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Diffstat (limited to 'external/unbound/ac_pkg_swig.m4')
| -rw-r--r-- | external/unbound/ac_pkg_swig.m4 | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/external/unbound/ac_pkg_swig.m4 b/external/unbound/ac_pkg_swig.m4 new file mode 100644 index 000000000..738f69d45 --- /dev/null +++ b/external/unbound/ac_pkg_swig.m4 @@ -0,0 +1,122 @@ +# =========================================================================== +# http://autoconf-archive.cryp.to/ac_pkg_swig.html +# =========================================================================== +# +# SYNOPSIS +# +# AC_PROG_SWIG([major.minor.micro]) +# +# DESCRIPTION +# +# This macro searches for a SWIG installation on your system. If found you +# should call SWIG via $(SWIG). You can use the optional first argument to +# check if the version of the available SWIG is greater than or equal to +# the value of the argument. It should have the format: N[.N[.N]] (N is a +# number between 0 and 999. Only the first N is mandatory.) +# +# If the version argument is given (e.g. 1.3.17), AC_PROG_SWIG checks that +# the swig package is this version number or higher. +# +# In configure.in, use as: +# +# AC_PROG_SWIG(1.3.17) +# SWIG_ENABLE_CXX +# SWIG_MULTI_MODULE_SUPPORT +# SWIG_PYTHON +# +# LAST MODIFICATION +# +# 2008-04-12 +# +# COPYLEFT +# +# Copyright (c) 2008 Sebastian Huber <sebastian-huber@web.de> +# Copyright (c) 2008 Alan W. Irwin <irwin@beluga.phys.uvic.ca> +# Copyright (c) 2008 Rafael Laboissiere <rafael@laboissiere.net> +# Copyright (c) 2008 Andrew Collier <colliera@ukzn.ac.za> +# +# This program is free software; you can redistribute it and/or modify it +# under the terms of the GNU General Public License as published by the +# Free Software Foundation; either version 2 of the License, or (at your +# option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General +# Public License for more details. +# +# You should have received a copy of the GNU General Public License along +# with this program. If not, see <http://www.gnu.org/licenses/>. +# +# As a special exception, the respective Autoconf Macro's copyright owner +# gives unlimited permission to copy, distribute and modify the configure +# scripts that are the output of Autoconf when processing the Macro. You +# need not follow the terms of the GNU General Public License when using +# or distributing such scripts, even though portions of the text of the +# Macro appear in them. The GNU General Public License (GPL) does govern +# all other use of the material that constitutes the Autoconf Macro. +# +# This special exception to the GPL applies to versions of the Autoconf +# Macro released by the Autoconf Macro Archive. When you make and +# distribute a modified version of the Autoconf Macro, you may extend this +# special exception to the GPL to apply to your modified version as well. + +AC_DEFUN([AC_PROG_SWIG],[ + AC_PATH_PROG([SWIG],[swig]) + if test -z "$SWIG" ; then + AC_MSG_WARN([cannot find 'swig' program. You should look at http://www.swig.org]) + SWIG='echo "Error: SWIG is not installed. You should look at http://www.swig.org" ; false' + elif test -n "$1" ; then + AC_MSG_CHECKING([for SWIG version]) + [swig_version=`$SWIG -version 2>&1 | grep 'SWIG Version' | sed 's/.*\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\).*/\1/g'`] + AC_MSG_RESULT([$swig_version]) + if test -n "$swig_version" ; then + # Calculate the required version number components + [required=$1] + [required_major=`echo $required | sed 's/[^0-9].*//'`] + if test -z "$required_major" ; then + [required_major=0] + fi + [required=`echo $required | sed 's/[0-9]*[^0-9]//'`] + [required_minor=`echo $required | sed 's/[^0-9].*//'`] + if test -z "$required_minor" ; then + [required_minor=0] + fi + [required=`echo $required | sed 's/[0-9]*[^0-9]//'`] + [required_patch=`echo $required | sed 's/[^0-9].*//'`] + if test -z "$required_patch" ; then + [required_patch=0] + fi + # Calculate the available version number components + [available=$swig_version] + [available_major=`echo $available | sed 's/[^0-9].*//'`] + if test -z "$available_major" ; then + [available_major=0] + fi + [available=`echo $available | sed 's/[0-9]*[^0-9]//'`] + [available_minor=`echo $available | sed 's/[^0-9].*//'`] + if test -z "$available_minor" ; then + [available_minor=0] + fi + [available=`echo $available | sed 's/[0-9]*[^0-9]//'`] + [available_patch=`echo $available | sed 's/[^0-9].*//'`] + if test -z "$available_patch" ; then + [available_patch=0] + fi + if test $available_major -ne $required_major \ + -o $available_minor -ne $required_minor \ + -o $available_patch -lt $required_patch ; then + AC_MSG_WARN([SWIG version >= $1 is required. You have $swig_version. You should look at http://www.swig.org]) + SWIG='echo "Error: SWIG version >= $1 is required. You have '"$swig_version"'. You should look at http://www.swig.org" ; false' + else + AC_MSG_NOTICE([SWIG executable is '$SWIG']) + SWIG_LIB=`$SWIG -swiglib` + AC_MSG_NOTICE([SWIG library directory is '$SWIG_LIB']) + fi + else + AC_MSG_WARN([cannot determine SWIG version]) + SWIG='echo "Error: Cannot determine SWIG version. You should look at http://www.swig.org" ; false' + fi + fi + AC_SUBST([SWIG_LIB]) +]) |