warzone2100/lib/betawidget/m4/ac_pkg_swig.m4

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# ===========================================================================
# 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>
# Copyright (c) 2008 Giel van Schijndel <muggenhor@gna.org>
#
# 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_REQUIRE([AC_PROG_SED])
AC_REQUIRE([AC_PROG_GREP])
AX_WITH_PROG([SWIG], [swig])
AS_IF([test -n "$SWIG"],[
ax_swig_version="$1"
AC_MSG_CHECKING([for swig version])
changequote(<<,>>)
swig_version=`$SWIG -version 2>&1 | $GREP -i 'version' | $SED -e 's/.*Version\s\+\([0-9]\+\.[0-9]*\.[0-9]*\).*/\1/'`
changequote([,])
AC_MSG_RESULT($swig_version)
AC_SUBST([SWIG_VERSION],[$swig_version])
AX_COMPARE_VERSION([$ax_swig_version],[le],[$swig_version],[
:
AC_SUBST([SWIG_LIB], `$SWIG -swiglib`)
],[
:
AC_MSG_ERROR([could not find the swig interpreter])
])
],[
AC_MSG_ERROR([could not find the swig interpreter])
])
])