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dnl @synopsis AC_PROG_SWIG([major.minor.micro])
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dnl This macro searches for a SWIG installation on your system. If
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dnl found you should call SWIG via $(SWIG). You can use the optional
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dnl first argument to check if the version of the available SWIG is
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dnl greater than or equal to the value of the argument. It should have
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dnl the format: N[.N[.N]] (N is a number between 0 and 999. Only the
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dnl first N is mandatory.)
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dnl If the version argument is given (e.g. 1.3.17), AC_PROG_SWIG checks
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dnl that the swig package is this version number or higher.
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dnl In configure.in, use as:
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dnl AC_PROG_SWIG(1.3.17)
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dnl SWIG_MULTI_MODULE_SUPPORT
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dnl @category InstalledPackages
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dnl @author Sebastian Huber <sebastian-huber@web.de>
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dnl @author Alan W. Irwin <irwin@beluga.phys.uvic.ca>
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dnl @author Rafael Laboissiere <rafael@laboissiere.net>
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dnl @author Andrew Collier <abcollier@yahoo.com>
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dnl @version 2004-09-20
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dnl @license GPLWithACException
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AC_DEFUN([AC_PROG_SWIG],[
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AC_PATH_PROG([SWIG],[swig])
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if test -z "$SWIG" ; then
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AC_MSG_ERROR([cannot find 'swig' program installed])
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elif test -n "$1" ; then
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AC_MSG_CHECKING([for SWIG version])
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[swig_version=`$SWIG -version 2>&1 | grep 'SWIG Version' | sed 's/.*\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\).*/\1/g'`]
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AC_MSG_RESULT([$swig_version])
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if test -n "$swig_version" ; then
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# Calculate the required version number components
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[required_major=`echo $required | sed 's/[^0-9].*//'`]
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if test -z "$required_major" ; then
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[required=`echo $required | sed 's/[0-9]*[^0-9]//'`]
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[required_minor=`echo $required | sed 's/[^0-9].*//'`]
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if test -z "$required_minor" ; then
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[required=`echo $required | sed 's/[0-9]*[^0-9]//'`]
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[required_patch=`echo $required | sed 's/[^0-9].*//'`]
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if test -z "$required_patch" ; then
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# Calculate the available version number components
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[available=$swig_version]
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[available_major=`echo $available | sed 's/[^0-9].*//'`]
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if test -z "$available_major" ; then
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[available=`echo $available | sed 's/[0-9]*[^0-9]//'`]
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[available_minor=`echo $available | sed 's/[^0-9].*//'`]
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if test -z "$available_minor" ; then
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[available=`echo $available | sed 's/[0-9]*[^0-9]//'`]
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[available_patch=`echo $available | sed 's/[^0-9].*//'`]
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if test -z "$available_patch" ; then
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if test $available_major -ne $required_major \
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-o $available_minor -ne $required_minor \
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-o $available_patch -lt $required_patch ; then
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AC_MSG_ERROR([SWIG version >= $1 is required.])
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AC_MSG_NOTICE([SWIG executable is '$SWIG'])
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SWIG_LIB=`$SWIG -swiglib`
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AC_MSG_NOTICE([SWIG library directory is '$SWIG_LIB'])
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# Test for the PHP sefgault bug
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if test $available_major -ne 1 \
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-o $available_minor -lt 3 \
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-o $available_patch -lt 33 ; then
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SWIG_CAN_BUILD_PHP=yes
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AC_SUBST([SWIG_CAN_BUILD_PHP])
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AC_MSG_ERROR([cannot determine SWIG version.])
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# Enable SWIG C++ support. This affects all invocations of $(SWIG).
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AC_DEFUN([SWIG_ENABLE_CXX],[
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AC_REQUIRE([AC_PROG_SWIG])
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AC_REQUIRE([AC_PROG_CXX])
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# SWIG_MULTI_MODULE_SUPPORT()
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# Enable support for multiple modules. This effects all invocations
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# of $(SWIG). You have to link all generated modules against the
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# appropriate SWIG runtime library. If you want to build Python
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# modules for example, use the SWIG_PYTHON() macro and link the
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# modules against $(SWIG_PYTHON_LIBS).
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AC_DEFUN([SWIG_MULTI_MODULE_SUPPORT],[
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AC_REQUIRE([AC_PROG_SWIG])
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SWIG="$SWIG -noruntime"
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# SWIG_PYTHON([use-shadow-classes = {no, yes}])
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# Checks for Python and provides the $(SWIG_PYTHON_CPPFLAGS),
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# and $(SWIG_PYTHON_OPT) output variables.
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# $(SWIG_PYTHON_OPT) contains all necessary SWIG options to generate
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# code for Python. Shadow classes are enabled unless the value of the
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# optional first argument is exactly 'no'. If you need multi module
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# support (provided by the SWIG_MULTI_MODULE_SUPPORT() macro) use
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# $(SWIG_PYTHON_LIBS) to link against the appropriate library. It
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# contains the SWIG Python runtime library that is needed by the type
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# check system for example.
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AC_DEFUN([SWIG_PYTHON],[
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AC_REQUIRE([AC_PROG_SWIG])
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AC_REQUIRE([AC_PYTHON_DEVEL])
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test "x$1" != "xno" || swig_shadow=" -noproxy"
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AC_SUBST([SWIG_PYTHON_OPT],[-python$swig_shadow])
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AC_SUBST([SWIG_PYTHON_CPPFLAGS],[$PYTHON_CPPFLAGS])
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dnl @synopsis AC_LIB_WAD
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dnl This macro searches for installed WAD library.
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AC_DEFUN([AC_LIB_WAD],
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AC_REQUIRE([AC_PYTHON_DEVEL])
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AS_HELP_STRING([--enable-wad],[enable wad module]),
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case "${enableval}" in
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*) if test "x${enableval}" = xyes;
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if test -n "$check_wad";
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AC_CHECK_LIB(wadpy, _init, [WADPY=-lwadpy], [], $PYTHON_LDFLAGS $PYTHON_EXTRA_LIBS)
added
removed
m4/ac_pkg_swig.m4
