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AX_BOOST_SIGNALS
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
Thomas Porschberg <thomas@randspringer.de>, Michael Tindal <mtindal@paradoxpoint.com>
2006-06-15
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="$withval" fi ], [want_boost="no"] ) if test "x$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]) BN=boost_signals if test "x$ax_boost_user_signals_lib" = "x"; then for ax_lib in $BN $BN-$CC $BN-$CC-mt $BN-$CC-mt-s $BN-$CC-s \ lib$BN lib$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 $BN-mgw-s ; do AC_CHECK_LIB($ax_lib, main, [BOOST_SIGNALS_LIB="-l$ax_lib" AC_SUBST(BOOST_SIGNALS_LIB) link_signals="yes" break], [link_signals="no"]) done else for ax_lib in $ax_boost_user_signals_lib $BN-$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" = "xno"; then AC_MSG_ERROR(Could not link against $ax_lib !) fi fi CPPFLAGS="$CPPFLAGS_SAVED" LDFLAGS="$LDFLAGS_SAVED" fi ])
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