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Diffstat (limited to 'm4/ax_boost_signals.m4')
| -rw-r--r-- | m4/ax_boost_signals.m4 | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/m4/ax_boost_signals.m4 b/m4/ax_boost_signals.m4 new file mode 100644 index 0000000..11e9c63 --- /dev/null +++ b/m4/ax_boost_signals.m4 @@ -0,0 +1,108 @@ +# =========================================================================== +# http://www.nongnu.org/autoconf-archive/ax_boost_signals.html +# =========================================================================== +# +# SYNOPSIS +# +# AX_BOOST_SIGNALS +# +# DESCRIPTION +# +# Test for Signals 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_SIGNALS_LIB) +# +# And sets: +# +# HAVE_BOOST_SIGNALS +# +# LICENSE +# +# Copyright (c) 2008 Thomas Porschberg <thomas@randspringer.de> +# 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_SIGNALS], +[ + AC_ARG_WITH([boost-signals], + AS_HELP_STRING([--with-boost-signals@<:@=special-lib@:>@], + [use the Signals library from boost - it is possible to specify a certain library for the linker + e.g. --with-boost-signals=boost_signals-gcc-mt-d ]), + [ + if test "$withval" = "no"; then + want_boost="no" + elif test "$withval" = "yes"; then + want_boost="yes" + ax_boost_user_signals_lib="" + else + want_boost="yes" + ax_boost_user_signals_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 $BOOST_LDFLAGS" + export LDFLAGS + + AC_CACHE_CHECK(whether the Boost::Signals library is available, + ax_cv_boost_signals, + [AC_LANG_PUSH([C++]) + AC_COMPILE_IFELSE(AC_LANG_PROGRAM([[@%:@include <boost/signal.hpp> + ]], + [[boost::signal<void ()> sig; + return 0; + ]]), + ax_cv_boost_signals=yes, ax_cv_boost_signals=no) + AC_LANG_POP([C++]) + ]) + if test "x$ax_cv_boost_signals" = "xyes"; then + AC_DEFINE(HAVE_BOOST_SIGNALS,,[define if the Boost::Signals library is available]) + BOOSTLIBDIR=`echo $BOOST_LDFLAGS | sed -e 's/@<:@^\/@:>@*//'` + if test "x$ax_boost_user_signals_lib" = "x"; then + for libextension in `ls $BOOSTLIBDIR/libboost_signals*.{so,a}* 2>/dev/null | sed 's,.*/,,' | sed -e 's;^lib\(boost_signals.*\)\.so.*$;\1;' -e 's;^lib\(boost_signals.*\)\.a*$;\1;'` ; do + ax_lib=${libextension} + AC_CHECK_LIB($ax_lib, exit, + [BOOST_SIGNALS_LIB="-l$ax_lib"; AC_SUBST(BOOST_SIGNALS_LIB) link_signals="yes"; break], + [link_signals="no"]) + done + if test "x$link_signals" != "xyes"; then + for libextension in `ls $BOOSTLIBDIR/boost_signals*.{dll,a}* 2>/dev/null | sed 's,.*/,,' | sed -e 's;^\(boost_signals.*\)\.dll.*$;\1;' -e 's;^\(boost_signals.*\)\.a*$;\1;'` ; do + ax_lib=${libextension} + AC_CHECK_LIB($ax_lib, exit, + [BOOST_SIGNALS_LIB="-l$ax_lib"; AC_SUBST(BOOST_SIGNALS_LIB) link_signals="yes"; break], + [link_signals="no"]) + done + fi + + else + for ax_lib in $ax_boost_user_signals_lib boost_signals-$ax_boost_user_signals_lib; do + AC_CHECK_LIB($ax_lib, main, + [BOOST_SIGNALS_LIB="-l$ax_lib"; AC_SUBST(BOOST_SIGNALS_LIB) link_signals="yes"; break], + [link_signals="no"]) + done + + fi + if test "x$link_signals" != "xyes"; then + AC_MSG_ERROR(Could not link against $ax_lib !) + fi + fi + + CPPFLAGS="$CPPFLAGS_SAVED" + LDFLAGS="$LDFLAGS_SAVED" + fi +]) |