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Diffstat (limited to '')
| -rw-r--r-- | m4/ax_boost_filesystem.m4 | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/m4/ax_boost_filesystem.m4 b/m4/ax_boost_filesystem.m4 new file mode 100644 index 000000000..b571f8951 --- /dev/null +++ b/m4/ax_boost_filesystem.m4 @@ -0,0 +1,118 @@ +# =========================================================================== +# http://www.gnu.org/software/autoconf-archive/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 <http://randspringer.de/boost/index.html>. +# +# This macro calls: +# +# AC_SUBST(BOOST_FILESYSTEM_LIB) +# +# And sets: +# +# HAVE_BOOST_FILESYSTEM +# +# LICENSE +# +# Copyright (c) 2009 Thomas Porschberg <thomas@randspringer.de> +# Copyright (c) 2009 Michael Tindal +# Copyright (c) 2009 Roman Rybalko <libtorrent@romanr.info> +# +# 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 26 + +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 $BOOST_LDFLAGS" + export LDFLAGS + + LIBS_SAVED=$LIBS + LIBS="$LIBS $BOOST_SYSTEM_LIB" + export LIBS + + AC_CACHE_CHECK(whether the Boost::Filesystem library is available, + ax_cv_boost_filesystem, + [AC_LANG_PUSH([C++]) + AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[@%:@include <boost/filesystem/path.hpp>]], + [[using namespace boost::filesystem; + path my_path( "foo/bar/data.txt" ); + return 0;]])], + ax_cv_boost_filesystem=yes, ax_cv_boost_filesystem=no) + AC_LANG_POP([C++]) + ]) + if test "x$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 -r $BOOSTLIBDIR/libboost_filesystem* 2>/dev/null | sed 's,.*/lib,,' | sed 's,\..*,,'` ; do + ax_lib=${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_filesystem" != "xyes"; then + for libextension in `ls -r $BOOSTLIBDIR/boost_filesystem* 2>/dev/null | sed 's,.*/,,' | sed -e 's,\..*,,'` ; do + ax_lib=${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$ax_lib" = "x"; then + AC_MSG_ERROR(Could not find a version of the boost filesystem library!) + fi + if test "x$link_filesystem" != "xyes"; then + AC_MSG_ERROR(Could not link against $ax_lib !) + fi + fi + + CPPFLAGS="$CPPFLAGS_SAVED" + LDFLAGS="$LDFLAGS_SAVED" + LIBS="$LIBS_SAVED" + fi +]) |