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##### http://autoconf-archive.cryp.to/ax_boost_python.html
#
# SYNOPSIS
#
# AX_BOOST_PYTHON
#
# DESCRIPTION
#
# This macro checks to see if the Boost.Python library is installed.
# It also attempts to guess the currect library name using several
# attempts. It tries to build the library name using a user supplied
# name or suffix and then just the raw library.
#
# If the library is found, HAVE_BOOST_PYTHON is defined and
# BOOST_PYTHON_LIB is set to the name of the library.
#
# This macro calls AC_SUBST(BOOST_PYTHON_LIBS).
#
# In order to ensure that the Python headers are specified on the
# include path, this macro requires AX_PYTHON to be called.
#
# LAST MODIFICATION
#
# 2007-07-29
#
# COPYLEFT
#
# Copyright (c) 2005 Michael Tindal <mtindal@paradoxpoint.com>
# Copyright © 2007 Carl Fürstenberg <azatoth@gmail.com>
#
# 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, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
# 02111-1307, USA.
#
# 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([AX_BOOST_PYTHON],
[AC_REQUIRE([AX_PYTHON])dnl
AS_VAR_PUSHDEF([ax_BoostPython], [ax_cv_boost_python])dnl
AC_LANG_PUSH([C++])
ax_cv_boost_python_save_CPPFLAGS=$CPPFLAGS
CPPFLAGS="-I$PYTHON_INCLUDE_DIR $CPPFLAGS"
AC_CHECK_HEADER([boost/python.hpp],
[AC_DEFINE([HAVE_BOOST_PYTHON],,[define if the Boost::Python library is available])]
)
CPPFLAGS=$ax_cv_boost_python_save_CPPFLAGS
AC_LANG_POP([C++])
BN=boost_python
AC_ARG_WITH(
[boost-python],
[AS_HELP_STRING([--with-boost-python],[specify the boost python library to use])],
[ax_python_lib=$withval],
[for ax_lib in $BN $BN-mt $BN-$CC $BN-$CC-mt $BN-$CC-mt-s $BN-$CC-s \
lib$BN lib$BN-mt lib$BN-$CC lib$BN-$CC-mt lib$BN-$CC-mt-s lib$BN-$CC-s \
$BN-mgw $BN-mgw $BN-mgw-mt $BN-mgw-mt-s $BN-mgw-s; do
ax_python_lib="$ax_python_lib $ax_lib";
done;
ax_python_lib="$ax_python_lib $ax_python_lib_extra"]
)
AS_VAR_PUSHDEF([ax_Search], [ax_cv_search])dnl
AC_CACHE_CHECK([for Usable Boost::Python library], [ax_Search],
[AC_LANG_PUSH([C++])
ax_cv_search_save_CXXFLAGS=$CXXFLAGS
CXXFLAGS="-I$PYTHON_INCLUDE_DIR $CXXFLAGS"
ax_cv_search_save_LIBS=$LIBS
for ax_current_lib in $ax_python_lib; do
ax_res=-l$ax_current_lib
LIBS="-l$ax_current_lib -l$PYTHON_LIB $ax_cv_search_save_LIBS"
AC_LINK_IFELSE([#include <boost/python/module.hpp>
using namespace boost::python;
BOOST_PYTHON_MODULE(test) { throw "Boost::Python test."; }
int main() {return 0;}],
[AS_VAR_SET([ax_Search], [$ax_res])])
AS_VAR_SET_IF([ax_Search], [break])dnl
done
AS_VAR_SET_IF([ax_Search], , [AS_VAR_SET([ax_Search], [no])])
LIBS=$ax_cv_search_save_LIBS
CXXFLAGS=$ax_cv_search_save_CXXFLAGS
AC_LANG_POP([C++])])
ax_res=AS_VAR_GET([ax_Search])
AS_IF([test "$ax_res" != "no"],
[BOOST_PYTHON_LIBS="$ax_res"
AC_SUBST(BOOST_PYTHON_LIBS)],
[AS_WARN([No suitable Boost::Python library found])])dnl
AS_VAR_POPDEF([ax_Search])dnl
])
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