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-rw-r--r--external/unbound/configure.ac1370
1 files changed, 1370 insertions, 0 deletions
diff --git a/external/unbound/configure.ac b/external/unbound/configure.ac
new file mode 100644
index 000000000..a22ddc90c
--- /dev/null
+++ b/external/unbound/configure.ac
@@ -0,0 +1,1370 @@
+# -*- Autoconf -*-
+# Process this file with autoconf to produce a configure script.
+AC_PREREQ(2.56)
+sinclude(acx_nlnetlabs.m4)
+sinclude(ax_pthread.m4)
+sinclude(acx_python.m4)
+sinclude(ac_pkg_swig.m4)
+sinclude(dnstap/dnstap.m4)
+
+# must be numbers. ac_defun because of later processing
+m4_define([VERSION_MAJOR],[1])
+m4_define([VERSION_MINOR],[4])
+m4_define([VERSION_MICRO],[23])
+AC_INIT(unbound, m4_defn([VERSION_MAJOR]).m4_defn([VERSION_MINOR]).m4_defn([VERSION_MICRO]), unbound-bugs@nlnetlabs.nl, unbound)
+AC_SUBST(UNBOUND_VERSION_MAJOR, [VERSION_MAJOR])
+AC_SUBST(UNBOUND_VERSION_MINOR, [VERSION_MINOR])
+AC_SUBST(UNBOUND_VERSION_MICRO, [VERSION_MICRO])
+
+LIBUNBOUND_CURRENT=4
+LIBUNBOUND_REVISION=3
+LIBUNBOUND_AGE=2
+# 1.0.0 had 0:12:0
+# 1.0.1 had 0:13:0
+# 1.0.2 had 0:14:0
+# 1.1.0 had 0:15:0
+# 1.1.1 had 0:16:0
+# 1.2.0 had 0:17:0
+# 1.2.1 had 0:18:0
+# 1.3.0 had 1:0:0 # ub_cancel and -export-symbols.
+# 1.3.1 had 1:1:0
+# 1.3.2 had 1:2:0
+# 1.3.3 had 1:3:0
+# 1.3.4 had 1:4:0
+# 1.4.0-snapshots had 1:5:0
+# 1.4.0 had 1:5:0 (not 2:0:0) # ub_result.why_bogus
+# 1.4.1 had 2:1:0
+# 1.4.2 had 2:2:0
+# 1.4.3 had 2:3:0
+# 1.4.4 had 2:4:0
+# 1.4.5 had 2:5:0
+# 1.4.6 had 2:6:0
+# 1.4.7 had 2:7:0
+# 1.4.8 had 2:8:0
+# 1.4.9 had 2:9:0
+# 1.4.10 had 2:10:0
+# 1.4.11 had 2:11:0
+# 1.4.12 had 2:12:0
+# 1.4.13 had 2:13:0
+# and 1.4.13p1 and 1.4.13.p2
+# 1.4.14 had 2:14:0
+# 1.4.15 had 3:0:1 # adds ub_version()
+# 1.4.16 had 3:1:1
+# 1.4.17 had 3:2:1
+# 1.4.18 had 3:3:1
+# 1.4.19 had 3:4:1
+# 1.4.20 had 4:0:2 # adds libunbound.ttl # but shipped 3:5:1
+# 1.4.21 had 4:1:2
+# 1.4.22 had 4:1:2
+# 1.4.23 had 4:3:2
+
+# Current -- the number of the binary API that we're implementing
+# Revision -- which iteration of the implementation of the binary
+# API are we supplying?
+# Age -- How many previous binary API versions do we also
+# support?
+#
+# If we release a new version that does not change the binary API,
+# increment Revision.
+#
+# If we release a new version that changes the binary API, but does
+# not break programs compiled against the old binary API, increment
+# Current and Age. Set Revision to 0, since this is the first
+# implementation of the new API.
+#
+# Otherwise, we're changing the binary API and breaking bakward
+# compatibility with old binaries. Increment Current. Set Age to 0,
+# since we're backward compatible with no previous APIs. Set Revision
+# to 0 too.
+AC_SUBST(LIBUNBOUND_CURRENT)
+AC_SUBST(LIBUNBOUND_REVISION)
+AC_SUBST(LIBUNBOUND_AGE)
+
+CFLAGS="$CFLAGS"
+AC_AIX
+if test "$ac_cv_header_minix_config_h" = "yes"; then
+ AC_DEFINE(_NETBSD_SOURCE,1, [Enable for compile on Minix])
+fi
+
+dnl
+dnl By default set prefix to /usr/local
+dnl
+case "$prefix" in
+ NONE)
+ prefix="/usr/local"
+ ;;
+esac
+
+# are we on MinGW?
+if uname -s 2>&1 | grep MINGW32 >/dev/null; then on_mingw="yes"
+else
+ if echo $target | grep mingw32 >/dev/null; then on_mingw="yes"
+ else on_mingw="no"; fi
+fi
+
+#
+# Determine configuration file
+# the eval is to evaluate shell expansion twice
+if test $on_mingw = "no"; then
+ ub_conf_file=`eval echo "${sysconfdir}/unbound/unbound.conf"`
+else
+ ub_conf_file="C:\\Program Files\\Unbound\\service.conf"
+fi
+AC_ARG_WITH([conf_file],
+ AC_HELP_STRING([--with-conf-file=path],
+ [Pathname to the Unbound configuration file]),
+ [ub_conf_file="$withval"])
+AC_SUBST(ub_conf_file)
+ACX_ESCAPE_BACKSLASH($ub_conf_file, hdr_config)
+AC_DEFINE_UNQUOTED(CONFIGFILE, ["$hdr_config"], [Pathname to the Unbound configuration file])
+
+# Determine run, chroot directory and pidfile locations
+AC_ARG_WITH(run-dir,
+ AC_HELP_STRING([--with-run-dir=path],
+ [set default directory to chdir to (by default dir part of cfg file)]),
+ UNBOUND_RUN_DIR="$withval",
+if test $on_mingw = no; then
+ UNBOUND_RUN_DIR=`dirname "$ub_conf_file"`
+else
+ UNBOUND_RUN_DIR=""
+fi
+)
+AC_SUBST(UNBOUND_RUN_DIR)
+ACX_ESCAPE_BACKSLASH($UNBOUND_RUN_DIR, hdr_run)
+AC_DEFINE_UNQUOTED(RUN_DIR, ["$hdr_run"], [Directory to chdir to])
+
+AC_ARG_WITH(chroot-dir,
+ AC_HELP_STRING([--with-chroot-dir=path],
+ [set default directory to chroot to (by default same as run-dir)]),
+ UNBOUND_CHROOT_DIR="$withval",
+if test $on_mingw = no; then
+ UNBOUND_CHROOT_DIR="$UNBOUND_RUN_DIR"
+else
+ UNBOUND_CHROOT_DIR=""
+fi
+)
+AC_SUBST(UNBOUND_CHROOT_DIR)
+ACX_ESCAPE_BACKSLASH($UNBOUND_CHROOT_DIR, hdr_chroot)
+AC_DEFINE_UNQUOTED(CHROOT_DIR, ["$hdr_chroot"], [Directory to chroot to])
+
+AC_ARG_WITH(share-dir,
+ AC_HELP_STRING([--with-share-dir=path],
+ [set default directory with shared data (by default same as share/unbound)]),
+ UNBOUND_SHARE_DIR="$withval",
+ UNBOUND_SHARE_DIR="$UNBOUND_RUN_DIR")
+AC_SUBST(UNBOUND_SHARE_DIR)
+AC_DEFINE_UNQUOTED(SHARE_DIR, ["$UNBOUND_SHARE_DIR"], [Shared data])
+
+AC_ARG_WITH(pidfile,
+ AC_HELP_STRING([--with-pidfile=filename],
+ [set default pathname to unbound pidfile (default run-dir/unbound.pid)]),
+ UNBOUND_PIDFILE="$withval",
+if test $on_mingw = no; then
+ UNBOUND_PIDFILE="$UNBOUND_RUN_DIR/unbound.pid"
+else
+ UNBOUND_PIDFILE=""
+fi
+)
+AC_SUBST(UNBOUND_PIDFILE)
+ACX_ESCAPE_BACKSLASH($UNBOUND_PIDFILE, hdr_pid)
+AC_DEFINE_UNQUOTED(PIDFILE, ["$hdr_pid"], [default pidfile location])
+
+AC_ARG_WITH(rootkey-file,
+ AC_HELP_STRING([--with-rootkey-file=filename],
+ [set default pathname to root key file (default run-dir/root.key). This file is read and written.]),
+ UNBOUND_ROOTKEY_FILE="$withval",
+if test $on_mingw = no; then
+ UNBOUND_ROOTKEY_FILE="$UNBOUND_RUN_DIR/root.key"
+else
+ UNBOUND_ROOTKEY_FILE="C:\\Program Files\\Unbound\\root.key"
+fi
+)
+AC_SUBST(UNBOUND_ROOTKEY_FILE)
+ACX_ESCAPE_BACKSLASH($UNBOUND_ROOTKEY_FILE, hdr_rkey)
+AC_DEFINE_UNQUOTED(ROOT_ANCHOR_FILE, ["$hdr_rkey"], [default rootkey location])
+
+AC_ARG_WITH(rootcert-file,
+ AC_HELP_STRING([--with-rootcert-file=filename],
+ [set default pathname to root update certificate file (default run-dir/icannbundle.pem). This file need not exist if you are content with the builtin.]),
+ UNBOUND_ROOTCERT_FILE="$withval",
+if test $on_mingw = no; then
+ UNBOUND_ROOTCERT_FILE="$UNBOUND_RUN_DIR/icannbundle.pem"
+else
+ UNBOUND_ROOTCERT_FILE="C:\\Program Files\\Unbound\\icannbundle.pem"
+fi
+)
+AC_SUBST(UNBOUND_ROOTCERT_FILE)
+ACX_ESCAPE_BACKSLASH($UNBOUND_ROOTCERT_FILE, hdr_rpem)
+AC_DEFINE_UNQUOTED(ROOT_CERT_FILE, ["$hdr_rpem"], [default rootcert location])
+
+AC_ARG_WITH(username,
+ AC_HELP_STRING([--with-username=user],
+ [set default user that unbound changes to (default user is unbound)]),
+ UNBOUND_USERNAME="$withval",
+ UNBOUND_USERNAME="unbound")
+AC_SUBST(UNBOUND_USERNAME)
+AC_DEFINE_UNQUOTED(UB_USERNAME, ["$UNBOUND_USERNAME"], [default username])
+
+AC_DEFINE(WINVER, 0x0502, [the version of the windows API enabled])
+ACX_RSRC_VERSION(wnvs)
+AC_DEFINE_UNQUOTED(RSRC_PACKAGE_VERSION, [$wnvs], [version number for resource files])
+
+# Checks for typedefs, structures, and compiler characteristics.
+AC_C_CONST
+AC_LANG_C
+# allow user to override the -g -O2 flags.
+if test "x$CFLAGS" = "x" ; then
+ACX_CHECK_COMPILER_FLAG(g, [CFLAGS="$CFLAGS -g"])
+ACX_CHECK_COMPILER_FLAG(O2, [CFLAGS="$CFLAGS -O2"])
+fi
+AC_PROG_CC
+ACX_DEPFLAG
+ACX_DETERMINE_EXT_FLAGS_UNBOUND
+
+# debug mode flags warnings
+AC_ARG_ENABLE(checking, AC_HELP_STRING([--enable-checking], [Enable warnings, asserts, makefile-dependencies]))
+AC_ARG_ENABLE(debug, AC_HELP_STRING([--enable-debug], [same as enable-checking]))
+if test "$enable_debug" = "yes"; then debug_enabled="$enable_debug";
+else debug_enabled="$enable_checking"; fi
+AC_SUBST(debug_enabled)
+case "$debug_enabled" in
+ yes)
+ ACX_CHECK_COMPILER_FLAG(W, [CFLAGS="$CFLAGS -W"])
+ ACX_CHECK_COMPILER_FLAG(Wall, [CFLAGS="$CFLAGS -Wall"])
+ ACX_CHECK_COMPILER_FLAG(Wextra, [CFLAGS="$CFLAGS -Wextra"])
+ ACX_CHECK_COMPILER_FLAG(Wdeclaration-after-statement, [CFLAGS="$CFLAGS -Wdeclaration-after-statement"])
+ AC_DEFINE([UNBOUND_DEBUG], [], [define this to enable debug checks.])
+ ;;
+ no|*)
+ # nothing to do.
+ ;;
+esac
+ACX_CHECK_FLTO
+
+AC_C_INLINE
+ACX_CHECK_FORMAT_ATTRIBUTE
+ACX_CHECK_UNUSED_ATTRIBUTE
+
+if test "$srcdir" != "."; then
+ CPPFLAGS="$CPPFLAGS -I$srcdir"
+fi
+
+AC_DEFUN([ACX_YYLEX_DESTROY], [
+ AC_MSG_CHECKING([for yylex_destroy])
+ if echo %% | $LEX -t 2>&1 | grep yylex_destroy >/dev/null 2>&1; then
+ AC_DEFINE(LEX_HAS_YYLEX_DESTROY, 1, [if lex has yylex_destroy])
+ AC_MSG_RESULT(yes)
+ else AC_MSG_RESULT(no); fi
+])
+
+AC_PROG_LEX
+ACX_YYLEX_DESTROY
+AC_PROG_YACC
+AC_CHECK_PROG(doxygen, doxygen, doxygen)
+AC_CHECK_TOOL(STRIP, strip)
+ACX_LIBTOOL_C_ONLY
+
+# Checks for header files.
+AC_CHECK_HEADERS([stdarg.h stdbool.h netinet/in.h sys/param.h sys/socket.h sys/uio.h sys/resource.h arpa/inet.h syslog.h netdb.h sys/wait.h pwd.h glob.h grp.h login_cap.h winsock2.h ws2tcpip.h endian.h],,, [AC_INCLUDES_DEFAULT])
+
+# check for types.
+# Using own tests for int64* because autoconf builtin only give 32bit.
+AC_CHECK_TYPE(int8_t, signed char)
+AC_CHECK_TYPE(int16_t, short)
+AC_CHECK_TYPE(int32_t, int)
+AC_CHECK_TYPE(int64_t, long long)
+AC_CHECK_TYPE(uint8_t, unsigned char)
+AC_CHECK_TYPE(uint16_t, unsigned short)
+AC_CHECK_TYPE(uint32_t, unsigned int)
+AC_CHECK_TYPE(uint64_t, unsigned long long)
+AC_TYPE_SIZE_T
+AC_CHECK_TYPE(ssize_t, int)
+AC_TYPE_UID_T
+AC_TYPE_PID_T
+AC_TYPE_OFF_T
+ACX_TYPE_U_CHAR
+ACX_TYPE_RLIM_T
+ACX_TYPE_SOCKLEN_T
+ACX_TYPE_IN_ADDR_T
+ACX_TYPE_IN_PORT_T
+ACX_CHECK_MEMCMP_SIGNED
+
+AC_CHECK_SIZEOF(time_t,,[
+AC_INCLUDES_DEFAULT
+#ifdef TIME_WITH_SYS_TIME
+# include <sys/time.h>
+# include <time.h>
+#else
+# ifdef HAVE_SYS_TIME_H
+# include <sys/time.h>
+# else
+# include <time.h>
+# endif
+#endif
+])
+
+# add option to disable the evil rpath
+ACX_ARG_RPATH
+AC_SUBST(RUNTIME_PATH)
+
+# check to see if libraries are needed for these functions.
+AC_SEARCH_LIBS([inet_pton], [nsl])
+AC_SEARCH_LIBS([socket], [socket])
+
+# check wether strptime also works
+AC_DEFUN([AC_CHECK_STRPTIME_WORKS],
+[AC_REQUIRE([AC_PROG_CC])
+AC_MSG_CHECKING(whether strptime works)
+if test c${cross_compiling} = cno; then
+AC_RUN_IFELSE([AC_LANG_SOURCE([[
+#define _XOPEN_SOURCE 600
+#include <time.h>
+int main(void) { struct tm tm; char *res;
+res = strptime("2010-07-15T00:00:00+00:00", "%t%Y%t-%t%m%t-%t%d%tT%t%H%t:%t%M%t:%t%S%t", &tm);
+if (!res) return 2;
+res = strptime("20070207111842", "%Y%m%d%H%M%S", &tm);
+if (!res) return 1; return 0; }
+]])] , [eval "ac_cv_c_strptime_works=yes"], [eval "ac_cv_c_strptime_works=no"])
+else
+eval "ac_cv_c_strptime_works=maybe"
+fi
+AC_MSG_RESULT($ac_cv_c_strptime_works)
+if test $ac_cv_c_strptime_works = no; then
+AC_LIBOBJ(strptime)
+else
+AC_DEFINE_UNQUOTED([STRPTIME_WORKS], 1, [use default strptime.])
+fi
+])dnl
+
+# check some functions of the OS before linking libs (while still runnable).
+AC_FUNC_CHOWN
+AC_FUNC_FORK
+AC_TYPE_SIGNAL
+AC_FUNC_FSEEKO
+ACX_SYS_LARGEFILE
+ACX_CHECK_NONBLOCKING_BROKEN
+ACX_MKDIR_ONE_ARG
+AC_CHECK_FUNCS([strptime],[AC_CHECK_STRPTIME_WORKS],[AC_LIBOBJ([strptime])])
+
+# set memory allocation checking if requested
+AC_ARG_ENABLE(alloc-checks, AC_HELP_STRING([--enable-alloc-checks],
+ [ enable to memory allocation statistics, for debug purposes ]),
+ , )
+AC_ARG_ENABLE(alloc-lite, AC_HELP_STRING([--enable-alloc-lite],
+ [ enable for lightweight alloc assertions, for debug purposes ]),
+ , )
+AC_ARG_ENABLE(alloc-nonregional, AC_HELP_STRING([--enable-alloc-nonregional],
+ [ enable nonregional allocs, slow but exposes regional allocations to other memory purifiers, for debug purposes ]),
+ , )
+if test x_$enable_alloc_nonregional = x_yes; then
+ AC_DEFINE(UNBOUND_ALLOC_NONREGIONAL, 1, [use malloc not regions, for debug use])
+fi
+if test x_$enable_alloc_checks = x_yes; then
+ AC_DEFINE(UNBOUND_ALLOC_STATS, 1, [use statistics for allocs and frees, for debug use])
+else
+ if test x_$enable_alloc_lite = x_yes; then
+ AC_DEFINE(UNBOUND_ALLOC_LITE, 1, [use to enable lightweight alloc assertions, for debug use])
+ else
+ ACX_FUNC_MALLOC([unbound])
+ fi
+fi
+
+# check windows threads (we use them, not pthreads, on windows).
+if test "$on_mingw" = "yes"; then
+# check windows threads
+ AC_CHECK_HEADERS([windows.h],,, [AC_INCLUDES_DEFAULT])
+ AC_MSG_CHECKING([for CreateThread])
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
+#ifdef HAVE_WINDOWS_H
+#include <windows.h>
+#endif
+], [
+ HANDLE t = CreateThread(NULL, 0, NULL, NULL, 0, NULL);
+])],
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_WINDOWS_THREADS, 1, [Using Windows threads])
+,
+ AC_MSG_RESULT(no)
+)
+
+else
+# not on mingw, check thread libraries.
+
+# check for thread library.
+# check this first, so that the pthread lib does not get linked in via
+# libssl or libpython, and thus distorts the tests, and we end up using
+# the non-threadsafe C libraries.
+AC_ARG_WITH(pthreads, AC_HELP_STRING([--with-pthreads],
+ [use pthreads library, or --without-pthreads to disable threading support.]),
+ [ ],[ withval="yes" ])
+ub_have_pthreads=no
+if test x_$withval != x_no; then
+ AX_PTHREAD([
+ AC_DEFINE(HAVE_PTHREAD,1,[Define if you have POSIX threads libraries and header files.])
+ LIBS="$PTHREAD_LIBS $LIBS"
+ CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
+ CC="$PTHREAD_CC"
+ ub_have_pthreads=yes
+ AC_CHECK_TYPES([pthread_spinlock_t, pthread_rwlock_t],,,[#include <pthread.h>])
+ ])
+fi
+
+# check solaris thread library
+AC_ARG_WITH(solaris-threads, AC_HELP_STRING([--with-solaris-threads],
+ [use solaris native thread library.]), [ ],[ withval="no" ])
+ub_have_sol_threads=no
+if test x_$withval != x_no; then
+ if test x_$ub_have_pthreads != x_no; then
+ AC_WARN([Have pthreads already, ignoring --with-solaris-threads])
+ else
+ AC_SEARCH_LIBS(thr_create, [thread],
+ [
+ AC_DEFINE(HAVE_SOLARIS_THREADS, 1, [Using Solaris threads])
+
+ ACX_CHECK_COMPILER_FLAG(mt, [CFLAGS="$CFLAGS -mt"],
+ [CFLAGS="$CFLAGS -D_REENTRANT"])
+ ub_have_sol_threads=yes
+ ] , [
+ AC_ERROR([no solaris threads found.])
+ ])
+ fi
+fi
+
+fi # end of non-mingw check of thread libraries
+
+# Check for PyUnbound
+AC_ARG_WITH(pyunbound,
+ AC_HELP_STRING([--with-pyunbound],
+ [build PyUnbound, or --without-pyunbound to skip it. (default=no)]),
+ [], [ withval="no" ])
+
+ub_test_python=no
+ub_with_pyunbound=no
+if test x_$withval != x_no; then
+ ub_with_pyunbound=yes
+ ub_test_python=yes
+fi
+
+# Check for Python module
+AC_ARG_WITH(pythonmodule,
+ AC_HELP_STRING([--with-pythonmodule],
+ [build Python module, or --without-pythonmodule to disable script engine. (default=no)]),
+ [], [ withval="no" ])
+
+ub_with_pythonmod=no
+if test x_$withval != x_no; then
+ ub_with_pythonmod=yes
+ ub_test_python=yes
+fi
+
+# Check for Python & SWIG only on PyUnbound or PyModule
+if test x_$ub_test_python != x_no; then
+
+ # Check for Python
+ ub_have_python=no
+ ac_save_LIBS="$LIBS" dnl otherwise AC_PYTHON_DEVEL thrashes $LIBS
+ AC_PYTHON_DEVEL
+ if test ! -z "$PYTHON_VERSION"; then
+ if test `$PYTHON -c "print('$PYTHON_VERSION' >= '2.4.0')"` = "False"; then
+ AC_ERROR([Python version >= 2.4.0 is required])
+ fi
+
+ # Have Python
+ AC_DEFINE(HAVE_PYTHON,1,[Define if you have Python libraries and header files.])
+ LIBS="$PYTHON_LDFLAGS $LIBS"
+ CPPFLAGS="$CPPFLAGS $PYTHON_CPPFLAGS"
+ ub_have_python=yes
+
+ # Check for SWIG
+ ub_have_swig=no
+ AC_PROG_SWIG
+ AC_MSG_CHECKING(SWIG)
+ if test ! -x "$SWIG"; then
+ AC_ERROR([failed to find swig tool, install it, or do not build Python module and PyUnbound])
+ else
+ AC_DEFINE(HAVE_SWIG, 1, [Define if you have Swig libraries and header files.])
+ AC_SUBST(swig, "$SWIG")
+ AC_MSG_RESULT(present)
+
+ # If have Python & SWIG
+ # Declare PythonMod
+ if test x_$ub_with_pythonmod != x_no; then
+ AC_DEFINE(WITH_PYTHONMODULE, 1, [Define if you want Python module.])
+ WITH_PYTHONMODULE=yes
+ AC_SUBST(WITH_PYTHONMODULE)
+ PYTHONMOD_OBJ="pythonmod.lo pythonmod_utils.lo"
+ AC_SUBST(PYTHONMOD_OBJ)
+ PYTHONMOD_HEADER='$(srcdir)/pythonmod/pythonmod.h'
+ AC_SUBST(PYTHONMOD_HEADER)
+ PYTHONMOD_INSTALL=pythonmod-install
+ AC_SUBST(PYTHONMOD_INSTALL)
+ PYTHONMOD_UNINSTALL=pythonmod-uninstall
+ AC_SUBST(PYTHONMOD_UNINSTALL)
+ fi
+
+ # Declare PyUnbound
+ if test x_$ub_with_pyunbound != x_no; then
+ AC_DEFINE(WITH_PYUNBOUND, 1, [Define if you want PyUnbound.])
+ WITH_PYUNBOUND=yes
+ AC_SUBST(WITH_PYUNBOUND)
+ PYUNBOUND_OBJ="libunbound_wrap.lo"
+ AC_SUBST(PYUNBOUND_OBJ)
+ PYUNBOUND_TARGET="_unbound.la"
+ AC_SUBST(PYUNBOUND_TARGET)
+ PYUNBOUND_INSTALL=pyunbound-install
+ AC_SUBST(PYUNBOUND_INSTALL)
+ PYUNBOUND_UNINSTALL=pyunbound-uninstall
+ AC_SUBST(PYUNBOUND_UNINSTALL)
+ fi
+ fi
+ else
+ AC_MSG_RESULT([*** Python libraries not found, won't build PythonMod or PyUnbound ***])
+ ub_with_pyunbound=no
+ ub_with_pythonmod=no
+ fi
+fi
+
+if test "`uname`" = "NetBSD"; then
+ NETBSD_LINTFLAGS='"-D__RENAME(x)=" -D_NETINET_IN_H_'
+ AC_SUBST(NETBSD_LINTFLAGS)
+fi
+CONFIG_DATE=`date +%Y%m%d`
+AC_SUBST(CONFIG_DATE)
+
+# Checks for libraries.
+
+# libnss
+USE_NSS="no"
+AC_ARG_WITH([nss], AC_HELP_STRING([--with-nss=path],
+ [use libnss instead of openssl, installed at path.]),
+ [
+ USE_NSS="yes"
+ AC_DEFINE(HAVE_NSS, 1, [Use libnss for crypto])
+ if test "$withval" != "" -a "$withval" != "yes"; then
+ CPPFLAGS="$CPPFLAGS -I$withval/include/nss3"
+ LDFLAGS="$LDFLAGS -L$withval/lib"
+ ACX_RUNTIME_PATH_ADD([$withval/lib])
+ CPPFLAGS="-I$withval/include/nspr4 $CPPFLAGS"
+ else
+ CPPFLAGS="$CPPFLAGS -I/usr/include/nss3"
+ CPPFLAGS="-I/usr/include/nspr4 $CPPFLAGS"
+ fi
+ LIBS="$LIBS -lnss3 -lnspr4"
+ ]
+)
+
+# openssl
+if test $USE_NSS = "no"; then
+ACX_WITH_SSL
+ACX_LIB_SSL
+AC_MSG_CHECKING([for LibreSSL])
+if grep OPENSSL_VERSION_TEXT $ssldir/include/openssl/opensslv.h | grep "LibreSSL" >/dev/null; then
+ AC_MSG_RESULT([yes])
+ AC_DEFINE([HAVE_LIBRESSL], [1], [Define if we have LibreSSL])
+ # libressl provides these compat functions, but they may also be
+ # declared by the OS in libc. See if they have been declared.
+ AC_CHECK_DECLS([strlcpy,strlcat,arc4random,arc4random_uniform])
+else
+ AC_MSG_RESULT([no])
+fi
+AC_CHECK_HEADERS([openssl/conf.h],,, [AC_INCLUDES_DEFAULT])
+AC_CHECK_HEADERS([openssl/engine.h],,, [AC_INCLUDES_DEFAULT])
+AC_CHECK_FUNCS([OPENSSL_config EVP_sha1 EVP_sha256 EVP_sha512 FIPS_mode])
+AC_CHECK_DECLS([SSL_COMP_get_compression_methods,sk_SSL_COMP_pop_free], [], [], [
+AC_INCLUDES_DEFAULT
+#ifdef HAVE_OPENSSL_ERR_H
+#include <openssl/err.h>
+#endif
+
+#ifdef HAVE_OPENSSL_RAND_H
+#include <openssl/rand.h>
+#endif
+
+#ifdef HAVE_OPENSSL_CONF_H
+#include <openssl/conf.h>
+#endif
+
+#ifdef HAVE_OPENSSL_ENGINE_H
+#include <openssl/engine.h>
+#endif
+#include <openssl/ssl.h>
+#include <openssl/evp.h>
+])
+fi
+
+
+AC_ARG_ENABLE(sha2, AC_HELP_STRING([--disable-sha2], [Disable SHA256 and SHA512 RRSIG support]))
+case "$enable_sha2" in
+ no)
+ ;;
+ yes|*)
+ AC_DEFINE([USE_SHA2], [1], [Define this to enable SHA256 and SHA512 support.])
+ ;;
+esac
+
+# check wether gost also works
+AC_DEFUN([AC_CHECK_GOST_WORKS],
+[AC_REQUIRE([AC_PROG_CC])
+AC_MSG_CHECKING([if GOST works])
+if test c${cross_compiling} = cno; then
+BAKCFLAGS="$CFLAGS"
+if test -n "$ssldir"; then
+ CFLAGS="$CFLAGS -Wl,-rpath,$ssldir/lib"
+fi
+AC_RUN_IFELSE([AC_LANG_SOURCE([[
+#include <string.h>
+#include <openssl/ssl.h>
+#include <openssl/evp.h>
+#include <openssl/engine.h>
+#include <openssl/conf.h>
+/* routine to load gost (from sldns) */
+int load_gost_id(void)
+{
+ static int gost_id = 0;
+ const EVP_PKEY_ASN1_METHOD* meth;
+ ENGINE* e;
+
+ if(gost_id) return gost_id;
+
+ /* see if configuration loaded gost implementation from other engine*/
+ meth = EVP_PKEY_asn1_find_str(NULL, "gost2001", -1);
+ if(meth) {
+ EVP_PKEY_asn1_get0_info(&gost_id, NULL, NULL, NULL, NULL, meth);
+ return gost_id;
+ }
+
+ /* see if engine can be loaded already */
+ e = ENGINE_by_id("gost");
+ if(!e) {
+ /* load it ourself, in case statically linked */
+ ENGINE_load_builtin_engines();
+ ENGINE_load_dynamic();
+ e = ENGINE_by_id("gost");
+ }
+ if(!e) {
+ /* no gost engine in openssl */
+ return 0;
+ }
+ if(!ENGINE_set_default(e, ENGINE_METHOD_ALL)) {
+ ENGINE_finish(e);
+ ENGINE_free(e);
+ return 0;
+ }
+
+ meth = EVP_PKEY_asn1_find_str(&e, "gost2001", -1);
+ if(!meth) {
+ /* algo not found */
+ ENGINE_finish(e);
+ ENGINE_free(e);
+ return 0;
+ }
+ EVP_PKEY_asn1_get0_info(&gost_id, NULL, NULL, NULL, NULL, meth);
+ return gost_id;
+}
+int main(void) {
+ EVP_MD_CTX* ctx;
+ const EVP_MD* md;
+ unsigned char digest[64]; /* its a 256-bit digest, so uses 32 bytes */
+ const char* str = "Hello world";
+ const unsigned char check[] = {
+ 0x40 , 0xed , 0xf8 , 0x56 , 0x5a , 0xc5 , 0x36 , 0xe1 ,
+ 0x33 , 0x7c , 0x7e , 0x87 , 0x62 , 0x1c , 0x42 , 0xe0 ,
+ 0x17 , 0x1b , 0x5e , 0xce , 0xa8 , 0x46 , 0x65 , 0x4d ,
+ 0x8d , 0x3e , 0x22 , 0x9b , 0xe1 , 0x30 , 0x19 , 0x9d
+ };
+ OPENSSL_config(NULL);
+ (void)load_gost_id();
+ md = EVP_get_digestbyname("md_gost94");
+ if(!md) return 1;
+ memset(digest, 0, sizeof(digest));
+ ctx = EVP_MD_CTX_create();
+ if(!ctx) return 2;
+ if(!EVP_DigestInit_ex(ctx, md, NULL)) return 3;
+ if(!EVP_DigestUpdate(ctx, str, 10)) return 4;
+ if(!EVP_DigestFinal_ex(ctx, digest, NULL)) return 5;
+ /* uncomment to see the hash calculated.
+ {int i;
+ for(i=0; i<32; i++)
+ printf(" %2.2x", (int)digest[i]);
+ printf("\n");}
+ */
+ if(memcmp(digest, check, sizeof(check)) != 0)
+ return 6;
+ return 0;
+}
+]])] , [eval "ac_cv_c_gost_works=yes"], [eval "ac_cv_c_gost_works=no"])
+CFLAGS="$BAKCFLAGS"
+else
+eval "ac_cv_c_gost_works=maybe"
+fi
+AC_MSG_RESULT($ac_cv_c_gost_works)
+])dnl
+
+AC_ARG_ENABLE(gost, AC_HELP_STRING([--disable-gost], [Disable GOST support]))
+use_gost="no"
+if test $USE_NSS = "no"; then
+case "$enable_gost" in
+ no)
+ ;;
+ *)
+ AC_CHECK_FUNC(EVP_PKEY_set_type_str, [:],[AC_MSG_ERROR([OpenSSL 1.0.0 is needed for GOST support])])
+ AC_CHECK_FUNC(EC_KEY_new, [], [AC_MSG_ERROR([OpenSSL does not support ECC, needed for GOST support])])
+ AC_CHECK_GOST_WORKS
+ if test "$ac_cv_c_gost_works" != no; then
+ use_gost="yes"
+ AC_DEFINE([USE_GOST], [1], [Define this to enable GOST support.])
+ fi
+ ;;
+esac
+fi dnl !USE_NSS
+
+AC_ARG_ENABLE(ecdsa, AC_HELP_STRING([--disable-ecdsa], [Disable ECDSA support]))
+use_ecdsa="no"
+case "$enable_ecdsa" in
+ no)
+ ;;
+ *)
+ if test $USE_NSS = "no"; then
+ AC_CHECK_FUNC(ECDSA_sign, [], [AC_MSG_ERROR([OpenSSL does not support ECDSA: please upgrade or rerun with --disable-ecdsa])])
+ AC_CHECK_FUNC(SHA384_Init, [], [AC_MSG_ERROR([OpenSSL does not support SHA384: please upgrade or rerun with --disable-ecdsa])])
+ AC_CHECK_DECLS([NID_X9_62_prime256v1, NID_secp384r1], [], [AC_MSG_ERROR([OpenSSL does not support the ECDSA curves: please upgrade or rerun with --disable-ecdsa])], [AC_INCLUDES_DEFAULT
+#include <openssl/evp.h>
+ ])
+ # see if OPENSSL 1.0.0 or later (has EVP MD and Verify independency)
+ AC_MSG_CHECKING([if openssl supports SHA2 and ECDSA with EVP])
+ if grep OPENSSL_VERSION_TEXT $ssldir/include/openssl/opensslv.h | grep "OpenSSL" >/dev/null; then
+ if grep OPENSSL_VERSION_NUMBER $ssldir/include/openssl/opensslv.h | grep 0x0 >/dev/null; then
+ AC_MSG_RESULT([no])
+ AC_DEFINE_UNQUOTED([USE_ECDSA_EVP_WORKAROUND], [1], [Define this to enable an EVP workaround for older openssl])
+ else
+ AC_MSG_RESULT([yes])
+ fi
+ else
+ # not OpenSSL, thus likely LibreSSL, which supports it
+ AC_MSG_RESULT([yes])
+ fi
+ fi
+ # we now know we have ECDSA and the required curves.
+ AC_DEFINE_UNQUOTED([USE_ECDSA], [1], [Define this to enable ECDSA support.])
+ use_ecdsa="yes"
+ ;;
+esac
+
+AC_ARG_ENABLE(event-api, AC_HELP_STRING([--enable-event-api], [Enable (experimental) libevent-based libunbound API installed to unbound-event.h]))
+use_unbound_event="no"
+case "$enable_event_api" in
+ yes)
+ use_unbound_event="yes"
+ ;;
+ *)
+ ;;
+esac
+
+# check for libevent
+AC_ARG_WITH(libevent, AC_HELP_STRING([--with-libevent=pathname],
+ [use libevent (will check /usr/local /opt/local /usr/lib /usr/pkg /usr/sfw /usr or you can specify an explicit path). Slower, but allows use of large outgoing port ranges.]),
+ [ ],[ withval="no" ])
+if test x_$withval = x_yes -o x_$withval != x_no; then
+ AC_MSG_CHECKING(for libevent)
+ if test x_$withval = x_ -o x_$withval = x_yes; then
+ withval="/usr/local /opt/local /usr/lib /usr/pkg /usr/sfw /usr"
+ fi
+ for dir in $withval; do
+ thedir="$dir"
+ if test -f "$dir/include/event.h" -o -f "$dir/include/event2/event.h"; then
+ found_libevent="yes"
+ dnl assume /usr is in default path.
+ if test "$thedir" != "/usr"; then
+ CPPFLAGS="$CPPFLAGS -I$thedir/include"
+ fi
+ break;
+ fi
+ done
+ if test x_$found_libevent != x_yes; then
+ if test -f "$dir/event.h" -a \( -f "$dir/libevent.la" -o -f "$dir/libev.la" \) ; then
+ # libevent source directory
+ AC_MSG_RESULT(found in $thedir)
+ CPPFLAGS="$CPPFLAGS -I$thedir -I$thedir/include"
+ BAK_LDFLAGS_SET="1"
+ BAK_LDFLAGS="$LDFLAGS"
+ # remove evdns from linking
+ mkdir build >/dev/null 2>&1
+ mkdir build/libevent >/dev/null 2>&1
+ mkdir build/libevent/.libs >/dev/null 2>&1
+ ev_files_o=`ls $thedir/*.o | grep -v evdns\.o | grep -v bufferevent_openssl\.o`
+ ev_files_lo=`ls $thedir/*.lo | grep -v evdns\.lo | grep -v bufferevent_openssl\.lo`
+ ev_files_libso=`ls $thedir/.libs/*.o | grep -v evdns\.o | grep -v bufferevent_openssl\.o`
+ cp $ev_files_o build/libevent
+ cp $ev_files_lo build/libevent
+ cp $ev_files_libso build/libevent/.libs
+ LATE_LDFLAGS="build/libevent/*.lo -lm"
+ LDFLAGS="build/libevent/*.o $LDFLAGS -lm"
+ else
+ AC_MSG_ERROR([Cannot find the libevent library in $withval
+You can restart ./configure --with-libevent=no to use a builtin alternative.
+Please note that this alternative is not as capable as libevent when using
+large outgoing port ranges. ])
+ fi
+ else
+ AC_MSG_RESULT(found in $thedir)
+ dnl if event2 exists and no event lib in dir itself, use subdir
+ if test ! -f $thedir/lib/libevent.a -a ! -f $thedir/lib/libevent.so -a -d "$thedir/lib/event2"; then
+ LDFLAGS="$LDFLAGS -L$thedir/lib/event2"
+ ACX_RUNTIME_PATH_ADD([$thedir/lib/event2])
+ else
+ dnl assume /usr is in default path, do not add "".
+ if test "$thedir" != "/usr" -a "$thedir" != ""; then
+ LDFLAGS="$LDFLAGS -L$thedir/lib"
+ ACX_RUNTIME_PATH_ADD([$thedir/lib])
+ fi
+ fi
+ fi
+ # check for library used by libevent after 1.3c
+ AC_SEARCH_LIBS([clock_gettime], [rt])
+
+ # is the event.h header libev or libevent?
+ AC_CHECK_HEADERS([event.h],,, [AC_INCLUDES_DEFAULT])
+ AC_CHECK_DECL(EV_VERSION_MAJOR, [
+ AC_SEARCH_LIBS(event_set, [ev])
+ ],[
+ AC_SEARCH_LIBS(event_set, [event])
+ ],[AC_INCLUDES_DEFAULT
+#include <event.h>
+ ])
+ AC_CHECK_FUNCS([event_base_free]) # only in libevent 1.2 and later
+ AC_CHECK_FUNCS([event_base_once]) # only in libevent 1.4.1 and later
+ AC_CHECK_FUNCS([event_base_new]) # only in libevent 1.4.1 and later
+ AC_CHECK_FUNCS([event_base_get_method]) # only in libevent 1.4.3 and later
+ AC_CHECK_FUNCS([ev_loop]) # only in libev. (tested on 3.51)
+ AC_CHECK_FUNCS([ev_default_loop]) # only in libev. (tested on 4.00)
+ if test -n "$BAK_LDFLAGS_SET"; then
+ LDFLAGS="$BAK_LDFLAGS"
+ fi
+ if test "$use_unbound_event" = "yes"; then
+ AC_SUBST(UNBOUND_EVENT_INSTALL, [unbound-event-install])
+ AC_SUBST(UNBOUND_EVENT_UNINSTALL, [unbound-event-uninstall])
+ fi
+else
+ AC_DEFINE(USE_MINI_EVENT, 1, [Define if you want to use internal select based events])
+fi
+
+# check for libexpat
+AC_ARG_WITH(libexpat, AC_HELP_STRING([--with-libexpat=path],
+ [specify explicit path for libexpat.]),
+ [ ],[ withval="/usr/local /opt/local /usr/lib /usr/pkg /usr/sfw /usr" ])
+AC_MSG_CHECKING(for libexpat)
+found_libexpat="no"
+for dir in $withval ; do
+ if test -f "$dir/include/expat.h"; then
+ found_libexpat="yes"
+ dnl assume /usr is in default path.
+ if test "$dir" != "/usr"; then
+ CPPFLAGS="$CPPFLAGS -I$dir/include"
+ LDFLAGS="$LDFLAGS -L$dir/lib"
+ fi
+ AC_MSG_RESULT(found in $dir)
+ break;
+ fi
+done
+if test x_$found_libexpat != x_yes; then
+ AC_ERROR([Could not find libexpat, expat.h])
+fi
+AC_CHECK_HEADERS([expat.h],,, [AC_INCLUDES_DEFAULT])
+
+# set static linking if requested
+AC_SUBST(staticexe)
+staticexe=""
+AC_ARG_ENABLE(static-exe, AC_HELP_STRING([--enable-static-exe],
+ [ enable to compile executables statically against (event) libs, for debug purposes ]),
+ , )
+if test x_$enable_static_exe = x_yes; then
+ staticexe="-static"
+ if test "$on_mingw" = yes; then
+ staticexe="-all-static"
+ # for static crosscompile, include gdi32 and zlib here.
+ if test "`uname`" = "Linux"; then
+ LIBS="$LIBS -lgdi32 -lz"
+ fi
+ fi
+fi
+
+# set lock checking if requested
+AC_ARG_ENABLE(lock_checks, AC_HELP_STRING([--enable-lock-checks],
+ [ enable to check lock and unlock calls, for debug purposes ]),
+ , )
+if test x_$enable_lock_checks = x_yes; then
+ AC_DEFINE(ENABLE_LOCK_CHECKS, 1, [Define if you want to use debug lock checking (slow).])
+ CHECKLOCK_OBJ="checklocks.lo"
+ AC_SUBST(CHECKLOCK_OBJ)
+fi
+
+ACX_CHECK_GETADDRINFO_WITH_INCLUDES
+if test "$USE_WINSOCK" = 1; then
+ AC_DEFINE(UB_ON_WINDOWS, 1, [Use win32 resources and API])
+ AC_CHECK_HEADERS([iphlpapi.h],,, [AC_INCLUDES_DEFAULT
+#include <windows.h>
+ ])
+ AC_CHECK_TOOL(WINDRES, windres)
+ LIBS="$LIBS -liphlpapi"
+ WINAPPS="unbound-service-install.exe unbound-service-remove.exe anchor-update.exe"
+ AC_SUBST(WINAPPS)
+ WIN_DAEMON_SRC="winrc/win_svc.c winrc/w_inst.c"
+ AC_SUBST(WIN_DAEMON_SRC)
+ WIN_DAEMON_OBJ="win_svc.lo w_inst.lo"
+ AC_SUBST(WIN_DAEMON_OBJ)
+ WIN_DAEMON_OBJ_LINK="rsrc_unbound.o"
+ AC_SUBST(WIN_DAEMON_OBJ_LINK)
+ WIN_HOST_OBJ_LINK="rsrc_unbound_host.o"
+ AC_SUBST(WIN_HOST_OBJ_LINK)
+ WIN_UBANCHOR_OBJ_LINK="rsrc_unbound_anchor.o log.lo locks.lo"
+ AC_SUBST(WIN_UBANCHOR_OBJ_LINK)
+ WIN_CONTROL_OBJ_LINK="rsrc_unbound_control.o"
+ AC_SUBST(WIN_CONTROL_OBJ_LINK)
+ WIN_CHECKCONF_OBJ_LINK="rsrc_unbound_checkconf.o"
+ AC_SUBST(WIN_CHECKCONF_OBJ_LINK)
+fi
+if test $ac_cv_func_getaddrinfo = no; then
+ AC_LIBOBJ([fake-rfc2553])
+fi
+# check after getaddrinfo for its libraries
+ACX_FUNC_IOCTLSOCKET
+
+# see if daemon(3) exists, and if it is deprecated.
+AC_CHECK_FUNCS([daemon])
+if test $ac_cv_func_daemon = yes; then
+ ACX_FUNC_DEPRECATED([daemon], [(void)daemon(0, 0);], [
+#include <stdlib.h>
+])
+fi
+
+AC_CHECK_MEMBERS([struct in_pktinfo.ipi_spec_dst],,,[
+AC_INCLUDES_DEFAULT
+#if HAVE_SYS_PARAM_H
+#include <sys/param.h>
+#endif
+
+#ifdef HAVE_SYS_SOCKET_H
+#include <sys/socket.h>
+#endif
+
+#ifdef HAVE_SYS_UIO_H
+#include <sys/uio.h>
+#endif
+
+#ifdef HAVE_NETINET_IN_H
+#include <netinet/in.h>
+#endif
+
+#ifdef HAVE_ARPA_INET_H
+#include <arpa/inet.h>
+#endif
+
+#ifdef HAVE_WINSOCK2_H
+#include <winsock2.h>
+#endif
+
+#ifdef HAVE_WS2TCPIP_H
+#include <ws2tcpip.h>
+#endif
+])
+AC_SEARCH_LIBS([setusercontext], [util])
+AC_CHECK_FUNCS([tzset sigprocmask fcntl getpwnam getrlimit setrlimit setsid sbrk chroot kill sleep usleep random srandom recvmsg sendmsg writev socketpair glob initgroups strftime localtime_r setusercontext _beginthreadex endservent endprotoent])
+AC_CHECK_FUNCS([setresuid],,[AC_CHECK_FUNCS([setreuid])])
+AC_CHECK_FUNCS([setresgid],,[AC_CHECK_FUNCS([setregid])])
+
+# check if setreuid en setregid fail, on MacOSX10.4(darwin8).
+if echo $build_os | grep darwin8 > /dev/null; then
+ AC_DEFINE(DARWIN_BROKEN_SETREUID, 1, [Define this if on macOSX10.4-darwin8 and setreuid and setregid do not work])
+fi
+AC_REPLACE_FUNCS(inet_aton)
+AC_REPLACE_FUNCS(inet_pton)
+AC_REPLACE_FUNCS(inet_ntop)
+AC_REPLACE_FUNCS(snprintf)
+AC_REPLACE_FUNCS(strlcat)
+AC_REPLACE_FUNCS(strlcpy)
+AC_REPLACE_FUNCS(memmove)
+AC_REPLACE_FUNCS(gmtime_r)
+LIBOBJ_WITHOUT_CTIMEARC4="$LIBOBJS"
+AC_SUBST(LIBOBJ_WITHOUT_CTIMEARC4)
+if test "$USE_NSS" = "no"; then
+ AC_REPLACE_FUNCS(arc4random)
+ AC_REPLACE_FUNCS(arc4random_uniform)
+ if test "$ac_cv_func_arc4random" = "no"; then
+ AC_LIBOBJ(explicit_bzero)
+ AC_LIBOBJ(arc4_lock)
+ AC_CHECK_FUNCS([getentropy],,[
+ if test "$USE_WINSOCK" = 1; then
+ AC_LIBOBJ(getentropy_win)
+ else
+ case `uname` in
+ Darwin)
+ AC_LIBOBJ(getentropy_osx)
+ ;;
+ SunOS)
+ AC_LIBOBJ(getentropy_solaris)
+ AC_CHECK_HEADERS([sys/sha2.h],, [
+ AC_CHECK_FUNCS([SHA512_Update],,[
+ AC_LIBOBJ(sha512)
+ ])
+ ], [AC_INCLUDES_DEFAULT])
+ if test "$ac_cv_header_sys_sha2_h" = "yes"; then
+ # this lib needed for sha2 on solaris
+ LIBS="$LIBS -lmd"
+ fi
+ ;;
+ Linux|*)
+ AC_LIBOBJ(getentropy_linux)
+ AC_CHECK_FUNCS([SHA512_Update],,[
+ AC_DEFINE([COMPAT_SHA512], [1], [Do sha512 definitions in config.h])
+ AC_LIBOBJ(sha512)
+ ])
+ AC_CHECK_HEADERS([sys/sysctl.h],,, [AC_INCLUDES_DEFAULT])
+ AC_SEARCH_LIBS([clock_gettime], [rt])
+ ;;
+ esac
+ # generate libtool to test if linking main
+ # from a dynamic library works.
+ LT_OUTPUT
+ AC_MSG_CHECKING([if dynamic lib can refer to main])
+ cat >tmp.$$.def <<EOF
+myfunc
+EOF
+ cat >tmp.$$.c <<EOF
+int myfunc(void);
+extern int main(int, char *argv[]);
+int myfunc(void)
+{
+ return ((int)main) + 1;
+}
+EOF
+ mylibtool=./libtool
+ mylibdir=/usr/local/lib
+ myok=yes
+ $mylibtool --quiet --tag=CC --mode=compile $CC $CFLAGS -o tmp.$$.lo -c tmp.$$.c >/dev/null 2>&1
+ if test $? = 0; then myok=yes; else myok=no; fi
+ if test "$myok" = "yes"; then
+ $mylibtool --quiet --tag=CC --mode=link $CC $CFLAGS -version-info 1:0:0 -no-undefined -export-symbols tmp.$$.def -o libtmp$$.la tmp.$$.lo $LDFLAGS -rpath $mylibdir $LIBS >/dev/null 2>&1
+ if test $? = 0; then myok=yes; else myok=no; fi
+ fi
+ if test "$myok" = "yes"; then
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(CAN_REFERENCE_MAIN, [1], [define if a library can reference the 'main' symbol])
+ else
+ AC_MSG_RESULT(no)
+ fi
+ $mylibtool --quiet --mode=clean rm -rf libtmp$$.la tmp.$$.lo
+ rm -f tmp.$$.def tmp.$$.c libtmp$$.la tmp.$$.lo tmp.$$.o
+
+ fi
+ ])
+ fi
+fi
+LIBOBJ_WITHOUT_CTIME="$LIBOBJS"
+AC_SUBST(LIBOBJ_WITHOUT_CTIME)
+AC_REPLACE_FUNCS(ctime_r)
+
+AC_ARG_ENABLE(allsymbols, AC_HELP_STRING([--enable-allsymbols], [export all symbols from libunbound and link binaries to it, smaller install size but libunbound export table is polluted by internal symbols]))
+case "$enable_allsymbols" in
+ yes)
+ COMMON_OBJ_ALL_SYMBOLS=""
+ UBSYMS=""
+ EXTRALINK="-L. -L.libs -lunbound"
+ AC_DEFINE(EXPORT_ALL_SYMBOLS, 1, [Define this if you enabled-allsymbols from libunbound to link binaries to it for smaller install size, but the libunbound export table is polluted by internal symbols])
+ ;;
+ no|*)
+ COMMON_OBJ_ALL_SYMBOLS='$(COMMON_OBJ)'
+ UBSYMS='-export-symbols $(srcdir)/libunbound/ubsyms.def'
+ EXTRALINK=""
+ ;;
+esac
+AC_SUBST(COMMON_OBJ_ALL_SYMBOLS)
+AC_SUBST(EXTRALINK)
+AC_SUBST(UBSYMS)
+if test x_$enable_lock_checks = x_yes; then
+ UBSYMS="-export-symbols clubsyms.def"
+ cp ${srcdir}/libunbound/ubsyms.def clubsyms.def
+ echo lock_protect >> clubsyms.def
+ echo lock_unprotect >> clubsyms.def
+ echo lock_get_mem >> clubsyms.def
+ echo checklock_start >> clubsyms.def
+ echo checklock_stop >> clubsyms.def
+ echo checklock_lock >> clubsyms.def
+ echo checklock_unlock >> clubsyms.def
+ echo checklock_init >> clubsyms.def
+ echo checklock_thrcreate >> clubsyms.def
+ echo checklock_thrjoin >> clubsyms.def
+fi
+
+# check for dnstap if requested
+dt_DNSTAP([$UNBOUND_RUN_DIR/dnstap.sock],
+ [
+ AC_DEFINE([USE_DNSTAP], [1], [Define to 1 to enable dnstap support])
+ AC_SUBST([ENABLE_DNSTAP], [1])
+
+ AC_SUBST([opt_dnstap_socket_path])
+ ACX_ESCAPE_BACKSLASH($opt_dnstap_socket_path, hdr_dnstap_socket_path)
+ AC_DEFINE_UNQUOTED(DNSTAP_SOCKET_PATH,
+ ["$hdr_dnstap_socket_path"], [default dnstap socket path])
+
+ AC_SUBST([DNSTAP_SRC], ["dnstap/dnstap.c dnstap/dnstap.pb-c.c"])
+ AC_SUBST([DNSTAP_OBJ], ["dnstap.lo dnstap.pb-c.lo"])
+ ],
+ [
+ AC_SUBST([ENABLE_DNSTAP], [0])
+ ]
+)
+
+AC_MSG_CHECKING([if ${MAKE:-make} supports $< with implicit rule in scope])
+# on openBSD, the implicit rule make $< work.
+# on Solaris, it does not work ($? is changed sources, $^ lists dependencies).
+# gmake works.
+cat >conftest.make <<EOF
+all: conftest.lo
+
+conftest.lo foo.lo bla.lo:
+ if test -f "\$<"; then touch \$@; fi
+
+.SUFFIXES: .lo
+.c.lo:
+ if test -f "\$<"; then touch \$@; fi
+
+conftest.lo: conftest.dir/conftest.c
+EOF
+mkdir conftest.dir
+touch conftest.dir/conftest.c
+rm -f conftest.lo conftest.c
+${MAKE:-make} -f conftest.make >/dev/null
+rm -f conftest.make conftest.c conftest.dir/conftest.c
+rm -rf conftest.dir
+if test ! -f conftest.lo; then
+ AC_MSG_RESULT(no)
+ SOURCEDETERMINE='echo "$^" | awk "-F " "{print \$$1;}" > .source'
+ SOURCEFILE='`cat .source`'
+else
+ AC_MSG_RESULT(yes)
+ SOURCEDETERMINE=':'
+ SOURCEFILE='$<'
+fi
+rm -f conftest.lo
+AC_SUBST(SOURCEDETERMINE)
+AC_SUBST(SOURCEFILE)
+
+# see if we want to build the library or everything
+ALLTARGET="alltargets"
+INSTALLTARGET="install-all"
+AC_ARG_WITH(libunbound-only, AC_HELP_STRING([--with-libunbound-only],
+ [do not build daemon and tool programs]),
+ [
+ if test "$withval" = "yes"; then
+ ALLTARGET="lib"
+ INSTALLTARGET="install-lib"
+ fi
+])
+AC_SUBST(ALLTARGET)
+AC_SUBST(INSTALLTARGET)
+
+ACX_STRIP_EXT_FLAGS
+LDFLAGS="$LATE_LDFLAGS $LDFLAGS"
+
+AC_DEFINE_UNQUOTED([MAXSYSLOGMSGLEN], [10240], [Define to the maximum message length to pass to syslog.])
+
+AH_BOTTOM(
+dnl this must be first AH_CONFIG, to define the flags before any includes.
+AHX_CONFIG_EXT_FLAGS
+
+dnl includes
+[
+#ifndef UNBOUND_DEBUG
+# define NDEBUG
+#endif
+
+/** Use small-ldns codebase */
+#define USE_SLDNS 1
+#ifdef HAVE_SSL
+# define LDNS_BUILD_CONFIG_HAVE_SSL 1
+#endif
+
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <assert.h>
+
+#if STDC_HEADERS
+#include <stdlib.h>
+#include <stddef.h>
+#endif
+
+#ifdef HAVE_STDARG_H
+#include <stdarg.h>
+#endif
+
+#ifdef HAVE_STDINT_H
+#include <stdint.h>
+#endif
+
+#include <errno.h>
+
+#if HAVE_SYS_PARAM_H
+#include <sys/param.h>
+#endif
+
+#ifdef HAVE_SYS_SOCKET_H
+#include <sys/socket.h>
+#endif
+
+#ifdef HAVE_SYS_UIO_H
+#include <sys/uio.h>
+#endif
+
+#ifdef HAVE_NETINET_IN_H
+#include <netinet/in.h>
+#endif
+
+#ifdef HAVE_ARPA_INET_H
+#include <arpa/inet.h>
+#endif
+
+#ifdef HAVE_WINSOCK2_H
+#include <winsock2.h>
+#endif
+
+#ifdef HAVE_WS2TCPIP_H
+#include <ws2tcpip.h>
+#endif
+
+#ifndef USE_WINSOCK
+#define ARG_LL "%ll"
+#else
+#define ARG_LL "%I64"
+#endif
+]
+
+AHX_CONFIG_FORMAT_ATTRIBUTE
+AHX_CONFIG_UNUSED_ATTRIBUTE
+AHX_CONFIG_FSEEKO
+AHX_CONFIG_MAXHOSTNAMELEN
+AHX_CONFIG_SNPRINTF(unbound)
+AHX_CONFIG_INET_PTON(unbound)
+AHX_CONFIG_INET_NTOP(unbound)
+AHX_CONFIG_INET_ATON(unbound)
+AHX_CONFIG_MEMMOVE(unbound)
+AHX_CONFIG_STRLCAT(unbound)
+AHX_CONFIG_STRLCPY(unbound)
+AHX_CONFIG_GMTIME_R(unbound)
+AHX_CONFIG_W32_SLEEP
+AHX_CONFIG_W32_USLEEP
+AHX_CONFIG_W32_RANDOM
+AHX_CONFIG_W32_SRANDOM
+AHX_CONFIG_W32_FD_SET_T
+AHX_CONFIG_IPV6_MIN_MTU
+AHX_MEMCMP_BROKEN(unbound)
+
+[
+#ifndef HAVE_CTIME_R
+#define ctime_r unbound_ctime_r
+char *ctime_r(const time_t *timep, char *buf);
+#endif
+
+#if !defined(HAVE_STRPTIME) || !defined(STRPTIME_WORKS)
+#define strptime unbound_strptime
+struct tm;
+char *strptime(const char *s, const char *format, struct tm *tm);
+#endif
+
+#ifdef HAVE_LIBRESSL
+# if !HAVE_DECL_STRLCPY
+size_t strlcpy(char *dst, const char *src, size_t siz);
+# endif
+# if !HAVE_DECL_STRLCAT
+size_t strlcat(char *dst, const char *src, size_t siz);
+# endif
+# if !HAVE_DECL_ARC4RANDOM && defined(HAVE_ARC4RANDOM)
+uint32_t arc4random(void);
+# endif
+# if !HAVE_DECL_ARC4RANDOM_UNIFORM && defined(HAVE_ARC4RANDOM_UNIFORM)
+uint32_t arc4random_uniform(uint32_t upper_bound);
+# endif
+#endif /* HAVE_LIBRESSL */
+#ifndef HAVE_ARC4RANDOM
+void explicit_bzero(void* buf, size_t len);
+int getentropy(void* buf, size_t len);
+uint32_t arc4random(void);
+void arc4random_buf(void* buf, size_t n);
+void _ARC4_LOCK(void);
+void _ARC4_UNLOCK(void);
+#endif
+#ifndef HAVE_ARC4RANDOM_UNIFORM
+uint32_t arc4random_uniform(uint32_t upper_bound);
+#endif
+#ifdef COMPAT_SHA512
+#ifndef SHA512_DIGEST_LENGTH
+#define SHA512_BLOCK_LENGTH 128
+#define SHA512_DIGEST_LENGTH 64
+#define SHA512_DIGEST_STRING_LENGTH (SHA512_DIGEST_LENGTH * 2 + 1)
+typedef struct _SHA512_CTX {
+ uint64_t state[8];
+ uint64_t bitcount[2];
+ uint8_t buffer[SHA512_BLOCK_LENGTH];
+} SHA512_CTX;
+#endif /* SHA512_DIGEST_LENGTH */
+void SHA512_Init(SHA512_CTX*);
+void SHA512_Update(SHA512_CTX*, void*, size_t);
+void SHA512_Final(uint8_t[SHA512_DIGEST_LENGTH], SHA512_CTX*);
+unsigned char *SHA512(void* data, unsigned int data_len, unsigned char *digest);
+#endif /* COMPAT_SHA512 */
+
+
+
+#if defined(HAVE_EVENT_H) && !defined(HAVE_EVENT_BASE_ONCE) && !(defined(HAVE_EV_LOOP) || defined(HAVE_EV_DEFAULT_LOOP)) && (defined(HAVE_PTHREAD) || defined(HAVE_SOLARIS_THREADS))
+ /* using version of libevent that is not threadsafe. */
+# define LIBEVENT_SIGNAL_PROBLEM 1
+#endif
+
+#ifndef CHECKED_INET6
+# define CHECKED_INET6
+# ifdef AF_INET6
+# define INET6
+# else
+# define AF_INET6 28
+# endif
+#endif /* CHECKED_INET6 */
+
+#ifndef HAVE_GETADDRINFO
+struct sockaddr_storage;
+#include "compat/fake-rfc2553.h"
+#endif
+
+#ifdef UNBOUND_ALLOC_STATS
+# define malloc(s) unbound_stat_malloc_log(s, __FILE__, __LINE__, __func__)
+# define calloc(n,s) unbound_stat_calloc_log(n, s, __FILE__, __LINE__, __func__)
+# define free(p) unbound_stat_free_log(p, __FILE__, __LINE__, __func__)
+# define realloc(p,s) unbound_stat_realloc_log(p, s, __FILE__, __LINE__, __func__)
+void *unbound_stat_malloc(size_t size);
+void *unbound_stat_calloc(size_t nmemb, size_t size);
+void unbound_stat_free(void *ptr);
+void *unbound_stat_realloc(void *ptr, size_t size);
+void *unbound_stat_malloc_log(size_t size, const char* file, int line,
+ const char* func);
+void *unbound_stat_calloc_log(size_t nmemb, size_t size, const char* file,
+ int line, const char* func);
+void unbound_stat_free_log(void *ptr, const char* file, int line,
+ const char* func);
+void *unbound_stat_realloc_log(void *ptr, size_t size, const char* file,
+ int line, const char* func);
+#elif defined(UNBOUND_ALLOC_LITE)
+# include "util/alloc.h"
+#endif /* UNBOUND_ALLOC_LITE and UNBOUND_ALLOC_STATS */
+
+/** default port for DNS traffic. */
+#define UNBOUND_DNS_PORT 53
+/** default port for unbound control traffic, registered port with IANA,
+ ub-dns-control 8953/tcp unbound dns nameserver control */
+#define UNBOUND_CONTROL_PORT 8953
+/** the version of unbound-control that this software implements */
+#define UNBOUND_CONTROL_VERSION 1
+
+])
+
+AC_CONFIG_FILES([Makefile doc/example.conf doc/libunbound.3 doc/unbound.8 doc/unbound-anchor.8 doc/unbound-checkconf.8 doc/unbound.conf.5 doc/unbound-control.8 doc/unbound-host.1 smallapp/unbound-control-setup.sh dnstap/dnstap_config.h])
+AC_CONFIG_HEADER([config.h])
+AC_OUTPUT