path: root/autom4te.cache/traces.0

m4trace:/usr/share/aclocal/libtool.m4:62: -1- AC_DEFUN([LT_INIT], [AC_PREREQ([2.62])dnl We use AC_PATH_PROGS_FEATURE_CHECK
AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl
AC_BEFORE([$0], [LT_LANG])dnl
AC_BEFORE([$0], [LT_OUTPUT])dnl
AC_BEFORE([$0], [LTDL_INIT])dnl
m4_require([_LT_CHECK_BUILDDIR])dnl

dnl Autoconf doesn't catch unexpanded LT_ macros by default:
m4_pattern_forbid([^_?LT_[A-Z_]+$])dnl
m4_pattern_allow([^(_LT_EOF|LT_DLGLOBAL|LT_DLLAZY_OR_NOW|LT_MULTI_MODULE)$])dnl
dnl aclocal doesn't pull ltoptions.m4, ltsugar.m4, or ltversion.m4
dnl unless we require an AC_DEFUNed macro:
AC_REQUIRE([LTOPTIONS_VERSION])dnl
AC_REQUIRE([LTSUGAR_VERSION])dnl
AC_REQUIRE([LTVERSION_VERSION])dnl
AC_REQUIRE([LTOBSOLETE_VERSION])dnl
m4_require([_LT_PROG_LTMAIN])dnl

_LT_SHELL_INIT([SHELL=${CONFIG_SHELL-/bin/sh}])

dnl Parse OPTIONS
_LT_SET_OPTIONS([$0], [$1])

# This can be used to rebuild libtool when needed
LIBTOOL_DEPS=$ltmain

# Always use our own libtool.
LIBTOOL='$(SHELL) $(top_builddir)/libtool'
AC_SUBST(LIBTOOL)dnl

_LT_SETUP

# Only expand once:
m4_define([LT_INIT])
])
m4trace:/usr/share/aclocal/libtool.m4:100: -1- AU_DEFUN([AC_PROG_LIBTOOL], [m4_if($#, 0, [LT_INIT], [LT_INIT($@)])], [], [])
m4trace:/usr/share/aclocal/libtool.m4:100: -1- AC_DEFUN([AC_PROG_LIBTOOL], [m4_warn([obsolete], [The macro 'AC_PROG_LIBTOOL' is obsolete.
You should run autoupdate.])dnl
m4_if($#, 0, [LT_INIT], [LT_INIT($@)])])
m4trace:/usr/share/aclocal/libtool.m4:101: -1- AU_DEFUN([AM_PROG_LIBTOOL], [m4_if($#, 0, [LT_INIT], [LT_INIT($@)])], [], [])
m4trace:/usr/share/aclocal/libtool.m4:101: -1- AC_DEFUN([AM_PROG_LIBTOOL], [m4_warn([obsolete], [The macro 'AM_PROG_LIBTOOL' is obsolete.
You should run autoupdate.])dnl
m4_if($#, 0, [LT_INIT], [LT_INIT($@)])])
m4trace:/usr/share/aclocal/libtool.m4:621: -1- AC_DEFUN([LT_OUTPUT], [: ${CONFIG_LT=./config.lt}
AC_MSG_NOTICE([creating $CONFIG_LT])
_LT_GENERATED_FILE_INIT(["$CONFIG_LT"],
[# Run this file to recreate a libtool stub with the current configuration.])

cat >>"$CONFIG_LT" <<\_LTEOF
lt_cl_silent=false
exec AS_MESSAGE_LOG_FD>>config.log
{
  echo
  AS_BOX([Running $as_me.])
} >&AS_MESSAGE_LOG_FD

lt_cl_help="\
'$as_me' creates a local libtool stub from the current configuration,
for use in further configure time tests before the real libtool is
generated.

Usage: $[0] [[OPTIONS]]

  -h, --help      print this help, then exit
  -V, --version   print version number, then exit
  -q, --quiet     do not print progress messages
  -d, --debug     don't remove temporary files

Report bugs to <bug-libtool@gnu.org>."

lt_cl_version="\
m4_ifset([AC_PACKAGE_NAME], [AC_PACKAGE_NAME ])config.lt[]dnl
m4_ifset([AC_PACKAGE_VERSION], [ AC_PACKAGE_VERSION])
configured by $[0], generated by m4_PACKAGE_STRING.

Copyright (C) 2011 Free Software Foundation, Inc.
This config.lt script is free software; the Free Software Foundation
gives unlimited permision to copy, distribute and modify it."

while test 0 != $[#]
do
  case $[1] in
    --version | --v* | -V )
      echo "$lt_cl_version"; exit 0 ;;
    --help | --h* | -h )
      echo "$lt_cl_help"; exit 0 ;;
    --debug | --d* | -d )
      debug=: ;;
    --quiet | --q* | --silent | --s* | -q )
      lt_cl_silent=: ;;

    -*) AC_MSG_ERROR([unrecognized option: $[1]
Try '$[0] --help' for more information.]) ;;

    *) AC_MSG_ERROR([unrecognized argument: $[1]
Try '$[0] --help' for more information.]) ;;
  esac
  shift
done

if $lt_cl_silent; then
  exec AS_MESSAGE_FD>/dev/null
fi
_LTEOF

cat >>"$CONFIG_LT" <<_LTEOF
_LT_OUTPUT_LIBTOOL_COMMANDS_INIT
_LTEOF

cat >>"$CONFIG_LT" <<\_LTEOF
AC_MSG_NOTICE([creating $ofile])
_LT_OUTPUT_LIBTOOL_COMMANDS
AS_EXIT(0)
_LTEOF
chmod +x "$CONFIG_LT"

# configure is writing to config.log, but config.lt does its own redirection,
# appending to config.log, which fails on DOS, as config.log is still kept
# open by configure.  Here we exec the FD to /dev/null, effectively closing
# config.log, so it can be properly (re)opened and appended to by config.lt.
lt_cl_success=:
test yes = "$silent" &&
  lt_config_lt_args="$lt_config_lt_args --quiet"
exec AS_MESSAGE_LOG_FD>/dev/null
$SHELL "$CONFIG_LT" $lt_config_lt_args || lt_cl_success=false
exec AS_MESSAGE_LOG_FD>>config.log
$lt_cl_success || AS_EXIT(1)
])
m4trace:/usr/share/aclocal/libtool.m4:814: -1- AC_DEFUN([LT_SUPPORTED_TAG], [])
m4trace:/usr/share/aclocal/libtool.m4:825: -1- AC_DEFUN([LT_LANG], [AC_BEFORE([$0], [LT_OUTPUT])dnl
m4_case([$1],
  [C],			[_LT_LANG(C)],
  [C++],		[_LT_LANG(CXX)],
  [Go],			[_LT_LANG(GO)],
  [Java],		[_LT_LANG(GCJ)],
  [Fortran 77],		[_LT_LANG(F77)],
  [Fortran],		[_LT_LANG(FC)],
  [Windows Resource],	[_LT_LANG(RC)],
  [m4_ifdef([_LT_LANG_]$1[_CONFIG],
    [_LT_LANG($1)],
    [m4_fatal([$0: unsupported language: "$1"])])])dnl
])
m4trace:/usr/share/aclocal/libtool.m4:917: -1- AU_DEFUN([AC_LIBTOOL_CXX], [LT_LANG(C++)])
m4trace:/usr/share/aclocal/libtool.m4:917: -1- AC_DEFUN([AC_LIBTOOL_CXX], [m4_warn([obsolete], [The macro 'AC_LIBTOOL_CXX' is obsolete.
You should run autoupdate.])dnl
LT_LANG(C++)])
m4trace:/usr/share/aclocal/libtool.m4:918: -1- AU_DEFUN([AC_LIBTOOL_F77], [LT_LANG(Fortran 77)])
m4trace:/usr/share/aclocal/libtool.m4:918: -1- AC_DEFUN([AC_LIBTOOL_F77], [m4_warn([obsolete], [The macro 'AC_LIBTOOL_F77' is obsolete.
You should run autoupdate.])dnl
LT_LANG(Fortran 77)])
m4trace:/usr/share/aclocal/libtool.m4:919: -1- AU_DEFUN([AC_LIBTOOL_FC], [LT_LANG(Fortran)])
m4trace:/usr/share/aclocal/libtool.m4:919: -1- AC_DEFUN([AC_LIBTOOL_FC], [m4_warn([obsolete], [The macro 'AC_LIBTOOL_FC' is obsolete.
You should run autoupdate.])dnl
LT_LANG(Fortran)])
m4trace:/usr/share/aclocal/libtool.m4:920: -1- AU_DEFUN([AC_LIBTOOL_GCJ], [LT_LANG(Java)])
m4trace:/usr/share/aclocal/libtool.m4:920: -1- AC_DEFUN([AC_LIBTOOL_GCJ], [m4_warn([obsolete], [The macro 'AC_LIBTOOL_GCJ' is obsolete.
You should run autoupdate.])dnl
LT_LANG(Java)])
m4trace:/usr/share/aclocal/libtool.m4:921: -1- AU_DEFUN([AC_LIBTOOL_RC], [LT_LANG(Windows Resource)])
m4trace:/usr/share/aclocal/libtool.m4:921: -1- AC_DEFUN([AC_LIBTOOL_RC], [m4_warn([obsolete], [The macro 'AC_LIBTOOL_RC' is obsolete.
You should run autoupdate.])dnl
LT_LANG(Windows Resource)])
m4trace:/usr/share/aclocal/libtool.m4:1244: -1- AC_DEFUN([_LT_WITH_SYSROOT], [m4_require([_LT_DECL_SED])dnl
AC_MSG_CHECKING([for sysroot])
AC_ARG_WITH([sysroot],
[AS_HELP_STRING([--with-sysroot@<:@=DIR@:>@],
  [Search for dependent libraries within DIR (or the compiler's sysroot
   if not specified).])],
[], [with_sysroot=no])

dnl lt_sysroot will always be passed unquoted.  We quote it here
dnl in case the user passed a directory name.
lt_sysroot=
case $with_sysroot in #(
 yes)
   if test yes = "$GCC"; then
     lt_sysroot=`$CC --print-sysroot 2>/dev/null`
   fi
   ;; #(
 /*)
   lt_sysroot=`echo "$with_sysroot" | $SED -e "$sed_quote_subst"`
   ;; #(
 no|'')
   ;; #(
 *)
   AC_MSG_RESULT([$with_sysroot])
   AC_MSG_ERROR([The sysroot must be an absolute path.])
   ;;
esac

 AC_MSG_RESULT([${lt_sysroot:-no}])
_LT_DECL([], [lt_sysroot], [0], [The root where to search for ]dnl
[dependent libraries, and where our libraries should be installed.])])
m4trace:/usr/share/aclocal/libtool.m4:1589: -1- AC_DEFUN([_LT_COMPILER_OPTION], [m4_require([_LT_FILEUTILS_DEFAULTS])dnl
m4_require([_LT_DECL_SED])dnl
AC_CACHE_CHECK([$1], [$2],
  [$2=no
   m4_if([$4], , [ac_outfile=conftest.$ac_objext], [ac_outfile=$4])
   echo "$lt_simple_compile_test_code" > conftest.$ac_ext
   lt_compiler_flag="$3"  ## exclude from sc_useless_quotes_in_assignment
   # Insert the option either (1) after the last *FLAGS variable, or
   # (2) before a word containing "conftest.", or (3) at the end.
   # Note that $ac_compile itself does not contain backslashes and begins
   # with a dollar sign (not a hyphen), so the echo should work correctly.
   # The option is referenced via a variable to avoid confusing sed.
   lt_compile=`echo "$ac_compile" | $SED \
   -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
   -e 's: [[^ ]]*conftest\.: $lt_compiler_flag&:; t' \
   -e 's:$: $lt_compiler_flag:'`
   (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&AS_MESSAGE_LOG_FD)
   (eval "$lt_compile" 2>conftest.err)
   ac_status=$?
   cat conftest.err >&AS_MESSAGE_LOG_FD
   echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD
   if (exit $ac_status) && test -s "$ac_outfile"; then
     # The compiler can only warn and ignore the option if not recognized
     # So say no if there are warnings other than the usual output.
     $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' >conftest.exp
     $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
     if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then
       $2=yes
     fi
   fi
   $RM conftest*
])

if test yes = "[$]$2"; then
    m4_if([$5], , :, [$5])
else
    m4_if([$6], , :, [$6])
fi
])
m4trace:/usr/share/aclocal/libtool.m4:1631: -1- AU_DEFUN([AC_LIBTOOL_COMPILER_OPTION], [m4_if($#, 0, [_LT_COMPILER_OPTION], [_LT_COMPILER_OPTION($@)])], [], [])
m4trace:/usr/share/aclocal/libtool.m4:1631: -1- AC_DEFUN([AC_LIBTOOL_COMPILER_OPTION], [m4_warn([obsolete], [The macro 'AC_LIBTOOL_COMPILER_OPTION' is obsolete.
You should run autoupdate.])dnl
m4_if($#, 0, [_LT_COMPILER_OPTION], [_LT_COMPILER_OPTION($@)])])
m4trace:/usr/share/aclocal/libtool.m4:1640: -1- AC_DEFUN([_LT_LINKER_OPTION], [m4_require([_LT_FILEUTILS_DEFAULTS])dnl
m4_require([_LT_DECL_SED])dnl
AC_CACHE_CHECK([$1], [$2],
  [$2=no
   save_LDFLAGS=$LDFLAGS
   LDFLAGS="$LDFLAGS $3"
   echo "$lt_simple_link_test_code" > conftest.$ac_ext
   if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then
     # The linker can only warn and ignore the option if not recognized
     # So say no if there are warnings
     if test -s conftest.err; then
       # Append any errors to the config.log.
       cat conftest.err 1>&AS_MESSAGE_LOG_FD
       $ECHO "$_lt_linker_boilerplate" | $SED '/^$/d' > conftest.exp
       $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
       if diff conftest.exp conftest.er2 >/dev/null; then
         $2=yes
       fi
     else
       $2=yes
     fi
   fi
   $RM -r conftest*
   LDFLAGS=$save_LDFLAGS
])

if test yes = "[$]$2"; then
    m4_if([$4], , :, [$4])
else
    m4_if([$5], , :, [$5])
fi
])
m4trace:/usr/share/aclocal/libtool.m4:1675: -1- AU_DEFUN([AC_LIBTOOL_LINKER_OPTION], [m4_if($#, 0, [_LT_LINKER_OPTION], [_LT_LINKER_OPTION($@)])], [], [])
m4trace:/usr/share/aclocal/libtool.m4:1675: -1- AC_DEFUN([AC_LIBTOOL_LINKER_OPTION], [m4_warn([obsolete], [The macro 'AC_LIBTOOL_LINKER_OPTION' is obsolete.
You should run autoupdate.])dnl
m4_if($#, 0, [_LT_LINKER_OPTION], [_LT_LINKER_OPTION($@)])])
m4trace:/usr/share/aclocal/libtool.m4:1682: -1- AC_DEFUN([LT_CMD_MAX_LEN], [AC_REQUIRE([AC_CANONICAL_HOST])dnl
# find the maximum length of command line arguments
AC_MSG_CHECKING([the maximum length of command line arguments])
AC_CACHE_VAL([lt_cv_sys_max_cmd_len], [dnl
  i=0
  teststring=ABCD

  case $build_os in
  msdosdjgpp*)
    # On DJGPP, this test can blow up pretty badly due to problems in libc
    # (any single argument exceeding 2000 bytes causes a buffer overrun
    # during glob expansion).  Even if it were fixed, the result of this
    # check would be larger than it should be.
    lt_cv_sys_max_cmd_len=12288;    # 12K is about right
    ;;

  gnu*)
    # Under GNU Hurd, this test is not required because there is
    # no limit to the length of command line arguments.
    # Libtool will interpret -1 as no limit whatsoever
    lt_cv_sys_max_cmd_len=-1;
    ;;

  cygwin* | mingw* | cegcc*)
    # On Win9x/ME, this test blows up -- it succeeds, but takes
    # about 5 minutes as the teststring grows exponentially.
    # Worse, since 9x/ME are not pre-emptively multitasking,
    # you end up with a "frozen" computer, even though with patience
    # the test eventually succeeds (with a max line length of 256k).
    # Instead, let's just punt: use the minimum linelength reported by
    # all of the supported platforms: 8192 (on NT/2K/XP).
    lt_cv_sys_max_cmd_len=8192;
    ;;

  mint*)
    # On MiNT this can take a long time and run out of memory.
    lt_cv_sys_max_cmd_len=8192;
    ;;

  amigaos*)
    # On AmigaOS with pdksh, this test takes hours, literally.
    # So we just punt and use a minimum line length of 8192.
    lt_cv_sys_max_cmd_len=8192;
    ;;

  bitrig* | darwin* | dragonfly* | freebsd* | midnightbsd* | netbsd* | openbsd*)
    # This has been around since 386BSD, at least.  Likely further.
    if test -x /sbin/sysctl; then
      lt_cv_sys_max_cmd_len=`/sbin/sysctl -n kern.argmax`
    elif test -x /usr/sbin/sysctl; then
      lt_cv_sys_max_cmd_len=`/usr/sbin/sysctl -n kern.argmax`
    else
      lt_cv_sys_max_cmd_len=65536	# usable default for all BSDs
    fi
    # And add a safety zone
    lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4`
    lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3`
    ;;

  interix*)
    # We know the value 262144 and hardcode it with a safety zone (like BSD)
    lt_cv_sys_max_cmd_len=196608
    ;;

  os2*)
    # The test takes a long time on OS/2.
    lt_cv_sys_max_cmd_len=8192
    ;;

  osf*)
    # Dr. Hans Ekkehard Plesser reports seeing a kernel panic running configure
    # due to this test when exec_disable_arg_limit is 1 on Tru64. It is not
    # nice to cause kernel panics so lets avoid the loop below.
    # First set a reasonable default.
    lt_cv_sys_max_cmd_len=16384
    #
    if test -x /sbin/sysconfig; then
      case `/sbin/sysconfig -q proc exec_disable_arg_limit` in
        *1*) lt_cv_sys_max_cmd_len=-1 ;;
      esac
    fi
    ;;
  sco3.2v5*)
    lt_cv_sys_max_cmd_len=102400
    ;;
  sysv5* | sco5v6* | sysv4.2uw2*)
    kargmax=`grep ARG_MAX /etc/conf/cf.d/stune 2>/dev/null`
    if test -n "$kargmax"; then
      lt_cv_sys_max_cmd_len=`echo $kargmax | $SED 's/.*[[	 ]]//'`
    else
      lt_cv_sys_max_cmd_len=32768
    fi
    ;;
  *)
    lt_cv_sys_max_cmd_len=`(getconf ARG_MAX) 2> /dev/null`
    if test -n "$lt_cv_sys_max_cmd_len" && \
       test undefined != "$lt_cv_sys_max_cmd_len"; then
      lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4`
      lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3`
    else
      # Make teststring a little bigger before we do anything with it.
      # a 1K string should be a reasonable start.
      for i in 1 2 3 4 5 6 7 8; do
        teststring=$teststring$teststring
      done
      SHELL=${SHELL-${CONFIG_SHELL-/bin/sh}}
      # If test is not a shell built-in, we'll probably end up computing a
      # maximum length that is only half of the actual maximum length, but
      # we can't tell.
      while { test X`env echo "$teststring$teststring" 2>/dev/null` \
	         = "X$teststring$teststring"; } >/dev/null 2>&1 &&
	      test 17 != "$i" # 1/2 MB should be enough
      do
        i=`expr $i + 1`
        teststring=$teststring$teststring
      done
      # Only check the string length outside the loop.
      lt_cv_sys_max_cmd_len=`expr "X$teststring" : ".*" 2>&1`
      teststring=
      # Add a significant safety factor because C++ compilers can tack on
      # massive amounts of additional arguments before passing them to the
      # linker.  It appears as though 1/2 is a usable value.
      lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 2`
    fi
    ;;
  esac
])
if test -n "$lt_cv_sys_max_cmd_len"; then
  AC_MSG_RESULT($lt_cv_sys_max_cmd_len)
else
  AC_MSG_RESULT(none)
fi
max_cmd_len=$lt_cv_sys_max_cmd_len
_LT_DECL([], [max_cmd_len], [0],
    [What is the maximum length of a command?])
])
m4trace:/usr/share/aclocal/libtool.m4:1821: -1- AU_DEFUN([AC_LIBTOOL_SYS_MAX_CMD_LEN], [m4_if($#, 0, [LT_CMD_MAX_LEN], [LT_CMD_MAX_LEN($@)])], [], [])
m4trace:/usr/share/aclocal/libtool.m4:1821: -1- AC_DEFUN([AC_LIBTOOL_SYS_MAX_CMD_LEN], [m4_warn([obsolete], [The macro 'AC_LIBTOOL_SYS_MAX_CMD_LEN' is obsolete.
You should run autoupdate.])dnl
m4_if($#, 0, [LT_CMD_MAX_LEN], [LT_CMD_MAX_LEN($@)])])
m4trace:/usr/share/aclocal/libtool.m4:1932: -1- AC_DEFUN([LT_SYS_DLOPEN_SELF], [m4_require([_LT_HEADER_DLFCN])dnl
if test yes != "$enable_dlopen"; then
  enable_dlopen=unknown
  enable_dlopen_self=unknown
  enable_dlopen_self_static=unknown
else
  lt_cv_dlopen=no
  lt_cv_dlopen_libs=

  case $host_os in
  beos*)
    lt_cv_dlopen=load_add_on
    lt_cv_dlopen_libs=
    lt_cv_dlopen_self=yes
    ;;

  mingw* | pw32* | cegcc*)
    lt_cv_dlopen=LoadLibrary
    lt_cv_dlopen_libs=
    ;;

  cygwin*)
    lt_cv_dlopen=dlopen
    lt_cv_dlopen_libs=
    ;;

  darwin*)
    # if libdl is installed we need to link against it
    AC_CHECK_LIB([dl], [dlopen],
		[lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-ldl],[
    lt_cv_dlopen=dyld
    lt_cv_dlopen_libs=
    lt_cv_dlopen_self=yes
    ])
    ;;

  tpf*)
    # Don't try to run any link tests for TPF.  We know it's impossible
    # because TPF is a cross-compiler, and we know how we open DSOs.
    lt_cv_dlopen=dlopen
    lt_cv_dlopen_libs=
    lt_cv_dlopen_self=no
    ;;

  *)
    AC_CHECK_FUNC([shl_load],
	  [lt_cv_dlopen=shl_load],
      [AC_CHECK_LIB([dld], [shl_load],
	    [lt_cv_dlopen=shl_load lt_cv_dlopen_libs=-ldld],
	[AC_CHECK_FUNC([dlopen],
	      [lt_cv_dlopen=dlopen],
	  [AC_CHECK_LIB([dl], [dlopen],
		[lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-ldl],
	    [AC_CHECK_LIB([svld], [dlopen],
		  [lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-lsvld],
	      [AC_CHECK_LIB([dld], [dld_link],
		    [lt_cv_dlopen=dld_link lt_cv_dlopen_libs=-ldld])
	      ])
	    ])
	  ])
	])
      ])
    ;;
  esac

  if test no = "$lt_cv_dlopen"; then
    enable_dlopen=no
  else
    enable_dlopen=yes
  fi

  case $lt_cv_dlopen in
  dlopen)
    save_CPPFLAGS=$CPPFLAGS
    test yes = "$ac_cv_header_dlfcn_h" && CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H"

    save_LDFLAGS=$LDFLAGS
    wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\"

    save_LIBS=$LIBS
    LIBS="$lt_cv_dlopen_libs $LIBS"

    AC_CACHE_CHECK([whether a program can dlopen itself],
	  lt_cv_dlopen_self, [dnl
	  _LT_TRY_DLOPEN_SELF(
	    lt_cv_dlopen_self=yes, lt_cv_dlopen_self=yes,
	    lt_cv_dlopen_self=no, lt_cv_dlopen_self=cross)
    ])

    if test yes = "$lt_cv_dlopen_self"; then
      wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $lt_prog_compiler_static\"
      AC_CACHE_CHECK([whether a statically linked program can dlopen itself],
	  lt_cv_dlopen_self_static, [dnl
	  _LT_TRY_DLOPEN_SELF(
	    lt_cv_dlopen_self_static=yes, lt_cv_dlopen_self_static=yes,
	    lt_cv_dlopen_self_static=no,  lt_cv_dlopen_self_static=cross)
      ])
    fi

    CPPFLAGS=$save_CPPFLAGS
    LDFLAGS=$save_LDFLAGS
    LIBS=$save_LIBS
    ;;
  esac

  case $lt_cv_dlopen_self in
  yes|no) enable_dlopen_self=$lt_cv_dlopen_self ;;
  *) enable_dlopen_self=unknown ;;
  esac

  case $lt_cv_dlopen_self_static in
  yes|no) enable_dlopen_self_static=$lt_cv_dlopen_self_static ;;
  *) enable_dlopen_self_static=unknown ;;
  esac
fi
_LT_DECL([dlopen_support], [enable_dlopen], [0],
	 [Whether dlopen is supported])
_LT_DECL([dlopen_self], [enable_dlopen_self], [0],
	 [Whether dlopen of programs is supported])
_LT_DECL([dlopen_self_static], [enable_dlopen_self_static], [0],
	 [Whether dlopen of statically linked programs is supported])
])
m4trace:/usr/share/aclocal/libtool.m4:2057: -1- AU_DEFUN([AC_LIBTOOL_DLOPEN_SELF], [m4_if($#, 0, [LT_SYS_DLOPEN_SELF], [LT_SYS_DLOPEN_SELF($@)])], [], [])
m4trace:/usr/share/aclocal/libtool.m4:2057: -1- AC_DEFUN([AC_LIBTOOL_DLOPEN_SELF], [m4_warn([obsolete], [The macro 'AC_LIBTOOL_DLOPEN_SELF' is obsolete.
You should run autoupdate.])dnl
m4_if($#, 0, [LT_SYS_DLOPEN_SELF], [LT_SYS_DLOPEN_SELF($@)])])
m4trace:/usr/share/aclocal/libtool.m4:3188: -1- AC_DEFUN([_LT_PATH_TOOL_PREFIX], [m4_require([_LT_DECL_EGREP])dnl
AC_MSG_CHECKING([for $1])
AC_CACHE_VAL(lt_cv_path_MAGIC_CMD,
[case $MAGIC_CMD in
[[\\/*] |  ?:[\\/]*])
  lt_cv_path_MAGIC_CMD=$MAGIC_CMD # Let the user override the test with a path.
  ;;
*)
  lt_save_MAGIC_CMD=$MAGIC_CMD
  lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR
dnl $ac_dummy forces splitting on constant user-supplied paths.
dnl POSIX.2 word splitting is done only on the output of word expansions,
dnl not every word.  This closes a longstanding sh security hole.
  ac_dummy="m4_if([$2], , $PATH, [$2])"
  for ac_dir in $ac_dummy; do
    IFS=$lt_save_ifs
    test -z "$ac_dir" && ac_dir=.
    if test -f "$ac_dir/$1"; then
      lt_cv_path_MAGIC_CMD=$ac_dir/"$1"
      if test -n "$file_magic_test_file"; then
	case $deplibs_check_method in
	"file_magic "*)
	  file_magic_regex=`expr "$deplibs_check_method" : "file_magic \(.*\)"`
	  MAGIC_CMD=$lt_cv_path_MAGIC_CMD
	  if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null |
	    $EGREP "$file_magic_regex" > /dev/null; then
	    :
	  else
	    cat <<_LT_EOF 1>&2

*** Warning: the command libtool uses to detect shared libraries,
*** $file_magic_cmd, produces output that libtool cannot recognize.
*** The result is that libtool may fail to recognize shared libraries
*** as such.  This will affect the creation of libtool libraries that
*** depend on shared libraries, but programs linked with such libtool
*** libraries will work regardless of this problem.  Nevertheless, you
*** may want to report the problem to your system manager and/or to
*** bug-libtool@gnu.org

_LT_EOF
	  fi ;;
	esac
      fi
      break
    fi
  done
  IFS=$lt_save_ifs
  MAGIC_CMD=$lt_save_MAGIC_CMD
  ;;
esac])
MAGIC_CMD=$lt_cv_path_MAGIC_CMD
if test -n "$MAGIC_CMD"; then
  AC_MSG_RESULT($MAGIC_CMD)
else
  AC_MSG_RESULT(no)
fi
_LT_DECL([], [MAGIC_CMD], [0],
	 [Used to examine libraries when file_magic_cmd begins with "file"])dnl
])
m4trace:/usr/share/aclocal/libtool.m4:3250: -1- AU_DEFUN([AC_PATH_TOOL_PREFIX], [m4_if($#, 0, [_LT_PATH_TOOL_PREFIX], [_LT_PATH_TOOL_PREFIX($@)])], [], [])
m4trace:/usr/share/aclocal/libtool.m4:3250: -1- AC_DEFUN([AC_PATH_TOOL_PREFIX], [m4_warn([obsolete], [The macro 'AC_PATH_TOOL_PREFIX' is obsolete.
You should run autoupdate.])dnl
m4_if($#, 0, [_LT_PATH_TOOL_PREFIX], [_LT_PATH_TOOL_PREFIX($@)])])
m4trace:/usr/share/aclocal/libtool.m4:3273: -1- AC_DEFUN([LT_PATH_LD], [AC_REQUIRE([AC_PROG_CC])dnl
AC_REQUIRE([AC_CANONICAL_HOST])dnl
AC_REQUIRE([AC_CANONICAL_BUILD])dnl
m4_require([_LT_DECL_SED])dnl
m4_require([_LT_DECL_EGREP])dnl
m4_require([_LT_PROG_ECHO_BACKSLASH])dnl

AC_ARG_WITH([gnu-ld],
    [AS_HELP_STRING([--with-gnu-ld],
	[assume the C compiler uses GNU ld @<:@default=no@:>@])],
    [test no = "$withval" || with_gnu_ld=yes],
    [with_gnu_ld=no])dnl

ac_prog=ld
if test yes = "$GCC"; then
  # Check if gcc -print-prog-name=ld gives a path.
  AC_MSG_CHECKING([for ld used by $CC])
  case $host in
  *-*-mingw*)
    # gcc leaves a trailing carriage return, which upsets mingw
    ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;;
  *)
    ac_prog=`($CC -print-prog-name=ld) 2>&5` ;;
  esac
  case $ac_prog in
    # Accept absolute paths.
    [[\\/]]* | ?:[[\\/]]*)
      re_direlt='/[[^/]][[^/]]*/\.\./'
      # Canonicalize the pathname of ld
      ac_prog=`$ECHO "$ac_prog"| $SED 's%\\\\%/%g'`
      while $ECHO "$ac_prog" | $GREP "$re_direlt" > /dev/null 2>&1; do
	ac_prog=`$ECHO $ac_prog| $SED "s%$re_direlt%/%"`
      done
      test -z "$LD" && LD=$ac_prog
      ;;
  "")
    # If it fails, then pretend we aren't using GCC.
    ac_prog=ld
    ;;
  *)
    # If it is relative, then search for the first ld in PATH.
    with_gnu_ld=unknown
    ;;
  esac
elif test yes = "$with_gnu_ld"; then
  AC_MSG_CHECKING([for GNU ld])
else
  AC_MSG_CHECKING([for non-GNU ld])
fi
AC_CACHE_VAL(lt_cv_path_LD,
[if test -z "$LD"; then
  lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR
  for ac_dir in $PATH; do
    IFS=$lt_save_ifs
    test -z "$ac_dir" && ac_dir=.
    if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
      lt_cv_path_LD=$ac_dir/$ac_prog
      # Check to see if the program is GNU ld.  I'd rather use --version,
      # but apparently some variants of GNU ld only accept -v.
      # Break only if it was the GNU/non-GNU ld that we prefer.
      case `"$lt_cv_path_LD" -v 2>&1 </dev/null` in
      *GNU* | *'with BFD'*)
	test no != "$with_gnu_ld" && break
	;;
      *)
	test yes != "$with_gnu_ld" && break
	;;
      esac
    fi
  done
  IFS=$lt_save_ifs
else
  lt_cv_path_LD=$LD # Let the user override the test with a path.
fi])
LD=$lt_cv_path_LD
if test -n "$LD"; then
  AC_MSG_RESULT($LD)
else
  AC_MSG_RESULT(no)
fi
test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH])
_LT_PATH_LD_GNU
AC_SUBST([LD])

_LT_TAGDECL([], [LD], [1], [The linker used to build libraries])
])
m4trace:/usr/share/aclocal/libtool.m4:3362: -1- AU_DEFUN([AM_PROG_LD], [m4_if($#, 0, [LT_PATH_LD], [LT_PATH_LD($@)])], [], [])
m4trace:/usr/share/aclocal/libtool.m4:3362: -1- AC_DEFUN([AM_PROG_LD], [m4_warn([obsolete], [The macro 'AM_PROG_LD' is obsolete.
You should run autoupdate.])dnl
m4_if($#, 0, [LT_PATH_LD], [LT_PATH_LD($@)])])
m4trace:/usr/share/aclocal/libtool.m4:3363: -1- AU_DEFUN([AC_PROG_LD], [m4_if($#, 0, [LT_PATH_LD], [LT_PATH_LD($@)])], [], [])
m4trace:/usr/share/aclocal/libtool.m4:3363: -1- AC_DEFUN([AC_PROG_LD], [m4_warn([obsolete], [The macro 'AC_PROG_LD' is obsolete.
You should run autoupdate.])dnl
m4_if($#, 0, [LT_PATH_LD], [LT_PATH_LD($@)])])
m4trace:/usr/share/aclocal/libtool.m4:3692: -1- AC_DEFUN([LT_PATH_NM], [AC_REQUIRE([AC_PROG_CC])dnl
AC_CACHE_CHECK([for BSD- or MS-compatible name lister (nm)], lt_cv_path_NM,
[if test -n "$NM"; then
  # Let the user override the test.
  lt_cv_path_NM=$NM
else
  lt_nm_to_check=${ac_tool_prefix}nm
  if test -n "$ac_tool_prefix" && test "$build" = "$host"; then
    lt_nm_to_check="$lt_nm_to_check nm"
  fi
  for lt_tmp_nm in $lt_nm_to_check; do
    lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR
    for ac_dir in $PATH /usr/ccs/bin/elf /usr/ccs/bin /usr/ucb /bin; do
      IFS=$lt_save_ifs
      test -z "$ac_dir" && ac_dir=.
      tmp_nm=$ac_dir/$lt_tmp_nm
      if test -f "$tmp_nm" || test -f "$tmp_nm$ac_exeext"; then
	# Check to see if the nm accepts a BSD-compat flag.
	# Adding the 'sed 1q' prevents false positives on HP-UX, which says:
	#   nm: unknown option "B" ignored
	# Tru64's nm complains that /dev/null is an invalid object file
	# MSYS converts /dev/null to NUL, MinGW nm treats NUL as empty
	case $build_os in
	mingw*) lt_bad_file=conftest.nm/nofile ;;
	*) lt_bad_file=/dev/null ;;
	esac
	case `"$tmp_nm" -B $lt_bad_file 2>&1 | $SED '1q'` in
	*$lt_bad_file* | *'Invalid file or object type'*)
	  lt_cv_path_NM="$tmp_nm -B"
	  break 2
	  ;;
	*)
	  case `"$tmp_nm" -p /dev/null 2>&1 | $SED '1q'` in
	  */dev/null*)
	    lt_cv_path_NM="$tmp_nm -p"
	    break 2
	    ;;
	  *)
	    lt_cv_path_NM=${lt_cv_path_NM="$tmp_nm"} # keep the first match, but
	    continue # so that we can try to find one that supports BSD flags
	    ;;
	  esac
	  ;;
	esac
      fi
    done
    IFS=$lt_save_ifs
  done
  : ${lt_cv_path_NM=no}
fi])
if test no != "$lt_cv_path_NM"; then
  NM=$lt_cv_path_NM
else
  # Didn't find any BSD compatible name lister, look for dumpbin.
  if test -n "$DUMPBIN"; then :
    # Let the user override the test.
  else
    AC_CHECK_TOOLS(DUMPBIN, [dumpbin "link -dump"], :)
    case `$DUMPBIN -symbols -headers /dev/null 2>&1 | $SED '1q'` in
    *COFF*)
      DUMPBIN="$DUMPBIN -symbols -headers"
      ;;
    *)
      DUMPBIN=:
      ;;
    esac
  fi
  AC_SUBST([DUMPBIN])
  if test : != "$DUMPBIN"; then
    NM=$DUMPBIN
  fi
fi
test -z "$NM" && NM=nm
AC_SUBST([NM])
_LT_DECL([], [NM], [1], [A BSD- or MS-compatible name lister])dnl

AC_CACHE_CHECK([the name lister ($NM) interface], [lt_cv_nm_interface],
  [lt_cv_nm_interface="BSD nm"
  echo "int some_variable = 0;" > conftest.$ac_ext
  (eval echo "\"\$as_me:$LINENO: $ac_compile\"" >&AS_MESSAGE_LOG_FD)
  (eval "$ac_compile" 2>conftest.err)
  cat conftest.err >&AS_MESSAGE_LOG_FD
  (eval echo "\"\$as_me:$LINENO: $NM \\\"conftest.$ac_objext\\\"\"" >&AS_MESSAGE_LOG_FD)
  (eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out)
  cat conftest.err >&AS_MESSAGE_LOG_FD
  (eval echo "\"\$as_me:$LINENO: output\"" >&AS_MESSAGE_LOG_FD)
  cat conftest.out >&AS_MESSAGE_LOG_FD
  if $GREP 'External.*some_variable' conftest.out > /dev/null; then
    lt_cv_nm_interface="MS dumpbin"
  fi
  rm -f conftest*])
])
m4trace:/usr/share/aclocal/libtool.m4:3787: -1- AU_DEFUN([AM_PROG_NM], [m4_if($#, 0, [LT_PATH_NM], [LT_PATH_NM($@)])], [], [])
m4trace:/usr/share/aclocal/libtool.m4:3787: -1- AC_DEFUN([AM_PROG_NM], [m4_warn([obsolete], [The macro 'AM_PROG_NM' is obsolete.
You should run autoupdate.])dnl
m4_if($#, 0, [LT_PATH_NM], [LT_PATH_NM($@)])])
m4trace:/usr/share/aclocal/libtool.m4:3788: -1- AU_DEFUN([AC_PROG_NM], [m4_if($#, 0, [LT_PATH_NM], [LT_PATH_NM($@)])], [], [])
m4trace:/usr/share/aclocal/libtool.m4:3788: -1- AC_DEFUN([AC_PROG_NM], [m4_warn([obsolete], [The macro 'AC_PROG_NM' is obsolete.
You should run autoupdate.])dnl
m4_if($#, 0, [LT_PATH_NM], [LT_PATH_NM($@)])])
m4trace:/usr/share/aclocal/libtool.m4:3859: -1- AC_DEFUN([_LT_DLL_DEF_P], [dnl
  test DEF = "`$SED -n dnl
    -e '\''s/^[[	 ]]*//'\'' dnl Strip leading whitespace
    -e '\''/^\(;.*\)*$/d'\'' dnl      Delete empty lines and comments
    -e '\''s/^\(EXPORTS\|LIBRARY\)\([[	 ]].*\)*$/DEF/p'\'' dnl
    -e q dnl                          Only consider the first "real" line
    $1`" dnl
])
m4trace:/usr/share/aclocal/libtool.m4:3873: -1- AC_DEFUN([LT_LIB_M], [AC_REQUIRE([AC_CANONICAL_HOST])dnl
LIBM=
case $host in
*-*-beos* | *-*-cegcc* | *-*-cygwin* | *-*-haiku* | *-*-pw32* | *-*-darwin*)
  # These system don't have libm, or don't need it
  ;;
*-ncr-sysv4.3*)
  AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM=-lmw)
  AC_CHECK_LIB(m, cos, LIBM="$LIBM -lm")
  ;;
*)
  AC_CHECK_LIB(m, cos, LIBM=-lm)
  ;;
esac
AC_SUBST([LIBM])
])
m4trace:/usr/share/aclocal/libtool.m4:3892: -1- AU_DEFUN([AC_CHECK_LIBM], [m4_if($#, 0, [LT_LIB_M], [LT_LIB_M($@)])], [], [])
m4trace:/usr/share/aclocal/libtool.m4:3892: -1- AC_DEFUN([AC_CHECK_LIBM], [m4_warn([obsolete], [The macro 'AC_CHECK_LIBM' is obsolete.
You should run autoupdate.])dnl
m4_if($#, 0, [LT_LIB_M], [LT_LIB_M($@)])])
m4trace:/usr/share/aclocal/libtool.m4:8158: -1- AC_DEFUN([LT_PROG_GCJ], [m4_ifdef([AC_PROG_GCJ], [AC_PROG_GCJ],
  [m4_ifdef([A][M_PROG_GCJ], [A][M_PROG_GCJ],
    [AC_CHECK_TOOL(GCJ, gcj,)
      test set = "${GCJFLAGS+set}" || GCJFLAGS="-g -O2"
      AC_SUBST(GCJFLAGS)])])[]dnl
])
m4trace:/usr/share/aclocal/libtool.m4:8167: -1- AU_DEFUN([LT_AC_PROG_GCJ], [m4_if($#, 0, [LT_PROG_GCJ], [LT_PROG_GCJ($@)])], [], [])
m4trace:/usr/share/aclocal/libtool.m4:8167: -1- AC_DEFUN([LT_AC_PROG_GCJ], [m4_warn([obsolete], [The macro 'LT_AC_PROG_GCJ' is obsolete.
You should run autoupdate.])dnl
m4_if($#, 0, [LT_PROG_GCJ], [LT_PROG_GCJ($@)])])
m4trace:/usr/share/aclocal/libtool.m4:8174: -1- AC_DEFUN([LT_PROG_GO], [AC_CHECK_TOOL(GOC, gccgo,)
])
m4trace:/usr/share/aclocal/libtool.m4:8181: -1- AC_DEFUN([LT_PROG_RC], [AC_CHECK_TOOL(RC, windres,)
])
m4trace:/usr/share/aclocal/libtool.m4:8186: -1- AU_DEFUN([LT_AC_PROG_RC], [m4_if($#, 0, [LT_PROG_RC], [LT_PROG_RC($@)])], [], [])
m4trace:/usr/share/aclocal/libtool.m4:8186: -1- AC_DEFUN([LT_AC_PROG_RC], [m4_warn([obsolete], [The macro 'LT_AC_PROG_RC' is obsolete.
You should run autoupdate.])dnl
m4_if($#, 0, [LT_PROG_RC], [LT_PROG_RC($@)])])
m4trace:/usr/share/aclocal/libtool.m4:8314: -1- AU_DEFUN([LT_AC_PROG_SED], [m4_if($#, 0, [AC_PROG_SED], [AC_PROG_SED($@)])], [], [])
m4trace:/usr/share/aclocal/libtool.m4:8314: -1- AC_DEFUN([LT_AC_PROG_SED], [m4_warn([obsolete], [The macro 'LT_AC_PROG_SED' is obsolete.
You should run autoupdate.])dnl
m4_if($#, 0, [AC_PROG_SED], [AC_PROG_SED($@)])])
m4trace:/usr/share/aclocal/ltargz.m4:13: -1- AC_DEFUN([LT_FUNC_ARGZ], [
dnl Required for use of '$SED' in Cygwin configuration.
AC_REQUIRE([AC_PROG_SED])dnl
AC_CHECK_HEADERS([argz.h], [], [], [AC_INCLUDES_DEFAULT])

AC_CHECK_TYPES([error_t],
  [],
  [AC_DEFINE([error_t], [int],
   [Define to a type to use for 'error_t' if it is not otherwise available.])
   AC_DEFINE([__error_t_defined], [1], [Define so that glibc/gnulib argp.h
    does not typedef error_t.])],
  [#if defined(HAVE_ARGZ_H)
#  include <argz.h>
#endif])

LT_ARGZ_H=
AC_CHECK_FUNCS([argz_add argz_append argz_count argz_create_sep argz_insert \
	argz_next argz_stringify], [], [LT_ARGZ_H=lt__argz.h; AC_LIBOBJ([lt__argz])])

dnl if have system argz functions, allow forced use of
dnl libltdl-supplied implementation (and default to do so
dnl on "known bad" systems). Could use a runtime check, but
dnl (a) detecting malloc issues is notoriously unreliable
dnl (b) only known system that declares argz functions,
dnl     provides them, yet they are broken, is cygwin
dnl     releases prior to 16-Mar-2007 (1.5.24 and earlier)
dnl So, it's more straightforward simply to special case
dnl this for known bad systems.
AS_IF([test -z "$LT_ARGZ_H"],
    [AC_CACHE_CHECK(
        [if argz actually works],
        [lt_cv_sys_argz_works],
        [[case $host_os in #(
	 *cygwin*)
	   lt_cv_sys_argz_works=no
	   if test no != "$cross_compiling"; then
	     lt_cv_sys_argz_works="guessing no"
	   else
	     lt_sed_extract_leading_digits='s/^\([0-9\.]*\).*/\1/'
	     save_IFS=$IFS
	     IFS=-.
	     set x `uname -r | $SED -e "$lt_sed_extract_leading_digits"`
	     IFS=$save_IFS
	     lt_os_major=${2-0}
	     lt_os_minor=${3-0}
	     lt_os_micro=${4-0}
	     if test 1 -lt "$lt_os_major" \
		|| { test 1 -eq "$lt_os_major" \
		  && { test 5 -lt "$lt_os_minor" \
		    || { test 5 -eq "$lt_os_minor" \
		      && test 24 -lt "$lt_os_micro"; }; }; }; then
	       lt_cv_sys_argz_works=yes
	     fi
	   fi
	   ;; #(
	 *) lt_cv_sys_argz_works=yes ;;
	 esac]])
     AS_IF([test yes = "$lt_cv_sys_argz_works"],
        [AC_DEFINE([HAVE_WORKING_ARGZ], 1,
                   [This value is set to 1 to indicate that the system argz facility works])],
        [LT_ARGZ_H=lt__argz.h
        AC_LIBOBJ([lt__argz])])])

AC_SUBST([LT_ARGZ_H])
])
m4trace:/usr/share/aclocal/ltdl.m4:17: -1- AC_DEFUN([LT_CONFIG_LTDL_DIR], [AC_BEFORE([$0], [LTDL_INIT])
_$0($*)
])
m4trace:/usr/share/aclocal/ltdl.m4:69: -1- AC_DEFUN([LTDL_CONVENIENCE], [AC_BEFORE([$0], [LTDL_INIT])dnl
dnl Although the argument is deprecated and no longer documented,
dnl LTDL_CONVENIENCE used to take a DIRECTORY orgument, if we have one
dnl here make sure it is the same as any other declaration of libltdl's
dnl location!  This also ensures lt_ltdl_dir is set when configure.ac is
dnl not yet using an explicit LT_CONFIG_LTDL_DIR.
m4_ifval([$1], [_LT_CONFIG_LTDL_DIR([$1])])dnl
_$0()
])
m4trace:/usr/share/aclocal/ltdl.m4:82: -1- AU_DEFUN([AC_LIBLTDL_CONVENIENCE], [_LT_CONFIG_LTDL_DIR([m4_default([$1], [libltdl])])
_LTDL_CONVENIENCE])
m4trace:/usr/share/aclocal/ltdl.m4:82: -1- AC_DEFUN([AC_LIBLTDL_CONVENIENCE], [m4_warn([obsolete], [The macro 'AC_LIBLTDL_CONVENIENCE' is obsolete.
You should run autoupdate.])dnl
_LT_CONFIG_LTDL_DIR([m4_default([$1], [libltdl])])
_LTDL_CONVENIENCE])
m4trace:/usr/share/aclocal/ltdl.m4:125: -1- AC_DEFUN([LTDL_INSTALLABLE], [AC_BEFORE([$0], [LTDL_INIT])dnl
dnl Although the argument is deprecated and no longer documented,
dnl LTDL_INSTALLABLE used to take a DIRECTORY orgument, if we have one
dnl here make sure it is the same as any other declaration of libltdl's
dnl location!  This also ensures lt_ltdl_dir is set when configure.ac is
dnl not yet using an explicit LT_CONFIG_LTDL_DIR.
m4_ifval([$1], [_LT_CONFIG_LTDL_DIR([$1])])dnl
_$0()
])
m4trace:/usr/share/aclocal/ltdl.m4:138: -1- AU_DEFUN([AC_LIBLTDL_INSTALLABLE], [_LT_CONFIG_LTDL_DIR([m4_default([$1], [libltdl])])
_LTDL_INSTALLABLE])
m4trace:/usr/share/aclocal/ltdl.m4:138: -1- AC_DEFUN([AC_LIBLTDL_INSTALLABLE], [m4_warn([obsolete], [The macro 'AC_LIBLTDL_INSTALLABLE' is obsolete.
You should run autoupdate.])dnl
_LT_CONFIG_LTDL_DIR([m4_default([$1], [libltdl])])
_LTDL_INSTALLABLE])
m4trace:/usr/share/aclocal/ltdl.m4:214: -1- AC_DEFUN([_LT_LIBOBJ], [
  m4_pattern_allow([^_LT_LIBOBJS$])
  _LT_LIBOBJS="$_LT_LIBOBJS $1.$ac_objext"
])
m4trace:/usr/share/aclocal/ltdl.m4:227: -1- AC_DEFUN([LTDL_INIT], [dnl Parse OPTIONS
_LT_SET_OPTIONS([$0], [$1])

dnl We need to keep our own list of libobjs separate from our parent project,
dnl and the easiest way to do that is redefine the AC_LIBOBJs macro while
dnl we look for our own LIBOBJs.
m4_pushdef([AC_LIBOBJ], m4_defn([_LT_LIBOBJ]))
m4_pushdef([AC_LIBSOURCES])

dnl If not otherwise defined, default to the 1.5.x compatible subproject mode:
m4_if(_LTDL_MODE, [],
        [m4_define([_LTDL_MODE], m4_default([$2], [subproject]))
        m4_if([-1], [m4_bregexp(_LTDL_MODE, [\(subproject\|\(non\)?recursive\)])],
                [m4_fatal([unknown libltdl mode: ]_LTDL_MODE)])])

AC_ARG_WITH([included_ltdl],
    [AS_HELP_STRING([--with-included-ltdl],
                    [use the GNU ltdl sources included here])])

if test yes != "$with_included_ltdl"; then
  # We are not being forced to use the included libltdl sources, so
  # decide whether there is a useful installed version we can use.
  AC_CHECK_HEADER([ltdl.h],
      [AC_CHECK_DECL([lt_dlinterface_register],
	   [AC_CHECK_LIB([ltdl], [lt_dladvise_preload],
	       [with_included_ltdl=no],
	       [with_included_ltdl=yes])],
	   [with_included_ltdl=yes],
	   [AC_INCLUDES_DEFAULT
	    #include <ltdl.h>])],
      [with_included_ltdl=yes],
      [AC_INCLUDES_DEFAULT]
  )
fi

dnl If neither LT_CONFIG_LTDL_DIR, LTDL_CONVENIENCE nor LTDL_INSTALLABLE
dnl was called yet, then for old times' sake, we assume libltdl is in an
dnl eponymous directory:
AC_PROVIDE_IFELSE([LT_CONFIG_LTDL_DIR], [], [_LT_CONFIG_LTDL_DIR([libltdl])])

AC_ARG_WITH([ltdl_include],
    [AS_HELP_STRING([--with-ltdl-include=DIR],
                    [use the ltdl headers installed in DIR])])

if test -n "$with_ltdl_include"; then
  if test -f "$with_ltdl_include/ltdl.h"; then :
  else
    AC_MSG_ERROR([invalid ltdl include directory: '$with_ltdl_include'])
  fi
else
  with_ltdl_include=no
fi

AC_ARG_WITH([ltdl_lib],
    [AS_HELP_STRING([--with-ltdl-lib=DIR],
                    [use the libltdl.la installed in DIR])])

if test -n "$with_ltdl_lib"; then
  if test -f "$with_ltdl_lib/libltdl.la"; then :
  else
    AC_MSG_ERROR([invalid ltdl library directory: '$with_ltdl_lib'])
  fi
else
  with_ltdl_lib=no
fi

case ,$with_included_ltdl,$with_ltdl_include,$with_ltdl_lib, in
  ,yes,no,no,)
	m4_case(m4_default(_LTDL_TYPE, [convenience]),
	    [convenience], [_LTDL_CONVENIENCE],
	    [installable], [_LTDL_INSTALLABLE],
	  [m4_fatal([unknown libltdl build type: ]_LTDL_TYPE)])
	;;
  ,no,no,no,)
	# If the included ltdl is not to be used, then use the
	# preinstalled libltdl we found.
	AC_DEFINE([HAVE_LTDL], [1],
	  [Define this if a modern libltdl is already installed])
	LIBLTDL=-lltdl
	LTDLDEPS=
	LTDLINCL=
	;;
  ,no*,no,*)
	AC_MSG_ERROR(['--with-ltdl-include' and '--with-ltdl-lib' options must be used together])
	;;
  *)	with_included_ltdl=no
	LIBLTDL="-L$with_ltdl_lib -lltdl"
	LTDLDEPS=
	LTDLINCL=-I$with_ltdl_include
	;;
esac
INCLTDL=$LTDLINCL

# Report our decision...
AC_MSG_CHECKING([where to find libltdl headers])
AC_MSG_RESULT([$LTDLINCL])
AC_MSG_CHECKING([where to find libltdl library])
AC_MSG_RESULT([$LIBLTDL])

_LTDL_SETUP

dnl restore autoconf definition.
m4_popdef([AC_LIBOBJ])
m4_popdef([AC_LIBSOURCES])

AC_CONFIG_COMMANDS_PRE([
    _ltdl_libobjs=
    _ltdl_ltlibobjs=
    if test -n "$_LT_LIBOBJS"; then
      # Remove the extension.
      _lt_sed_drop_objext='s/\.o$//;s/\.obj$//'
      for i in `for i in $_LT_LIBOBJS; do echo "$i"; done | $SED "$_lt_sed_drop_objext" | sort -u`; do
        _ltdl_libobjs="$_ltdl_libobjs $lt_libobj_prefix$i.$ac_objext"
        _ltdl_ltlibobjs="$_ltdl_ltlibobjs $lt_libobj_prefix$i.lo"
      done
    fi
    AC_SUBST([ltdl_LIBOBJS], [$_ltdl_libobjs])
    AC_SUBST([ltdl_LTLIBOBJS], [$_ltdl_ltlibobjs])
])

# Only expand once:
m4_define([LTDL_INIT])
])
m4trace:/usr/share/aclocal/ltdl.m4:353: -1- AU_DEFUN([AC_LIB_LTDL], [LTDL_INIT($@)])
m4trace:/usr/share/aclocal/ltdl.m4:353: -1- AC_DEFUN([AC_LIB_LTDL], [m4_warn([obsolete], [The macro 'AC_LIB_LTDL' is obsolete.
You should run autoupdate.])dnl
LTDL_INIT($@)])
m4trace:/usr/share/aclocal/ltdl.m4:354: -1- AU_DEFUN([AC_WITH_LTDL], [LTDL_INIT($@)])
m4trace:/usr/share/aclocal/ltdl.m4:354: -1- AC_DEFUN([AC_WITH_LTDL], [m4_warn([obsolete], [The macro 'AC_WITH_LTDL' is obsolete.
You should run autoupdate.])dnl
LTDL_INIT($@)])
m4trace:/usr/share/aclocal/ltdl.m4:355: -1- AU_DEFUN([LT_WITH_LTDL], [LTDL_INIT($@)])
m4trace:/usr/share/aclocal/ltdl.m4:355: -1- AC_DEFUN([LT_WITH_LTDL], [m4_warn([obsolete], [The macro 'LT_WITH_LTDL' is obsolete.
You should run autoupdate.])dnl
LTDL_INIT($@)])
m4trace:/usr/share/aclocal/ltdl.m4:368: -1- AC_DEFUN([_LTDL_SETUP], [AC_REQUIRE([AC_PROG_CC])dnl
AC_REQUIRE([LT_SYS_MODULE_EXT])dnl
AC_REQUIRE([LT_SYS_MODULE_PATH])dnl
AC_REQUIRE([LT_SYS_DLSEARCH_PATH])dnl
AC_REQUIRE([LT_LIB_DLLOAD])dnl
AC_REQUIRE([LT_SYS_SYMBOL_USCORE])dnl
AC_REQUIRE([LT_FUNC_DLSYM_USCORE])dnl
AC_REQUIRE([LT_SYS_DLOPEN_DEPLIBS])dnl
AC_REQUIRE([LT_FUNC_ARGZ])dnl

m4_require([_LT_CHECK_OBJDIR])dnl
m4_require([_LT_HEADER_DLFCN])dnl
m4_require([_LT_CHECK_DLPREOPEN])dnl
m4_require([_LT_DECL_SED])dnl

dnl Don't require this, or it will be expanded earlier than the code
dnl that sets the variables it relies on:
_LT_ENABLE_INSTALL

dnl _LTDL_MODE specific code must be called at least once:
_LTDL_MODE_DISPATCH

# In order that ltdl.c can compile, find out the first AC_CONFIG_HEADERS
# the user used.  This is so that ltdl.h can pick up the parent projects
# config.h file, The first file in AC_CONFIG_HEADERS must contain the
# definitions required by ltdl.c.
# FIXME: Remove use of undocumented AC_LIST_HEADERS (2.59 compatibility).
AC_CONFIG_COMMANDS_PRE([dnl
m4_pattern_allow([^LT_CONFIG_H$])dnl
m4_ifset([AH_HEADER],
    [LT_CONFIG_H=AH_HEADER],
    [m4_ifset([AC_LIST_HEADERS],
	    [LT_CONFIG_H=`echo "AC_LIST_HEADERS" | $SED 's|^[[      ]]*||;s|[[ :]].*$||'`],
	[])])])
AC_SUBST([LT_CONFIG_H])

AC_CHECK_HEADERS([unistd.h dl.h sys/dl.h dld.h mach-o/dyld.h dirent.h],
	[], [], [AC_INCLUDES_DEFAULT])

AC_CHECK_FUNCS([closedir opendir readdir], [], [AC_LIBOBJ([lt__dirent])])
AC_CHECK_FUNCS([strlcat strlcpy], [], [AC_LIBOBJ([lt__strl])])

m4_pattern_allow([LT_LIBEXT])dnl
AC_DEFINE_UNQUOTED([LT_LIBEXT],["$libext"],[The archive extension])

name=
eval "lt_libprefix=\"$libname_spec\""
m4_pattern_allow([LT_LIBPREFIX])dnl
AC_DEFINE_UNQUOTED([LT_LIBPREFIX],["$lt_libprefix"],[The archive prefix])

name=ltdl
eval "LTDLOPEN=\"$libname_spec\""
AC_SUBST([LTDLOPEN])
])
m4trace:/usr/share/aclocal/ltdl.m4:444: -1- AC_DEFUN([LT_SYS_DLOPEN_DEPLIBS], [AC_REQUIRE([AC_CANONICAL_HOST])dnl
AC_CACHE_CHECK([whether deplibs are loaded by dlopen],
  [lt_cv_sys_dlopen_deplibs],
  [# PORTME does your system automatically load deplibs for dlopen?
  # or its logical equivalent (e.g. shl_load for HP-UX < 11)
  # For now, we just catch OSes we know something about -- in the
  # future, we'll try test this programmatically.
  lt_cv_sys_dlopen_deplibs=unknown
  case $host_os in
  aix3*|aix4.1.*|aix4.2.*)
    # Unknown whether this is true for these versions of AIX, but
    # we want this 'case' here to explicitly catch those versions.
    lt_cv_sys_dlopen_deplibs=unknown
    ;;
  aix[[4-9]]*)
    lt_cv_sys_dlopen_deplibs=yes
    ;;
  amigaos*)
    case $host_cpu in
    powerpc)
      lt_cv_sys_dlopen_deplibs=no
      ;;
    esac
    ;;
  bitrig*)
    lt_cv_sys_dlopen_deplibs=yes
    ;;
  darwin*)
    # Assuming the user has installed a libdl from somewhere, this is true
    # If you are looking for one http://www.opendarwin.org/projects/dlcompat
    lt_cv_sys_dlopen_deplibs=yes
    ;;
  freebsd* | dragonfly* | midnightbsd*)
    lt_cv_sys_dlopen_deplibs=yes
    ;;
  gnu* | linux* | k*bsd*-gnu | kopensolaris*-gnu)
    # GNU and its variants, using gnu ld.so (Glibc)
    lt_cv_sys_dlopen_deplibs=yes
    ;;
  hpux10*|hpux11*)
    lt_cv_sys_dlopen_deplibs=yes
    ;;
  interix*)
    lt_cv_sys_dlopen_deplibs=yes
    ;;
  irix[[12345]]*|irix6.[[01]]*)
    # Catch all versions of IRIX before 6.2, and indicate that we don't
    # know how it worked for any of those versions.
    lt_cv_sys_dlopen_deplibs=unknown
    ;;
  irix*)
    # The case above catches anything before 6.2, and it's known that
    # at 6.2 and later dlopen does load deplibs.
    lt_cv_sys_dlopen_deplibs=yes
    ;;
  netbsd*)
    lt_cv_sys_dlopen_deplibs=yes
    ;;
  openbsd*)
    lt_cv_sys_dlopen_deplibs=yes
    ;;
  osf[[1234]]*)
    # dlopen did load deplibs (at least at 4.x), but until the 5.x series,
    # it did *not* use an RPATH in a shared library to find objects the
    # library depends on, so we explicitly say 'no'.
    lt_cv_sys_dlopen_deplibs=no
    ;;
  osf5.0|osf5.0a|osf5.1)
    # dlopen *does* load deplibs and with the right loader patch applied
    # it even uses RPATH in a shared library to search for shared objects
    # that the library depends on, but there's no easy way to know if that
    # patch is installed.  Since this is the case, all we can really
    # say is unknown -- it depends on the patch being installed.  If
    # it is, this changes to 'yes'.  Without it, it would be 'no'.
    lt_cv_sys_dlopen_deplibs=unknown
    ;;
  osf*)
    # the two cases above should catch all versions of osf <= 5.1.  Read
    # the comments above for what we know about them.
    # At > 5.1, deplibs are loaded *and* any RPATH in a shared library
    # is used to find them so we can finally say 'yes'.
    lt_cv_sys_dlopen_deplibs=yes
    ;;
  qnx*)
    lt_cv_sys_dlopen_deplibs=yes
    ;;
  solaris*)
    lt_cv_sys_dlopen_deplibs=yes
    ;;
  sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*)
    libltdl_cv_sys_dlopen_deplibs=yes
    ;;
  esac
  ])
if test yes != "$lt_cv_sys_dlopen_deplibs"; then
 AC_DEFINE([LTDL_DLOPEN_DEPLIBS], [1],
    [Define if the OS needs help to load dependent libraries for dlopen().])
fi
])
m4trace:/usr/share/aclocal/ltdl.m4:546: -1- AU_DEFUN([AC_LTDL_SYS_DLOPEN_DEPLIBS], [m4_if($#, 0, [LT_SYS_DLOPEN_DEPLIBS], [LT_SYS_DLOPEN_DEPLIBS($@)])], [], [])
m4trace:/usr/share/aclocal/ltdl.m4:546: -1- AC_DEFUN([AC_LTDL_SYS_DLOPEN_DEPLIBS], [m4_warn([obsolete], [The macro 'AC_LTDL_SYS_DLOPEN_DEPLIBS' is obsolete.
You should run autoupdate.])dnl
m4_if($#, 0, [LT_SYS_DLOPEN_DEPLIBS], [LT_SYS_DLOPEN_DEPLIBS($@)])])
m4trace:/usr/share/aclocal/ltdl.m4:553: -1- AC_DEFUN([LT_SYS_MODULE_EXT], [m4_require([_LT_SYS_DYNAMIC_LINKER])dnl
AC_CACHE_CHECK([what extension is used for runtime loadable modules],
  [libltdl_cv_shlibext],
[
module=yes
eval libltdl_cv_shlibext=$shrext_cmds
module=no
eval libltdl_cv_shrext=$shrext_cmds
  ])
if test -n "$libltdl_cv_shlibext"; then
  m4_pattern_allow([LT_MODULE_EXT])dnl
  AC_DEFINE_UNQUOTED([LT_MODULE_EXT], ["$libltdl_cv_shlibext"],
    [Define to the extension used for runtime loadable modules, say, ".so".])
fi
if test "$libltdl_cv_shrext" != "$libltdl_cv_shlibext"; then
  m4_pattern_allow([LT_SHARED_EXT])dnl
  AC_DEFINE_UNQUOTED([LT_SHARED_EXT], ["$libltdl_cv_shrext"],
    [Define to the shared library suffix, say, ".dylib".])
fi
if test -n "$shared_archive_member_spec"; then
  m4_pattern_allow([LT_SHARED_LIB_MEMBER])dnl
  AC_DEFINE_UNQUOTED([LT_SHARED_LIB_MEMBER], ["($shared_archive_member_spec.o)"],
    [Define to the shared archive member specification, say "(shr.o)".])
fi
])
m4trace:/usr/share/aclocal/ltdl.m4:581: -1- AU_DEFUN([AC_LTDL_SHLIBEXT], [m4_if($#, 0, [LT_SYS_MODULE_EXT], [LT_SYS_MODULE_EXT($@)])], [], [])
m4trace:/usr/share/aclocal/ltdl.m4:581: -1- AC_DEFUN([AC_LTDL_SHLIBEXT], [m4_warn([obsolete], [The macro 'AC_LTDL_SHLIBEXT' is obsolete.
You should run autoupdate.])dnl
m4_if($#, 0, [LT_SYS_MODULE_EXT], [LT_SYS_MODULE_EXT($@)])])
m4trace:/usr/share/aclocal/ltdl.m4:588: -1- AC_DEFUN([LT_SYS_MODULE_PATH], [m4_require([_LT_SYS_DYNAMIC_LINKER])dnl
AC_CACHE_CHECK([what variable specifies run-time module search path],
  [lt_cv_module_path_var], [lt_cv_module_path_var=$shlibpath_var])
if test -n "$lt_cv_module_path_var"; then
  m4_pattern_allow([LT_MODULE_PATH_VAR])dnl
  AC_DEFINE_UNQUOTED([LT_MODULE_PATH_VAR], ["$lt_cv_module_path_var"],
    [Define to the name of the environment variable that determines the run-time module search path.])
fi
])
m4trace:/usr/share/aclocal/ltdl.m4:600: -1- AU_DEFUN([AC_LTDL_SHLIBPATH], [m4_if($#, 0, [LT_SYS_MODULE_PATH], [LT_SYS_MODULE_PATH($@)])], [], [])
m4trace:/usr/share/aclocal/ltdl.m4:600: -1- AC_DEFUN([AC_LTDL_SHLIBPATH], [m4_warn([obsolete], [The macro 'AC_LTDL_SHLIBPATH' is obsolete.
You should run autoupdate.])dnl
m4_if($#, 0, [LT_SYS_MODULE_PATH], [LT_SYS_MODULE_PATH($@)])])
m4trace:/usr/share/aclocal/ltdl.m4:607: -1- AC_DEFUN([LT_SYS_DLSEARCH_PATH], [m4_require([_LT_SYS_DYNAMIC_LINKER])dnl
AC_CACHE_CHECK([for the default library search path],
  [lt_cv_sys_dlsearch_path],
  [lt_cv_sys_dlsearch_path=$sys_lib_dlsearch_path_spec])
if test -n "$lt_cv_sys_dlsearch_path"; then
  sys_dlsearch_path=
  for dir in $lt_cv_sys_dlsearch_path; do
    if test -z "$sys_dlsearch_path"; then
      sys_dlsearch_path=$dir
    else
      sys_dlsearch_path=$sys_dlsearch_path$PATH_SEPARATOR$dir
    fi
  done
  m4_pattern_allow([LT_DLSEARCH_PATH])dnl
  AC_DEFINE_UNQUOTED([LT_DLSEARCH_PATH], ["$sys_dlsearch_path"],
    [Define to the system default library search path.])
fi
])
m4trace:/usr/share/aclocal/ltdl.m4:628: -1- AU_DEFUN([AC_LTDL_SYSSEARCHPATH], [m4_if($#, 0, [LT_SYS_DLSEARCH_PATH], [LT_SYS_DLSEARCH_PATH($@)])], [], [])
m4trace:/usr/share/aclocal/ltdl.m4:628: -1- AC_DEFUN([AC_LTDL_SYSSEARCHPATH], [m4_warn([obsolete], [The macro 'AC_LTDL_SYSSEARCHPATH' is obsolete.
You should run autoupdate.])dnl
m4_if($#, 0, [LT_SYS_DLSEARCH_PATH], [LT_SYS_DLSEARCH_PATH($@)])])
m4trace:/usr/share/aclocal/ltdl.m4:654: -1- AC_DEFUN([LT_LIB_DLLOAD], [m4_pattern_allow([^LT_DLLOADERS$])
LT_DLLOADERS=
AC_SUBST([LT_DLLOADERS])

AC_LANG_PUSH([C])
lt_dlload_save_LIBS=$LIBS

LIBADD_DLOPEN=
AC_SEARCH_LIBS([dlopen], [dl],
	[AC_DEFINE([HAVE_LIBDL], [1],
		   [Define if you have the libdl library or equivalent.])
	if test "$ac_cv_search_dlopen" != "none required"; then
	  LIBADD_DLOPEN=-ldl
	fi
	libltdl_cv_lib_dl_dlopen=yes
	LT_DLLOADERS="$LT_DLLOADERS ${lt_dlopen_dir+$lt_dlopen_dir/}dlopen.la"],
    [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#if HAVE_DLFCN_H
#  include <dlfcn.h>
#endif
    ]], [[dlopen(0, 0);]])],
	    [AC_DEFINE([HAVE_LIBDL], [1],
		       [Define if you have the libdl library or equivalent.])
	    libltdl_cv_func_dlopen=yes
	    LT_DLLOADERS="$LT_DLLOADERS ${lt_dlopen_dir+$lt_dlopen_dir/}dlopen.la"],
	[AC_CHECK_LIB([svld], [dlopen],
		[AC_DEFINE([HAVE_LIBDL], [1],
			 [Define if you have the libdl library or equivalent.])
	        LIBADD_DLOPEN=-lsvld libltdl_cv_func_dlopen=yes
		LT_DLLOADERS="$LT_DLLOADERS ${lt_dlopen_dir+$lt_dlopen_dir/}dlopen.la"])])])
if test yes = "$libltdl_cv_func_dlopen" || test yes = "$libltdl_cv_lib_dl_dlopen"
then
  lt_save_LIBS=$LIBS
  LIBS="$LIBS $LIBADD_DLOPEN"
  AC_CHECK_FUNCS([dlerror])
  LIBS=$lt_save_LIBS
fi
AC_SUBST([LIBADD_DLOPEN])

LIBADD_SHL_LOAD=
AC_CHECK_FUNC([shl_load],
	[AC_DEFINE([HAVE_SHL_LOAD], [1],
		   [Define if you have the shl_load function.])
	LT_DLLOADERS="$LT_DLLOADERS ${lt_dlopen_dir+$lt_dlopen_dir/}shl_load.la"],
    [AC_CHECK_LIB([dld], [shl_load],
	    [AC_DEFINE([HAVE_SHL_LOAD], [1],
		       [Define if you have the shl_load function.])
	    LT_DLLOADERS="$LT_DLLOADERS ${lt_dlopen_dir+$lt_dlopen_dir/}shl_load.la"
	    LIBADD_SHL_LOAD=-ldld])])
AC_SUBST([LIBADD_SHL_LOAD])

case $host_os in
darwin[[1567]].*)
# We only want this for pre-Mac OS X 10.4.
  AC_CHECK_FUNC([_dyld_func_lookup],
	[AC_DEFINE([HAVE_DYLD], [1],
		   [Define if you have the _dyld_func_lookup function.])
	LT_DLLOADERS="$LT_DLLOADERS ${lt_dlopen_dir+$lt_dlopen_dir/}dyld.la"])
  ;;
beos*)
  LT_DLLOADERS="$LT_DLLOADERS ${lt_dlopen_dir+$lt_dlopen_dir/}load_add_on.la"
  ;;
cygwin* | mingw* | pw32*)
  AC_CHECK_DECLS([cygwin_conv_path], [], [], [[#include <sys/cygwin.h>]])
  LT_DLLOADERS="$LT_DLLOADERS ${lt_dlopen_dir+$lt_dlopen_dir/}loadlibrary.la"
  ;;
esac

AC_CHECK_LIB([dld], [dld_link],
	[AC_DEFINE([HAVE_DLD], [1],
		   [Define if you have the GNU dld library.])
		LT_DLLOADERS="$LT_DLLOADERS ${lt_dlopen_dir+$lt_dlopen_dir/}dld_link.la"])
AC_SUBST([LIBADD_DLD_LINK])

m4_pattern_allow([^LT_DLPREOPEN$])
LT_DLPREOPEN=
if test -n "$LT_DLLOADERS"
then
  for lt_loader in $LT_DLLOADERS; do
    LT_DLPREOPEN="$LT_DLPREOPEN-dlpreopen $lt_loader "
  done
  AC_DEFINE([HAVE_LIBDLLOADER], [1],
            [Define if libdlloader will be built on this platform])
fi
AC_SUBST([LT_DLPREOPEN])

dnl This isn't used anymore, but set it for backwards compatibility
LIBADD_DL="$LIBADD_DLOPEN $LIBADD_SHL_LOAD"
AC_SUBST([LIBADD_DL])

LIBS=$lt_dlload_save_LIBS
AC_LANG_POP
])
m4trace:/usr/share/aclocal/ltdl.m4:749: -1- AU_DEFUN([AC_LTDL_DLLIB], [m4_if($#, 0, [LT_LIB_DLLOAD], [LT_LIB_DLLOAD($@)])], [], [])
m4trace:/usr/share/aclocal/ltdl.m4:749: -1- AC_DEFUN([AC_LTDL_DLLIB], [m4_warn([obsolete], [The macro 'AC_LTDL_DLLIB' is obsolete.
You should run autoupdate.])dnl
m4_if($#, 0, [LT_LIB_DLLOAD], [LT_LIB_DLLOAD($@)])])
m4trace:/usr/share/aclocal/ltdl.m4:757: -1- AC_DEFUN([LT_SYS_SYMBOL_USCORE], [m4_require([_LT_CMD_GLOBAL_SYMBOLS])dnl
AC_CACHE_CHECK([for _ prefix in compiled symbols],
  [lt_cv_sys_symbol_underscore],
  [lt_cv_sys_symbol_underscore=no
  cat > conftest.$ac_ext <<_LT_EOF
void nm_test_func(){}
int main(){nm_test_func;return 0;}
_LT_EOF
  if AC_TRY_EVAL(ac_compile); then
    # Now try to grab the symbols.
    ac_nlist=conftest.nm
    if AC_TRY_EVAL(NM conftest.$ac_objext \| $lt_cv_sys_global_symbol_pipe \> $ac_nlist) && test -s "$ac_nlist"; then
      # See whether the symbols have a leading underscore.
      if grep '^. _nm_test_func' "$ac_nlist" >/dev/null; then
        lt_cv_sys_symbol_underscore=yes
      else
        if grep '^. nm_test_func ' "$ac_nlist" >/dev/null; then
	  :
        else
	  echo "configure: cannot find nm_test_func in $ac_nlist" >&AS_MESSAGE_LOG_FD
        fi
      fi
    else
      echo "configure: cannot run $lt_cv_sys_global_symbol_pipe" >&AS_MESSAGE_LOG_FD
    fi
  else
    echo "configure: failed program was:" >&AS_MESSAGE_LOG_FD
    cat conftest.c >&AS_MESSAGE_LOG_FD
  fi
  rm -rf conftest*
  ])
  sys_symbol_underscore=$lt_cv_sys_symbol_underscore
  AC_SUBST([sys_symbol_underscore])
])
m4trace:/usr/share/aclocal/ltdl.m4:794: -1- AU_DEFUN([AC_LTDL_SYMBOL_USCORE], [m4_if($#, 0, [LT_SYS_SYMBOL_USCORE], [LT_SYS_SYMBOL_USCORE($@)])], [], [])
m4trace:/usr/share/aclocal/ltdl.m4:794: -1- AC_DEFUN([AC_LTDL_SYMBOL_USCORE], [m4_warn([obsolete], [The macro 'AC_LTDL_SYMBOL_USCORE' is obsolete.
You should run autoupdate.])dnl
m4_if($#, 0, [LT_SYS_SYMBOL_USCORE], [LT_SYS_SYMBOL_USCORE($@)])])
m4trace:/usr/share/aclocal/ltdl.m4:801: -1- AC_DEFUN([LT_FUNC_DLSYM_USCORE], [AC_REQUIRE([_LT_COMPILER_PIC])dnl	for lt_prog_compiler_wl
AC_REQUIRE([LT_SYS_SYMBOL_USCORE])dnl	for lt_cv_sys_symbol_underscore
AC_REQUIRE([LT_SYS_MODULE_EXT])dnl	for libltdl_cv_shlibext
if test yes = "$lt_cv_sys_symbol_underscore"; then
  if test yes = "$libltdl_cv_func_dlopen" || test yes = "$libltdl_cv_lib_dl_dlopen"; then
    AC_CACHE_CHECK([whether we have to add an underscore for dlsym],
      [libltdl_cv_need_uscore],
      [libltdl_cv_need_uscore=unknown
      dlsym_uscore_save_LIBS=$LIBS
      LIBS="$LIBS $LIBADD_DLOPEN"
      libname=conftmod # stay within 8.3 filename limits!
      cat >$libname.$ac_ext <<_LT_EOF
[#line $LINENO "configure"
#include "confdefs.h"
/* When -fvisibility=hidden is used, assume the code has been annotated
   correspondingly for the symbols needed.  */
#if defined __GNUC__ && (((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 3))
int fnord () __attribute__((visibility("default")));
#endif
int fnord () { return 42; }]
_LT_EOF

      # ltfn_module_cmds module_cmds
      # Execute tilde-delimited MODULE_CMDS with environment primed for
      # $module_cmds or $archive_cmds type content.
      ltfn_module_cmds ()
      {( # subshell avoids polluting parent global environment
          module_cmds_save_ifs=$IFS; IFS='~'
          for cmd in @S|@1; do
            IFS=$module_cmds_save_ifs
            libobjs=$libname.$ac_objext; lib=$libname$libltdl_cv_shlibext
            rpath=/not-exists; soname=$libname$libltdl_cv_shlibext; output_objdir=.
            major=; versuffix=; verstring=; deplibs=
            ECHO=echo; wl=$lt_prog_compiler_wl; allow_undefined_flag=
            eval $cmd
          done
          IFS=$module_cmds_save_ifs
      )}

      # Compile a loadable module using libtool macro expansion results.
      $CC $pic_flag -c $libname.$ac_ext
      ltfn_module_cmds "${module_cmds:-$archive_cmds}"

      # Try to fetch fnord with dlsym().
      libltdl_dlunknown=0; libltdl_dlnouscore=1; libltdl_dluscore=2
      cat >conftest.$ac_ext <<_LT_EOF
[#line $LINENO "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
#include <dlfcn.h>
#endif
#include <stdio.h>
#ifndef RTLD_GLOBAL
#  ifdef DL_GLOBAL
#    define RTLD_GLOBAL DL_GLOBAL
#  else
#    define RTLD_GLOBAL 0
#  endif
#endif
#ifndef RTLD_NOW
#  ifdef DL_NOW
#    define RTLD_NOW DL_NOW
#  else
#    define RTLD_NOW 0
#  endif
#endif
int main () {
  void *handle = dlopen ("`pwd`/$libname$libltdl_cv_shlibext", RTLD_GLOBAL|RTLD_NOW);
  int status = $libltdl_dlunknown;
  if (handle) {
    if (dlsym (handle, "fnord"))
      status = $libltdl_dlnouscore;
    else {
      if (dlsym (handle, "_fnord"))
        status = $libltdl_dluscore;
      else
	puts (dlerror ());
    }
    dlclose (handle);
  } else
    puts (dlerror ());
  return status;
}]
_LT_EOF
      if AC_TRY_EVAL(ac_link) && test -s "conftest$ac_exeext" 2>/dev/null; then
        (./conftest; exit; ) >&AS_MESSAGE_LOG_FD 2>/dev/null
        libltdl_status=$?
        case x$libltdl_status in
          x$libltdl_dlnouscore) libltdl_cv_need_uscore=no ;;
	  x$libltdl_dluscore) libltdl_cv_need_uscore=yes ;;
	  x*) libltdl_cv_need_uscore=unknown ;;
        esac
      fi
      rm -rf conftest* $libname*
      LIBS=$dlsym_uscore_save_LIBS
    ])
  fi
fi

if test yes = "$libltdl_cv_need_uscore"; then
  AC_DEFINE([NEED_USCORE], [1],
    [Define if dlsym() requires a leading underscore in symbol names.])
fi
])
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m4_if($#, 0, [LT_FUNC_DLSYM_USCORE], [LT_FUNC_DLSYM_USCORE($@)])])
m4trace:/usr/share/aclocal/ltoptions.m4:14: -1- AC_DEFUN([LTOPTIONS_VERSION], [m4_if([1])])
m4trace:/usr/share/aclocal/ltoptions.m4:113: -1- AU_DEFUN([AC_LIBTOOL_DLOPEN], [_LT_SET_OPTION([LT_INIT], [dlopen])
AC_DIAGNOSE([obsolete],
[$0: Remove this warning and the call to _LT_SET_OPTION when you
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])
m4trace:/usr/share/aclocal/ltoptions.m4:113: -1- AC_DEFUN([AC_LIBTOOL_DLOPEN], [m4_warn([obsolete], [The macro 'AC_LIBTOOL_DLOPEN' is obsolete.
You should run autoupdate.])dnl
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AC_DIAGNOSE([obsolete],
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_LT_SET_OPTION([LT_INIT], [win32-dll])
AC_DIAGNOSE([obsolete],
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You should run autoupdate.])dnl
AC_REQUIRE([AC_CANONICAL_HOST])dnl
_LT_SET_OPTION([LT_INIT], [win32-dll])
AC_DIAGNOSE([obsolete],
[$0: Remove this warning and the call to _LT_SET_OPTION when you
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])
m4trace:/usr/share/aclocal/ltoptions.m4:197: -1- AC_DEFUN([AC_ENABLE_SHARED], [_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[shared])
])
m4trace:/usr/share/aclocal/ltoptions.m4:201: -1- AC_DEFUN([AC_DISABLE_SHARED], [_LT_SET_OPTION([LT_INIT], [disable-shared])
])
m4trace:/usr/share/aclocal/ltoptions.m4:205: -1- AU_DEFUN([AM_ENABLE_SHARED], [AC_ENABLE_SHARED($@)])
m4trace:/usr/share/aclocal/ltoptions.m4:205: -1- AC_DEFUN([AM_ENABLE_SHARED], [m4_warn([obsolete], [The macro 'AM_ENABLE_SHARED' is obsolete.
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AC_ENABLE_SHARED($@)])
m4trace:/usr/share/aclocal/ltoptions.m4:206: -1- AU_DEFUN([AM_DISABLE_SHARED], [AC_DISABLE_SHARED($@)])
m4trace:/usr/share/aclocal/ltoptions.m4:206: -1- AC_DEFUN([AM_DISABLE_SHARED], [m4_warn([obsolete], [The macro 'AM_DISABLE_SHARED' is obsolete.
You should run autoupdate.])dnl
AC_DISABLE_SHARED($@)])
m4trace:/usr/share/aclocal/ltoptions.m4:251: -1- AC_DEFUN([AC_ENABLE_STATIC], [_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[static])
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m4trace:/usr/share/aclocal/ltoptions.m4:255: -1- AC_DEFUN([AC_DISABLE_STATIC], [_LT_SET_OPTION([LT_INIT], [disable-static])
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m4trace:/usr/share/aclocal/ltoptions.m4:259: -1- AU_DEFUN([AM_ENABLE_STATIC], [AC_ENABLE_STATIC($@)])
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m4trace:/usr/share/aclocal/ltoptions.m4:305: -1- AC_DEFUN([AC_ENABLE_FAST_INSTALL], [m4_warn([obsolete], [The macro 'AC_ENABLE_FAST_INSTALL' is obsolete.
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AC_DIAGNOSE([obsolete],
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m4trace:/usr/share/aclocal/ltoptions.m4:312: -1- AC_DEFUN([AC_DISABLE_FAST_INSTALL], [m4_warn([obsolete], [The macro 'AC_DISABLE_FAST_INSTALL' is obsolete.
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AC_DIAGNOSE([obsolete],
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m4trace:/usr/share/aclocal/ltoptions.m4:411: -1- AU_DEFUN([AC_LIBTOOL_PICMODE], [_LT_SET_OPTION([LT_INIT], [pic-only])
AC_DIAGNOSE([obsolete],
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])
m4trace:/usr/share/aclocal/ltoptions.m4:411: -1- AC_DEFUN([AC_LIBTOOL_PICMODE], [m4_warn([obsolete], [The macro 'AC_LIBTOOL_PICMODE' is obsolete.
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AC_DIAGNOSE([obsolete],
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m4trace:/usr/share/aclocal/ltsugar.m4:14: -1- AC_DEFUN([LTSUGAR_VERSION], [m4_if([0.1])])
m4trace:/usr/share/aclocal/ltversion.m4:19: -1- AC_DEFUN([LTVERSION_VERSION], [macro_version='2.4.7'
macro_revision='2.4.7'
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_LT_DECL(, macro_revision, 0)
])
m4trace:/usr/share/aclocal/lt~obsolete.m4:37: -1- AC_DEFUN([LTOBSOLETE_VERSION], [m4_if([1])])
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m4trace:/usr/share/aclocal/lt~obsolete.m4:92: -1- AC_DEFUN([_LT_AC_FILE_LTDLL_C])
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m4trace:/usr/share/aclocal-1.16/amversion.m4:14: -1- AC_DEFUN([AM_AUTOMAKE_VERSION], [am__api_version='1.16'
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  cd ..
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else
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])
AC_SUBST([$1DEPMODE], [depmode=$am_cv_$1_dependencies_compiler_type])
AM_CONDITIONAL([am__fastdep$1], [
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m4trace:/usr/share/aclocal-1.16/depend.m4:163: -1- AC_DEFUN([AM_SET_DEPDIR], [AC_REQUIRE([AM_SET_LEADING_DOT])dnl
AC_SUBST([DEPDIR], ["${am__leading_dot}deps"])dnl
])
m4trace:/usr/share/aclocal-1.16/depend.m4:171: -1- AC_DEFUN([AM_DEP_TRACK], [AC_ARG_ENABLE([dependency-tracking], [dnl
AS_HELP_STRING(
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AS_HELP_STRING(
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if test "x$enable_dependency_tracking" != xno; then
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  AMDEPBACKSLASH='\'
  am__nodep='_no'
fi
AM_CONDITIONAL([AMDEP], [test "x$enable_dependency_tracking" != xno])
AC_SUBST([AMDEPBACKSLASH])dnl
_AM_SUBST_NOTMAKE([AMDEPBACKSLASH])dnl
AC_SUBST([am__nodep])dnl
_AM_SUBST_NOTMAKE([am__nodep])dnl
])
m4trace:/usr/share/aclocal-1.16/depout.m4:11: -1- AC_DEFUN([_AM_OUTPUT_DEPENDENCY_COMMANDS], [{
  # Older Autoconf quotes --file arguments for eval, but not when files
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  # TODO: see whether this extra hack can be removed once we start
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  AS_CASE([$CONFIG_FILES],
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  shift
  # Used to flag and report bootstrapping failures.
  am_rc=0
  for am_mf
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    AM_RUN_LOG([cd "$am_dirpart" \
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  done
  if test $am_rc -ne 0; then
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  AS_UNSET([am_dirpart])
  AS_UNSET([am_filepart])
  AS_UNSET([am_mf])
  AS_UNSET([am_rc])
  rm -f conftest-deps.mk
}
])
m4trace:/usr/share/aclocal-1.16/depout.m4:64: -1- AC_DEFUN([AM_OUTPUT_DEPENDENCY_COMMANDS], [AC_CONFIG_COMMANDS([depfiles],
     [test x"$AMDEP_TRUE" != x"" || _AM_OUTPUT_DEPENDENCY_COMMANDS],
     [AMDEP_TRUE="$AMDEP_TRUE" MAKE="${MAKE-make}"])])
m4trace:/usr/share/aclocal-1.16/init.m4:29: -1- AC_DEFUN([AM_INIT_AUTOMAKE], [AC_PREREQ([2.65])dnl
m4_ifdef([_$0_ALREADY_INIT],
  [m4_fatal([$0 expanded multiple times
]m4_defn([_$0_ALREADY_INIT]))],
  [m4_define([_$0_ALREADY_INIT], m4_expansion_stack)])dnl
dnl Autoconf wants to disallow AM_ names.  We explicitly allow
dnl the ones we care about.
m4_pattern_allow([^AM_[A-Z]+FLAGS$])dnl
AC_REQUIRE([AM_SET_CURRENT_AUTOMAKE_VERSION])dnl
AC_REQUIRE([AC_PROG_INSTALL])dnl
if test "`cd $srcdir && pwd`" != "`pwd`"; then
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  AC_SUBST([am__isrc], [' -I$(srcdir)'])_AM_SUBST_NOTMAKE([am__isrc])dnl
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fi

# test whether we have cygpath
if test -z "$CYGPATH_W"; then
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    CYGPATH_W=echo
  fi
fi
AC_SUBST([CYGPATH_W])

# Define the identity of the package.
dnl Distinguish between old-style and new-style calls.
m4_ifval([$2],
[AC_DIAGNOSE([obsolete],
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m4_ifval([$3], [_AM_SET_OPTION([no-define])])dnl
 AC_SUBST([PACKAGE], [$1])dnl
 AC_SUBST([VERSION], [$2])],
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dnl Diagnose old-style AC_INIT with new-style AM_AUTOMAKE_INIT.
m4_if(
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 AC_SUBST([PACKAGE], ['AC_PACKAGE_TARNAME'])dnl
 AC_SUBST([VERSION], ['AC_PACKAGE_VERSION'])])dnl

_AM_IF_OPTION([no-define],,
[AC_DEFINE_UNQUOTED([PACKAGE], ["$PACKAGE"], [Name of package])
 AC_DEFINE_UNQUOTED([VERSION], ["$VERSION"], [Version number of package])])dnl

# Some tools Automake needs.
AC_REQUIRE([AM_SANITY_CHECK])dnl
AC_REQUIRE([AC_ARG_PROGRAM])dnl
AM_MISSING_PROG([ACLOCAL], [aclocal-${am__api_version}])
AM_MISSING_PROG([AUTOCONF], [autoconf])
AM_MISSING_PROG([AUTOMAKE], [automake-${am__api_version}])
AM_MISSING_PROG([AUTOHEADER], [autoheader])
AM_MISSING_PROG([MAKEINFO], [makeinfo])
AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
AC_REQUIRE([AM_PROG_INSTALL_STRIP])dnl
AC_REQUIRE([AC_PROG_MKDIR_P])dnl
# For better backward compatibility.  To be removed once Automake 1.9.x
# dies out for good.  For more background, see:
# <https://lists.gnu.org/archive/html/automake/2012-07/msg00001.html>
# <https://lists.gnu.org/archive/html/automake/2012-07/msg00014.html>
AC_SUBST([mkdir_p], ['$(MKDIR_P)'])
# We need awk for the "check" target (and possibly the TAP driver).  The
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AC_REQUIRE([AC_PROG_AWK])dnl
AC_REQUIRE([AC_PROG_MAKE_SET])dnl
AC_REQUIRE([AM_SET_LEADING_DOT])dnl
_AM_IF_OPTION([tar-ustar], [_AM_PROG_TAR([ustar])],
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_AM_IF_OPTION([no-dependencies],,
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AC_PROVIDE_IFELSE([AC_PROG_CXX],
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AC_PROVIDE_IFELSE([AC_PROG_OBJC],
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AC_PROVIDE_IFELSE([AC_PROG_OBJCXX],
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])
# Variables for tags utilities; see am/tags.am
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AC_SUBST([CTAGS])
if test -z "$ETAGS"; then
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AC_SUBST([ETAGS])
if test -z "$CSCOPE"; then
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fi
AC_SUBST([CSCOPE])

AC_REQUIRE([AM_SILENT_RULES])dnl
dnl The testsuite driver may need to know about EXEEXT, so add the
dnl 'am__EXEEXT' conditional if _AM_COMPILER_EXEEXT was seen.  This
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AC_CONFIG_COMMANDS_PRE(dnl
[m4_provide_if([_AM_COMPILER_EXEEXT],
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# POSIX will say in a future version that running "rm -f" with no argument
# is OK; and we want to be able to make that assumption in our Makefile
# recipes.  So use an aggressive probe to check that the usage we want is
# actually supported "in the wild" to an acceptable degree.
# See automake bug#10828.
# To make any issue more visible, cause the running configure to be aborted
# by default if the 'rm' program in use doesn't match our expectations; the
# user can still override this though.
if rm -f && rm -fr && rm -rf; then : OK; else
  cat >&2 <<'END'
Oops!

Your 'rm' program seems unable to run without file operands specified
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to the behaviour of most rm programs out there, and not conforming with
the upcoming POSIX standard: <http://austingroupbugs.net/view.php?id=542>

Please tell bug-automake@gnu.org about your system, including the value
of your $PATH and any error possibly output before this message.  This
can help us improve future automake versions.

END
  if test x"$ACCEPT_INFERIOR_RM_PROGRAM" = x"yes"; then
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    echo 'ACCEPT_INFERIOR_RM_PROGRAM variable to "yes"' >&2
    echo >&2
  else
    cat >&2 <<'END'
Aborting the configuration process, to ensure you take notice of the issue.

You can download and install GNU coreutils to get an 'rm' implementation
that behaves properly: <https://www.gnu.org/software/coreutils/>.

If you want to complete the configuration process using your problematic
'rm' anyway, export the environment variable ACCEPT_INFERIOR_RM_PROGRAM
to "yes", and re-run configure.

END
    AC_MSG_ERROR([Your 'rm' program is bad, sorry.])
  fi
fi
dnl The trailing newline in this macro's definition is deliberate, for
dnl backward compatibility and to allow trailing 'dnl'-style comments
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])
m4trace:/usr/share/aclocal-1.16/init.m4:204: -1- AC_DEFUN([_AC_AM_CONFIG_HEADER_HOOK], [# Compute $1's index in $config_headers.
_am_arg=$1
_am_stamp_count=1
for _am_header in $config_headers :; do
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done
echo "timestamp for $_am_arg" >`AS_DIRNAME(["$_am_arg"])`/stamp-h[]$_am_stamp_count])
m4trace:/usr/share/aclocal-1.16/install-sh.m4:11: -1- AC_DEFUN([AM_PROG_INSTALL_SH], [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
if test x"${install_sh+set}" != xset; then
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fi
AC_SUBST([install_sh])])
m4trace:/usr/share/aclocal-1.16/lead-dot.m4:10: -1- AC_DEFUN([AM_SET_LEADING_DOT], [rm -rf .tst 2>/dev/null
mkdir .tst 2>/dev/null
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rmdir .tst 2>/dev/null
AC_SUBST([am__leading_dot])])
m4trace:/usr/share/aclocal-1.16/make.m4:13: -1- AC_DEFUN([AM_MAKE_INCLUDE], [AC_MSG_CHECKING([whether ${MAKE-make} supports the include directive])
cat > confinc.mk << 'END'
am__doit:
	@echo this is the am__doit target >confinc.out
.PHONY: am__doit
END
am__include="#"
am__quote=
# BSD make does it like this.
echo '.include "confinc.mk" # ignored' > confmf.BSD
# Other make implementations (GNU, Solaris 10, AIX) do it like this.
echo 'include confinc.mk # ignored' > confmf.GNU
_am_result=no
for s in GNU BSD; do
  AM_RUN_LOG([${MAKE-make} -f confmf.$s && cat confinc.out])
  AS_CASE([$?:`cat confinc.out 2>/dev/null`],
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      [AS_CASE([$s],
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  fi
done
rm -f confinc.* confmf.*
AC_MSG_RESULT([${_am_result}])
AC_SUBST([am__include])])
m4trace:/usr/share/aclocal-1.16/make.m4:42: -1- m4_pattern_allow([^am__quote$])
m4trace:/usr/share/aclocal-1.16/missing.m4:11: -1- AC_DEFUN([AM_MISSING_PROG], [AC_REQUIRE([AM_MISSING_HAS_RUN])
$1=${$1-"${am_missing_run}$2"}
AC_SUBST($1)])
m4trace:/usr/share/aclocal-1.16/missing.m4:20: -1- AC_DEFUN([AM_MISSING_HAS_RUN], [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
AC_REQUIRE_AUX_FILE([missing])dnl
if test x"${MISSING+set}" != xset; then
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fi
# Use eval to expand $SHELL
if eval "$MISSING --is-lightweight"; then
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else
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fi
])
m4trace:/usr/share/aclocal-1.16/options.m4:11: -1- AC_DEFUN([_AM_MANGLE_OPTION], [[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])])
m4trace:/usr/share/aclocal-1.16/options.m4:17: -1- AC_DEFUN([_AM_SET_OPTION], [m4_define(_AM_MANGLE_OPTION([$1]), [1])])
m4trace:/usr/share/aclocal-1.16/options.m4:23: -1- AC_DEFUN([_AM_SET_OPTIONS], [m4_foreach_w([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])])
m4trace:/usr/share/aclocal-1.16/options.m4:29: -1- AC_DEFUN([_AM_IF_OPTION], [m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
m4trace:/usr/share/aclocal-1.16/prog-cc-c-o.m4:12: -1- AC_DEFUN([_AM_PROG_CC_C_O], [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
AC_REQUIRE_AUX_FILE([compile])dnl
AC_LANG_PUSH([C])dnl
AC_CACHE_CHECK(
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  # Following AC_PROG_CC_C_O, we do the test twice because some
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  # though they will create one.
  am_cv_prog_cc_c_o=yes
  for am_i in 1 2; do
    if AM_RUN_LOG([$CC -c conftest.$ac_ext -o conftest2.$ac_objext]) \
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    else
      am_cv_prog_cc_c_o=no
      break
    fi
  done
  rm -f core conftest*
  unset am_i])
if test "$am_cv_prog_cc_c_o" != yes; then
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   # FIXME: It is wrong to rewrite CC.
   # But if we don't then we get into trouble of one sort or another.
   # A longer-term fix would be to have automake use am__CC in this case,
   # and then we could set am__CC="\$(top_srcdir)/compile \$(CC)"
   CC="$am_aux_dir/compile $CC"
fi
AC_LANG_POP([C])])
m4trace:/usr/share/aclocal-1.16/prog-cc-c-o.m4:47: -1- AC_DEFUN_ONCE([AM_PROG_CC_C_O], [AC_REQUIRE([AC_PROG_CC])])
m4trace:/usr/share/aclocal-1.16/runlog.m4:12: -1- AC_DEFUN([AM_RUN_LOG], [{ echo "$as_me:$LINENO: $1" >&AS_MESSAGE_LOG_FD
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   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD
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m4trace:/usr/share/aclocal-1.16/sanity.m4:11: -1- AC_DEFUN([AM_SANITY_CHECK], [AC_MSG_CHECKING([whether build environment is sane])
# Reject unsafe characters in $srcdir or the absolute working directory
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am_lf='
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case $srcdir in
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# Do 'set' in a subshell so we don't clobber the current shell's
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# symlink; some systems play weird games with the mod time of symlinks
# (eg FreeBSD returns the mod time of the symlink's containing
# directory).
if (
   am_has_slept=no
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     if test "$[*]" != "X $srcdir/configure conftest.file" \
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     am_has_slept=yes
   done
   test "$[2]" = conftest.file
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then
   # Ok.
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AC_MSG_RESULT([yes])
# If we didn't sleep, we still need to ensure time stamps of config.status and
# generated files are strictly newer.
am_sleep_pid=
if grep 'slept: no' conftest.file >/dev/null 2>&1; then
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fi
AC_CONFIG_COMMANDS_PRE(
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   if test -n "$am_sleep_pid"; then
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   AC_MSG_RESULT([done])])
rm -f conftest.file
])
m4trace:/usr/share/aclocal-1.16/silent.m4:12: -1- AC_DEFUN([AM_SILENT_RULES], [AC_ARG_ENABLE([silent-rules], [dnl
AS_HELP_STRING(
  [--enable-silent-rules],
  [less verbose build output (undo: "make V=1")])
AS_HELP_STRING(
  [--disable-silent-rules],
  [verbose build output (undo: "make V=0")])dnl
])
case $enable_silent_rules in @%:@ (((
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    *) AM_DEFAULT_VERBOSITY=m4_if([$1], [yes], [0], [1]);;
esac
dnl
dnl A few 'make' implementations (e.g., NonStop OS and NextStep)
dnl do not support nested variable expansions.
dnl See automake bug#9928 and bug#10237.
am_make=${MAKE-make}
AC_CACHE_CHECK([whether $am_make supports nested variables],
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   [if AS_ECHO([['TRUE=$(BAR$(V))
BAR0=false
BAR1=true
V=1
am__doit:
	@$(TRUE)
.PHONY: am__doit']]) | $am_make -f - >/dev/null 2>&1; then
  am_cv_make_support_nested_variables=yes
else
  am_cv_make_support_nested_variables=no
fi])
if test $am_cv_make_support_nested_variables = yes; then
  dnl Using '$V' instead of '$(V)' breaks IRIX make.
  AM_V='$(V)'
  AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)'
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  AM_V=$AM_DEFAULT_VERBOSITY
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AC_SUBST([AM_V])dnl
AM_SUBST_NOTMAKE([AM_V])dnl
AC_SUBST([AM_DEFAULT_V])dnl
AM_SUBST_NOTMAKE([AM_DEFAULT_V])dnl
AC_SUBST([AM_DEFAULT_VERBOSITY])dnl
AM_BACKSLASH='\'
AC_SUBST([AM_BACKSLASH])dnl
_AM_SUBST_NOTMAKE([AM_BACKSLASH])dnl
])
m4trace:/usr/share/aclocal-1.16/strip.m4:17: -1- AC_DEFUN([AM_PROG_INSTALL_STRIP], [AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
# Installed binaries are usually stripped using 'strip' when the user
# run "make install-strip".  However 'strip' might not be the right
# tool to use in cross-compilation environments, therefore Automake
# will honor the 'STRIP' environment variable to overrule this program.
dnl Don't test for $cross_compiling = yes, because it might be 'maybe'.
if test "$cross_compiling" != no; then
  AC_CHECK_TOOL([STRIP], [strip], :)
fi
INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
AC_SUBST([INSTALL_STRIP_PROGRAM])])
m4trace:/usr/share/aclocal-1.16/substnot.m4:12: -1- AC_DEFUN([_AM_SUBST_NOTMAKE])
m4trace:/usr/share/aclocal-1.16/substnot.m4:17: -1- AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
m4trace:/usr/share/aclocal-1.16/tar.m4:23: -1- AC_DEFUN([_AM_PROG_TAR], [# Always define AMTAR for backward compatibility.  Yes, it's still used
# in the wild :-(  We should find a proper way to deprecate it ...
AC_SUBST([AMTAR], ['$${TAR-tar}'])

# We'll loop over all known methods to create a tar archive until one works.
_am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'

m4_if([$1], [v7],
  [am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'],

  [m4_case([$1],
    [ustar],
     [# The POSIX 1988 'ustar' format is defined with fixed-size fields.
      # There is notably a 21 bits limit for the UID and the GID.  In fact,
      # the 'pax' utility can hang on bigger UID/GID (see automake bug#8343
      # and bug#13588).
      am_max_uid=2097151 # 2^21 - 1
      am_max_gid=$am_max_uid
      # The $UID and $GID variables are not portable, so we need to resort
      # to the POSIX-mandated id(1) utility.  Errors in the 'id' calls
      # below are definitely unexpected, so allow the users to see them
      # (that is, avoid stderr redirection).
      am_uid=`id -u || echo unknown`
      am_gid=`id -g || echo unknown`
      AC_MSG_CHECKING([whether UID '$am_uid' is supported by ustar format])
      if test $am_uid -le $am_max_uid; then
         AC_MSG_RESULT([yes])
      else
         AC_MSG_RESULT([no])
         _am_tools=none
      fi
      AC_MSG_CHECKING([whether GID '$am_gid' is supported by ustar format])
      if test $am_gid -le $am_max_gid; then
         AC_MSG_RESULT([yes])
      else
        AC_MSG_RESULT([no])
        _am_tools=none
      fi],

  [pax],
    [],

  [m4_fatal([Unknown tar format])])

  AC_MSG_CHECKING([how to create a $1 tar archive])

  # Go ahead even if we have the value already cached.  We do so because we
  # need to set the values for the 'am__tar' and 'am__untar' variables.
  _am_tools=${am_cv_prog_tar_$1-$_am_tools}

  for _am_tool in $_am_tools; do
    case $_am_tool in
    gnutar)
      for _am_tar in tar gnutar gtar; do
        AM_RUN_LOG([$_am_tar --version]) && break
      done
      am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
      am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
      am__untar="$_am_tar -xf -"
      ;;
    plaintar)
      # Must skip GNU tar: if it does not support --format= it doesn't create
      # ustar tarball either.
      (tar --version) >/dev/null 2>&1 && continue
      am__tar='tar chf - "$$tardir"'
      am__tar_='tar chf - "$tardir"'
      am__untar='tar xf -'
      ;;
    pax)
      am__tar='pax -L -x $1 -w "$$tardir"'
      am__tar_='pax -L -x $1 -w "$tardir"'
      am__untar='pax -r'
      ;;
    cpio)
      am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
      am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
      am__untar='cpio -i -H $1 -d'
      ;;
    none)
      am__tar=false
      am__tar_=false
      am__untar=false
      ;;
    esac

    # If the value was cached, stop now.  We just wanted to have am__tar
    # and am__untar set.
    test -n "${am_cv_prog_tar_$1}" && break

    # tar/untar a dummy directory, and stop if the command works.
    rm -rf conftest.dir
    mkdir conftest.dir
    echo GrepMe > conftest.dir/file
    AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
    rm -rf conftest.dir
    if test -s conftest.tar; then
      AM_RUN_LOG([$am__untar <conftest.tar])
      AM_RUN_LOG([cat conftest.dir/file])
      grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
    fi
  done
  rm -rf conftest.dir

  AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
  AC_MSG_RESULT([$am_cv_prog_tar_$1])])

AC_SUBST([am__tar])
AC_SUBST([am__untar])
])
m4trace:m4/ax_pthread.m4:94: -1- AU_DEFUN([ACX_PTHREAD], [m4_if($#, 0, [AX_PTHREAD], [AX_PTHREAD($@)])], [], [])
m4trace:m4/ax_pthread.m4:94: -1- AC_DEFUN([ACX_PTHREAD], [m4_warn([obsolete], [The macro 'ACX_PTHREAD' is obsolete.
You should run autoupdate.])dnl
m4_if($#, 0, [AX_PTHREAD], [AX_PTHREAD($@)])])
m4trace:m4/ax_pthread.m4:95: -1- AC_DEFUN([AX_PTHREAD], [
AC_REQUIRE([AC_CANONICAL_HOST])
AC_REQUIRE([AC_PROG_CC])
AC_REQUIRE([AC_PROG_SED])
AC_LANG_PUSH([C])
ax_pthread_ok=no

# We used to check for pthread.h first, but this fails if pthread.h
# requires special compiler flags (e.g. on Tru64 or Sequent).
# It gets checked for in the link test anyway.

# First of all, check if the user has set any of the PTHREAD_LIBS,
# etcetera environment variables, and if threads linking works using
# them:
if test "x$PTHREAD_CFLAGS$PTHREAD_LIBS" != "x"; then
        ax_pthread_save_CC="$CC"
        ax_pthread_save_CFLAGS="$CFLAGS"
        ax_pthread_save_LIBS="$LIBS"
        AS_IF([test "x$PTHREAD_CC" != "x"], [CC="$PTHREAD_CC"])
        AS_IF([test "x$PTHREAD_CXX" != "x"], [CXX="$PTHREAD_CXX"])
        CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
        LIBS="$PTHREAD_LIBS $LIBS"
        AC_MSG_CHECKING([for pthread_join using $CC $PTHREAD_CFLAGS $PTHREAD_LIBS])
        AC_LINK_IFELSE([AC_LANG_CALL([], [pthread_join])], [ax_pthread_ok=yes])
        AC_MSG_RESULT([$ax_pthread_ok])
        if test "x$ax_pthread_ok" = "xno"; then
                PTHREAD_LIBS=""
                PTHREAD_CFLAGS=""
        fi
        CC="$ax_pthread_save_CC"
        CFLAGS="$ax_pthread_save_CFLAGS"
        LIBS="$ax_pthread_save_LIBS"
fi

# We must check for the threads library under a number of different
# names; the ordering is very important because some systems
# (e.g. DEC) have both -lpthread and -lpthreads, where one of the
# libraries is broken (non-POSIX).

# Create a list of thread flags to try. Items with a "," contain both
# C compiler flags (before ",") and linker flags (after ","). Other items
# starting with a "-" are C compiler flags, and remaining items are
# library names, except for "none" which indicates that we try without
# any flags at all, and "pthread-config" which is a program returning
# the flags for the Pth emulation library.

ax_pthread_flags="pthreads none -Kthread -pthread -pthreads -mthreads pthread --thread-safe -mt pthread-config"

# The ordering *is* (sometimes) important.  Some notes on the
# individual items follow:

# pthreads: AIX (must check this before -lpthread)
# none: in case threads are in libc; should be tried before -Kthread and
#       other compiler flags to prevent continual compiler warnings
# -Kthread: Sequent (threads in libc, but -Kthread needed for pthread.h)
# -pthread: Linux/gcc (kernel threads), BSD/gcc (userland threads), Tru64
#           (Note: HP C rejects this with "bad form for `-t' option")
# -pthreads: Solaris/gcc (Note: HP C also rejects)
# -mt: Sun Workshop C (may only link SunOS threads [-lthread], but it
#      doesn't hurt to check since this sometimes defines pthreads and
#      -D_REENTRANT too), HP C (must be checked before -lpthread, which
#      is present but should not be used directly; and before -mthreads,
#      because the compiler interprets this as "-mt" + "-hreads")
# -mthreads: Mingw32/gcc, Lynx/gcc
# pthread: Linux, etcetera
# --thread-safe: KAI C++
# pthread-config: use pthread-config program (for GNU Pth library)

case $host_os in

        freebsd*)

        # -kthread: FreeBSD kernel threads (preferred to -pthread since SMP-able)
        # lthread: LinuxThreads port on FreeBSD (also preferred to -pthread)

        ax_pthread_flags="-kthread lthread $ax_pthread_flags"
        ;;

        hpux*)

        # From the cc(1) man page: "[-mt] Sets various -D flags to enable
        # multi-threading and also sets -lpthread."

        ax_pthread_flags="-mt -pthread pthread $ax_pthread_flags"
        ;;

        openedition*)

        # IBM z/OS requires a feature-test macro to be defined in order to
        # enable POSIX threads at all, so give the user a hint if this is
        # not set. (We don't define these ourselves, as they can affect
        # other portions of the system API in unpredictable ways.)

        AC_EGREP_CPP([AX_PTHREAD_ZOS_MISSING],
            [
#            if !defined(_OPEN_THREADS) && !defined(_UNIX03_THREADS)
             AX_PTHREAD_ZOS_MISSING
#            endif
            ],
            [AC_MSG_WARN([IBM z/OS requires -D_OPEN_THREADS or -D_UNIX03_THREADS to enable pthreads support.])])
        ;;

        solaris*)

        # On Solaris (at least, for some versions), libc contains stubbed
        # (non-functional) versions of the pthreads routines, so link-based
        # tests will erroneously succeed. (N.B.: The stubs are missing
        # pthread_cleanup_push, or rather a function called by this macro,
        # so we could check for that, but who knows whether they'll stub
        # that too in a future libc.)  So we'll check first for the
        # standard Solaris way of linking pthreads (-mt -lpthread).

        ax_pthread_flags="-mt,-lpthread pthread $ax_pthread_flags"
        ;;
esac

# Are we compiling with Clang?

AC_CACHE_CHECK([whether $CC is Clang],
    [ax_cv_PTHREAD_CLANG],
    [ax_cv_PTHREAD_CLANG=no
     # Note that Autoconf sets GCC=yes for Clang as well as GCC
     if test "x$GCC" = "xyes"; then
        AC_EGREP_CPP([AX_PTHREAD_CC_IS_CLANG],
            [/* Note: Clang 2.7 lacks __clang_[a-z]+__ */
#            if defined(__clang__) && defined(__llvm__)
             AX_PTHREAD_CC_IS_CLANG
#            endif
            ],
            [ax_cv_PTHREAD_CLANG=yes])
     fi
    ])
ax_pthread_clang="$ax_cv_PTHREAD_CLANG"


# GCC generally uses -pthread, or -pthreads on some platforms (e.g. SPARC)

# Note that for GCC and Clang -pthread generally implies -lpthread,
# except when -nostdlib is passed.
# This is problematic using libtool to build C++ shared libraries with pthread:
# [1] https://gcc.gnu.org/bugzilla/show_bug.cgi?id=25460
# [2] https://bugzilla.redhat.com/show_bug.cgi?id=661333
# [3] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=468555
# To solve this, first try -pthread together with -lpthread for GCC

AS_IF([test "x$GCC" = "xyes"],
      [ax_pthread_flags="-pthread,-lpthread -pthread -pthreads $ax_pthread_flags"])

# Clang takes -pthread (never supported any other flag), but we'll try with -lpthread first

AS_IF([test "x$ax_pthread_clang" = "xyes"],
      [ax_pthread_flags="-pthread,-lpthread -pthread"])


# The presence of a feature test macro requesting re-entrant function
# definitions is, on some systems, a strong hint that pthreads support is
# correctly enabled

case $host_os in
        darwin* | hpux* | linux* | osf* | solaris*)
        ax_pthread_check_macro="_REENTRANT"
        ;;

        aix*)
        ax_pthread_check_macro="_THREAD_SAFE"
        ;;

        *)
        ax_pthread_check_macro="--"
        ;;
esac
AS_IF([test "x$ax_pthread_check_macro" = "x--"],
      [ax_pthread_check_cond=0],
      [ax_pthread_check_cond="!defined($ax_pthread_check_macro)"])


if test "x$ax_pthread_ok" = "xno"; then
for ax_pthread_try_flag in $ax_pthread_flags; do

        case $ax_pthread_try_flag in
                none)
                AC_MSG_CHECKING([whether pthreads work without any flags])
                ;;

                *,*)
                PTHREAD_CFLAGS=`echo $ax_pthread_try_flag | sed "s/^\(.*\),\(.*\)$/\1/"`
                PTHREAD_LIBS=`echo $ax_pthread_try_flag | sed "s/^\(.*\),\(.*\)$/\2/"`
                AC_MSG_CHECKING([whether pthreads work with "$PTHREAD_CFLAGS" and "$PTHREAD_LIBS"])
                ;;

                -*)
                AC_MSG_CHECKING([whether pthreads work with $ax_pthread_try_flag])
                PTHREAD_CFLAGS="$ax_pthread_try_flag"
                ;;

                pthread-config)
                AC_CHECK_PROG([ax_pthread_config], [pthread-config], [yes], [no])
                AS_IF([test "x$ax_pthread_config" = "xno"], [continue])
                PTHREAD_CFLAGS="`pthread-config --cflags`"
                PTHREAD_LIBS="`pthread-config --ldflags` `pthread-config --libs`"
                ;;

                *)
                AC_MSG_CHECKING([for the pthreads library -l$ax_pthread_try_flag])
                PTHREAD_LIBS="-l$ax_pthread_try_flag"
                ;;
        esac

        ax_pthread_save_CFLAGS="$CFLAGS"
        ax_pthread_save_LIBS="$LIBS"
        CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
        LIBS="$PTHREAD_LIBS $LIBS"

        # Check for various functions.  We must include pthread.h,
        # since some functions may be macros.  (On the Sequent, we
        # need a special flag -Kthread to make this header compile.)
        # We check for pthread_join because it is in -lpthread on IRIX
        # while pthread_create is in libc.  We check for pthread_attr_init
        # due to DEC craziness with -lpthreads.  We check for
        # pthread_cleanup_push because it is one of the few pthread
        # functions on Solaris that doesn't have a non-functional libc stub.
        # We try pthread_create on general principles.

        AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <pthread.h>
#                       if $ax_pthread_check_cond
#                        error "$ax_pthread_check_macro must be defined"
#                       endif
                        static void *some_global = NULL;
                        static void routine(void *a)
                          {
                             /* To avoid any unused-parameter or
                                unused-but-set-parameter warning.  */
                             some_global = a;
                          }
                        static void *start_routine(void *a) { return a; }],
                       [pthread_t th; pthread_attr_t attr;
                        pthread_create(&th, 0, start_routine, 0);
                        pthread_join(th, 0);
                        pthread_attr_init(&attr);
                        pthread_cleanup_push(routine, 0);
                        pthread_cleanup_pop(0) /* ; */])],
            [ax_pthread_ok=yes],
            [])

        CFLAGS="$ax_pthread_save_CFLAGS"
        LIBS="$ax_pthread_save_LIBS"

        AC_MSG_RESULT([$ax_pthread_ok])
        AS_IF([test "x$ax_pthread_ok" = "xyes"], [break])

        PTHREAD_LIBS=""
        PTHREAD_CFLAGS=""
done
fi


# Clang needs special handling, because older versions handle the -pthread
# option in a rather... idiosyncratic way

if test "x$ax_pthread_clang" = "xyes"; then

        # Clang takes -pthread; it has never supported any other flag

        # (Note 1: This will need to be revisited if a system that Clang
        # supports has POSIX threads in a separate library.  This tends not
        # to be the way of modern systems, but it's conceivable.)

        # (Note 2: On some systems, notably Darwin, -pthread is not needed
        # to get POSIX threads support; the API is always present and
        # active.  We could reasonably leave PTHREAD_CFLAGS empty.  But
        # -pthread does define _REENTRANT, and while the Darwin headers
        # ignore this macro, third-party headers might not.)

        # However, older versions of Clang make a point of warning the user
        # that, in an invocation where only linking and no compilation is
        # taking place, the -pthread option has no effect ("argument unused
        # during compilation").  They expect -pthread to be passed in only
        # when source code is being compiled.
        #
        # Problem is, this is at odds with the way Automake and most other
        # C build frameworks function, which is that the same flags used in
        # compilation (CFLAGS) are also used in linking.  Many systems
        # supported by AX_PTHREAD require exactly this for POSIX threads
        # support, and in fact it is often not straightforward to specify a
        # flag that is used only in the compilation phase and not in
        # linking.  Such a scenario is extremely rare in practice.
        #
        # Even though use of the -pthread flag in linking would only print
        # a warning, this can be a nuisance for well-run software projects
        # that build with -Werror.  So if the active version of Clang has
        # this misfeature, we search for an option to squash it.

        AC_CACHE_CHECK([whether Clang needs flag to prevent "argument unused" warning when linking with -pthread],
            [ax_cv_PTHREAD_CLANG_NO_WARN_FLAG],
            [ax_cv_PTHREAD_CLANG_NO_WARN_FLAG=unknown
             # Create an alternate version of $ac_link that compiles and
             # links in two steps (.c -> .o, .o -> exe) instead of one
             # (.c -> exe), because the warning occurs only in the second
             # step
             ax_pthread_save_ac_link="$ac_link"
             ax_pthread_sed='s/conftest\.\$ac_ext/conftest.$ac_objext/g'
             ax_pthread_link_step=`AS_ECHO(["$ac_link"]) | sed "$ax_pthread_sed"`
             ax_pthread_2step_ac_link="($ac_compile) && (echo ==== >&5) && ($ax_pthread_link_step)"
             ax_pthread_save_CFLAGS="$CFLAGS"
             for ax_pthread_try in '' -Qunused-arguments -Wno-unused-command-line-argument unknown; do
                AS_IF([test "x$ax_pthread_try" = "xunknown"], [break])
                CFLAGS="-Werror -Wunknown-warning-option $ax_pthread_try -pthread $ax_pthread_save_CFLAGS"
                ac_link="$ax_pthread_save_ac_link"
                AC_LINK_IFELSE([AC_LANG_SOURCE([[int main(void){return 0;}]])],
                    [ac_link="$ax_pthread_2step_ac_link"
                     AC_LINK_IFELSE([AC_LANG_SOURCE([[int main(void){return 0;}]])],
                         [break])
                    ])
             done
             ac_link="$ax_pthread_save_ac_link"
             CFLAGS="$ax_pthread_save_CFLAGS"
             AS_IF([test "x$ax_pthread_try" = "x"], [ax_pthread_try=no])
             ax_cv_PTHREAD_CLANG_NO_WARN_FLAG="$ax_pthread_try"
            ])

        case "$ax_cv_PTHREAD_CLANG_NO_WARN_FLAG" in
                no | unknown) ;;
                *) PTHREAD_CFLAGS="$ax_cv_PTHREAD_CLANG_NO_WARN_FLAG $PTHREAD_CFLAGS" ;;
        esac

fi # $ax_pthread_clang = yes



# Various other checks:
if test "x$ax_pthread_ok" = "xyes"; then
        ax_pthread_save_CFLAGS="$CFLAGS"
        ax_pthread_save_LIBS="$LIBS"
        CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
        LIBS="$PTHREAD_LIBS $LIBS"

        # Detect AIX lossage: JOINABLE attribute is called UNDETACHED.
        AC_CACHE_CHECK([for joinable pthread attribute],
            [ax_cv_PTHREAD_JOINABLE_ATTR],
            [ax_cv_PTHREAD_JOINABLE_ATTR=unknown
             for ax_pthread_attr in PTHREAD_CREATE_JOINABLE PTHREAD_CREATE_UNDETACHED; do
                 AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <pthread.h>],
                                                 [int attr = $ax_pthread_attr; return attr /* ; */])],
                                [ax_cv_PTHREAD_JOINABLE_ATTR=$ax_pthread_attr; break],
                                [])
             done
            ])
        AS_IF([test "x$ax_cv_PTHREAD_JOINABLE_ATTR" != "xunknown" && \
               test "x$ax_cv_PTHREAD_JOINABLE_ATTR" != "xPTHREAD_CREATE_JOINABLE" && \
               test "x$ax_pthread_joinable_attr_defined" != "xyes"],
              [AC_DEFINE_UNQUOTED([PTHREAD_CREATE_JOINABLE],
                                  [$ax_cv_PTHREAD_JOINABLE_ATTR],
                                  [Define to necessary symbol if this constant
                                   uses a non-standard name on your system.])
               ax_pthread_joinable_attr_defined=yes
              ])

        AC_CACHE_CHECK([whether more special flags are required for pthreads],
            [ax_cv_PTHREAD_SPECIAL_FLAGS],
            [ax_cv_PTHREAD_SPECIAL_FLAGS=no
             case $host_os in
             solaris*)
             ax_cv_PTHREAD_SPECIAL_FLAGS="-D_POSIX_PTHREAD_SEMANTICS"
             ;;
             esac
            ])
        AS_IF([test "x$ax_cv_PTHREAD_SPECIAL_FLAGS" != "xno" && \
               test "x$ax_pthread_special_flags_added" != "xyes"],
              [PTHREAD_CFLAGS="$ax_cv_PTHREAD_SPECIAL_FLAGS $PTHREAD_CFLAGS"
               ax_pthread_special_flags_added=yes])

        AC_CACHE_CHECK([for PTHREAD_PRIO_INHERIT],
            [ax_cv_PTHREAD_PRIO_INHERIT],
            [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <pthread.h>]],
                                             [[int i = PTHREAD_PRIO_INHERIT;
                                               return i;]])],
                            [ax_cv_PTHREAD_PRIO_INHERIT=yes],
                            [ax_cv_PTHREAD_PRIO_INHERIT=no])
            ])
        AS_IF([test "x$ax_cv_PTHREAD_PRIO_INHERIT" = "xyes" && \
               test "x$ax_pthread_prio_inherit_defined" != "xyes"],
              [AC_DEFINE([HAVE_PTHREAD_PRIO_INHERIT], [1], [Have PTHREAD_PRIO_INHERIT.])
               ax_pthread_prio_inherit_defined=yes
              ])

        CFLAGS="$ax_pthread_save_CFLAGS"
        LIBS="$ax_pthread_save_LIBS"

        # More AIX lossage: compile with *_r variant
        if test "x$GCC" != "xyes"; then
            case $host_os in
                aix*)
                AS_CASE(["x/$CC"],
                    [x*/c89|x*/c89_128|x*/c99|x*/c99_128|x*/cc|x*/cc128|x*/xlc|x*/xlc_v6|x*/xlc128|x*/xlc128_v6],
                    [#handle absolute path differently from PATH based program lookup
                     AS_CASE(["x$CC"],
                         [x/*],
                         [
			   AS_IF([AS_EXECUTABLE_P([${CC}_r])],[PTHREAD_CC="${CC}_r"])
			   AS_IF([test "x${CXX}" != "x"], [AS_IF([AS_EXECUTABLE_P([${CXX}_r])],[PTHREAD_CXX="${CXX}_r"])])
			 ],
                         [
			   AC_CHECK_PROGS([PTHREAD_CC],[${CC}_r],[$CC])
			   AS_IF([test "x${CXX}" != "x"], [AC_CHECK_PROGS([PTHREAD_CXX],[${CXX}_r],[$CXX])])
			 ]
                     )
                    ])
                ;;
            esac
        fi
fi

test -n "$PTHREAD_CC" || PTHREAD_CC="$CC"
test -n "$PTHREAD_CXX" || PTHREAD_CXX="$CXX"

AC_SUBST([PTHREAD_LIBS])
AC_SUBST([PTHREAD_CFLAGS])
AC_SUBST([PTHREAD_CC])
AC_SUBST([PTHREAD_CXX])

# Finally, execute ACTION-IF-FOUND/ACTION-IF-NOT-FOUND:
if test "x$ax_pthread_ok" = "xyes"; then
        ifelse([$1],,[AC_DEFINE([HAVE_PTHREAD],[1],[Define if you have POSIX threads libraries and header files.])],[$1])
        :
else
        ax_pthread_ok=no
        $2
fi
AC_LANG_POP
])
m4trace:m4/build-to-host.m4:32: -1- AC_DEFUN([gl_BUILD_TO_HOST], [
  AC_REQUIRE([AC_CANONICAL_BUILD])
  AC_REQUIRE([AC_CANONICAL_HOST])
  AC_REQUIRE([gl_BUILD_TO_HOST_INIT])

  dnl Define somedir_c.
  gl_final_[$1]="$[$1]"
  dnl Translate it from build syntax to host syntax.
  case "$build_os" in
    cygwin*)
      case "$host_os" in
        mingw* | windows*)
          gl_final_[$1]=`cygpath -w "$gl_final_[$1]"` ;;
      esac
      ;;
  esac
  dnl Convert it to C string syntax.
  [$1]_c=`printf '%s\n' "$gl_final_[$1]" | sed -e "$gl_sed_double_backslashes" -e "$gl_sed_escape_doublequotes" | tr -d "$gl_tr_cr"`
  [$1]_c='"'"$[$1]_c"'"'
  AC_SUBST([$1_c])

  dnl Define somedir_c_make.
  [$1]_c_make=`printf '%s\n' "$[$1]_c" | sed -e "$gl_sed_escape_for_make_1" -e "$gl_sed_escape_for_make_2" | tr -d "$gl_tr_cr"`
  dnl Use the substituted somedir variable, when possible, so that the user
  dnl may adjust somedir a posteriori when there are no special characters.
  if test "$[$1]_c_make" = '\"'"${gl_final_[$1]}"'\"'; then
    [$1]_c_make='\"$([$1])\"'
  fi
  AC_SUBST([$1_c_make])
])
m4trace:m4/build-to-host.m4:65: -1- AC_DEFUN([gl_BUILD_TO_HOST_INIT], [
  gl_sed_double_backslashes='s/\\/\\\\/g'
  gl_sed_escape_doublequotes='s/"/\\"/g'
changequote(,)dnl
  gl_sed_escape_for_make_1="s,\\([ \"&'();<>\\\\\`|]\\),\\\\\\1,g"
changequote([,])dnl
  gl_sed_escape_for_make_2='s,\$,\\$$,g'
  dnl Find out how to remove carriage returns from output. Solaris /usr/ucb/tr
  dnl does not understand '\r'.
  case `echo r | tr -d '\r'` in
    '') gl_tr_cr='\015' ;;
    *)  gl_tr_cr='\r' ;;
  esac
])
m4trace:m4/getopt.m4:15: -1- AC_DEFUN([gl_FUNC_GETOPT_GNU], [
  AC_REQUIRE([gl_GETOPT_CHECK_HEADERS])

  if test -n "$gl_replace_getopt"; then
    gl_GETOPT_SUBSTITUTE
  fi
])
m4trace:m4/getopt.m4:24: -1- AC_DEFUN([gl_GETOPT_CHECK_HEADERS], [
  gl_replace_getopt=

  if test -z "$gl_replace_getopt"; then
    AC_CHECK_HEADERS([getopt.h], [], [gl_replace_getopt=yes])
  fi

  if test -z "$gl_replace_getopt"; then
    AC_CHECK_FUNCS([getopt_long], [], [gl_replace_getopt=yes])
  fi

  dnl BSD getopt_long uses a way to reset option processing, that is different
  dnl from GNU and Solaris (which copied the GNU behavior). We support both
  dnl GNU and BSD style resetting of getopt_long(), so there's no need to use
  dnl GNU getopt_long() on BSD due to different resetting style.
  if test -z "$gl_replace_getopt"; then
    AC_CHECK_DECL([optreset],
      [AC_DEFINE([HAVE_OPTRESET], 1,
        [Define to 1 if getopt.h declares extern int optreset.])],
      [], [#include <getopt.h>])
  fi

  dnl POSIX 2008 does not specify leading '+' behavior, but see
  dnl http://austingroupbugs.net/view.php?id=191 for a recommendation on
  dnl the next version of POSIX.  We don't use that feature, so this
  dnl is not a problem for us. Thus, the respective test was removed here.

  dnl Checks for getopt handling '-' as a leading character in an option
  dnl string were removed, since we also don't use that feature.

])
m4trace:m4/getopt.m4:57: -1- AC_DEFUN([gl_GETOPT_SUBSTITUTE], [
  AC_LIBOBJ([getopt])
  AC_LIBOBJ([getopt1])

  AC_CHECK_HEADERS_ONCE([sys/cdefs.h])

  AC_DEFINE([__GETOPT_PREFIX], [[rpl_]],
    [Define to rpl_ if the getopt replacement functions and variables
     should be used.])

  GETOPT_H=getopt.h
  AC_SUBST([GETOPT_H])
])
m4trace:m4/getopt.m4:72: -1- AC_DEFUN([gl_GETOPT], [gl_FUNC_GETOPT_GNU])
m4trace:m4/gettext.m4:57: -1- AC_DEFUN([AM_GNU_GETTEXT], [
  dnl Argument checking.
  m4_if([$1], [], , [m4_if([$1], [external], , [m4_if([$1], [use-libtool], , [m4_if([$1], [here], ,
    [errprint([ERROR: invalid first argument to AM_GNU_GETTEXT
])])])])])
  m4_if(m4_if([$1], [], [old])[]m4_if([$1], [no-libtool], [old]), [old],
    [errprint([ERROR: Use of AM_GNU_GETTEXT without [external] argument is no longer supported.
])])
  m4_if([$2], [], , [m4_if([$2], [need-ngettext], , [m4_if([$2], [need-formatstring-macros], ,
    [errprint([ERROR: invalid second argument to AM_GNU_GETTEXT
])])])])
  define([gt_building_libintl_in_same_build_tree],
    m4_if([$1], [use-libtool], [yes], [m4_if([$1], [here], [yes], [no])]))
  gt_NEEDS_INIT
  AM_GNU_GETTEXT_NEED([$2])

  AC_REQUIRE([AM_PO_SUBDIRS])dnl

  dnl Prerequisites of AC_LIB_LINKFLAGS_BODY.
  AC_REQUIRE([AC_LIB_PREPARE_PREFIX])
  AC_REQUIRE([AC_LIB_RPATH])

  dnl Sometimes libintl requires libiconv, so first search for libiconv.
  dnl Ideally we would do this search only after the
  dnl      if test "$USE_NLS" = "yes"; then
  dnl        if { eval "gt_val=\$$gt_func_gnugettext_libc"; test "$gt_val" != "yes"; }; then
  dnl tests. But if configure.ac invokes AM_ICONV after AM_GNU_GETTEXT
  dnl the configure script would need to contain the same shell code
  dnl again, outside any 'if'. There are two solutions:
  dnl - Invoke AM_ICONV_LINKFLAGS_BODY here, outside any 'if'.
  dnl - Control the expansions in more detail using AC_PROVIDE_IFELSE.
  dnl Since AC_PROVIDE_IFELSE is not documented, we avoid it.
  m4_if(gt_building_libintl_in_same_build_tree, yes, , [
    AC_REQUIRE([AM_ICONV_LINKFLAGS_BODY])
  ])

  dnl Sometimes, on Mac OS X, libintl requires linking with CoreFoundation.
  gt_INTL_MACOSX

  dnl Set USE_NLS.
  AC_REQUIRE([AM_NLS])

  m4_if(gt_building_libintl_in_same_build_tree, yes, [
    USE_INCLUDED_LIBINTL=no
  ])
  LIBINTL=
  LTLIBINTL=
  POSUB=

  dnl Add a version number to the cache macros.
  case " $gt_needs " in
    *" need-formatstring-macros "*) gt_api_version=3 ;;
    *" need-ngettext "*) gt_api_version=2 ;;
    *) gt_api_version=1 ;;
  esac
  gt_func_gnugettext_libc="gt_cv_func_gnugettext${gt_api_version}_libc"
  gt_func_gnugettext_libintl="gt_cv_func_gnugettext${gt_api_version}_libintl"

  dnl If we use NLS figure out what method
  if test "$USE_NLS" = "yes"; then
    gt_use_preinstalled_gnugettext=no
    m4_if(gt_building_libintl_in_same_build_tree, yes, [
      AC_MSG_CHECKING([whether included gettext is requested])
      AC_ARG_WITH([included-gettext],
        [  --with-included-gettext use the GNU gettext library included here],
        nls_cv_force_use_gnu_gettext=$withval,
        nls_cv_force_use_gnu_gettext=no)
      AC_MSG_RESULT([$nls_cv_force_use_gnu_gettext])

      nls_cv_use_gnu_gettext="$nls_cv_force_use_gnu_gettext"
      if test "$nls_cv_force_use_gnu_gettext" != "yes"; then
    ])
        dnl User does not insist on using GNU NLS library.  Figure out what
        dnl to use.  If GNU gettext is available we use this.  Else we have
        dnl to fall back to GNU NLS library.

        if test $gt_api_version -ge 3; then
          gt_revision_test_code='
#ifndef __GNU_GETTEXT_SUPPORTED_REVISION
#define __GNU_GETTEXT_SUPPORTED_REVISION(major) ((major) == 0 ? 0 : -1)
#endif
changequote(,)dnl
typedef int array [2 * (__GNU_GETTEXT_SUPPORTED_REVISION(0) >= 1) - 1];
changequote([,])dnl
'
        else
          gt_revision_test_code=
        fi
        if test $gt_api_version -ge 2; then
          gt_expression_test_code=' + * ngettext ("", "", 0)'
        else
          gt_expression_test_code=
        fi

        AC_CACHE_CHECK([for GNU gettext in libc], [$gt_func_gnugettext_libc],
         [AC_LINK_IFELSE(
            [AC_LANG_PROGRAM(
               [[
#include <libintl.h>
#ifndef __GNU_GETTEXT_SUPPORTED_REVISION
extern int _nl_msg_cat_cntr;
extern int *_nl_domain_bindings;
#define __GNU_GETTEXT_SYMBOL_EXPRESSION (_nl_msg_cat_cntr + *_nl_domain_bindings)
#else
#define __GNU_GETTEXT_SYMBOL_EXPRESSION 0
#endif
$gt_revision_test_code
               ]],
               [[
bindtextdomain ("", "");
return * gettext ("")$gt_expression_test_code + __GNU_GETTEXT_SYMBOL_EXPRESSION
               ]])],
            [eval "$gt_func_gnugettext_libc=yes"],
            [eval "$gt_func_gnugettext_libc=no"])])

        if { eval "gt_val=\$$gt_func_gnugettext_libc"; test "$gt_val" != "yes"; }; then
          dnl Sometimes libintl requires libiconv, so first search for libiconv.
          m4_if(gt_building_libintl_in_same_build_tree, yes, , [
            AM_ICONV_LINK
          ])
          dnl Search for libintl and define LIBINTL, LTLIBINTL and INCINTL
          dnl accordingly. Don't use AC_LIB_LINKFLAGS_BODY([intl],[iconv])
          dnl because that would add "-liconv" to LIBINTL and LTLIBINTL
          dnl even if libiconv doesn't exist.
          AC_LIB_LINKFLAGS_BODY([intl])
          AC_CACHE_CHECK([for GNU gettext in libintl],
            [$gt_func_gnugettext_libintl],
           [gt_save_CPPFLAGS="$CPPFLAGS"
            CPPFLAGS="$CPPFLAGS $INCINTL"
            gt_save_LIBS="$LIBS"
            LIBS="$LIBS $LIBINTL"
            dnl Now see whether libintl exists and does not depend on libiconv.
            AC_LINK_IFELSE(
              [AC_LANG_PROGRAM(
                 [[
#include <libintl.h>
#ifndef __GNU_GETTEXT_SUPPORTED_REVISION
extern int _nl_msg_cat_cntr;
extern
#ifdef __cplusplus
"C"
#endif
const char *_nl_expand_alias (const char *);
#define __GNU_GETTEXT_SYMBOL_EXPRESSION (_nl_msg_cat_cntr + *_nl_expand_alias (""))
#else
#define __GNU_GETTEXT_SYMBOL_EXPRESSION 0
#endif
$gt_revision_test_code
                 ]],
                 [[
bindtextdomain ("", "");
return * gettext ("")$gt_expression_test_code + __GNU_GETTEXT_SYMBOL_EXPRESSION
                 ]])],
              [eval "$gt_func_gnugettext_libintl=yes"],
              [eval "$gt_func_gnugettext_libintl=no"])
            dnl Now see whether libintl exists and depends on libiconv or other
            dnl OS dependent libraries, specifically on macOS and AIX.
            gt_LIBINTL_EXTRA="$INTL_MACOSX_LIBS"
            AC_REQUIRE([AC_CANONICAL_HOST])
            case "$host_os" in
              aix*) gt_LIBINTL_EXTRA="-lpthread" ;;
            esac
            if { eval "gt_val=\$$gt_func_gnugettext_libintl"; test "$gt_val" != yes; } \
               && { test -n "$LIBICONV" || test -n "$gt_LIBINTL_EXTRA"; }; then
              LIBS="$LIBS $LIBICONV $gt_LIBINTL_EXTRA"
              AC_LINK_IFELSE(
                [AC_LANG_PROGRAM(
                   [[
#include <libintl.h>
#ifndef __GNU_GETTEXT_SUPPORTED_REVISION
extern int _nl_msg_cat_cntr;
extern
#ifdef __cplusplus
"C"
#endif
const char *_nl_expand_alias (const char *);
#define __GNU_GETTEXT_SYMBOL_EXPRESSION (_nl_msg_cat_cntr + *_nl_expand_alias (""))
#else
#define __GNU_GETTEXT_SYMBOL_EXPRESSION 0
#endif
$gt_revision_test_code
                   ]],
                   [[
bindtextdomain ("", "");
return * gettext ("")$gt_expression_test_code + __GNU_GETTEXT_SYMBOL_EXPRESSION
                   ]])],
                [LIBINTL="$LIBINTL $LIBICONV $gt_LIBINTL_EXTRA"
                 LTLIBINTL="$LTLIBINTL $LTLIBICONV $gt_LIBINTL_EXTRA"
                 eval "$gt_func_gnugettext_libintl=yes"
                ])
            fi
            CPPFLAGS="$gt_save_CPPFLAGS"
            LIBS="$gt_save_LIBS"])
        fi

        dnl If an already present or preinstalled GNU gettext() is found,
        dnl use it.  But if this macro is used in GNU gettext, and GNU
        dnl gettext is already preinstalled in libintl, we update this
        dnl libintl.  (Cf. the install rule in intl/Makefile.in.)
        if { eval "gt_val=\$$gt_func_gnugettext_libc"; test "$gt_val" = "yes"; } \
           || { { eval "gt_val=\$$gt_func_gnugettext_libintl"; test "$gt_val" = "yes"; } \
                && test "$PACKAGE" != gettext-runtime \
                && test "$PACKAGE" != gettext-tools \
                && test "$PACKAGE" != libintl; }; then
          gt_use_preinstalled_gnugettext=yes
        else
          dnl Reset the values set by searching for libintl.
          LIBINTL=
          LTLIBINTL=
          INCINTL=
        fi

    m4_if(gt_building_libintl_in_same_build_tree, yes, [
        if test "$gt_use_preinstalled_gnugettext" != "yes"; then
          dnl GNU gettext is not found in the C library.
          dnl Fall back on included GNU gettext library.
          nls_cv_use_gnu_gettext=yes
        fi
      fi

      if test "$nls_cv_use_gnu_gettext" = "yes"; then
        dnl Mark actions used to generate GNU NLS library.
        USE_INCLUDED_LIBINTL=yes
        LIBINTL="m4_if([$3],[],\${top_builddir}/intl,[$3])/libintl.la $LIBICONV $LIBTHREAD"
        LTLIBINTL="m4_if([$3],[],\${top_builddir}/intl,[$3])/libintl.la $LTLIBICONV $LTLIBTHREAD"
        LIBS=`echo " $LIBS " | sed -e 's/ -lintl / /' -e 's/^ //' -e 's/ $//'`
      fi

      CATOBJEXT=
      if test "$gt_use_preinstalled_gnugettext" = "yes" \
         || test "$nls_cv_use_gnu_gettext" = "yes"; then
        dnl Mark actions to use GNU gettext tools.
        CATOBJEXT=.gmo
      fi
    ])

    if test -n "$INTL_MACOSX_LIBS"; then
      if test "$gt_use_preinstalled_gnugettext" = "yes" \
         || test "$nls_cv_use_gnu_gettext" = "yes"; then
        dnl Some extra flags are needed during linking.
        LIBINTL="$LIBINTL $INTL_MACOSX_LIBS"
        LTLIBINTL="$LTLIBINTL $INTL_MACOSX_LIBS"
      fi
    fi

    if test "$gt_use_preinstalled_gnugettext" = "yes" \
       || test "$nls_cv_use_gnu_gettext" = "yes"; then
      AC_DEFINE([ENABLE_NLS], [1],
        [Define to 1 if translation of program messages to the user's native language
   is requested.])
    else
      USE_NLS=no
    fi
  fi

  AC_MSG_CHECKING([whether to use NLS])
  AC_MSG_RESULT([$USE_NLS])
  if test "$USE_NLS" = "yes"; then
    AC_MSG_CHECKING([where the gettext function comes from])
    if test "$gt_use_preinstalled_gnugettext" = "yes"; then
      if { eval "gt_val=\$$gt_func_gnugettext_libintl"; test "$gt_val" = "yes"; }; then
        gt_source="external libintl"
      else
        gt_source="libc"
      fi
    else
      gt_source="included intl directory"
    fi
    AC_MSG_RESULT([$gt_source])
  fi

  if test "$USE_NLS" = "yes"; then

    if test "$gt_use_preinstalled_gnugettext" = "yes"; then
      if { eval "gt_val=\$$gt_func_gnugettext_libintl"; test "$gt_val" = "yes"; }; then
        AC_MSG_CHECKING([how to link with libintl])
        AC_MSG_RESULT([$LIBINTL])
        AC_LIB_APPENDTOVAR([CPPFLAGS], [$INCINTL])
      fi

      dnl For backward compatibility. Some packages may be using this.
      AC_DEFINE([HAVE_GETTEXT], [1],
       [Define if the GNU gettext() function is already present or preinstalled.])
      AC_DEFINE([HAVE_DCGETTEXT], [1],
       [Define if the GNU dcgettext() function is already present or preinstalled.])
    fi

    dnl We need to process the po/ directory.
    POSUB=po
  fi

  m4_if(gt_building_libintl_in_same_build_tree, yes, [
    dnl Make all variables we use known to autoconf.
    AC_SUBST([USE_INCLUDED_LIBINTL])
    AC_SUBST([CATOBJEXT])
  ])

  m4_if(gt_building_libintl_in_same_build_tree, yes, [], [
    dnl For backward compatibility. Some Makefiles may be using this.
    INTLLIBS="$LIBINTL"
    AC_SUBST([INTLLIBS])
  ])

  dnl Make all documented variables known to autoconf.
  AC_SUBST([LIBINTL])
  AC_SUBST([LTLIBINTL])
  AC_SUBST([POSUB])

  dnl Define localedir_c and localedir_c_make.
  dnl Find the final value of localedir.
  gt_save_prefix="${prefix}"
  gt_save_datarootdir="${datarootdir}"
  gt_save_localedir="${localedir}"
  dnl Unfortunately, prefix gets only finally determined at the end of
  dnl configure.
  if test "X$prefix" = "XNONE"; then
    prefix="$ac_default_prefix"
  fi
  eval datarootdir="$datarootdir"
  eval localedir="$localedir"
  gl_BUILD_TO_HOST([localedir])
  localedir="${gt_save_localedir}"
  datarootdir="${gt_save_datarootdir}"
  prefix="${gt_save_prefix}"
])
m4trace:m4/gettext.m4:394: -1- AC_DEFUN([AM_GNU_GETTEXT_NEED], [
  m4_divert_text([INIT_PREPARE], [gt_needs="$gt_needs $1"])
])
m4trace:m4/gettext.m4:401: -1- AC_DEFUN([AM_GNU_GETTEXT_VERSION], [])
m4trace:m4/gettext.m4:405: -1- AC_DEFUN([AM_GNU_GETTEXT_REQUIRE_VERSION], [])
m4trace:m4/host-cpu-c-abi.m4:50: -1- AC_DEFUN([gl_HOST_CPU_C_ABI], [
  AC_REQUIRE([AC_CANONICAL_HOST])
  AC_REQUIRE([gl_C_ASM])
  AC_CACHE_CHECK([host CPU and C ABI], [gl_cv_host_cpu_c_abi],
    [case "$host_cpu" in

changequote(,)dnl
       i[34567]86 )
changequote([,])dnl
         gl_cv_host_cpu_c_abi=i386
         ;;

       x86_64 )
         # On x86_64 systems, the C compiler may be generating code in one of
         # these ABIs:
         # - 64-bit instruction set, 64-bit pointers, 64-bit 'long': x86_64.
         # - 64-bit instruction set, 64-bit pointers, 32-bit 'long': x86_64
         #   with native Windows (mingw, MSVC).
         # - 64-bit instruction set, 32-bit pointers, 32-bit 'long': x86_64-x32.
         # - 32-bit instruction set, 32-bit pointers, 32-bit 'long': i386.
         AC_COMPILE_IFELSE(
           [AC_LANG_SOURCE(
              [[#if (defined __x86_64__ || defined __amd64__ \
                     || defined _M_X64 || defined _M_AMD64)
                 int ok;
                #else
                 error fail
                #endif
              ]])],
           [AC_COMPILE_IFELSE(
              [AC_LANG_SOURCE(
                 [[#if defined __ILP32__ || defined _ILP32
                    int ok;
                   #else
                    error fail
                   #endif
                 ]])],
              [gl_cv_host_cpu_c_abi=x86_64-x32],
              [gl_cv_host_cpu_c_abi=x86_64])],
           [gl_cv_host_cpu_c_abi=i386])
         ;;

changequote(,)dnl
       alphaev[4-8] | alphaev56 | alphapca5[67] | alphaev6[78] )
changequote([,])dnl
         gl_cv_host_cpu_c_abi=alpha
         ;;

       arm* | aarch64 )
         # Assume arm with EABI.
         # On arm64 systems, the C compiler may be generating code in one of
         # these ABIs:
         # - aarch64 instruction set, 64-bit pointers, 64-bit 'long': arm64.
         # - aarch64 instruction set, 32-bit pointers, 32-bit 'long': arm64-ilp32.
         # - 32-bit instruction set, 32-bit pointers, 32-bit 'long': arm or armhf.
         AC_COMPILE_IFELSE(
           [AC_LANG_SOURCE(
              [[#ifdef __aarch64__
                 int ok;
                #else
                 error fail
                #endif
              ]])],
           [AC_COMPILE_IFELSE(
              [AC_LANG_SOURCE(
                [[#if defined __ILP32__ || defined _ILP32
                   int ok;
                  #else
                   error fail
                  #endif
                ]])],
              [gl_cv_host_cpu_c_abi=arm64-ilp32],
              [gl_cv_host_cpu_c_abi=arm64])],
           [# Don't distinguish little-endian and big-endian arm, since they
            # don't require different machine code for simple operations and
            # since the user can distinguish them through the preprocessor
            # defines __ARMEL__ vs. __ARMEB__.
            # But distinguish arm which passes floating-point arguments and
            # return values in integer registers (r0, r1, ...) - this is
            # gcc -mfloat-abi=soft or gcc -mfloat-abi=softfp - from arm which
            # passes them in float registers (s0, s1, ...) and double registers
            # (d0, d1, ...) - this is gcc -mfloat-abi=hard. GCC 4.6 or newer
            # sets the preprocessor defines __ARM_PCS (for the first case) and
            # __ARM_PCS_VFP (for the second case), but older GCC does not.
            echo 'double ddd; void func (double dd) { ddd = dd; }' > conftest.c
            # Look for a reference to the register d0 in the .s file.
            AC_TRY_COMMAND(${CC-cc} $CFLAGS $CPPFLAGS $gl_c_asm_opt conftest.c) >/dev/null 2>&1
            if LC_ALL=C grep 'd0,' conftest.$gl_asmext >/dev/null; then
              gl_cv_host_cpu_c_abi=armhf
            else
              gl_cv_host_cpu_c_abi=arm
            fi
            rm -f conftest*
           ])
         ;;

       hppa1.0 | hppa1.1 | hppa2.0* | hppa64 )
         # On hppa, the C compiler may be generating 32-bit code or 64-bit
         # code. In the latter case, it defines _LP64 and __LP64__.
         AC_COMPILE_IFELSE(
           [AC_LANG_SOURCE(
              [[#ifdef __LP64__
                 int ok;
                #else
                 error fail
                #endif
              ]])],
           [gl_cv_host_cpu_c_abi=hppa64],
           [gl_cv_host_cpu_c_abi=hppa])
         ;;

       ia64* )
         # On ia64 on HP-UX, the C compiler may be generating 64-bit code or
         # 32-bit code. In the latter case, it defines _ILP32.
         AC_COMPILE_IFELSE(
           [AC_LANG_SOURCE(
              [[#ifdef _ILP32
                 int ok;
                #else
                 error fail
                #endif
              ]])],
           [gl_cv_host_cpu_c_abi=ia64-ilp32],
           [gl_cv_host_cpu_c_abi=ia64])
         ;;

       mips* )
         # We should also check for (_MIPS_SZPTR == 64), but gcc keeps this
         # at 32.
         AC_COMPILE_IFELSE(
           [AC_LANG_SOURCE(
              [[#if defined _MIPS_SZLONG && (_MIPS_SZLONG == 64)
                 int ok;
                #else
                 error fail
                #endif
              ]])],
           [gl_cv_host_cpu_c_abi=mips64],
           [# In the n32 ABI, _ABIN32 is defined, _ABIO32 is not defined (but
            # may later get defined by <sgidefs.h>), and _MIPS_SIM == _ABIN32.
            # In the 32 ABI, _ABIO32 is defined, _ABIN32 is not defined (but
            # may later get defined by <sgidefs.h>), and _MIPS_SIM == _ABIO32.
            AC_COMPILE_IFELSE(
              [AC_LANG_SOURCE(
                 [[#if (_MIPS_SIM == _ABIN32)
                    int ok;
                   #else
                    error fail
                   #endif
                 ]])],
              [gl_cv_host_cpu_c_abi=mipsn32],
              [gl_cv_host_cpu_c_abi=mips])])
         ;;

       powerpc* )
         # Different ABIs are in use on AIX vs. Mac OS X vs. Linux,*BSD.
         # No need to distinguish them here; the caller may distinguish
         # them based on the OS.
         # On powerpc64 systems, the C compiler may still be generating
         # 32-bit code. And on powerpc-ibm-aix systems, the C compiler may
         # be generating 64-bit code.
         AC_COMPILE_IFELSE(
           [AC_LANG_SOURCE(
              [[#if defined __powerpc64__ || defined __LP64__
                 int ok;
                #else
                 error fail
                #endif
              ]])],
           [# On powerpc64, there are two ABIs on Linux: The AIX compatible
            # one and the ELFv2 one. The latter defines _CALL_ELF=2.
            AC_COMPILE_IFELSE(
              [AC_LANG_SOURCE(
                 [[#if defined _CALL_ELF && _CALL_ELF == 2
                    int ok;
                   #else
                    error fail
                   #endif
                 ]])],
              [gl_cv_host_cpu_c_abi=powerpc64-elfv2],
              [gl_cv_host_cpu_c_abi=powerpc64])
           ],
           [gl_cv_host_cpu_c_abi=powerpc])
         ;;

       rs6000 )
         gl_cv_host_cpu_c_abi=powerpc
         ;;

       riscv32 | riscv64 )
         # There are 2 architectures (with variants): rv32* and rv64*.
         AC_COMPILE_IFELSE(
           [AC_LANG_SOURCE(
              [[#if __riscv_xlen == 64
                  int ok;
                #else
                  error fail
                #endif
              ]])],
           [cpu=riscv64],
           [cpu=riscv32])
         # There are 6 ABIs: ilp32, ilp32f, ilp32d, lp64, lp64f, lp64d.
         # Size of 'long' and 'void *':
         AC_COMPILE_IFELSE(
           [AC_LANG_SOURCE(
              [[#if defined __LP64__
                  int ok;
                #else
                  error fail
                #endif
              ]])],
           [main_abi=lp64],
           [main_abi=ilp32])
         # Float ABIs:
         # __riscv_float_abi_double:
         #   'float' and 'double' are passed in floating-point registers.
         # __riscv_float_abi_single:
         #   'float' are passed in floating-point registers.
         # __riscv_float_abi_soft:
         #   No values are passed in floating-point registers.
         AC_COMPILE_IFELSE(
           [AC_LANG_SOURCE(
              [[#if defined __riscv_float_abi_double
                  int ok;
                #else
                  error fail
                #endif
              ]])],
           [float_abi=d],
           [AC_COMPILE_IFELSE(
              [AC_LANG_SOURCE(
                 [[#if defined __riscv_float_abi_single
                     int ok;
                   #else
                     error fail
                   #endif
                 ]])],
              [float_abi=f],
              [float_abi=''])
           ])
         gl_cv_host_cpu_c_abi="${cpu}-${main_abi}${float_abi}"
         ;;

       s390* )
         # On s390x, the C compiler may be generating 64-bit (= s390x) code
         # or 31-bit (= s390) code.
         AC_COMPILE_IFELSE(
           [AC_LANG_SOURCE(
              [[#if defined __LP64__ || defined __s390x__
                  int ok;
                #else
                  error fail
                #endif
              ]])],
           [gl_cv_host_cpu_c_abi=s390x],
           [gl_cv_host_cpu_c_abi=s390])
         ;;

       sparc | sparc64 )
         # UltraSPARCs running Linux have `uname -m` = "sparc64", but the
         # C compiler still generates 32-bit code.
         AC_COMPILE_IFELSE(
           [AC_LANG_SOURCE(
              [[#if defined __sparcv9 || defined __arch64__
                 int ok;
                #else
                 error fail
                #endif
              ]])],
           [gl_cv_host_cpu_c_abi=sparc64],
           [gl_cv_host_cpu_c_abi=sparc])
         ;;

       *)
         gl_cv_host_cpu_c_abi="$host_cpu"
         ;;
     esac
    ])

  dnl In most cases, $HOST_CPU and $HOST_CPU_C_ABI are the same.
  HOST_CPU=`echo "$gl_cv_host_cpu_c_abi" | sed -e 's/-.*//'`
  HOST_CPU_C_ABI="$gl_cv_host_cpu_c_abi"
  AC_SUBST([HOST_CPU])
  AC_SUBST([HOST_CPU_C_ABI])

  # This was
  #   AC_DEFINE_UNQUOTED([__${HOST_CPU}__])
  #   AC_DEFINE_UNQUOTED([__${HOST_CPU_C_ABI}__])
  # earlier, but KAI C++ 3.2d doesn't like this.
  sed -e 's/-/_/g' >> confdefs.h <<EOF
#ifndef __${HOST_CPU}__
#define __${HOST_CPU}__ 1
#endif
#ifndef __${HOST_CPU_C_ABI}__
#define __${HOST_CPU_C_ABI}__ 1
#endif
EOF
  AH_TOP([/* CPU and C ABI indicator */
#ifndef __i386__
#undef __i386__
#endif
#ifndef __x86_64_x32__
#undef __x86_64_x32__
#endif
#ifndef __x86_64__
#undef __x86_64__
#endif
#ifndef __alpha__
#undef __alpha__
#endif
#ifndef __arm__
#undef __arm__
#endif
#ifndef __armhf__
#undef __armhf__
#endif
#ifndef __arm64_ilp32__
#undef __arm64_ilp32__
#endif
#ifndef __arm64__
#undef __arm64__
#endif
#ifndef __hppa__
#undef __hppa__
#endif
#ifndef __hppa64__
#undef __hppa64__
#endif
#ifndef __ia64_ilp32__
#undef __ia64_ilp32__
#endif
#ifndef __ia64__
#undef __ia64__
#endif
#ifndef __loongarch64__
#undef __loongarch64__
#endif
#ifndef __m68k__
#undef __m68k__
#endif
#ifndef __mips__
#undef __mips__
#endif
#ifndef __mipsn32__
#undef __mipsn32__
#endif
#ifndef __mips64__
#undef __mips64__
#endif
#ifndef __powerpc__
#undef __powerpc__
#endif
#ifndef __powerpc64__
#undef __powerpc64__
#endif
#ifndef __powerpc64_elfv2__
#undef __powerpc64_elfv2__
#endif
#ifndef __riscv32__
#undef __riscv32__
#endif
#ifndef __riscv64__
#undef __riscv64__
#endif
#ifndef __riscv32_ilp32__
#undef __riscv32_ilp32__
#endif
#ifndef __riscv32_ilp32f__
#undef __riscv32_ilp32f__
#endif
#ifndef __riscv32_ilp32d__
#undef __riscv32_ilp32d__
#endif
#ifndef __riscv64_ilp32__
#undef __riscv64_ilp32__
#endif
#ifndef __riscv64_ilp32f__
#undef __riscv64_ilp32f__
#endif
#ifndef __riscv64_ilp32d__
#undef __riscv64_ilp32d__
#endif
#ifndef __riscv64_lp64__
#undef __riscv64_lp64__
#endif
#ifndef __riscv64_lp64f__
#undef __riscv64_lp64f__
#endif
#ifndef __riscv64_lp64d__
#undef __riscv64_lp64d__
#endif
#ifndef __s390__
#undef __s390__
#endif
#ifndef __s390x__
#undef __s390x__
#endif
#ifndef __sh__
#undef __sh__
#endif
#ifndef __sparc__
#undef __sparc__
#endif
#ifndef __sparc64__
#undef __sparc64__
#endif
])

])
m4trace:m4/host-cpu-c-abi.m4:466: -1- AC_DEFUN([gl_HOST_CPU_C_ABI_32BIT], [
  AC_REQUIRE([AC_CANONICAL_HOST])
  AC_CACHE_CHECK([32-bit host C ABI], [gl_cv_host_cpu_c_abi_32bit],
    [if test -n "$gl_cv_host_cpu_c_abi"; then
       dnl gl_HOST_CPU_C_ABI has already been run. Use its result.
       case "$gl_cv_host_cpu_c_abi" in
         i386 | x86_64-x32 | arm | armhf | arm64-ilp32 | hppa | ia64-ilp32 | mips | mipsn32 | powerpc | riscv*-ilp32* | s390 | sparc)
           gl_cv_host_cpu_c_abi_32bit=yes ;;
         x86_64 | alpha | arm64 | aarch64c | hppa64 | ia64 | mips64 | powerpc64 | powerpc64-elfv2 | riscv*-lp64* | s390x | sparc64 )
           gl_cv_host_cpu_c_abi_32bit=no ;;
         *)
           gl_cv_host_cpu_c_abi_32bit=unknown ;;
       esac
     else
       case "$host_cpu" in

         # CPUs that only support a 32-bit ABI.
         arc \
         | bfin \
         | cris* \
         | csky \
         | epiphany \
         | ft32 \
         | h8300 \
         | m68k \
         | microblaze | microblazeel \
         | nds32 | nds32le | nds32be \
         | nios2 | nios2eb | nios2el \
         | or1k* \
         | or32 \
         | sh | sh[1234] | sh[1234]e[lb] \
         | tic6x \
         | xtensa* )
           gl_cv_host_cpu_c_abi_32bit=yes
           ;;

         # CPUs that only support a 64-bit ABI.
changequote(,)dnl
         alpha | alphaev[4-8] | alphaev56 | alphapca5[67] | alphaev6[78] \
         | mmix )
changequote([,])dnl
           gl_cv_host_cpu_c_abi_32bit=no
           ;;

changequote(,)dnl
         i[34567]86 )
changequote([,])dnl
           gl_cv_host_cpu_c_abi_32bit=yes
           ;;

         x86_64 )
           # On x86_64 systems, the C compiler may be generating code in one of
           # these ABIs:
           # - 64-bit instruction set, 64-bit pointers, 64-bit 'long': x86_64.
           # - 64-bit instruction set, 64-bit pointers, 32-bit 'long': x86_64
           #   with native Windows (mingw, MSVC).
           # - 64-bit instruction set, 32-bit pointers, 32-bit 'long': x86_64-x32.
           # - 32-bit instruction set, 32-bit pointers, 32-bit 'long': i386.
           AC_COMPILE_IFELSE(
             [AC_LANG_SOURCE(
                [[#if (defined __x86_64__ || defined __amd64__ \
                       || defined _M_X64 || defined _M_AMD64) \
                      && !(defined __ILP32__ || defined _ILP32)
                   int ok;
                  #else
                   error fail
                  #endif
                ]])],
             [gl_cv_host_cpu_c_abi_32bit=no],
             [gl_cv_host_cpu_c_abi_32bit=yes])
           ;;

         arm* | aarch64 | aarch64c )
           # Assume arm with EABI.
           # On arm64 systems, the C compiler may be generating code in one of
           # these ABIs:
           # - aarch64 instruction set, 64-bit pointers, 64-bit 'long': arm64.
           # - aarch64 instruction set, 32-bit pointers, 32-bit 'long': arm64-ilp32.
           # - 32-bit instruction set, 32-bit pointers, 32-bit 'long': arm or armhf.
           AC_COMPILE_IFELSE(
             [AC_LANG_SOURCE(
                [[#if defined __aarch64__ && !(defined __ILP32__ || defined _ILP32)
                   int ok;
                  #else
                   error fail
                  #endif
                ]])],
             [gl_cv_host_cpu_c_abi_32bit=no],
             [gl_cv_host_cpu_c_abi_32bit=yes])
           ;;

         hppa1.0 | hppa1.1 | hppa2.0* | hppa64 )
           # On hppa, the C compiler may be generating 32-bit code or 64-bit
           # code. In the latter case, it defines _LP64 and __LP64__.
           AC_COMPILE_IFELSE(
             [AC_LANG_SOURCE(
                [[#ifdef __LP64__
                   int ok;
                  #else
                   error fail
                  #endif
                ]])],
             [gl_cv_host_cpu_c_abi_32bit=no],
             [gl_cv_host_cpu_c_abi_32bit=yes])
           ;;

         ia64* )
           # On ia64 on HP-UX, the C compiler may be generating 64-bit code or
           # 32-bit code. In the latter case, it defines _ILP32.
           AC_COMPILE_IFELSE(
             [AC_LANG_SOURCE(
                [[#ifdef _ILP32
                   int ok;
                  #else
                   error fail
                  #endif
                ]])],
             [gl_cv_host_cpu_c_abi_32bit=yes],
             [gl_cv_host_cpu_c_abi_32bit=no])
           ;;

         mips* )
           # We should also check for (_MIPS_SZPTR == 64), but gcc keeps this
           # at 32.
           AC_COMPILE_IFELSE(
             [AC_LANG_SOURCE(
                [[#if defined _MIPS_SZLONG && (_MIPS_SZLONG == 64)
                   int ok;
                  #else
                   error fail
                  #endif
                ]])],
             [gl_cv_host_cpu_c_abi_32bit=no],
             [gl_cv_host_cpu_c_abi_32bit=yes])
           ;;

         powerpc* )
           # Different ABIs are in use on AIX vs. Mac OS X vs. Linux,*BSD.
           # No need to distinguish them here; the caller may distinguish
           # them based on the OS.
           # On powerpc64 systems, the C compiler may still be generating
           # 32-bit code. And on powerpc-ibm-aix systems, the C compiler may
           # be generating 64-bit code.
           AC_COMPILE_IFELSE(
             [AC_LANG_SOURCE(
                [[#if defined __powerpc64__ || defined __LP64__
                   int ok;
                  #else
                   error fail
                  #endif
                ]])],
             [gl_cv_host_cpu_c_abi_32bit=no],
             [gl_cv_host_cpu_c_abi_32bit=yes])
           ;;

         rs6000 )
           gl_cv_host_cpu_c_abi_32bit=yes
           ;;

         riscv32 | riscv64 )
           # There are 6 ABIs: ilp32, ilp32f, ilp32d, lp64, lp64f, lp64d.
           # Size of 'long' and 'void *':
           AC_COMPILE_IFELSE(
             [AC_LANG_SOURCE(
                [[#if defined __LP64__
                    int ok;
                  #else
                    error fail
                  #endif
                ]])],
             [gl_cv_host_cpu_c_abi_32bit=no],
             [gl_cv_host_cpu_c_abi_32bit=yes])
           ;;

         s390* )
           # On s390x, the C compiler may be generating 64-bit (= s390x) code
           # or 31-bit (= s390) code.
           AC_COMPILE_IFELSE(
             [AC_LANG_SOURCE(
                [[#if defined __LP64__ || defined __s390x__
                    int ok;
                  #else
                    error fail
                  #endif
                ]])],
             [gl_cv_host_cpu_c_abi_32bit=no],
             [gl_cv_host_cpu_c_abi_32bit=yes])
           ;;

         sparc | sparc64 )
           # UltraSPARCs running Linux have `uname -m` = "sparc64", but the
           # C compiler still generates 32-bit code.
           AC_COMPILE_IFELSE(
             [AC_LANG_SOURCE(
                [[#if defined __sparcv9 || defined __arch64__
                   int ok;
                  #else
                   error fail
                  #endif
                ]])],
             [gl_cv_host_cpu_c_abi_32bit=no],
             [gl_cv_host_cpu_c_abi_32bit=yes])
           ;;

         *)
           gl_cv_host_cpu_c_abi_32bit=unknown
           ;;
       esac
     fi
    ])

  HOST_CPU_C_ABI_32BIT="$gl_cv_host_cpu_c_abi_32bit"
])
m4trace:m4/iconv.m4:16: -1- AC_DEFUN([AM_ICONV_LINKFLAGS_BODY], [
  dnl Prerequisites of AC_LIB_LINKFLAGS_BODY.
  AC_REQUIRE([AC_LIB_PREPARE_PREFIX])
  AC_REQUIRE([AC_LIB_RPATH])

  dnl Search for libiconv and define LIBICONV, LTLIBICONV and INCICONV
  dnl accordingly.
  AC_LIB_LINKFLAGS_BODY([iconv])
])
m4trace:m4/iconv.m4:27: -1- AC_DEFUN([AM_ICONV_LINK], [
  dnl Some systems have iconv in libc, some have it in libiconv (OSF/1 and
  dnl those with the standalone portable GNU libiconv installed).
  AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles

  dnl Search for libiconv and define LIBICONV, LTLIBICONV and INCICONV
  dnl accordingly.
  AC_REQUIRE([AM_ICONV_LINKFLAGS_BODY])

  dnl Add $INCICONV to CPPFLAGS before performing the following checks,
  dnl because if the user has installed libiconv and not disabled its use
  dnl via --without-libiconv-prefix, he wants to use it. The first
  dnl AC_LINK_IFELSE will then fail, the second AC_LINK_IFELSE will succeed.
  am_save_CPPFLAGS="$CPPFLAGS"
  AC_LIB_APPENDTOVAR([CPPFLAGS], [$INCICONV])

  AC_CACHE_CHECK([for iconv], [am_cv_func_iconv], [
    am_cv_func_iconv="no, consider installing GNU libiconv"
    am_cv_lib_iconv=no
    AC_LINK_IFELSE(
      [AC_LANG_PROGRAM(
         [[
#include <stdlib.h>
#include <iconv.h>
         ]],
         [[iconv_t cd = iconv_open("","");
           iconv(cd,NULL,NULL,NULL,NULL);
           iconv_close(cd);]])],
      [am_cv_func_iconv=yes])
    if test "$am_cv_func_iconv" != yes; then
      am_save_LIBS="$LIBS"
      LIBS="$LIBS $LIBICONV"
      AC_LINK_IFELSE(
        [AC_LANG_PROGRAM(
           [[
#include <stdlib.h>
#include <iconv.h>
           ]],
           [[iconv_t cd = iconv_open("","");
             iconv(cd,NULL,NULL,NULL,NULL);
             iconv_close(cd);]])],
        [am_cv_lib_iconv=yes]
        [am_cv_func_iconv=yes])
      LIBS="$am_save_LIBS"
    fi
  ])
  if test "$am_cv_func_iconv" = yes; then
    AC_CACHE_CHECK([for working iconv], [am_cv_func_iconv_works], [
      dnl This tests against bugs in AIX 5.1, AIX 6.1..7.1, HP-UX 11.11,
      dnl Solaris 10.
      am_save_LIBS="$LIBS"
      if test $am_cv_lib_iconv = yes; then
        LIBS="$LIBS $LIBICONV"
      fi
      am_cv_func_iconv_works=no
      for ac_iconv_const in '' 'const'; do
        AC_RUN_IFELSE(
          [AC_LANG_PROGRAM(
             [[
#include <iconv.h>
#include <string.h>

#ifndef ICONV_CONST
# define ICONV_CONST $ac_iconv_const
#endif
             ]],
             [[int result = 0;
  /* Test against AIX 5.1...7.2 bug: Failures are not distinguishable from
     successful returns.  This is even documented in
     <https://www.ibm.com/support/knowledgecenter/ssw_aix_72/i_bostechref/iconv.html> */
  {
    iconv_t cd_utf8_to_88591 = iconv_open ("ISO8859-1", "UTF-8");
    if (cd_utf8_to_88591 != (iconv_t)(-1))
      {
        static ICONV_CONST char input[] = "\342\202\254"; /* EURO SIGN */
        char buf[10];
        ICONV_CONST char *inptr = input;
        size_t inbytesleft = strlen (input);
        char *outptr = buf;
        size_t outbytesleft = sizeof (buf);
        size_t res = iconv (cd_utf8_to_88591,
                            &inptr, &inbytesleft,
                            &outptr, &outbytesleft);
        if (res == 0)
          result |= 1;
        iconv_close (cd_utf8_to_88591);
      }
  }
  /* Test against Solaris 10 bug: Failures are not distinguishable from
     successful returns.  */
  {
    iconv_t cd_ascii_to_88591 = iconv_open ("ISO8859-1", "646");
    if (cd_ascii_to_88591 != (iconv_t)(-1))
      {
        static ICONV_CONST char input[] = "\263";
        char buf[10];
        ICONV_CONST char *inptr = input;
        size_t inbytesleft = strlen (input);
        char *outptr = buf;
        size_t outbytesleft = sizeof (buf);
        size_t res = iconv (cd_ascii_to_88591,
                            &inptr, &inbytesleft,
                            &outptr, &outbytesleft);
        if (res == 0)
          result |= 2;
        iconv_close (cd_ascii_to_88591);
      }
  }
  /* Test against AIX 6.1..7.1 bug: Buffer overrun.  */
  {
    iconv_t cd_88591_to_utf8 = iconv_open ("UTF-8", "ISO-8859-1");
    if (cd_88591_to_utf8 != (iconv_t)(-1))
      {
        static ICONV_CONST char input[] = "\304";
        static char buf[2] = { (char)0xDE, (char)0xAD };
        ICONV_CONST char *inptr = input;
        size_t inbytesleft = 1;
        char *outptr = buf;
        size_t outbytesleft = 1;
        size_t res = iconv (cd_88591_to_utf8,
                            &inptr, &inbytesleft,
                            &outptr, &outbytesleft);
        if (res != (size_t)(-1) || outptr - buf > 1 || buf[1] != (char)0xAD)
          result |= 4;
        iconv_close (cd_88591_to_utf8);
      }
  }
#if 0 /* This bug could be worked around by the caller.  */
  /* Test against HP-UX 11.11 bug: Positive return value instead of 0.  */
  {
    iconv_t cd_88591_to_utf8 = iconv_open ("utf8", "iso88591");
    if (cd_88591_to_utf8 != (iconv_t)(-1))
      {
        static ICONV_CONST char input[] = "\304rger mit b\366sen B\374bchen ohne Augenma\337";
        char buf[50];
        ICONV_CONST char *inptr = input;
        size_t inbytesleft = strlen (input);
        char *outptr = buf;
        size_t outbytesleft = sizeof (buf);
        size_t res = iconv (cd_88591_to_utf8,
                            &inptr, &inbytesleft,
                            &outptr, &outbytesleft);
        if ((int)res > 0)
          result |= 8;
        iconv_close (cd_88591_to_utf8);
      }
  }
#endif
  /* Test against HP-UX 11.11 bug: No converter from EUC-JP to UTF-8 is
     provided.  */
  {
    /* Try standardized names.  */
    iconv_t cd1 = iconv_open ("UTF-8", "EUC-JP");
    /* Try IRIX, OSF/1 names.  */
    iconv_t cd2 = iconv_open ("UTF-8", "eucJP");
    /* Try AIX names.  */
    iconv_t cd3 = iconv_open ("UTF-8", "IBM-eucJP");
    /* Try HP-UX names.  */
    iconv_t cd4 = iconv_open ("utf8", "eucJP");
    if (cd1 == (iconv_t)(-1) && cd2 == (iconv_t)(-1)
        && cd3 == (iconv_t)(-1) && cd4 == (iconv_t)(-1))
      result |= 16;
    if (cd1 != (iconv_t)(-1))
      iconv_close (cd1);
    if (cd2 != (iconv_t)(-1))
      iconv_close (cd2);
    if (cd3 != (iconv_t)(-1))
      iconv_close (cd3);
    if (cd4 != (iconv_t)(-1))
      iconv_close (cd4);
  }
  return result;
]])],
          [am_cv_func_iconv_works=yes], ,
          [case "$host_os" in
             aix* | hpux*) am_cv_func_iconv_works="guessing no" ;;
             *)            am_cv_func_iconv_works="guessing yes" ;;
           esac])
        test "$am_cv_func_iconv_works" = no || break
      done
      LIBS="$am_save_LIBS"
    ])
    case "$am_cv_func_iconv_works" in
      *no) am_func_iconv=no am_cv_lib_iconv=no ;;
      *)   am_func_iconv=yes ;;
    esac
  else
    am_func_iconv=no am_cv_lib_iconv=no
  fi
  if test "$am_func_iconv" = yes; then
    AC_DEFINE([HAVE_ICONV], [1],
      [Define if you have the iconv() function and it works.])
  fi
  if test "$am_cv_lib_iconv" = yes; then
    AC_MSG_CHECKING([how to link with libiconv])
    AC_MSG_RESULT([$LIBICONV])
  else
    dnl If $LIBICONV didn't lead to a usable library, we don't need $INCICONV
    dnl either.
    CPPFLAGS="$am_save_CPPFLAGS"
    LIBICONV=
    LTLIBICONV=
  fi
  AC_SUBST([LIBICONV])
  AC_SUBST([LTLIBICONV])
])
m4trace:m4/iconv.m4:237: -1- AC_DEFUN_ONCE([AM_ICONV], [
  AM_ICONV_LINK
  if test "$am_cv_func_iconv" = yes; then
    AC_CACHE_CHECK([whether iconv is compatible with its POSIX signature],
      [gl_cv_iconv_nonconst],
      [AC_COMPILE_IFELSE(
         [AC_LANG_PROGRAM(
            [[
#include <stdlib.h>
#include <iconv.h>
extern
#ifdef __cplusplus
"C"
#endif
size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
            ]],
            [[]])],
         [gl_cv_iconv_nonconst=yes],
         [gl_cv_iconv_nonconst=no])
      ])
  else
    dnl When compiling GNU libiconv on a system that does not have iconv yet,
    dnl pick the POSIX compliant declaration without 'const'.
    gl_cv_iconv_nonconst=yes
  fi
  if test $gl_cv_iconv_nonconst = yes; then
    iconv_arg1=""
  else
    iconv_arg1="const"
  fi
  AC_DEFINE_UNQUOTED([ICONV_CONST], [$iconv_arg1],
    [Define as const if the declaration of iconv() needs const.])
  dnl Also substitute ICONV_CONST in the gnulib generated <iconv.h>.
  m4_ifdef([gl_ICONV_H_DEFAULTS],
    [AC_REQUIRE([gl_ICONV_H_DEFAULTS])
     if test $gl_cv_iconv_nonconst != yes; then
       ICONV_CONST="const"
     fi
    ])

  dnl A summary result, for those packages which want to print a summary at the
  dnl end of the configuration.
  if test "$am_func_iconv" = yes; then
    if test -n "$LIBICONV"; then
      am_cv_func_iconv_summary='yes, in libiconv'
    else
      am_cv_func_iconv_summary='yes, in libc'
    fi
  else
    if test "$am_cv_func_iconv" = yes; then
      am_cv_func_iconv_summary='not working, consider installing GNU libiconv'
    else
      am_cv_func_iconv_summary='no, consider installing GNU libiconv'
    fi
  fi
])
m4trace:m4/intlmacosx.m4:18: -1- AC_DEFUN([gt_INTL_MACOSX], [
  dnl Check for API introduced in Mac OS X 10.4.
  AC_CACHE_CHECK([for CFPreferencesCopyAppValue],
    [gt_cv_func_CFPreferencesCopyAppValue],
    [gt_save_LIBS="$LIBS"
     LIBS="$LIBS -Wl,-framework -Wl,CoreFoundation"
     AC_LINK_IFELSE(
       [AC_LANG_PROGRAM(
          [[#include <CoreFoundation/CFPreferences.h>]],
          [[CFPreferencesCopyAppValue(NULL, NULL)]])],
       [gt_cv_func_CFPreferencesCopyAppValue=yes],
       [gt_cv_func_CFPreferencesCopyAppValue=no])
     LIBS="$gt_save_LIBS"])
  if test $gt_cv_func_CFPreferencesCopyAppValue = yes; then
    AC_DEFINE([HAVE_CFPREFERENCESCOPYAPPVALUE], [1],
      [Define to 1 if you have the Mac OS X function CFPreferencesCopyAppValue in the CoreFoundation framework.])
  fi
  dnl Don't check for the API introduced in Mac OS X 10.5, CFLocaleCopyCurrent,
  dnl because in macOS 10.13.4 it has the following behaviour:
  dnl When two or more languages are specified in the
  dnl "System Preferences > Language & Region > Preferred Languages" panel,
  dnl it returns en_CC where CC is the territory (even when English is not among
  dnl the preferred languages!).  What we want instead is what
  dnl CFLocaleCopyCurrent returned in earlier macOS releases and what
  dnl CFPreferencesCopyAppValue still returns, namely ll_CC where ll is the
  dnl first among the preferred languages and CC is the territory.
  AC_CACHE_CHECK([for CFLocaleCopyPreferredLanguages], [gt_cv_func_CFLocaleCopyPreferredLanguages],
    [gt_save_LIBS="$LIBS"
     LIBS="$LIBS -Wl,-framework -Wl,CoreFoundation"
     AC_LINK_IFELSE(
       [AC_LANG_PROGRAM(
          [[#include <CoreFoundation/CFLocale.h>]],
          [[CFLocaleCopyPreferredLanguages();]])],
       [gt_cv_func_CFLocaleCopyPreferredLanguages=yes],
       [gt_cv_func_CFLocaleCopyPreferredLanguages=no])
     LIBS="$gt_save_LIBS"])
  if test $gt_cv_func_CFLocaleCopyPreferredLanguages = yes; then
    AC_DEFINE([HAVE_CFLOCALECOPYPREFERREDLANGUAGES], [1],
      [Define to 1 if you have the Mac OS X function CFLocaleCopyPreferredLanguages in the CoreFoundation framework.])
  fi
  INTL_MACOSX_LIBS=
  if test $gt_cv_func_CFPreferencesCopyAppValue = yes \
     || test $gt_cv_func_CFLocaleCopyPreferredLanguages = yes; then
    dnl Starting with macOS version 14, CoreFoundation relies on CoreServices,
    dnl and we have to link it in explicitly, otherwise an exception
    dnl NSInvalidArgumentException "unrecognized selector sent to instance"
    dnl occurs.
    INTL_MACOSX_LIBS="-Wl,-framework -Wl,CoreFoundation -Wl,-framework -Wl,CoreServices"
  fi
  AC_SUBST([INTL_MACOSX_LIBS])
])
m4trace:m4/lib-ld.m4:12: -1- AC_DEFUN([AC_LIB_PROG_LD_GNU], [AC_CACHE_CHECK([if the linker ($LD) is GNU ld], [acl_cv_prog_gnu_ld],
[# I'd rather use --version here, but apparently some GNU lds only accept -v.
case `$LD -v 2>&1 </dev/null` in
*GNU* | *'with BFD'*)
  acl_cv_prog_gnu_ld=yes
  ;;
*)
  acl_cv_prog_gnu_ld=no
  ;;
esac])
with_gnu_ld=$acl_cv_prog_gnu_ld
])
m4trace:m4/lib-ld.m4:27: -1- AC_DEFUN([AC_LIB_PROG_LD], [AC_REQUIRE([AC_PROG_CC])dnl
AC_REQUIRE([AC_CANONICAL_HOST])dnl

AC_ARG_WITH([gnu-ld],
    [AS_HELP_STRING([[--with-gnu-ld]],
        [assume the C compiler uses GNU ld [default=no]])],
    [test "$withval" = no || with_gnu_ld=yes],
    [with_gnu_ld=no])dnl

# Prepare PATH_SEPARATOR.
# The user is always right.
if test "${PATH_SEPARATOR+set}" != set; then
  # Determine PATH_SEPARATOR by trying to find /bin/sh in a PATH which
  # contains only /bin. Note that ksh looks also at the FPATH variable,
  # so we have to set that as well for the test.
  PATH_SEPARATOR=:
  (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 \
    && { (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 \
           || PATH_SEPARATOR=';'
       }
fi

if test -n "$LD"; then
  AC_MSG_CHECKING([for ld])
elif test "$GCC" = yes; then
  AC_MSG_CHECKING([for ld used by $CC])
elif test "$with_gnu_ld" = yes; then
  AC_MSG_CHECKING([for GNU ld])
else
  AC_MSG_CHECKING([for non-GNU ld])
fi
if test -n "$LD"; then
  # Let the user override the test with a path.
  :
else
  AC_CACHE_VAL([acl_cv_path_LD],
  [
    acl_cv_path_LD= # Final result of this test
    ac_prog=ld # Program to search in $PATH
    if test "$GCC" = yes; then
      # Check if gcc -print-prog-name=ld gives a path.
      case $host in
        *-*-mingw* | windows*)
          # gcc leaves a trailing carriage return which upsets mingw
          acl_output=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;;
        *)
          acl_output=`($CC -print-prog-name=ld) 2>&5` ;;
      esac
      case $acl_output in
        # Accept absolute paths.
        [[\\/]]* | ?:[[\\/]]*)
          re_direlt='/[[^/]][[^/]]*/\.\./'
          # Canonicalize the pathname of ld
          acl_output=`echo "$acl_output" | sed 's%\\\\%/%g'`
          while echo "$acl_output" | grep "$re_direlt" > /dev/null 2>&1; do
            acl_output=`echo $acl_output | sed "s%$re_direlt%/%"`
          done
          # Got the pathname. No search in PATH is needed.
          acl_cv_path_LD="$acl_output"
          ac_prog=
          ;;
        "")
          # If it fails, then pretend we aren't using GCC.
          ;;
        *)
          # If it is relative, then search for the first ld in PATH.
          with_gnu_ld=unknown
          ;;
      esac
    fi
    if test -n "$ac_prog"; then
      # Search for $ac_prog in $PATH.
      acl_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
      for ac_dir in $PATH; do
        IFS="$acl_save_ifs"
        test -z "$ac_dir" && ac_dir=.
        if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
          acl_cv_path_LD="$ac_dir/$ac_prog"
          # Check to see if the program is GNU ld.  I'd rather use --version,
          # but apparently some variants of GNU ld only accept -v.
          # Break only if it was the GNU/non-GNU ld that we prefer.
          case `"$acl_cv_path_LD" -v 2>&1 </dev/null` in
            *GNU* | *'with BFD'*)
              test "$with_gnu_ld" != no && break
              ;;
            *)
              test "$with_gnu_ld" != yes && break
              ;;
          esac
        fi
      done
      IFS="$acl_save_ifs"
    fi
    case $host in
      *-*-aix*)
        AC_COMPILE_IFELSE(
          [AC_LANG_SOURCE(
             [[#if defined __powerpc64__ || defined __LP64__
                int ok;
               #else
                error fail
               #endif
             ]])],
          [# The compiler produces 64-bit code. Add option '-b64' so that the
           # linker groks 64-bit object files.
           case "$acl_cv_path_LD " in
             *" -b64 "*) ;;
             *) acl_cv_path_LD="$acl_cv_path_LD -b64" ;;
           esac
          ], [])
        ;;
      sparc64-*-netbsd*)
        AC_COMPILE_IFELSE(
          [AC_LANG_SOURCE(
             [[#if defined __sparcv9 || defined __arch64__
                int ok;
               #else
                error fail
               #endif
             ]])],
          [],
          [# The compiler produces 32-bit code. Add option '-m elf32_sparc'
           # so that the linker groks 32-bit object files.
           case "$acl_cv_path_LD " in
             *" -m elf32_sparc "*) ;;
             *) acl_cv_path_LD="$acl_cv_path_LD -m elf32_sparc" ;;
           esac
          ])
        ;;
    esac
  ])
  LD="$acl_cv_path_LD"
fi
if test -n "$LD"; then
  AC_MSG_RESULT([$LD])
else
  AC_MSG_RESULT([no])
  AC_MSG_ERROR([no acceptable ld found in \$PATH])
fi
AC_LIB_PROG_LD_GNU
])
m4trace:m4/lib-link.m4:17: -1- AC_DEFUN([AC_LIB_LINKFLAGS], [
  AC_REQUIRE([AC_LIB_PREPARE_PREFIX])
  AC_REQUIRE([AC_LIB_RPATH])
  pushdef([Name],[m4_translit([$1],[./+-], [____])])
  pushdef([NAME],[m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./+-],
                                   [ABCDEFGHIJKLMNOPQRSTUVWXYZ____])])
  AC_CACHE_CHECK([how to link with lib[]$1], [ac_cv_lib[]Name[]_libs], [
    AC_LIB_LINKFLAGS_BODY([$1], [$2])
    ac_cv_lib[]Name[]_libs="$LIB[]NAME"
    ac_cv_lib[]Name[]_ltlibs="$LTLIB[]NAME"
    ac_cv_lib[]Name[]_cppflags="$INC[]NAME"
    ac_cv_lib[]Name[]_prefix="$LIB[]NAME[]_PREFIX"
  ])
  LIB[]NAME="$ac_cv_lib[]Name[]_libs"
  LTLIB[]NAME="$ac_cv_lib[]Name[]_ltlibs"
  INC[]NAME="$ac_cv_lib[]Name[]_cppflags"
  LIB[]NAME[]_PREFIX="$ac_cv_lib[]Name[]_prefix"
  AC_LIB_APPENDTOVAR([CPPFLAGS], [$INC]NAME)
  AC_SUBST([LIB]NAME)
  AC_SUBST([LTLIB]NAME)
  AC_SUBST([LIB]NAME[_PREFIX])
  dnl Also set HAVE_LIB[]NAME so that AC_LIB_HAVE_LINKFLAGS can reuse the
  dnl results of this search when this library appears as a dependency.
  HAVE_LIB[]NAME=yes
  popdef([NAME])
  popdef([Name])
])
m4trace:m4/lib-link.m4:57: -1- AC_DEFUN([AC_LIB_HAVE_LINKFLAGS], [
  AC_REQUIRE([AC_LIB_PREPARE_PREFIX])
  AC_REQUIRE([AC_LIB_RPATH])
  pushdef([Name],[m4_translit([$1],[./+-], [____])])
  pushdef([NAME],[m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./+-],
                                   [ABCDEFGHIJKLMNOPQRSTUVWXYZ____])])

  dnl Search for lib[]Name and define LIB[]NAME, LTLIB[]NAME and INC[]NAME
  dnl accordingly.
  AC_LIB_LINKFLAGS_BODY([$1], [$2])

  dnl Add $INC[]NAME to CPPFLAGS before performing the following checks,
  dnl because if the user has installed lib[]Name and not disabled its use
  dnl via --without-lib[]Name-prefix, he wants to use it.
  ac_save_CPPFLAGS="$CPPFLAGS"
  AC_LIB_APPENDTOVAR([CPPFLAGS], [$INC]NAME)

  AC_CACHE_CHECK([for lib[]$1], [ac_cv_lib[]Name], [
    ac_save_LIBS="$LIBS"
    dnl If $LIB[]NAME contains some -l options, add it to the end of LIBS,
    dnl because these -l options might require -L options that are present in
    dnl LIBS. -l options benefit only from the -L options listed before it.
    dnl Otherwise, add it to the front of LIBS, because it may be a static
    dnl library that depends on another static library that is present in LIBS.
    dnl Static libraries benefit only from the static libraries listed after
    dnl it.
    case " $LIB[]NAME" in
      *" -l"*) LIBS="$LIBS $LIB[]NAME" ;;
      *)       LIBS="$LIB[]NAME $LIBS" ;;
    esac
    AC_LINK_IFELSE(
      [AC_LANG_PROGRAM([[$3]], [[$4]])],
      [ac_cv_lib[]Name=yes],
      [ac_cv_lib[]Name='m4_if([$5], [], [no], [[$5]])'])
    LIBS="$ac_save_LIBS"
  ])
  if test "$ac_cv_lib[]Name" = yes; then
    HAVE_LIB[]NAME=yes
    AC_DEFINE([HAVE_LIB]NAME, 1, [Define if you have the lib][$1 library.])
    AC_MSG_CHECKING([how to link with lib[]$1])
    AC_MSG_RESULT([$LIB[]NAME])
  else
    HAVE_LIB[]NAME=no
    dnl If $LIB[]NAME didn't lead to a usable library, we don't need
    dnl $INC[]NAME either.
    CPPFLAGS="$ac_save_CPPFLAGS"
    LIB[]NAME=
    LTLIB[]NAME=
    LIB[]NAME[]_PREFIX=
  fi
  AC_SUBST([HAVE_LIB]NAME)
  AC_SUBST([LIB]NAME)
  AC_SUBST([LTLIB]NAME)
  AC_SUBST([LIB]NAME[_PREFIX])
  popdef([NAME])
  popdef([Name])
])
m4trace:m4/lib-link.m4:125: -1- AC_DEFUN([AC_LIB_RPATH], [
  dnl Complain if config.rpath is missing.
  AC_REQUIRE_AUX_FILE([config.rpath])
  AC_REQUIRE([AC_PROG_CC])                dnl we use $CC, $GCC, $LDFLAGS
  AC_REQUIRE([AC_LIB_PROG_LD])            dnl we use $LD, $with_gnu_ld
  AC_REQUIRE([AC_CANONICAL_HOST])         dnl we use $host
  AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT]) dnl we use $ac_aux_dir
  AC_CACHE_CHECK([for shared library run path origin], [acl_cv_rpath], [
    CC="$CC" GCC="$GCC" LDFLAGS="$LDFLAGS" LD="$LD" with_gnu_ld="$with_gnu_ld" \
    ${CONFIG_SHELL-/bin/sh} "$ac_aux_dir/config.rpath" "$host" > conftest.sh
    . ./conftest.sh
    rm -f ./conftest.sh
    acl_cv_rpath=done
  ])
  wl="$acl_cv_wl"
  acl_libext="$acl_cv_libext"
  acl_shlibext="$acl_cv_shlibext"
  acl_libname_spec="$acl_cv_libname_spec"
  acl_library_names_spec="$acl_cv_library_names_spec"
  acl_hardcode_libdir_flag_spec="$acl_cv_hardcode_libdir_flag_spec"
  acl_hardcode_libdir_separator="$acl_cv_hardcode_libdir_separator"
  acl_hardcode_direct="$acl_cv_hardcode_direct"
  acl_hardcode_minus_L="$acl_cv_hardcode_minus_L"
  dnl Determine whether the user wants rpath handling at all.
  AC_ARG_ENABLE([rpath],
    [  --disable-rpath         do not hardcode runtime library paths],
    :, enable_rpath=yes)
])
m4trace:m4/lib-link.m4:161: -1- AC_DEFUN([AC_LIB_FROMPACKAGE], [
  pushdef([NAME],[m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./+-],
                                   [ABCDEFGHIJKLMNOPQRSTUVWXYZ____])])
  define([acl_frompackage_]NAME, [$2])
  popdef([NAME])
  pushdef([PACK],[$2])
  pushdef([PACKUP],[m4_translit(PACK,[abcdefghijklmnopqrstuvwxyz./+-],
                                     [ABCDEFGHIJKLMNOPQRSTUVWXYZ____])])
  define([acl_libsinpackage_]PACKUP,
    m4_ifdef([acl_libsinpackage_]PACKUP, [m4_defn([acl_libsinpackage_]PACKUP)[, ]],)[lib$1])
  popdef([PACKUP])
  popdef([PACK])
])
m4trace:m4/lib-link.m4:181: -1- AC_DEFUN([AC_LIB_LINKFLAGS_BODY], [
  AC_REQUIRE([AC_LIB_PREPARE_MULTILIB])
  pushdef([NAME],[m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./+-],
                                   [ABCDEFGHIJKLMNOPQRSTUVWXYZ____])])
  pushdef([PACK],[m4_ifdef([acl_frompackage_]NAME, [acl_frompackage_]NAME, lib[$1])])
  pushdef([PACKUP],[m4_translit(PACK,[abcdefghijklmnopqrstuvwxyz./+-],
                                     [ABCDEFGHIJKLMNOPQRSTUVWXYZ____])])
  pushdef([PACKLIBS],[m4_ifdef([acl_frompackage_]NAME, [acl_libsinpackage_]PACKUP, lib[$1])])
  dnl By default, look in $includedir and $libdir.
  use_additional=yes
  AC_LIB_WITH_FINAL_PREFIX([
    eval additional_includedir=\"$includedir\"
    eval additional_libdir=\"$libdir\"
    eval additional_libdir2=\"$exec_prefix/$acl_libdirstem2\"
    eval additional_libdir3=\"$exec_prefix/$acl_libdirstem3\"
  ])
  AC_ARG_WITH(PACK[-prefix],
[[  --with-]]PACK[[-prefix[=DIR]  search for ]]PACKLIBS[[ in DIR/include and DIR/lib
  --without-]]PACK[[-prefix     don't search for ]]PACKLIBS[[ in includedir and libdir]],
[
    if test "X$withval" = "Xno"; then
      use_additional=no
    else
      if test "X$withval" = "X"; then
        AC_LIB_WITH_FINAL_PREFIX([
          eval additional_includedir=\"$includedir\"
          eval additional_libdir=\"$libdir\"
          eval additional_libdir2=\"$exec_prefix/$acl_libdirstem2\"
          eval additional_libdir3=\"$exec_prefix/$acl_libdirstem3\"
        ])
      else
        additional_includedir="$withval/include"
        additional_libdir="$withval/$acl_libdirstem"
        additional_libdir2="$withval/$acl_libdirstem2"
        additional_libdir3="$withval/$acl_libdirstem3"
      fi
    fi
])
  if test "X$additional_libdir2" = "X$additional_libdir"; then
    additional_libdir2=
  fi
  if test "X$additional_libdir3" = "X$additional_libdir"; then
    additional_libdir3=
  fi
  dnl Search the library and its dependencies in $additional_libdir and
  dnl $LDFLAGS. Use breadth-first search.
  LIB[]NAME=
  LTLIB[]NAME=
  INC[]NAME=
  LIB[]NAME[]_PREFIX=
  dnl HAVE_LIB${NAME} is an indicator that LIB${NAME}, LTLIB${NAME} have been
  dnl computed. So it has to be reset here.
  HAVE_LIB[]NAME=
  rpathdirs=
  ltrpathdirs=
  names_already_handled=
  names_next_round='$1 $2'
  while test -n "$names_next_round"; do
    names_this_round="$names_next_round"
    names_next_round=
    for name in $names_this_round; do
      already_handled=
      for n in $names_already_handled; do
        if test "$n" = "$name"; then
          already_handled=yes
          break
        fi
      done
      if test -z "$already_handled"; then
        names_already_handled="$names_already_handled $name"
        dnl See if it was already located by an earlier AC_LIB_LINKFLAGS
        dnl or AC_LIB_HAVE_LINKFLAGS call.
        uppername=`echo "$name" | sed -e 'y|abcdefghijklmnopqrstuvwxyz./+-|ABCDEFGHIJKLMNOPQRSTUVWXYZ____|'`
        eval value=\"\$HAVE_LIB$uppername\"
        if test -n "$value"; then
          if test "$value" = yes; then
            eval value=\"\$LIB$uppername\"
            test -z "$value" || LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$value"
            eval value=\"\$LTLIB$uppername\"
            test -z "$value" || LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }$value"
          else
            dnl An earlier call to AC_LIB_HAVE_LINKFLAGS has determined
            dnl that this library doesn't exist. So just drop it.
            :
          fi
        else
          dnl Search the library lib$name in $additional_libdir and $LDFLAGS
          dnl and the already constructed $LIBNAME/$LTLIBNAME.
          found_dir=
          found_la=
          found_so=
          found_a=
          eval libname=\"$acl_libname_spec\"    # typically: libname=lib$name
          if test -n "$acl_shlibext"; then
            shrext=".$acl_shlibext"             # typically: shrext=.so
          else
            shrext=
          fi
          if test $use_additional = yes; then
            for additional_libdir_variable in additional_libdir additional_libdir2 additional_libdir3; do
              if test "X$found_dir" = "X"; then
                eval dir=\$$additional_libdir_variable
                if test -n "$dir"; then
                  dnl The same code as in the loop below:
                  dnl First look for a shared library.
                  if test -n "$acl_shlibext"; then
                    if test -f "$dir/$libname$shrext" && acl_is_expected_elfclass < "$dir/$libname$shrext"; then
                      found_dir="$dir"
                      found_so="$dir/$libname$shrext"
                    else
                      if test "$acl_library_names_spec" = '$libname$shrext$versuffix'; then
                        ver=`(cd "$dir" && \
                              for f in "$libname$shrext".*; do echo "$f"; done \
                              | sed -e "s,^$libname$shrext\\\\.,," \
                              | sort -t '.' -n -r -k1,1 -k2,2 -k3,3 -k4,4 -k5,5 \
                              | sed 1q ) 2>/dev/null`
                        if test -n "$ver" && test -f "$dir/$libname$shrext.$ver" && acl_is_expected_elfclass < "$dir/$libname$shrext.$ver"; then
                          found_dir="$dir"
                          found_so="$dir/$libname$shrext.$ver"
                        fi
                      else
                        eval library_names=\"$acl_library_names_spec\"
                        for f in $library_names; do
                          if test -f "$dir/$f" && acl_is_expected_elfclass < "$dir/$f"; then
                            found_dir="$dir"
                            found_so="$dir/$f"
                            break
                          fi
                        done
                      fi
                    fi
                  fi
                  dnl Then look for a static library.
                  if test "X$found_dir" = "X"; then
                    if test -f "$dir/$libname.$acl_libext" && ${AR-ar} -p "$dir/$libname.$acl_libext" | acl_is_expected_elfclass; then
                      found_dir="$dir"
                      found_a="$dir/$libname.$acl_libext"
                    fi
                  fi
                  if test "X$found_dir" != "X"; then
                    if test -f "$dir/$libname.la"; then
                      found_la="$dir/$libname.la"
                    fi
                  fi
                fi
              fi
            done
          fi
          if test "X$found_dir" = "X"; then
            for x in $LDFLAGS $LTLIB[]NAME; do
              AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
              case "$x" in
                -L*)
                  dir=`echo "X$x" | sed -e 's/^X-L//'`
                  dnl First look for a shared library.
                  if test -n "$acl_shlibext"; then
                    if test -f "$dir/$libname$shrext" && acl_is_expected_elfclass < "$dir/$libname$shrext"; then
                      found_dir="$dir"
                      found_so="$dir/$libname$shrext"
                    else
                      if test "$acl_library_names_spec" = '$libname$shrext$versuffix'; then
                        ver=`(cd "$dir" && \
                              for f in "$libname$shrext".*; do echo "$f"; done \
                              | sed -e "s,^$libname$shrext\\\\.,," \
                              | sort -t '.' -n -r -k1,1 -k2,2 -k3,3 -k4,4 -k5,5 \
                              | sed 1q ) 2>/dev/null`
                        if test -n "$ver" && test -f "$dir/$libname$shrext.$ver" && acl_is_expected_elfclass < "$dir/$libname$shrext.$ver"; then
                          found_dir="$dir"
                          found_so="$dir/$libname$shrext.$ver"
                        fi
                      else
                        eval library_names=\"$acl_library_names_spec\"
                        for f in $library_names; do
                          if test -f "$dir/$f" && acl_is_expected_elfclass < "$dir/$f"; then
                            found_dir="$dir"
                            found_so="$dir/$f"
                            break
                          fi
                        done
                      fi
                    fi
                  fi
                  dnl Then look for a static library.
                  if test "X$found_dir" = "X"; then
                    if test -f "$dir/$libname.$acl_libext" && ${AR-ar} -p "$dir/$libname.$acl_libext" | acl_is_expected_elfclass; then
                      found_dir="$dir"
                      found_a="$dir/$libname.$acl_libext"
                    fi
                  fi
                  if test "X$found_dir" != "X"; then
                    if test -f "$dir/$libname.la"; then
                      found_la="$dir/$libname.la"
                    fi
                  fi
                  ;;
              esac
              if test "X$found_dir" != "X"; then
                break
              fi
            done
          fi
          if test "X$found_dir" != "X"; then
            dnl Found the library.
            LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-L$found_dir -l$name"
            if test "X$found_so" != "X"; then
              dnl Linking with a shared library. We attempt to hardcode its
              dnl directory into the executable's runpath, unless it's the
              dnl standard /usr/lib.
              if test "$enable_rpath" = no \
                 || test "X$found_dir" = "X/usr/$acl_libdirstem" \
                 || test "X$found_dir" = "X/usr/$acl_libdirstem2" \
                 || test "X$found_dir" = "X/usr/$acl_libdirstem3"; then
                dnl No hardcoding is needed.
                LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so"
              else
                dnl Use an explicit option to hardcode DIR into the resulting
                dnl binary.
                dnl Potentially add DIR to ltrpathdirs.
                dnl The ltrpathdirs will be appended to $LTLIBNAME at the end.
                haveit=
                for x in $ltrpathdirs; do
                  if test "X$x" = "X$found_dir"; then
                    haveit=yes
                    break
                  fi
                done
                if test -z "$haveit"; then
                  ltrpathdirs="$ltrpathdirs $found_dir"
                fi
                dnl The hardcoding into $LIBNAME is system dependent.
                if test "$acl_hardcode_direct" = yes; then
                  dnl Using DIR/libNAME.so during linking hardcodes DIR into the
                  dnl resulting binary.
                  LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so"
                else
                  if test -n "$acl_hardcode_libdir_flag_spec" && test "$acl_hardcode_minus_L" = no; then
                    dnl Use an explicit option to hardcode DIR into the resulting
                    dnl binary.
                    LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so"
                    dnl Potentially add DIR to rpathdirs.
                    dnl The rpathdirs will be appended to $LIBNAME at the end.
                    haveit=
                    for x in $rpathdirs; do
                      if test "X$x" = "X$found_dir"; then
                        haveit=yes
                        break
                      fi
                    done
                    if test -z "$haveit"; then
                      rpathdirs="$rpathdirs $found_dir"
                    fi
                  else
                    dnl Rely on "-L$found_dir".
                    dnl But don't add it if it's already contained in the LDFLAGS
                    dnl or the already constructed $LIBNAME
                    haveit=
                    for x in $LDFLAGS $LIB[]NAME; do
                      AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
                      if test "X$x" = "X-L$found_dir"; then
                        haveit=yes
                        break
                      fi
                    done
                    if test -z "$haveit"; then
                      LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$found_dir"
                    fi
                    if test "$acl_hardcode_minus_L" != no; then
                      dnl FIXME: Not sure whether we should use
                      dnl "-L$found_dir -l$name" or "-L$found_dir $found_so"
                      dnl here.
                      LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so"
                    else
                      dnl We cannot use $acl_hardcode_runpath_var and LD_RUN_PATH
                      dnl here, because this doesn't fit in flags passed to the
                      dnl compiler. So give up. No hardcoding. This affects only
                      dnl very old systems.
                      dnl FIXME: Not sure whether we should use
                      dnl "-L$found_dir -l$name" or "-L$found_dir $found_so"
                      dnl here.
                      LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-l$name"
                    fi
                  fi
                fi
              fi
            else
              if test "X$found_a" != "X"; then
                dnl Linking with a static library.
                LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_a"
              else
                dnl We shouldn't come here, but anyway it's good to have a
                dnl fallback.
                LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$found_dir -l$name"
              fi
            fi
            dnl Assume the include files are nearby.
            additional_includedir=
            case "$found_dir" in
              */$acl_libdirstem | */$acl_libdirstem/)
                basedir=`echo "X$found_dir" | sed -e 's,^X,,' -e "s,/$acl_libdirstem/"'*$,,'`
                if test "$name" = '$1'; then
                  LIB[]NAME[]_PREFIX="$basedir"
                fi
                additional_includedir="$basedir/include"
                ;;
              */$acl_libdirstem2 | */$acl_libdirstem2/)
                basedir=`echo "X$found_dir" | sed -e 's,^X,,' -e "s,/$acl_libdirstem2/"'*$,,'`
                if test "$name" = '$1'; then
                  LIB[]NAME[]_PREFIX="$basedir"
                fi
                additional_includedir="$basedir/include"
                ;;
              */$acl_libdirstem3 | */$acl_libdirstem3/)
                basedir=`echo "X$found_dir" | sed -e 's,^X,,' -e "s,/$acl_libdirstem3/"'*$,,'`
                if test "$name" = '$1'; then
                  LIB[]NAME[]_PREFIX="$basedir"
                fi
                additional_includedir="$basedir/include"
                ;;
            esac
            if test "X$additional_includedir" != "X"; then
              dnl Potentially add $additional_includedir to $INCNAME.
              dnl But don't add it
              dnl   1. if it's the standard /usr/include,
              dnl   2. if it's /usr/local/include and we are using GCC on Linux,
              dnl   3. if it's already present in $CPPFLAGS or the already
              dnl      constructed $INCNAME,
              dnl   4. if it doesn't exist as a directory.
              if test "X$additional_includedir" != "X/usr/include"; then
                haveit=
                if test "X$additional_includedir" = "X/usr/local/include"; then
                  if test -n "$GCC"; then
                    case $host_os in
                      linux* | gnu* | k*bsd*-gnu) haveit=yes;;
                    esac
                  fi
                fi
                if test -z "$haveit"; then
                  for x in $CPPFLAGS $INC[]NAME; do
                    AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
                    if test "X$x" = "X-I$additional_includedir"; then
                      haveit=yes
                      break
                    fi
                  done
                  if test -z "$haveit"; then
                    if test -d "$additional_includedir"; then
                      dnl Really add $additional_includedir to $INCNAME.
                      INC[]NAME="${INC[]NAME}${INC[]NAME:+ }-I$additional_includedir"
                    fi
                  fi
                fi
              fi
            fi
            dnl Look for dependencies.
            if test -n "$found_la"; then
              dnl Read the .la file. It defines the variables
              dnl dlname, library_names, old_library, dependency_libs, current,
              dnl age, revision, installed, dlopen, dlpreopen, libdir.
              save_libdir="$libdir"
              case "$found_la" in
                */* | *\\*) . "$found_la" ;;
                *) . "./$found_la" ;;
              esac
              libdir="$save_libdir"
              dnl We use only dependency_libs.
              for dep in $dependency_libs; do
                case "$dep" in
                  -L*)
                    dependency_libdir=`echo "X$dep" | sed -e 's/^X-L//'`
                    dnl Potentially add $dependency_libdir to $LIBNAME and $LTLIBNAME.
                    dnl But don't add it
                    dnl   1. if it's the standard /usr/lib,
                    dnl   2. if it's /usr/local/lib and we are using GCC on Linux,
                    dnl   3. if it's already present in $LDFLAGS or the already
                    dnl      constructed $LIBNAME,
                    dnl   4. if it doesn't exist as a directory.
                    if test "X$dependency_libdir" != "X/usr/$acl_libdirstem" \
                       && test "X$dependency_libdir" != "X/usr/$acl_libdirstem2" \
                       && test "X$dependency_libdir" != "X/usr/$acl_libdirstem3"; then
                      haveit=
                      if test "X$dependency_libdir" = "X/usr/local/$acl_libdirstem" \
                         || test "X$dependency_libdir" = "X/usr/local/$acl_libdirstem2" \
                         || test "X$dependency_libdir" = "X/usr/local/$acl_libdirstem3"; then
                        if test -n "$GCC"; then
                          case $host_os in
                            linux* | gnu* | k*bsd*-gnu) haveit=yes;;
                          esac
                        fi
                      fi
                      if test -z "$haveit"; then
                        haveit=
                        for x in $LDFLAGS $LIB[]NAME; do
                          AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
                          if test "X$x" = "X-L$dependency_libdir"; then
                            haveit=yes
                            break
                          fi
                        done
                        if test -z "$haveit"; then
                          if test -d "$dependency_libdir"; then
                            dnl Really add $dependency_libdir to $LIBNAME.
                            LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$dependency_libdir"
                          fi
                        fi
                        haveit=
                        for x in $LDFLAGS $LTLIB[]NAME; do
                          AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
                          if test "X$x" = "X-L$dependency_libdir"; then
                            haveit=yes
                            break
                          fi
                        done
                        if test -z "$haveit"; then
                          if test -d "$dependency_libdir"; then
                            dnl Really add $dependency_libdir to $LTLIBNAME.
                            LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-L$dependency_libdir"
                          fi
                        fi
                      fi
                    fi
                    ;;
                  -R*)
                    dir=`echo "X$dep" | sed -e 's/^X-R//'`
                    if test "$enable_rpath" != no; then
                      dnl Potentially add DIR to rpathdirs.
                      dnl The rpathdirs will be appended to $LIBNAME at the end.
                      haveit=
                      for x in $rpathdirs; do
                        if test "X$x" = "X$dir"; then
                          haveit=yes
                          break
                        fi
                      done
                      if test -z "$haveit"; then
                        rpathdirs="$rpathdirs $dir"
                      fi
                      dnl Potentially add DIR to ltrpathdirs.
                      dnl The ltrpathdirs will be appended to $LTLIBNAME at the end.
                      haveit=
                      for x in $ltrpathdirs; do
                        if test "X$x" = "X$dir"; then
                          haveit=yes
                          break
                        fi
                      done
                      if test -z "$haveit"; then
                        ltrpathdirs="$ltrpathdirs $dir"
                      fi
                    fi
                    ;;
                  -l*)
                    dnl Handle this in the next round.
                    dnl But on GNU systems, ignore -lc options, because
                    dnl   - linking with libc is the default anyway,
                    dnl   - linking with libc.a may produce an error
                    dnl     "/usr/bin/ld: dynamic STT_GNU_IFUNC symbol `strcmp' with pointer equality in `/usr/lib/libc.a(strcmp.o)' can not be used when making an executable; recompile with -fPIE and relink with -pie"
                    dnl     or may produce an executable that always crashes, see
                    dnl     <https://lists.gnu.org/archive/html/grep-devel/2020-09/msg00052.html>.
                    dep=`echo "X$dep" | sed -e 's/^X-l//'`
                    if test "X$dep" != Xc \
                       || case $host_os in
                            linux* | gnu* | k*bsd*-gnu) false ;;
                            *)                          true ;;
                          esac; then
                      names_next_round="$names_next_round $dep"
                    fi
                    ;;
                  *.la)
                    dnl Handle this in the next round. Throw away the .la's
                    dnl directory; it is already contained in a preceding -L
                    dnl option.
                    names_next_round="$names_next_round "`echo "X$dep" | sed -e 's,^X.*/,,' -e 's,^lib,,' -e 's,\.la$,,'`
                    ;;
                  *)
                    dnl Most likely an immediate library name.
                    LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$dep"
                    LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }$dep"
                    ;;
                esac
              done
            fi
          else
            dnl Didn't find the library; assume it is in the system directories
            dnl known to the linker and runtime loader. (All the system
            dnl directories known to the linker should also be known to the
            dnl runtime loader, otherwise the system is severely misconfigured.)
            LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-l$name"
            LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-l$name"
          fi
        fi
      fi
    done
  done
  if test "X$rpathdirs" != "X"; then
    if test -n "$acl_hardcode_libdir_separator"; then
      dnl Weird platform: only the last -rpath option counts, the user must
      dnl pass all path elements in one option. We can arrange that for a
      dnl single library, but not when more than one $LIBNAMEs are used.
      alldirs=
      for found_dir in $rpathdirs; do
        alldirs="${alldirs}${alldirs:+$acl_hardcode_libdir_separator}$found_dir"
      done
      dnl Note: acl_hardcode_libdir_flag_spec uses $libdir and $wl.
      acl_save_libdir="$libdir"
      libdir="$alldirs"
      eval flag=\"$acl_hardcode_libdir_flag_spec\"
      libdir="$acl_save_libdir"
      LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$flag"
    else
      dnl The -rpath options are cumulative.
      for found_dir in $rpathdirs; do
        acl_save_libdir="$libdir"
        libdir="$found_dir"
        eval flag=\"$acl_hardcode_libdir_flag_spec\"
        libdir="$acl_save_libdir"
        LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$flag"
      done
    fi
  fi
  if test "X$ltrpathdirs" != "X"; then
    dnl When using libtool, the option that works for both libraries and
    dnl executables is -R. The -R options are cumulative.
    for found_dir in $ltrpathdirs; do
      LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-R$found_dir"
    done
  fi
  popdef([PACKLIBS])
  popdef([PACKUP])
  popdef([PACK])
  popdef([NAME])
])
m4trace:m4/lib-link.m4:718: -1- AC_DEFUN([AC_LIB_APPENDTOVAR], [
  for element in [$2]; do
    haveit=
    for x in $[$1]; do
      AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
      if test "X$x" = "X$element"; then
        haveit=yes
        break
      fi
    done
    if test -z "$haveit"; then
      [$1]="${[$1]}${[$1]:+ }$element"
    fi
  done
])
m4trace:m4/lib-link.m4:742: -1- AC_DEFUN([AC_LIB_LINKFLAGS_FROM_LIBS], [
  AC_REQUIRE([AC_LIB_RPATH])
  AC_REQUIRE([AC_LIB_PREPARE_MULTILIB])
  $1=
  if test "$enable_rpath" != no; then
    if test -n "$acl_hardcode_libdir_flag_spec" && test "$acl_hardcode_minus_L" = no; then
      dnl Use an explicit option to hardcode directories into the resulting
      dnl binary.
      rpathdirs=
      next=
      for opt in $2; do
        if test -n "$next"; then
          dir="$next"
          dnl No need to hardcode the standard /usr/lib.
          if test "X$dir" != "X/usr/$acl_libdirstem" \
             && test "X$dir" != "X/usr/$acl_libdirstem2" \
             && test "X$dir" != "X/usr/$acl_libdirstem3"; then
            rpathdirs="$rpathdirs $dir"
          fi
          next=
        else
          case $opt in
            -L) next=yes ;;
            -L*) dir=`echo "X$opt" | sed -e 's,^X-L,,'`
                 dnl No need to hardcode the standard /usr/lib.
                 if test "X$dir" != "X/usr/$acl_libdirstem" \
                    && test "X$dir" != "X/usr/$acl_libdirstem2" \
                    && test "X$dir" != "X/usr/$acl_libdirstem3"; then
                   rpathdirs="$rpathdirs $dir"
                 fi
                 next= ;;
            *) next= ;;
          esac
        fi
      done
      if test "X$rpathdirs" != "X"; then
        if test -n ""$3""; then
          dnl libtool is used for linking. Use -R options.
          for dir in $rpathdirs; do
            $1="${$1}${$1:+ }-R$dir"
          done
        else
          dnl The linker is used for linking directly.
          if test -n "$acl_hardcode_libdir_separator"; then
            dnl Weird platform: only the last -rpath option counts, the user
            dnl must pass all path elements in one option.
            alldirs=
            for dir in $rpathdirs; do
              alldirs="${alldirs}${alldirs:+$acl_hardcode_libdir_separator}$dir"
            done
            acl_save_libdir="$libdir"
            libdir="$alldirs"
            eval flag=\"$acl_hardcode_libdir_flag_spec\"
            libdir="$acl_save_libdir"
            $1="$flag"
          else
            dnl The -rpath options are cumulative.
            for dir in $rpathdirs; do
              acl_save_libdir="$libdir"
              libdir="$dir"
              eval flag=\"$acl_hardcode_libdir_flag_spec\"
              libdir="$acl_save_libdir"
              $1="${$1}${$1:+ }$flag"
            done
          fi
        fi
      fi
    fi
  fi
  AC_SUBST([$1])
])
m4trace:m4/lib-prefix.m4:15: -1- AC_DEFUN([AC_LIB_PREFIX], [
  AC_BEFORE([$0], [AC_LIB_LINKFLAGS])
  AC_REQUIRE([AC_PROG_CC])
  AC_REQUIRE([AC_CANONICAL_HOST])
  AC_REQUIRE([AC_LIB_PREPARE_MULTILIB])
  AC_REQUIRE([AC_LIB_PREPARE_PREFIX])
  dnl By default, look in $includedir and $libdir.
  use_additional=yes
  AC_LIB_WITH_FINAL_PREFIX([
    eval additional_includedir=\"$includedir\"
    eval additional_libdir=\"$libdir\"
  ])
  AC_ARG_WITH([lib-prefix],
[[  --with-lib-prefix[=DIR] search for libraries in DIR/include and DIR/lib
  --without-lib-prefix    don't search for libraries in includedir and libdir]],
[
    if test "X$withval" = "Xno"; then
      use_additional=no
    else
      if test "X$withval" = "X"; then
        AC_LIB_WITH_FINAL_PREFIX([
          eval additional_includedir=\"$includedir\"
          eval additional_libdir=\"$libdir\"
        ])
      else
        additional_includedir="$withval/include"
        additional_libdir="$withval/$acl_libdirstem"
      fi
    fi
])
  if test $use_additional = yes; then
    dnl Potentially add $additional_includedir to $CPPFLAGS.
    dnl But don't add it
    dnl   1. if it's the standard /usr/include,
    dnl   2. if it's already present in $CPPFLAGS,
    dnl   3. if it's /usr/local/include and we are using GCC on Linux,
    dnl   4. if it doesn't exist as a directory.
    if test "X$additional_includedir" != "X/usr/include"; then
      haveit=
      for x in $CPPFLAGS; do
        AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
        if test "X$x" = "X-I$additional_includedir"; then
          haveit=yes
          break
        fi
      done
      if test -z "$haveit"; then
        if test "X$additional_includedir" = "X/usr/local/include"; then
          if test -n "$GCC"; then
            case $host_os in
              linux* | gnu* | k*bsd*-gnu) haveit=yes;;
            esac
          fi
        fi
        if test -z "$haveit"; then
          if test -d "$additional_includedir"; then
            dnl Really add $additional_includedir to $CPPFLAGS.
            CPPFLAGS="${CPPFLAGS}${CPPFLAGS:+ }-I$additional_includedir"
          fi
        fi
      fi
    fi
    dnl Potentially add $additional_libdir to $LDFLAGS.
    dnl But don't add it
    dnl   1. if it's the standard /usr/lib,
    dnl   2. if it's already present in $LDFLAGS,
    dnl   3. if it's /usr/local/lib and we are using GCC on Linux,
    dnl   4. if it doesn't exist as a directory.
    if test "X$additional_libdir" != "X/usr/$acl_libdirstem"; then
      haveit=
      for x in $LDFLAGS; do
        AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
        if test "X$x" = "X-L$additional_libdir"; then
          haveit=yes
          break
        fi
      done
      if test -z "$haveit"; then
        if test "X$additional_libdir" = "X/usr/local/$acl_libdirstem"; then
          if test -n "$GCC"; then
            case $host_os in
              linux*) haveit=yes;;
            esac
          fi
        fi
        if test -z "$haveit"; then
          if test -d "$additional_libdir"; then
            dnl Really add $additional_libdir to $LDFLAGS.
            LDFLAGS="${LDFLAGS}${LDFLAGS:+ }-L$additional_libdir"
          fi
        fi
      fi
    fi
  fi
])
m4trace:m4/lib-prefix.m4:115: -1- AC_DEFUN([AC_LIB_PREPARE_PREFIX], [
  dnl Unfortunately, prefix and exec_prefix get only finally determined
  dnl at the end of configure.
  if test "X$prefix" = "XNONE"; then
    acl_final_prefix="$ac_default_prefix"
  else
    acl_final_prefix="$prefix"
  fi
  if test "X$exec_prefix" = "XNONE"; then
    acl_final_exec_prefix='${prefix}'
  else
    acl_final_exec_prefix="$exec_prefix"
  fi
  acl_save_prefix="$prefix"
  prefix="$acl_final_prefix"
  eval acl_final_exec_prefix=\"$acl_final_exec_prefix\"
  prefix="$acl_save_prefix"
])
m4trace:m4/lib-prefix.m4:138: -1- AC_DEFUN([AC_LIB_WITH_FINAL_PREFIX], [
  acl_save_prefix="$prefix"
  prefix="$acl_final_prefix"
  acl_save_exec_prefix="$exec_prefix"
  exec_prefix="$acl_final_exec_prefix"
  $1
  exec_prefix="$acl_save_exec_prefix"
  prefix="$acl_save_prefix"
])
m4trace:m4/lib-prefix.m4:155: -1- AC_DEFUN([AC_LIB_PREPARE_MULTILIB], [
  dnl There is no formal standard regarding lib, lib32, and lib64.
  dnl On most glibc systems, the current practice is that on a system supporting
  dnl 32-bit and 64-bit instruction sets or ABIs, 64-bit libraries go under
  dnl $prefix/lib64 and 32-bit libraries go under $prefix/lib. However, on
  dnl Arch Linux based distributions, it's the opposite: 32-bit libraries go
  dnl under $prefix/lib32 and 64-bit libraries go under $prefix/lib.
  dnl We determine the compiler's default mode by looking at the compiler's
  dnl library search path. If at least one of its elements ends in /lib64 or
  dnl points to a directory whose absolute pathname ends in /lib64, we use that
  dnl for 64-bit ABIs. Similarly for 32-bit ABIs. Otherwise we use the default,
  dnl namely "lib".
  dnl On Solaris systems, the current practice is that on a system supporting
  dnl 32-bit and 64-bit instruction sets or ABIs, 64-bit libraries go under
  dnl $prefix/lib/64 (which is a symlink to either $prefix/lib/sparcv9 or
  dnl $prefix/lib/amd64) and 32-bit libraries go under $prefix/lib.
  AC_REQUIRE([AC_CANONICAL_HOST])
  AC_REQUIRE([gl_HOST_CPU_C_ABI_32BIT])

  AC_CACHE_CHECK([for ELF binary format], [gl_cv_elf],
    [AC_EGREP_CPP([Extensible Linking Format],
       [#if defined __ELF__ || (defined __linux__ && defined __EDG__)
        Extensible Linking Format
        #endif
       ],
       [gl_cv_elf=yes],
       [gl_cv_elf=no])
    ])
  if test $gl_cv_elf = yes; then
    # Extract the ELF class of a file (5th byte) in decimal.
    # Cf. https://en.wikipedia.org/wiki/Executable_and_Linkable_Format#File_header
    if od -A x < /dev/null >/dev/null 2>/dev/null; then
      # Use POSIX od.
      func_elfclass ()
      {
        od -A n -t d1 -j 4 -N 1
      }
    else
      # Use BSD hexdump.
      func_elfclass ()
      {
        dd bs=1 count=1 skip=4 2>/dev/null | hexdump -e '1/1 "%3d "'
        echo
      }
    fi
    # Use 'expr', not 'test', to compare the values of func_elfclass, because on
    # Solaris 11 OpenIndiana and Solaris 11 OmniOS, the result is 001 or 002,
    # not 1 or 2.
changequote(,)dnl
    case $HOST_CPU_C_ABI_32BIT in
      yes)
        # 32-bit ABI.
        acl_is_expected_elfclass ()
        {
          expr "`func_elfclass | sed -e 's/[ 	]//g'`" = 1 > /dev/null
        }
        ;;
      no)
        # 64-bit ABI.
        acl_is_expected_elfclass ()
        {
          expr "`func_elfclass | sed -e 's/[ 	]//g'`" = 2 > /dev/null
        }
        ;;
      *)
        # Unknown.
        acl_is_expected_elfclass ()
        {
          :
        }
        ;;
    esac
changequote([,])dnl
  else
    acl_is_expected_elfclass ()
    {
      :
    }
  fi

  dnl Allow the user to override the result by setting acl_cv_libdirstems.
  AC_CACHE_CHECK([for the common suffixes of directories in the library search path],
    [acl_cv_libdirstems],
    [dnl Try 'lib' first, because that's the default for libdir in GNU, see
     dnl <https://www.gnu.org/prep/standards/html_node/Directory-Variables.html>.
     acl_libdirstem=lib
     acl_libdirstem2=
     acl_libdirstem3=
     case "$host_os" in
       solaris*)
         dnl See Solaris 10 Software Developer Collection > Solaris 64-bit Developer's Guide > The Development Environment
         dnl <https://docs.oracle.com/cd/E19253-01/816-5138/dev-env/index.html>.
         dnl "Portable Makefiles should refer to any library directories using the 64 symbolic link."
         dnl But we want to recognize the sparcv9 or amd64 subdirectory also if the
         dnl symlink is missing, so we set acl_libdirstem2 too.
         if test $HOST_CPU_C_ABI_32BIT = no; then
           acl_libdirstem2=lib/64
           case "$host_cpu" in
             sparc*)        acl_libdirstem3=lib/sparcv9 ;;
             i*86 | x86_64) acl_libdirstem3=lib/amd64 ;;
           esac
         fi
         ;;
       *)
         dnl If $CC generates code for a 32-bit ABI, the libraries are
         dnl surely under $prefix/lib or $prefix/lib32, not $prefix/lib64.
         dnl Similarly, if $CC generates code for a 64-bit ABI, the libraries
         dnl are surely under $prefix/lib or $prefix/lib64, not $prefix/lib32.
         dnl Find the compiler's search path. However, non-system compilers
         dnl sometimes have odd library search paths. But we can't simply invoke
         dnl '/usr/bin/gcc -print-search-dirs' because that would not take into
         dnl account the -m32/-m31 or -m64 options from the $CC or $CFLAGS.
         searchpath=`(LC_ALL=C $CC $CPPFLAGS $CFLAGS -print-search-dirs) 2>/dev/null \
                     | sed -n -e 's,^libraries: ,,p' | sed -e 's,^=,,'`
         if test $HOST_CPU_C_ABI_32BIT != no; then
           # 32-bit or unknown ABI.
           if test -d /usr/lib32; then
             acl_libdirstem2=lib32
           fi
         fi
         if test $HOST_CPU_C_ABI_32BIT != yes; then
           # 64-bit or unknown ABI.
           if test -d /usr/lib64; then
             acl_libdirstem3=lib64
           fi
         fi
         if test -n "$searchpath"; then
           acl_save_IFS="${IFS= 	}"; IFS=":"
           for searchdir in $searchpath; do
             if test -d "$searchdir"; then
               case "$searchdir" in
                 */lib32/ | */lib32 ) acl_libdirstem2=lib32 ;;
                 */lib64/ | */lib64 ) acl_libdirstem3=lib64 ;;
                 */../ | */.. )
                   # Better ignore directories of this form. They are misleading.
                   ;;
                 *) searchdir=`cd "$searchdir" && pwd`
                    case "$searchdir" in
                      */lib32 ) acl_libdirstem2=lib32 ;;
                      */lib64 ) acl_libdirstem3=lib64 ;;
                    esac ;;
               esac
             fi
           done
           IFS="$acl_save_IFS"
           if test $HOST_CPU_C_ABI_32BIT = yes; then
             # 32-bit ABI.
             acl_libdirstem3=
           fi
           if test $HOST_CPU_C_ABI_32BIT = no; then
             # 64-bit ABI.
             acl_libdirstem2=
           fi
         fi
         ;;
     esac
     test -n "$acl_libdirstem2" || acl_libdirstem2="$acl_libdirstem"
     test -n "$acl_libdirstem3" || acl_libdirstem3="$acl_libdirstem"
     acl_cv_libdirstems="$acl_libdirstem,$acl_libdirstem2,$acl_libdirstem3"
    ])
  dnl Decompose acl_cv_libdirstems into acl_libdirstem, acl_libdirstem2, and
  dnl acl_libdirstem3.
changequote(,)dnl
  acl_libdirstem=`echo "$acl_cv_libdirstems" | sed -e 's/,.*//'`
  acl_libdirstem2=`echo "$acl_cv_libdirstems" | sed -e 's/^[^,]*,//' -e 's/,.*//'`
  acl_libdirstem3=`echo "$acl_cv_libdirstems" | sed -e 's/^[^,]*,[^,]*,//' -e 's/,.*//'`
changequote([,])dnl
])
m4trace:m4/nls.m4:23: -1- AC_DEFUN([AM_NLS], [
  AC_MSG_CHECKING([whether NLS is requested])
  dnl Default is enabled NLS
  AC_ARG_ENABLE([nls],
    [  --disable-nls           do not use Native Language Support],
    USE_NLS=$enableval, USE_NLS=yes)
  AC_MSG_RESULT([$USE_NLS])
  AC_SUBST([USE_NLS])
])
m4trace:m4/po.m4:23: -1- AC_DEFUN([AM_PO_SUBDIRS], [
  AC_REQUIRE([AC_PROG_MAKE_SET])dnl
  AC_REQUIRE([AC_PROG_INSTALL])dnl
  AC_REQUIRE([AC_PROG_MKDIR_P])dnl
  AC_REQUIRE([AC_PROG_SED])dnl
  AC_REQUIRE([AM_NLS])dnl

  dnl Release version of the gettext macros. This is used to ensure that
  dnl the gettext macros and po/Makefile.in.in are in sync.
  AC_SUBST([GETTEXT_MACRO_VERSION], [0.20])

  dnl Perform the following tests also if --disable-nls has been given,
  dnl because they are needed for "make dist" to work.

  dnl Search for GNU msgfmt in the PATH.
  dnl The first test excludes Solaris msgfmt and early GNU msgfmt versions.
  dnl The second test excludes FreeBSD msgfmt.
  AM_PATH_PROG_WITH_TEST(MSGFMT, msgfmt,
    [$ac_dir/$ac_word --statistics /dev/null >&]AS_MESSAGE_LOG_FD[ 2>&1 &&
     (if $ac_dir/$ac_word --statistics /dev/null 2>&1 >/dev/null | grep usage >/dev/null; then exit 1; else exit 0; fi)],
    :)
  AC_PATH_PROG([GMSGFMT], [gmsgfmt], [$MSGFMT])

  dnl Test whether it is GNU msgfmt >= 0.15.
changequote(,)dnl
  case `$GMSGFMT --version | sed 1q | sed -e 's,^[^0-9]*,,'` in
    '' | 0.[0-9] | 0.[0-9].* | 0.1[0-4] | 0.1[0-4].*) GMSGFMT_015=: ;;
    *) GMSGFMT_015=$GMSGFMT ;;
  esac
changequote([,])dnl
  AC_SUBST([GMSGFMT_015])

  dnl Search for GNU xgettext 0.12 or newer in the PATH.
  dnl The first test excludes Solaris xgettext and early GNU xgettext versions.
  dnl The second test excludes FreeBSD xgettext.
  AM_PATH_PROG_WITH_TEST(XGETTEXT, xgettext,
    [$ac_dir/$ac_word --omit-header --copyright-holder= --msgid-bugs-address= /dev/null >&]AS_MESSAGE_LOG_FD[ 2>&1 &&
     (if $ac_dir/$ac_word --omit-header --copyright-holder= --msgid-bugs-address= /dev/null 2>&1 >/dev/null | grep usage >/dev/null; then exit 1; else exit 0; fi)],
    :)
  dnl Remove leftover from FreeBSD xgettext call.
  rm -f messages.po

  dnl Test whether it is GNU xgettext >= 0.15.
changequote(,)dnl
  case `$XGETTEXT --version | sed 1q | sed -e 's,^[^0-9]*,,'` in
    '' | 0.[0-9] | 0.[0-9].* | 0.1[0-4] | 0.1[0-4].*) XGETTEXT_015=: ;;
    *) XGETTEXT_015=$XGETTEXT ;;
  esac
changequote([,])dnl
  AC_SUBST([XGETTEXT_015])

  dnl Search for GNU msgmerge 0.11 or newer in the PATH.
  AM_PATH_PROG_WITH_TEST(MSGMERGE, msgmerge,
    [$ac_dir/$ac_word --update -q /dev/null /dev/null >&]AS_MESSAGE_LOG_FD[ 2>&1], :)

  dnl Test whether it is GNU msgmerge >= 0.20.
  if LC_ALL=C $MSGMERGE --help | grep ' --for-msgfmt ' >/dev/null; then
    MSGMERGE_FOR_MSGFMT_OPTION='--for-msgfmt'
  else
    dnl Test whether it is GNU msgmerge >= 0.12.
    if LC_ALL=C $MSGMERGE --help | grep ' --no-fuzzy-matching ' >/dev/null; then
      MSGMERGE_FOR_MSGFMT_OPTION='--no-fuzzy-matching --no-location --quiet'
    else
      dnl With these old versions, $(MSGMERGE) $(MSGMERGE_FOR_MSGFMT_OPTION) is
      dnl slow. But this is not a big problem, as such old gettext versions are
      dnl hardly in use any more.
      MSGMERGE_FOR_MSGFMT_OPTION='--no-location --quiet'
    fi
  fi
  AC_SUBST([MSGMERGE_FOR_MSGFMT_OPTION])

  dnl Support for AM_XGETTEXT_OPTION.
  test -n "${XGETTEXT_EXTRA_OPTIONS+set}" || XGETTEXT_EXTRA_OPTIONS=
  AC_SUBST([XGETTEXT_EXTRA_OPTIONS])

  AC_CONFIG_COMMANDS([po-directories], [[
    for ac_file in $CONFIG_FILES; do
      # Support "outfile[:infile[:infile...]]"
      case "$ac_file" in
        *:*) ac_file=`echo "$ac_file"|sed 's%:.*%%'` ;;
      esac
      # PO directories have a Makefile.in generated from Makefile.in.in.
      case "$ac_file" in */Makefile.in)
        # Adjust a relative srcdir.
        ac_dir=`echo "$ac_file"|sed 's%/[^/][^/]*$%%'`
        ac_dir_suffix=/`echo "$ac_dir"|sed 's%^\./%%'`
        ac_dots=`echo "$ac_dir_suffix"|sed 's%/[^/]*%../%g'`
        # In autoconf-2.13 it is called $ac_given_srcdir.
        # In autoconf-2.50 it is called $srcdir.
        test -n "$ac_given_srcdir" || ac_given_srcdir="$srcdir"
        case "$ac_given_srcdir" in
          .)  top_srcdir=`echo $ac_dots|sed 's%/$%%'` ;;
          /*) top_srcdir="$ac_given_srcdir" ;;
          *)  top_srcdir="$ac_dots$ac_given_srcdir" ;;
        esac
        # Treat a directory as a PO directory if and only if it has a
        # POTFILES.in file. This allows packages to have multiple PO
        # directories under different names or in different locations.
        if test -f "$ac_given_srcdir/$ac_dir/POTFILES.in"; then
          rm -f "$ac_dir/POTFILES"
          test -n "$as_me" && echo "$as_me: creating $ac_dir/POTFILES" || echo "creating $ac_dir/POTFILES"
          gt_tab=`printf '\t'`
          cat "$ac_given_srcdir/$ac_dir/POTFILES.in" | sed -e "/^#/d" -e "/^[ ${gt_tab}]*\$/d" -e "s,.*,     $top_srcdir/& \\\\," | sed -e "\$s/\(.*\) \\\\/\1/" > "$ac_dir/POTFILES"
          POMAKEFILEDEPS="POTFILES.in"
          # ALL_LINGUAS, POFILES, UPDATEPOFILES, DUMMYPOFILES, GMOFILES depend
          # on $ac_dir but don't depend on user-specified configuration
          # parameters.
          if test -f "$ac_given_srcdir/$ac_dir/LINGUAS"; then
            # The LINGUAS file contains the set of available languages.
            if test -n "$OBSOLETE_ALL_LINGUAS"; then
              test -n "$as_me" && echo "$as_me: setting ALL_LINGUAS in configure.in is obsolete" || echo "setting ALL_LINGUAS in configure.in is obsolete"
            fi
            ALL_LINGUAS=`sed -e "/^#/d" -e "s/#.*//" "$ac_given_srcdir/$ac_dir/LINGUAS"`
            POMAKEFILEDEPS="$POMAKEFILEDEPS LINGUAS"
          else
            # The set of available languages was given in configure.in.
            ALL_LINGUAS=$OBSOLETE_ALL_LINGUAS
          fi
          # Compute POFILES
          # as      $(foreach lang, $(ALL_LINGUAS), $(srcdir)/$(lang).po)
          # Compute UPDATEPOFILES
          # as      $(foreach lang, $(ALL_LINGUAS), $(lang).po-update)
          # Compute DUMMYPOFILES
          # as      $(foreach lang, $(ALL_LINGUAS), $(lang).nop)
          # Compute GMOFILES
          # as      $(foreach lang, $(ALL_LINGUAS), $(srcdir)/$(lang).gmo)
          case "$ac_given_srcdir" in
            .) srcdirpre= ;;
            *) srcdirpre='$(srcdir)/' ;;
          esac
          POFILES=
          UPDATEPOFILES=
          DUMMYPOFILES=
          GMOFILES=
          for lang in $ALL_LINGUAS; do
            POFILES="$POFILES $srcdirpre$lang.po"
            UPDATEPOFILES="$UPDATEPOFILES $lang.po-update"
            DUMMYPOFILES="$DUMMYPOFILES $lang.nop"
            GMOFILES="$GMOFILES $srcdirpre$lang.gmo"
          done
          # CATALOGS depends on both $ac_dir and the user's LINGUAS
          # environment variable.
          INST_LINGUAS=
          if test -n "$ALL_LINGUAS"; then
            for presentlang in $ALL_LINGUAS; do
              useit=no
              if test "%UNSET%" != "$LINGUAS"; then
                desiredlanguages="$LINGUAS"
              else
                desiredlanguages="$ALL_LINGUAS"
              fi
              for desiredlang in $desiredlanguages; do
                # Use the presentlang catalog if desiredlang is
                #   a. equal to presentlang, or
                #   b. a variant of presentlang (because in this case,
                #      presentlang can be used as a fallback for messages
                #      which are not translated in the desiredlang catalog).
                case "$desiredlang" in
                  "$presentlang" | "$presentlang"_* | "$presentlang".* | "$presentlang"@*)
                    useit=yes
                    ;;
                esac
              done
              if test $useit = yes; then
                INST_LINGUAS="$INST_LINGUAS $presentlang"
              fi
            done
          fi
          CATALOGS=
          if test -n "$INST_LINGUAS"; then
            for lang in $INST_LINGUAS; do
              CATALOGS="$CATALOGS $lang.gmo"
            done
          fi
          test -n "$as_me" && echo "$as_me: creating $ac_dir/Makefile" || echo "creating $ac_dir/Makefile"
          sed -e "/^POTFILES =/r $ac_dir/POTFILES" -e "/^# Makevars/r $ac_given_srcdir/$ac_dir/Makevars" -e "s|@POFILES@|$POFILES|g" -e "s|@UPDATEPOFILES@|$UPDATEPOFILES|g" -e "s|@DUMMYPOFILES@|$DUMMYPOFILES|g" -e "s|@GMOFILES@|$GMOFILES|g" -e "s|@CATALOGS@|$CATALOGS|g" -e "s|@POMAKEFILEDEPS@|$POMAKEFILEDEPS|g" "$ac_dir/Makefile.in" > "$ac_dir/Makefile"
          for f in "$ac_given_srcdir/$ac_dir"/Rules-*; do
            if test -f "$f"; then
              case "$f" in
                *.orig | *.bak | *~) ;;
                *) cat "$f" >> "$ac_dir/Makefile" ;;
              esac
            fi
          done
        fi
        ;;
      esac
    done]],
   [# Capture the value of obsolete ALL_LINGUAS because we need it to compute
    # POFILES, UPDATEPOFILES, DUMMYPOFILES, GMOFILES, CATALOGS.
    OBSOLETE_ALL_LINGUAS="$ALL_LINGUAS"
    # Capture the value of LINGUAS because we need it to compute CATALOGS.
    LINGUAS="${LINGUAS-%UNSET%}"
   ])
])
m4trace:m4/po.m4:221: -1- AC_DEFUN([AM_POSTPROCESS_PO_MAKEFILE], [
  # When this code is run, in config.status, two variables have already been
  # set:
  # - OBSOLETE_ALL_LINGUAS is the value of LINGUAS set in configure.in,
  # - LINGUAS is the value of the environment variable LINGUAS at configure
  #   time.

changequote(,)dnl
  # Adjust a relative srcdir.
  ac_dir=`echo "$ac_file"|sed 's%/[^/][^/]*$%%'`
  ac_dir_suffix=/`echo "$ac_dir"|sed 's%^\./%%'`
  ac_dots=`echo "$ac_dir_suffix"|sed 's%/[^/]*%../%g'`
  # In autoconf-2.13 it is called $ac_given_srcdir.
  # In autoconf-2.50 it is called $srcdir.
  test -n "$ac_given_srcdir" || ac_given_srcdir="$srcdir"
  case "$ac_given_srcdir" in
    .)  top_srcdir=`echo $ac_dots|sed 's%/$%%'` ;;
    /*) top_srcdir="$ac_given_srcdir" ;;
    *)  top_srcdir="$ac_dots$ac_given_srcdir" ;;
  esac

  # Find a way to echo strings without interpreting backslash.
  if test "X`(echo '\t') 2>/dev/null`" = 'X\t'; then
    gt_echo='echo'
  else
    if test "X`(printf '%s\n' '\t') 2>/dev/null`" = 'X\t'; then
      gt_echo='printf %s\n'
    else
      echo_func () {
        cat <<EOT
$*
EOT
      }
      gt_echo='echo_func'
    fi
  fi

  # A sed script that extracts the value of VARIABLE from a Makefile.
  tab=`printf '\t'`
  sed_x_variable='
# Test if the hold space is empty.
x
s/P/P/
x
ta
# Yes it was empty. Look if we have the expected variable definition.
/^['"${tab}"' ]*VARIABLE['"${tab}"' ]*=/{
  # Seen the first line of the variable definition.
  s/^['"${tab}"' ]*VARIABLE['"${tab}"' ]*=//
  ba
}
bd
:a
# Here we are processing a line from the variable definition.
# Remove comment, more precisely replace it with a space.
s/#.*$/ /
# See if the line ends in a backslash.
tb
:b
s/\\$//
# Print the line, without the trailing backslash.
p
tc
# There was no trailing backslash. The end of the variable definition is
# reached. Clear the hold space.
s/^.*$//
x
bd
:c
# A trailing backslash means that the variable definition continues in the
# next line. Put a nonempty string into the hold space to indicate this.
s/^.*$/P/
x
:d
'
changequote([,])dnl

  # Set POTFILES to the value of the Makefile variable POTFILES.
  sed_x_POTFILES=`$gt_echo "$sed_x_variable" | sed -e '/^ *#/d' -e 's/VARIABLE/POTFILES/g'`
  POTFILES=`sed -n -e "$sed_x_POTFILES" < "$ac_file"`
  # Compute POTFILES_DEPS as
  #   $(foreach file, $(POTFILES), $(top_srcdir)/$(file))
  POTFILES_DEPS=
  for file in $POTFILES; do
    POTFILES_DEPS="$POTFILES_DEPS "'$(top_srcdir)/'"$file"
  done
  POMAKEFILEDEPS=""

  if test -n "$OBSOLETE_ALL_LINGUAS"; then
    test -n "$as_me" && echo "$as_me: setting ALL_LINGUAS in configure.in is obsolete" || echo "setting ALL_LINGUAS in configure.in is obsolete"
  fi
  if test -f "$ac_given_srcdir/$ac_dir/LINGUAS"; then
    # The LINGUAS file contains the set of available languages.
    ALL_LINGUAS=`sed -e "/^#/d" -e "s/#.*//" "$ac_given_srcdir/$ac_dir/LINGUAS"`
    POMAKEFILEDEPS="$POMAKEFILEDEPS LINGUAS"
  else
    # Set ALL_LINGUAS to the value of the Makefile variable LINGUAS.
    sed_x_LINGUAS=`$gt_echo "$sed_x_variable" | sed -e '/^ *#/d' -e 's/VARIABLE/LINGUAS/g'`
    ALL_LINGUAS=`sed -n -e "$sed_x_LINGUAS" < "$ac_file"`
  fi
  # Compute POFILES
  # as      $(foreach lang, $(ALL_LINGUAS), $(srcdir)/$(lang).po)
  # Compute UPDATEPOFILES
  # as      $(foreach lang, $(ALL_LINGUAS), $(lang).po-update)
  # Compute DUMMYPOFILES
  # as      $(foreach lang, $(ALL_LINGUAS), $(lang).nop)
  # Compute GMOFILES
  # as      $(foreach lang, $(ALL_LINGUAS), $(srcdir)/$(lang).gmo)
  # Compute PROPERTIESFILES
  # as      $(foreach lang, $(ALL_LINGUAS), $(srcdir)/$(DOMAIN)_$(lang).properties)
  # Compute CLASSFILES
  # as      $(foreach lang, $(ALL_LINGUAS), $(srcdir)/$(DOMAIN)_$(lang).class)
  # Compute QMFILES
  # as      $(foreach lang, $(ALL_LINGUAS), $(srcdir)/$(lang).qm)
  # Compute MSGFILES
  # as      $(foreach lang, $(ALL_LINGUAS), $(srcdir)/$(frob $(lang)).msg)
  # Compute RESOURCESDLLFILES
  # as      $(foreach lang, $(ALL_LINGUAS), $(srcdir)/$(frob $(lang))/$(DOMAIN).resources.dll)
  case "$ac_given_srcdir" in
    .) srcdirpre= ;;
    *) srcdirpre='$(srcdir)/' ;;
  esac
  POFILES=
  UPDATEPOFILES=
  DUMMYPOFILES=
  GMOFILES=
  PROPERTIESFILES=
  CLASSFILES=
  QMFILES=
  MSGFILES=
  RESOURCESDLLFILES=
  for lang in $ALL_LINGUAS; do
    POFILES="$POFILES $srcdirpre$lang.po"
    UPDATEPOFILES="$UPDATEPOFILES $lang.po-update"
    DUMMYPOFILES="$DUMMYPOFILES $lang.nop"
    GMOFILES="$GMOFILES $srcdirpre$lang.gmo"
    PROPERTIESFILES="$PROPERTIESFILES \$(srcdir)/\$(DOMAIN)_$lang.properties"
    CLASSFILES="$CLASSFILES \$(srcdir)/\$(DOMAIN)_$lang.class"
    QMFILES="$QMFILES $srcdirpre$lang.qm"
    frobbedlang=`echo $lang | sed -e 's/\..*$//' -e 'y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/'`
    MSGFILES="$MSGFILES $srcdirpre$frobbedlang.msg"
    frobbedlang=`echo $lang | sed -e 's/_/-/g' -e 's/^sr-CS/sr-SP/' -e 's/@latin$/-Latn/' -e 's/@cyrillic$/-Cyrl/' -e 's/^sr-SP$/sr-SP-Latn/' -e 's/^uz-UZ$/uz-UZ-Latn/'`
    RESOURCESDLLFILES="$RESOURCESDLLFILES $srcdirpre$frobbedlang/\$(DOMAIN).resources.dll"
  done
  # CATALOGS depends on both $ac_dir and the user's LINGUAS
  # environment variable.
  INST_LINGUAS=
  if test -n "$ALL_LINGUAS"; then
    for presentlang in $ALL_LINGUAS; do
      useit=no
      if test "%UNSET%" != "$LINGUAS"; then
        desiredlanguages="$LINGUAS"
      else
        desiredlanguages="$ALL_LINGUAS"
      fi
      for desiredlang in $desiredlanguages; do
        # Use the presentlang catalog if desiredlang is
        #   a. equal to presentlang, or
        #   b. a variant of presentlang (because in this case,
        #      presentlang can be used as a fallback for messages
        #      which are not translated in the desiredlang catalog).
        case "$desiredlang" in
          "$presentlang" | "$presentlang"_* | "$presentlang".* | "$presentlang"@*)
            useit=yes
            ;;
        esac
      done
      if test $useit = yes; then
        INST_LINGUAS="$INST_LINGUAS $presentlang"
      fi
    done
  fi
  CATALOGS=
  JAVACATALOGS=
  QTCATALOGS=
  TCLCATALOGS=
  CSHARPCATALOGS=
  if test -n "$INST_LINGUAS"; then
    for lang in $INST_LINGUAS; do
      CATALOGS="$CATALOGS $lang.gmo"
      JAVACATALOGS="$JAVACATALOGS \$(DOMAIN)_$lang.properties"
      QTCATALOGS="$QTCATALOGS $lang.qm"
      frobbedlang=`echo $lang | sed -e 's/\..*$//' -e 'y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/'`
      TCLCATALOGS="$TCLCATALOGS $frobbedlang.msg"
      frobbedlang=`echo $lang | sed -e 's/_/-/g' -e 's/^sr-CS/sr-SP/' -e 's/@latin$/-Latn/' -e 's/@cyrillic$/-Cyrl/' -e 's/^sr-SP$/sr-SP-Latn/' -e 's/^uz-UZ$/uz-UZ-Latn/'`
      CSHARPCATALOGS="$CSHARPCATALOGS $frobbedlang/\$(DOMAIN).resources.dll"
    done
  fi

  sed -e "s|@POTFILES_DEPS@|$POTFILES_DEPS|g" -e "s|@POFILES@|$POFILES|g" -e "s|@UPDATEPOFILES@|$UPDATEPOFILES|g" -e "s|@DUMMYPOFILES@|$DUMMYPOFILES|g" -e "s|@GMOFILES@|$GMOFILES|g" -e "s|@PROPERTIESFILES@|$PROPERTIESFILES|g" -e "s|@CLASSFILES@|$CLASSFILES|g" -e "s|@QMFILES@|$QMFILES|g" -e "s|@MSGFILES@|$MSGFILES|g" -e "s|@RESOURCESDLLFILES@|$RESOURCESDLLFILES|g" -e "s|@CATALOGS@|$CATALOGS|g" -e "s|@JAVACATALOGS@|$JAVACATALOGS|g" -e "s|@QTCATALOGS@|$QTCATALOGS|g" -e "s|@TCLCATALOGS@|$TCLCATALOGS|g" -e "s|@CSHARPCATALOGS@|$CSHARPCATALOGS|g" -e 's,^#distdir:,distdir:,' < "$ac_file" > "$ac_file.tmp"
  tab=`printf '\t'`
  if grep -l '@TCLCATALOGS@' "$ac_file" > /dev/null; then
    # Add dependencies that cannot be formulated as a simple suffix rule.
    for lang in $ALL_LINGUAS; do
      frobbedlang=`echo $lang | sed -e 's/\..*$//' -e 'y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/'`
      cat >> "$ac_file.tmp" <<EOF
$frobbedlang.msg: $lang.po
${tab}@echo "\$(MSGFMT) -c --tcl -d \$(srcdir) -l $lang $srcdirpre$lang.po"; \
${tab}\$(MSGFMT) -c --tcl -d "\$(srcdir)" -l $lang $srcdirpre$lang.po || { rm -f "\$(srcdir)/$frobbedlang.msg"; exit 1; }
EOF
    done
  fi
  if grep -l '@CSHARPCATALOGS@' "$ac_file" > /dev/null; then
    # Add dependencies that cannot be formulated as a simple suffix rule.
    for lang in $ALL_LINGUAS; do
      frobbedlang=`echo $lang | sed -e 's/_/-/g' -e 's/^sr-CS/sr-SP/' -e 's/@latin$/-Latn/' -e 's/@cyrillic$/-Cyrl/' -e 's/^sr-SP$/sr-SP-Latn/' -e 's/^uz-UZ$/uz-UZ-Latn/'`
      cat >> "$ac_file.tmp" <<EOF
$frobbedlang/\$(DOMAIN).resources.dll: $lang.po
${tab}@echo "\$(MSGFMT) -c --csharp -d \$(srcdir) -l $lang $srcdirpre$lang.po -r \$(DOMAIN)"; \
${tab}\$(MSGFMT) -c --csharp -d "\$(srcdir)" -l $lang $srcdirpre$lang.po -r "\$(DOMAIN)" || { rm -f "\$(srcdir)/$frobbedlang.msg"; exit 1; }
EOF
    done
  fi
  if test -n "$POMAKEFILEDEPS"; then
    cat >> "$ac_file.tmp" <<EOF
Makefile: $POMAKEFILEDEPS
EOF
  fi
  mv "$ac_file.tmp" "$ac_file"
])
m4trace:m4/po.m4:444: -1- AC_DEFUN([AM_XGETTEXT_OPTION_INIT], [
  XGETTEXT_EXTRA_OPTIONS=
])
m4trace:m4/po.m4:450: -1- AC_DEFUN([AM_XGETTEXT_OPTION], [
  AC_REQUIRE([AM_XGETTEXT_OPTION_INIT])
  XGETTEXT_EXTRA_OPTIONS="$XGETTEXT_EXTRA_OPTIONS $1"
])
m4trace:m4/posix-shell.m4:17: -1- AC_DEFUN([gl_POSIX_SHELL], [
  AC_CACHE_CHECK([for a shell that conforms to POSIX], [gl_cv_posix_shell],
    [gl_test_posix_shell_script='
       func_return () {
	 (exit [$]1)
       }
       func_success () {
	 func_return 0
       }
       func_failure () {
	 func_return 1
       }
       func_ret_success () {
	 return 0
       }
       func_ret_failure () {
	 return 1
       }
       subshell_umask_sanity () {
	 (umask 22; (umask 0); test $(umask) -eq 22)
       }
       test "[$](echo foo)" = foo &&
       func_success &&
       ! func_failure &&
       func_ret_success &&
       ! func_ret_failure &&
       (set x && func_ret_success y && test x = "[$]1") &&
       subshell_umask_sanity
     '
     for gl_cv_posix_shell in \
	 "$CONFIG_SHELL" "$SHELL" /bin/sh /bin/bash /bin/ksh /bin/sh5 no; do
       case $gl_cv_posix_shell in
         /*)
	   "$gl_cv_posix_shell" -c "$gl_test_posix_shell_script" 2>/dev/null \
	     && break;;
       esac
     done])

  if test "$gl_cv_posix_shell" != no; then
    POSIX_SHELL=$gl_cv_posix_shell
    PREFERABLY_POSIX_SHELL=$POSIX_SHELL
  else
    POSIX_SHELL=
    PREFERABLY_POSIX_SHELL=/bin/sh
  fi
  AC_SUBST([POSIX_SHELL])
  AC_SUBST([PREFERABLY_POSIX_SHELL])
])
m4trace:m4/progtest.m4:25: -1- AC_DEFUN([AM_PATH_PROG_WITH_TEST], [
# Prepare PATH_SEPARATOR.
# The user is always right.
if test "${PATH_SEPARATOR+set}" != set; then
  # Determine PATH_SEPARATOR by trying to find /bin/sh in a PATH which
  # contains only /bin. Note that ksh looks also at the FPATH variable,
  # so we have to set that as well for the test.
  PATH_SEPARATOR=:
  (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 \
    && { (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 \
           || PATH_SEPARATOR=';'
       }
fi

# Find out how to test for executable files. Don't use a zero-byte file,
# as systems may use methods other than mode bits to determine executability.
cat >conf$$.file <<_ASEOF
#! /bin/sh
exit 0
_ASEOF
chmod +x conf$$.file
if test -x conf$$.file >/dev/null 2>&1; then
  ac_executable_p="test -x"
else
  ac_executable_p="test -f"
fi
rm -f conf$$.file

# Extract the first word of "$2", so it can be a program name with args.
set dummy $2; ac_word=[$]2
AC_MSG_CHECKING([for $ac_word])
AC_CACHE_VAL([ac_cv_path_$1],
[case "[$]$1" in
  [[\\/]]* | ?:[[\\/]]*)
    ac_cv_path_$1="[$]$1" # Let the user override the test with a path.
    ;;
  *)
    ac_save_IFS="$IFS"; IFS=$PATH_SEPARATOR
    for ac_dir in m4_if([$5], , $PATH, [$5]); do
      IFS="$ac_save_IFS"
      test -z "$ac_dir" && ac_dir=.
      for ac_exec_ext in '' $ac_executable_extensions; do
        if $ac_executable_p "$ac_dir/$ac_word$ac_exec_ext"; then
          echo "$as_me: trying $ac_dir/$ac_word..." >&AS_MESSAGE_LOG_FD
          if [$3]; then
            ac_cv_path_$1="$ac_dir/$ac_word$ac_exec_ext"
            break 2
          fi
        fi
      done
    done
    IFS="$ac_save_IFS"
dnl If no 4th arg is given, leave the cache variable unset,
dnl so AC_PATH_PROGS will keep looking.
m4_if([$4], , , [  test -z "[$]ac_cv_path_$1" && ac_cv_path_$1="$4"
])dnl
    ;;
esac])dnl
$1="$ac_cv_path_$1"
if test m4_if([$4], , [-n "[$]$1"], ["[$]$1" != "$4"]); then
  AC_MSG_RESULT([$][$1])
else
  AC_MSG_RESULT([no])
fi
AC_SUBST([$1])dnl
])
m4trace:m4/tuklib_common.m4:19: -1- AC_DEFUN_ONCE([TUKLIB_COMMON], [
AC_REQUIRE([AC_CANONICAL_HOST])
AC_REQUIRE([AC_PROG_CC_C99])
AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
])
m4trace:m4/tuklib_cpucores.m4:29: -1- AC_DEFUN_ONCE([TUKLIB_CPUCORES], [
AC_REQUIRE([TUKLIB_COMMON])

# sys/param.h might be needed by sys/sysctl.h.
AC_CHECK_HEADERS([sys/param.h])

AC_CACHE_CHECK([how to detect the number of available CPU cores],
	[tuklib_cv_cpucores_method], [

# Maybe checking $host_os would be enough but this matches what
# tuklib_cpucores.c does.
#
# NOTE: IRIX has a compiler that doesn't error out with #error, so use
# a non-compilable text instead of #error to generate an error.
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
#if defined(_WIN32) || defined(__CYGWIN__)
int main(void) { return 0; }
#else
compile error
#endif
]])], [tuklib_cv_cpucores_method=special], [

# glibc-based systems (GNU/Linux and GNU/kFreeBSD) have sched_getaffinity().
# The CPU_COUNT() macro was added in glibc 2.9 so we try to link the
# test program instead of merely compiling it. glibc 2.9 is old enough that
# if someone uses the code on older glibc, the fallback to sysconf() should
# be good enough.
AC_LINK_IFELSE([AC_LANG_SOURCE([[
#include <sched.h>
int
main(void)
{
	cpu_set_t cpu_mask;
	sched_getaffinity(0, sizeof(cpu_mask), &cpu_mask);
	return CPU_COUNT(&cpu_mask);
}
]])], [tuklib_cv_cpucores_method=sched_getaffinity], [

# FreeBSD has both cpuset and sysctl. Look for cpuset first because
# it's a better approach.
#
# This test would match on GNU/kFreeBSD too but it would require
# -lfreebsd-glue when linking and thus in the current form this would
# fail on GNU/kFreeBSD. The above test for sched_getaffinity() matches
# on GNU/kFreeBSD so the test below should never run on that OS.
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
#include <sys/param.h>
#include <sys/cpuset.h>

int
main(void)
{
	cpuset_t set;
	cpuset_getaffinity(CPU_LEVEL_WHICH, CPU_WHICH_PID, -1,
			sizeof(set), &set);
	return 0;
}
]])], [tuklib_cv_cpucores_method=cpuset], [

# On OS/2, both sysconf() and sysctl() pass the tests in this file,
# but only sysctl() works. On QNX it's the opposite: only sysconf() works
# (although it assumes that _POSIX_SOURCE, _XOPEN_SOURCE, and _POSIX_C_SOURCE
# are undefined or alternatively _QNX_SOURCE is defined).
#
# We test sysctl() first and intentionally break the sysctl() test on QNX
# so that sysctl() is never used on QNX.
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
#ifdef __QNX__
compile error
#endif
#ifdef HAVE_SYS_PARAM_H
#	include <sys/param.h>
#endif
#include <sys/sysctl.h>
int
main(void)
{
#ifdef HW_NCPUONLINE
	/* This is preferred on OpenBSD, see tuklib_cpucores.c. */
	int name[2] = { CTL_HW, HW_NCPUONLINE };
#else
	int name[2] = { CTL_HW, HW_NCPU };
#endif
	int cpus;
	size_t cpus_size = sizeof(cpus);
	sysctl(name, 2, &cpus, &cpus_size, NULL, 0);
	return 0;
}
]])], [tuklib_cv_cpucores_method=sysctl], [

AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
#include <unistd.h>
int
main(void)
{
	long i;
#ifdef _SC_NPROCESSORS_ONLN
	/* Many systems using sysconf() */
	i = sysconf(_SC_NPROCESSORS_ONLN);
#else
	/* IRIX */
	i = sysconf(_SC_NPROC_ONLN);
#endif
	return 0;
}
]])], [tuklib_cv_cpucores_method=sysconf], [

AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
#include <sys/param.h>
#include <sys/pstat.h>

int
main(void)
{
	struct pst_dynamic pst;
	pstat_getdynamic(&pst, sizeof(pst), 1, 0);
	(void)pst.psd_proc_cnt;
	return 0;
}
]])], [tuklib_cv_cpucores_method=pstat_getdynamic], [

	tuklib_cv_cpucores_method=unknown
])])])])])])])

case $tuklib_cv_cpucores_method in
	sched_getaffinity)
		AC_DEFINE([TUKLIB_CPUCORES_SCHED_GETAFFINITY], [1],
			[Define to 1 if the number of available CPU cores
			can be detected with sched_getaffinity()])
		;;
	cpuset)
		AC_DEFINE([TUKLIB_CPUCORES_CPUSET], [1],
			[Define to 1 if the number of available CPU cores
			can be detected with cpuset(2).])
		;;
	sysctl)
		AC_DEFINE([TUKLIB_CPUCORES_SYSCTL], [1],
			[Define to 1 if the number of available CPU cores
			can be detected with sysctl().])
		;;
	sysconf)
		AC_DEFINE([TUKLIB_CPUCORES_SYSCONF], [1],
			[Define to 1 if the number of available CPU cores
			can be detected with sysconf(_SC_NPROCESSORS_ONLN)
			or sysconf(_SC_NPROC_ONLN).])
		;;
	pstat_getdynamic)
		AC_DEFINE([TUKLIB_CPUCORES_PSTAT_GETDYNAMIC], [1],
			[Define to 1 if the number of available CPU cores
			can be detected with pstat_getdynamic().])
		;;
esac
])
m4trace:m4/tuklib_integer.m4:23: -1- AC_DEFUN_ONCE([TUKLIB_INTEGER], [
AC_REQUIRE([TUKLIB_COMMON])
AC_REQUIRE([AC_C_BIGENDIAN])

AC_MSG_CHECKING([if __builtin_bswap16/32/64 are supported])
AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
			[[__builtin_bswap16(1);
			__builtin_bswap32(1);
			__builtin_bswap64(1);]])],
[
	AC_DEFINE([HAVE___BUILTIN_BSWAPXX], [1],
		[Define to 1 if the GNU C extensions
		__builtin_bswap16/32/64 are supported.])
	AC_MSG_RESULT([yes])
], [
	AC_MSG_RESULT([no])

	# Look for other byteswapping methods.
	AC_CHECK_HEADERS([byteswap.h sys/endian.h sys/byteorder.h], [break])

	# Even if we have byteswap.h we may lack the specific macros/functions.
	if test x$ac_cv_header_byteswap_h = xyes ; then
		m4_foreach([FUNC], [bswap_16,bswap_32,bswap_64], [
			AC_MSG_CHECKING([if FUNC is available])
			AC_LINK_IFELSE([AC_LANG_SOURCE([
#include <byteswap.h>
int
main(void)
{
	FUNC[](42);
	return 0;
}
			])], [
				AC_DEFINE(HAVE_[]m4_toupper(FUNC), [1],
					[Define to 1 if] FUNC [is available.])
				AC_MSG_RESULT([yes])
			], [AC_MSG_RESULT([no])])

		])dnl
	fi
])

AC_MSG_CHECKING([if unaligned memory access should be used])
AC_ARG_ENABLE([unaligned-access], AS_HELP_STRING([--enable-unaligned-access],
		[Enable if the system supports *fast* unaligned memory access
		with 16-bit, 32-bit, and 64-bit integers. By default,
		this is enabled on x86, x86-64,
		32/64-bit big endian PowerPC,
		64-bit little endian PowerPC,
		and some ARM, ARM64, and RISC-V systems.]),
	[], [enable_unaligned_access=auto])
if test "x$enable_unaligned_access" = xauto ; then
	# NOTE: There might be other architectures on which unaligned access
	# is fast.
	case $host_cpu in
		i?86|x86_64|powerpc|powerpc64|powerpc64le)
			enable_unaligned_access=yes
			;;
		arm*|aarch64*|riscv*)
			# On 32-bit and 64-bit ARM, GCC and Clang
			# #define __ARM_FEATURE_UNALIGNED if
			# unaligned access is supported.
			#
			# Exception: GCC at least up to 13.2.0
			# defines it even when using -mstrict-align
			# so in that case this autodetection goes wrong.
			# Most of the time -mstrict-align isn't used so it
			# shouldn't be a common problem in practice. See:
			# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111555
			#
			# RISC-V C API Specification says that if
			# __riscv_misaligned_fast is defined then
			# unaligned access is known to be fast.
			#
			# MSVC is handled as a special case: We assume that
			# 32/64-bit ARM supports fast unaligned access.
			# If MSVC gets RISC-V support then this will assume
			# fast unaligned access on RISC-V too.
			AC_COMPILE_IFELSE([AC_LANG_SOURCE([
#if !defined(__ARM_FEATURE_UNALIGNED) \
		&& !defined(__riscv_misaligned_fast) \
		&& !defined(_MSC_VER)
compile error
#endif
int main(void) { return 0; }
])], [enable_unaligned_access=yes], [enable_unaligned_access=no])
			;;
		*)
			enable_unaligned_access=no
			;;
	esac
fi
if test "x$enable_unaligned_access" = xyes ; then
	AC_DEFINE([TUKLIB_FAST_UNALIGNED_ACCESS], [1], [Define to 1 if
		the system supports fast unaligned access to 16-bit,
		32-bit, and 64-bit integers.])
	AC_MSG_RESULT([yes])
else
	AC_MSG_RESULT([no])
fi

AC_MSG_CHECKING([if unsafe type punning should be used])
AC_ARG_ENABLE([unsafe-type-punning],
	AS_HELP_STRING([--enable-unsafe-type-punning],
		[This introduces strict aliasing violations and may result
		in broken code. However, this might improve performance in
		some cases, especially with old compilers (e.g.
		GCC 3 and early 4.x on x86, GCC < 6 on ARMv6 and ARMv7).]),
	[], [enable_unsafe_type_punning=no])
if test "x$enable_unsafe_type_punning" = xyes ; then
	AC_DEFINE([TUKLIB_USE_UNSAFE_TYPE_PUNNING], [1], [Define to 1 to use
		unsafe type punning, e.g. char *x = ...; *(int *)x = 123;
		which violates strict aliasing rules and thus is
		undefined behavior and might result in broken code.])
	AC_MSG_RESULT([yes])
else
	AC_MSG_RESULT([no])
fi

AC_MSG_CHECKING([if __builtin_assume_aligned is supported])
AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[__builtin_assume_aligned("", 1);]])],
	[
		AC_DEFINE([HAVE___BUILTIN_ASSUME_ALIGNED], [1],
			[Define to 1 if the GNU C extension
			__builtin_assume_aligned is supported.])
		AC_MSG_RESULT([yes])
	], [
		AC_MSG_RESULT([no])
	])
])
m4trace:m4/tuklib_mbstr.m4:27: -1- AC_DEFUN_ONCE([TUKLIB_MBSTR], [
AC_REQUIRE([TUKLIB_COMMON])
AC_FUNC_MBRTOWC
AC_CHECK_FUNCS([wcwidth])
])
m4trace:m4/tuklib_physmem.m4:41: -1- AC_DEFUN_ONCE([TUKLIB_PHYSMEM], [
AC_REQUIRE([TUKLIB_COMMON])

# sys/param.h might be needed by sys/sysctl.h.
AC_CHECK_HEADERS([sys/param.h])

AC_CACHE_CHECK([how to detect the amount of physical memory],
	[tuklib_cv_physmem_method], [

# Maybe checking $host_os would be enough but this matches what
# tuklib_physmem.c does.
#
# NOTE: IRIX has a compiler that doesn't error out with #error, so use
# a non-compilable text instead of #error to generate an error.
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
#if defined(_WIN32) || defined(__CYGWIN__) || defined(__OS2__) \
		|| defined(__DJGPP__) || defined(__VMS) \
		|| defined(AMIGA) || defined(__AROS__) || defined(__QNX__)
int main(void) { return 0; }
#else
compile error
#endif
]])], [tuklib_cv_physmem_method=special], [

# Look for AIX-specific solution before sysconf(), because the test
# for sysconf() will pass on AIX but won't actually work
# (sysconf(_SC_PHYS_PAGES) compiles but always returns -1 on AIX).
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
#include <sys/systemcfg.h>

int
main(void)
{
	(void)_system_configuration.physmem;
	return 0;
}
]])], [tuklib_cv_physmem_method=aix], [

AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
#include <unistd.h>
int
main(void)
{
	long i;
	i = sysconf(_SC_PAGESIZE);
	i = sysconf(_SC_PHYS_PAGES);
	return 0;
}
]])], [tuklib_cv_physmem_method=sysconf], [

AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
#ifdef HAVE_SYS_PARAM_H
#	include <sys/param.h>
#endif
#include <sys/sysctl.h>
int
main(void)
{
	int name[2] = { CTL_HW, HW_PHYSMEM };
	unsigned long mem;
	size_t mem_ptr_size = sizeof(mem);
	sysctl(name, 2, &mem, &mem_ptr_size, NULL, 0);
	return 0;
}
]])], [tuklib_cv_physmem_method=sysctl], [

AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
#include <sys/sysinfo.h>
#include <machine/hal_sysinfo.h>

int
main(void)
{
	int memkb;
	int start = 0;
	getsysinfo(GSI_PHYSMEM, (caddr_t)&memkb, sizeof(memkb), &start);
	return 0;
}
]])], [tuklib_cv_physmem_method=getsysinfo],[

AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
#include <sys/param.h>
#include <sys/pstat.h>

int
main(void)
{
	struct pst_static pst;
	pstat_getstatic(&pst, sizeof(pst), 1, 0);
	(void)pst.physical_memory;
	(void)pst.page_size;
	return 0;
}
]])], [tuklib_cv_physmem_method=pstat_getstatic],[

AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
#include <invent.h>
int
main(void)
{
	inv_state_t *st = NULL;
	setinvent_r(&st);
	getinvent_r(st);
	endinvent_r(st);
	return 0;
}
]])], [tuklib_cv_physmem_method=getinvent_r], [

# This version of sysinfo() is Linux-specific. Some non-Linux systems have
# different sysinfo() so we must check $host_os.
case $host_os in
	linux*)
		AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
#include <sys/sysinfo.h>
int
main(void)
{
	struct sysinfo si;
	sysinfo(&si);
	return 0;
}
		]])], [
			tuklib_cv_physmem_method=sysinfo
		], [
			tuklib_cv_physmem_method=unknown
		])
		;;
	*)
		tuklib_cv_physmem_method=unknown
		;;
esac
])])])])])])])])

case $tuklib_cv_physmem_method in
	aix)
		AC_DEFINE([TUKLIB_PHYSMEM_AIX], [1],
			[Define to 1 if the amount of physical memory
			can be detected with _system_configuration.physmem.])
		;;
	sysconf)
		AC_DEFINE([TUKLIB_PHYSMEM_SYSCONF], [1],
			[Define to 1 if the amount of physical memory can
			be detected with sysconf(_SC_PAGESIZE) and
			sysconf(_SC_PHYS_PAGES).])
		;;
	sysctl)
		AC_DEFINE([TUKLIB_PHYSMEM_SYSCTL], [1],
			[Define to 1 if the amount of physical memory can
			be detected with sysctl().])
		;;
	getsysinfo)
		AC_DEFINE([TUKLIB_PHYSMEM_GETSYSINFO], [1],
			[Define to 1 if the amount of physical memory can
			be detected with getsysinfo().])
		;;
	pstat_getstatic)
		AC_DEFINE([TUKLIB_PHYSMEM_PSTAT_GETSTATIC], [1],
			[Define to 1 if the amount of physical memory can
			be detected with pstat_getstatic().])
		;;
	getinvent_r)
		AC_DEFINE([TUKLIB_PHYSMEM_GETINVENT_R], [1],
			[Define to 1 if the amount of physical memory
			can be detected with getinvent_r().])
		;;
	sysinfo)
		AC_DEFINE([TUKLIB_PHYSMEM_SYSINFO], [1],
			[Define to 1 if the amount of physical memory
			can be detected with Linux sysinfo().])
		;;
esac
])
m4trace:m4/tuklib_progname.m4:23: -1- AC_DEFUN_ONCE([TUKLIB_PROGNAME], [
AC_REQUIRE([TUKLIB_COMMON])
AC_CHECK_DECL([program_invocation_name], [AC_DEFINE(
	[HAVE_PROGRAM_INVOCATION_NAME], [1],
	[Define to 1 if 'program_invocation_name' is declared in <errno.h>.])],
	[], [#include <errno.h>])
])
m4trace:m4/visibility.m4:25: -1- AC_DEFUN([gl_VISIBILITY], [
  AC_REQUIRE([AC_PROG_CC])
  CFLAG_VISIBILITY=
  HAVE_VISIBILITY=0
  if test -n "$GCC"; then
    dnl First, check whether -Werror can be added to the command line, or
    dnl whether it leads to an error because of some other option that the
    dnl user has put into $CC $CFLAGS $CPPFLAGS.
    AC_CACHE_CHECK([whether the -Werror option is usable],
      [gl_cv_cc_vis_werror],
      [gl_save_CFLAGS="$CFLAGS"
       CFLAGS="$CFLAGS -Werror"
       AC_COMPILE_IFELSE(
         [AC_LANG_PROGRAM([[]], [[]])],
         [gl_cv_cc_vis_werror=yes],
         [gl_cv_cc_vis_werror=no])
       CFLAGS="$gl_save_CFLAGS"
      ])
    dnl Now check whether visibility declarations are supported.
    AC_CACHE_CHECK([for simple visibility declarations],
      [gl_cv_cc_visibility],
      [gl_save_CFLAGS="$CFLAGS"
       CFLAGS="$CFLAGS -fvisibility=hidden"
       dnl We use the option -Werror and a function dummyfunc, because on some
       dnl platforms (Cygwin 1.7) the use of -fvisibility triggers a warning
       dnl "visibility attribute not supported in this configuration; ignored"
       dnl at the first function definition in every compilation unit, and we
       dnl don't want to use the option in this case.
       if test $gl_cv_cc_vis_werror = yes; then
         CFLAGS="$CFLAGS -Werror"
       fi
       AC_COMPILE_IFELSE(
         [AC_LANG_PROGRAM(
            [[extern __attribute__((__visibility__("hidden"))) int hiddenvar;
              extern __attribute__((__visibility__("default"))) int exportedvar;
              extern __attribute__((__visibility__("hidden"))) int hiddenfunc (void);
              extern __attribute__((__visibility__("default"))) int exportedfunc (void);
              void dummyfunc (void);
              int hiddenvar;
              int exportedvar;
              int hiddenfunc (void) { return 51; }
              int exportedfunc (void) { return 1225736919; }
              void dummyfunc (void) {}
            ]],
            [[]])],
         [gl_cv_cc_visibility=yes],
         [gl_cv_cc_visibility=no])
       CFLAGS="$gl_save_CFLAGS"
      ])
    if test $gl_cv_cc_visibility = yes; then
      CFLAG_VISIBILITY="-fvisibility=hidden"
      HAVE_VISIBILITY=1
    fi
  fi
  AC_SUBST([CFLAG_VISIBILITY])
  AC_SUBST([HAVE_VISIBILITY])
  AC_DEFINE_UNQUOTED([HAVE_VISIBILITY], [$HAVE_VISIBILITY],
    [Define to 1 or 0, depending whether the compiler supports simple visibility declarations.])
])
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m4trace:configure.ac:19: -1- m4_pattern_forbid([_AC_])
m4trace:configure.ac:19: -1- m4_pattern_forbid([^LIBOBJS$], [do not use LIBOBJS directly, use AC_LIBOBJ (see section 'AC_LIBOBJ vs LIBOBJS'])
m4trace:configure.ac:19: -1- m4_pattern_allow([^AS_FLAGS$])
m4trace:configure.ac:19: -1- m4_pattern_forbid([^_?m4_])
m4trace:configure.ac:19: -1- m4_pattern_forbid([^dnl$])
m4trace:configure.ac:19: -1- m4_pattern_forbid([^_?AS_])
m4trace:configure.ac:19: -1- m4_pattern_allow([^SHELL$])
m4trace:configure.ac:19: -1- m4_pattern_allow([^PATH_SEPARATOR$])
m4trace:configure.ac:19: -1- m4_pattern_allow([^PACKAGE_NAME$])
m4trace:configure.ac:19: -1- m4_pattern_allow([^PACKAGE_TARNAME$])
m4trace:configure.ac:19: -1- m4_pattern_allow([^PACKAGE_VERSION$])
m4trace:configure.ac:19: -1- m4_pattern_allow([^PACKAGE_STRING$])
m4trace:configure.ac:19: -1- m4_pattern_allow([^PACKAGE_BUGREPORT$])
m4trace:configure.ac:19: -1- m4_pattern_allow([^PACKAGE_URL$])
m4trace:configure.ac:19: -1- m4_pattern_allow([^exec_prefix$])
m4trace:configure.ac:19: -1- m4_pattern_allow([^prefix$])
m4trace:configure.ac:19: -1- m4_pattern_allow([^program_transform_name$])
m4trace:configure.ac:19: -1- m4_pattern_allow([^bindir$])
m4trace:configure.ac:19: -1- m4_pattern_allow([^sbindir$])
m4trace:configure.ac:19: -1- m4_pattern_allow([^libexecdir$])
m4trace:configure.ac:19: -1- m4_pattern_allow([^datarootdir$])
m4trace:configure.ac:19: -1- m4_pattern_allow([^datadir$])
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m4trace:configure.ac:19: -1- m4_pattern_allow([^oldincludedir$])
m4trace:configure.ac:19: -1- m4_pattern_allow([^docdir$])
m4trace:configure.ac:19: -1- m4_pattern_allow([^infodir$])
m4trace:configure.ac:19: -1- m4_pattern_allow([^htmldir$])
m4trace:configure.ac:19: -1- m4_pattern_allow([^dvidir$])
m4trace:configure.ac:19: -1- m4_pattern_allow([^pdfdir$])
m4trace:configure.ac:19: -1- m4_pattern_allow([^psdir$])
m4trace:configure.ac:19: -1- m4_pattern_allow([^libdir$])
m4trace:configure.ac:19: -1- m4_pattern_allow([^localedir$])
m4trace:configure.ac:19: -1- m4_pattern_allow([^mandir$])
m4trace:configure.ac:19: -1- m4_pattern_allow([^PACKAGE_NAME$])
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m4trace:configure.ac:19: -1- m4_pattern_allow([^PACKAGE_VERSION$])
m4trace:configure.ac:19: -1- m4_pattern_allow([^PACKAGE_STRING$])
m4trace:configure.ac:19: -1- m4_pattern_allow([^PACKAGE_BUGREPORT$])
m4trace:configure.ac:19: -1- m4_pattern_allow([^PACKAGE_URL$])
m4trace:configure.ac:19: -1- m4_pattern_allow([^DEFS$])
m4trace:configure.ac:19: -1- m4_pattern_allow([^ECHO_C$])
m4trace:configure.ac:19: -1- m4_pattern_allow([^ECHO_N$])
m4trace:configure.ac:19: -1- m4_pattern_allow([^ECHO_T$])
m4trace:configure.ac:19: -1- m4_pattern_allow([^LIBS$])
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m4trace:configure.ac:19: -1- m4_pattern_allow([^target_alias$])
m4trace:configure.ac:23: -1- AC_CONFIG_MACRO_DIR([m4])
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m4trace:configure.ac:32: -1- m4_pattern_allow([^build$])
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m4trace:configure.ac:32: -1- m4_pattern_allow([^build_os$])
m4trace:configure.ac:32: -1- m4_pattern_allow([^host$])
m4trace:configure.ac:32: -1- m4_pattern_allow([^host_cpu$])
m4trace:configure.ac:32: -1- m4_pattern_allow([^host_vendor$])
m4trace:configure.ac:32: -1- m4_pattern_allow([^host_os$])
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m4trace:configure.ac:104: -1- m4_pattern_allow([^HAVE_ENCODER_LZMA1$])
m4trace:configure.ac:104: -1- m4_pattern_allow([^HAVE_ENCODER_LZMA2$])
m4trace:configure.ac:104: -1- m4_pattern_allow([^HAVE_ENCODER_DELTA$])
m4trace:configure.ac:104: -1- m4_pattern_allow([^HAVE_ENCODER_X86$])
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m4trace:configure.ac:104: -1- m4_pattern_allow([^HAVE_ENCODER_IA64$])
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m4trace:configure.ac:117: -1- m4_pattern_allow([^HAVE_ENCODERS$])
m4trace:configure.ac:134: -1- m4_pattern_allow([^HAVE_DECODER_LZMA1$])
m4trace:configure.ac:134: -1- m4_pattern_allow([^HAVE_DECODER_LZMA2$])
m4trace:configure.ac:134: -1- m4_pattern_allow([^HAVE_DECODER_DELTA$])
m4trace:configure.ac:134: -1- m4_pattern_allow([^HAVE_DECODER_X86$])
m4trace:configure.ac:134: -1- m4_pattern_allow([^HAVE_DECODER_POWERPC$])
m4trace:configure.ac:134: -1- m4_pattern_allow([^HAVE_DECODER_IA64$])
m4trace:configure.ac:134: -1- m4_pattern_allow([^HAVE_DECODER_ARM$])
m4trace:configure.ac:134: -1- m4_pattern_allow([^HAVE_DECODER_ARMTHUMB$])
m4trace:configure.ac:134: -1- m4_pattern_allow([^HAVE_DECODER_ARM64$])
m4trace:configure.ac:134: -1- m4_pattern_allow([^HAVE_DECODER_SPARC$])
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m4trace:configure.ac:147: -1- m4_pattern_allow([^HAVE_DECODERS$])
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m4trace:configure.ac:160: -1- _AM_SUBST_NOTMAKE([COND_DECODER_LZMA1_FALSE])
m4trace:configure.ac:160: -1- AM_CONDITIONAL([COND_FILTER_LZMA2], [test "x$enable_filter_lzma2" = xyes])
m4trace:configure.ac:160: -1- m4_pattern_allow([^COND_FILTER_LZMA2_TRUE$])
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m4trace:configure.ac:160: -1- m4_pattern_allow([^COND_FILTER_DELTA_TRUE$])
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m4trace:configure.ac:160: -1- m4_pattern_allow([^COND_DECODER_ARM_FALSE$])
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m4trace:configure.ac:160: -1- _AM_SUBST_NOTMAKE([COND_DECODER_ARM_FALSE])
m4trace:configure.ac:160: -1- AM_CONDITIONAL([COND_FILTER_ARMTHUMB], [test "x$enable_filter_armthumb" = xyes])
m4trace:configure.ac:160: -1- m4_pattern_allow([^COND_FILTER_ARMTHUMB_TRUE$])
m4trace:configure.ac:160: -1- m4_pattern_allow([^COND_FILTER_ARMTHUMB_FALSE$])
m4trace:configure.ac:160: -1- _AM_SUBST_NOTMAKE([COND_FILTER_ARMTHUMB_TRUE])
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