diff --git a/m4-local/ax_boost_filesystem.m4 b/m4-local/ax_boost_filesystem.m4 new file mode 100644 index 0000000..76a31b5 --- /dev/null +++ b/m4-local/ax_boost_filesystem.m4 @@ -0,0 +1,110 @@ +# =========================================================================== +# http://autoconf-archive.cryp.to/ax_boost_filesystem.html +# =========================================================================== +# +# SYNOPSIS +# +# AX_BOOST_FILESYSTEM +# +# DESCRIPTION +# +# Test for Filesystem library from the Boost C++ libraries. The macro +# requires a preceding call to AX_BOOST_BASE. Further documentation is +# available at . +# +# This macro calls: +# +# AC_SUBST(BOOST_FILESYSTEM_LIB) +# +# And sets: +# +# HAVE_BOOST_FILESYSTEM +# +# LAST MODIFICATION +# +# 2008-04-12 +# +# COPYLEFT +# +# Copyright (c) 2008 Thomas Porschberg +# Copyright (c) 2008 Michael Tindal +# +# 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. + +AC_DEFUN([AX_BOOST_FILESYSTEM], +[ + AC_ARG_WITH([boost-filesystem], + AS_HELP_STRING([--with-boost-filesystem@<:@=special-lib@:>@], + [use the Filesystem library from boost - it is possible to specify a certain library for the linker + e.g. --with-boost-filesystem=boost_filesystem-gcc-mt ]), + [ + if test "$withval" = "no"; then + want_boost="no" + elif test "$withval" = "yes"; then + want_boost="yes" + ax_boost_user_filesystem_lib="" + else + want_boost="yes" + ax_boost_user_filesystem_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 $BOOST_LDFLAGS" + export LDFLAGS + + AC_CACHE_CHECK(whether the Boost::Filesystem library is available, + ax_cv_boost_filesystem, + [AC_LANG_PUSH([C++]) + AC_COMPILE_IFELSE(AC_LANG_PROGRAM([[@%:@include ]], + [[using namespace boost::filesystem; + path my_path( "foo/bar/data.txt" ); + return 0;]]), + ax_cv_boost_filesystem=yes, ax_cv_boost_filesystem=no) + AC_LANG_POP([C++]) + ]) + if test "x$ax_cv_boost_filesystem" = "xyes"; then + AC_DEFINE(HAVE_BOOST_FILESYSTEM,,[define if the Boost::Filesystem library is available]) + BOOSTLIBDIR=`echo $BOOST_LDFLAGS | sed -e 's/@<:@^\/@:>@*//'` + if test "x$ax_boost_user_filesystem_lib" = "x"; then + for libextension in `ls $BOOSTLIBDIR/libboost_filesystem*.{so,a}* 2>/dev/null | sed 's,.*/,,' | sed -e 's;^lib\(boost_filesystem.*\)\.so.*$;\1;' -e 's;^lib\(boost_filesystem.*\)\.a*$;\1;'` ; do + ax_lib=${libextension} + AC_CHECK_LIB($ax_lib, exit, + [BOOST_FILESYSTEM_LIB="-l$ax_lib"; AC_SUBST(BOOST_FILESYSTEM_LIB) link_filesystem="yes"; break], + [link_filesystem="no"]) + done + if test "x$link_program_options" != "xyes"; then + for libextension in `ls $BOOSTLIBDIR/boost_filesystem*.{dll,a}* 2>/dev/null | sed 's,.*/,,' | sed -e 's;^\(boost_filesystem.*\)\.dll.*$;\1;' -e 's;^\(boost_filesystem.*\)\.a*$;\1;'` ; do + ax_lib=${libextension} + AC_CHECK_LIB($ax_lib, exit, + [BOOST_FILESYSTEM_LIB="-l$ax_lib"; AC_SUBST(BOOST_FILESYSTEM_LIB) link_filesystem="yes"; break], + [link_filesystem="no"]) + done + fi + else + for ax_lib in $ax_boost_user_filesystem_lib boost_filesystem-$ax_boost_user_filesystem_lib; do + AC_CHECK_LIB($ax_lib, exit, + [BOOST_FILESYSTEM_LIB="-l$ax_lib"; AC_SUBST(BOOST_FILESYSTEM_LIB) link_filesystem="yes"; break], + [link_filesystem="no"]) + done + + fi + if test "x$link_filesystem" != "xyes"; then + AC_MSG_ERROR(Could not link against $ax_lib !) + fi + fi + + CPPFLAGS="$CPPFLAGS_SAVED" + LDFLAGS="$LDFLAGS_SAVED" + fi +])