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# SYNOPSIS
#
# AX_BOOST_GRAPH
#
# DESCRIPTION
#
# Test for Graph library from the Boost C++ libraries. The macro
# requires a preceding call to AX_BOOST_BASE. Further documentation is
# available at <http://randspringer.de/boost/index.html>.
#
# This macro calls:
#
# AC_SUBST(BOOST_GRAPH_LIB)
#
# And sets:
#
# HAVE_BOOST_GRAPH
#
# LICENSE
#
# Copyright (c) 2008 Thomas Porschberg <thomas@randspringer.de>
#
# Copying and distribution of this file, with or without modification, are
# permitted in any medium without royalty provided the copyright notice
# and this notice are preserved. This file is offered as-is, without any
# warranty.
#serial 20
AC_DEFUN([AX_BOOST_GRAPH],
[
AC_ARG_WITH([boost-graph],
AS_HELP_STRING([--with-boost-graph@<:@=special-lib@:>@],
[use the Graph library from boost - it is possible to specify a certain library for the linker
e.g. --with-boost-graph=boost_graph-gcc-mt-d-1_33_1 ]),
[
if test "$withval" = "no"; then
want_boost="no"
elif test "$withval" = "yes"; then
want_boost="yes"
ax_boost_user_graph_lib=""
else
want_boost="yes"
ax_boost_user_graph_lib="$withval"
fi
],
[want_boost="yes"]
)
if test "x$want_boost" = "xyes"; then
AC_REQUIRE([AC_PROG_CC])
CPPFLAGS_SAVED="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
export CPPFLAGS
LDFLAGS_SAVED="$LDFLAGS"
LDFLAGS="$LDFLAGS $BOOST_LDFLAGS"
export LDFLAGS
AC_CACHE_CHECK(whether the Boost::Graph library is available,
ax_cv_boost_graph,
[AC_LANG_PUSH([C++])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[@%:@include <boost/graph/adjacency_list.hpp>]],
[[using namespace boost; adjacency_list<> g; return 0;]])],
ax_cv_boost_graph=yes, ax_cv_boost_graph=no)
AC_LANG_POP([C++])
])
if test "x$ax_cv_boost_graph" = "xyes"; then
AC_DEFINE(HAVE_BOOST_GRAPH,,[define if the Boost::Graph library is available])
BOOSTLIBDIR=`echo $BOOST_LDFLAGS | sed -e 's/@<:@^\/@:>@*//'`
if test "x$ax_boost_user_graph_lib" = "x"; then
for libextension in `ls $BOOSTLIBDIR/libboost_graph*.so* $BOOSTLIBDIR/libboost_iostream*.dylib* $BOOSTLIBDIR/libboost_graph*.a* 2>/dev/null | sed 's,.*/,,' | sed -e 's;^lib\(boost_graph.*\)\.so.*$;\1;' -e 's;^lib\(boost_iostream.*\)\.dylib.*$;\1;' -e 's;^lib\(boost_graph.*\)\.a.*$;\1;'` ; do
ax_lib=${libextension}
AC_CHECK_LIB($ax_lib, exit,
[BOOST_GRAPH_LIB="-l$ax_lib"; AC_SUBST(BOOST_GRAPH_LIB) link_graph="yes"; break],
[link_graph="no"])
done
if test "x$link_graph" != "xyes"; then
for libextension in `ls $BOOSTLIBDIR/boost_graph*.dll* $BOOSTLIBDIR/boost_graph*.a* 2>/dev/null | sed 's,.*/,,' | sed -e 's;^\(boost_graph.*\)\.dll.*$;\1;' -e 's;^\(boost_graph.*\)\.a.*$;\1;'` ; do
ax_lib=${libextension}
AC_CHECK_LIB($ax_lib, exit,
[BOOST_GRAPH_LIB="-l$ax_lib"; AC_SUBST(BOOST_GRAPH_LIB) link_graph="yes"; break],
[link_graph="no"])
done
fi
else
for ax_lib in $ax_boost_user_graph_lib boost_graph-$ax_boost_user_graph_lib; do
AC_CHECK_LIB($ax_lib, main,
[BOOST_GRAPH_LIB="-l$ax_lib"; AC_SUBST(BOOST_GRAPH_LIB) link_graph="yes"; break],
[link_graph="no"])
done
fi
if test "x$ax_lib" = "x"; then
AC_MSG_ERROR(Could not find a version of the library!)
fi
if test "x$link_graph" != "xyes"; then
AC_MSG_ERROR(Could not link against $ax_lib !)
fi
fi
CPPFLAGS="$CPPFLAGS_SAVED"
LDFLAGS="$LDFLAGS_SAVED"
fi
])
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