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build-aux/m4/ax_boost_thread.m4

# =========================================================================== # ===========================================================================
# http://www.gnu.org/software/autoconf-archive/ax_boost_thread.html # http://www.gnu.org/software/autoconf-archive/ax_boost_thread.html
# =========================================================================== # ===========================================================================
# #
# SYNOPSIS # SYNOPSIS
# #
# AX_BOOST_THREAD # AX_BOOST_THREAD
# #
# DESCRIPTION # DESCRIPTION
# #
# Test for Thread library from the Boost C++ libraries. The macro requires # Test for Thread library from the Boost C++ libraries. The macro requires
# a preceding call to AX_BOOST_BASE. Further documentation is available at # a preceding call to AX_BOOST_BASE. Further documentation is available at
# <http://randspringer.de/boost/index.html>. # <http://randspringer.de/boost/index.html>.
# #
# This macro calls: # This macro calls:
# #
# AC_SUBST(BOOST_THREAD_LIB) # AC_SUBST(BOOST_THREAD_LIB)
# #
# And sets: # And sets:
# #
# HAVE_BOOST_THREAD # HAVE_BOOST_THREAD
# #
# LICENSE # LICENSE
# #
# Copyright (c) 2009 Thomas Porschberg <thomas@randspringer.de> # Copyright (c) 2009 Thomas Porschberg <thomas@randspringer.de>
# Copyright (c) 2009 Michael Tindal # Copyright (c) 2009 Michael Tindal
# #
# Copying and distribution of this file, with or without modification, are # Copying and distribution of this file, with or without modification, are
# permitted in any medium without royalty provided the copyright notice # permitted in any medium without royalty provided the copyright notice
# and this notice are preserved. This file is offered as-is, without any # and this notice are preserved. This file is offered as-is, without any
# warranty. # warranty.
#serial 27 #serial 27
AC_DEFUN([AX_BOOST_THREAD], AC_DEFUN([AX_BOOST_THREAD],
[ [
AC_ARG_WITH([boost-thread], AC_ARG_WITH([boost-thread],
AS_HELP_STRING([--with-boost-thread@<:@=special-lib@:>@], AS_HELP_STRING([--with-boost-thread@<:@=special-lib@:>@],
[use the Thread library from boost - it is possible to specify a certain library for the linker [use the Thread library from boost - it is possible to specify a certain library for the linker
e.g. --with-boost-thread=boost_thread-gcc-mt ]), e.g. --with-boost-thread=boost_thread-gcc-mt ]),
[ [
if test "$withval" = "no"; then if test "$withval" = "no"; then
want_boost="no" want_boost="no"
elif test "$withval" = "yes"; then elif test "$withval" = "yes"; then
want_boost="yes" want_boost="yes"
ax_boost_user_thread_lib="" ax_boost_user_thread_lib=""
else else
want_boost="yes" want_boost="yes"
ax_boost_user_thread_lib="$withval" ax_boost_user_thread_lib="$withval"
fi fi
], ],
[want_boost="yes"] [want_boost="yes"]
) )
if test "x$want_boost" = "xyes"; then if test "x$want_boost" = "xyes"; then
AC_REQUIRE([AC_PROG_CC]) AC_REQUIRE([AC_PROG_CC])
AC_REQUIRE([AC_CANONICAL_BUILD]) AC_REQUIRE([AC_CANONICAL_BUILD])
CPPFLAGS_SAVED="$CPPFLAGS" CPPFLAGS_SAVED="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS" CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
export CPPFLAGS export CPPFLAGS
LDFLAGS_SAVED="$LDFLAGS" LDFLAGS_SAVED="$LDFLAGS"
LDFLAGS="$LDFLAGS $BOOST_LDFLAGS" LDFLAGS="$LDFLAGS $BOOST_LDFLAGS"
export LDFLAGS export LDFLAGS
AC_CACHE_CHECK(whether the Boost::Thread library is available, AC_CACHE_CHECK(whether the Boost::Thread library is available,
ax_cv_boost_thread, ax_cv_boost_thread,
[AC_LANG_PUSH([C++]) [AC_LANG_PUSH([C++])
CXXFLAGS_SAVE=$CXXFLAGS CXXFLAGS_SAVE=$CXXFLAGS
if test "x$host_os" = "xsolaris" ; then if test "x$host_os" = "xsolaris" ; then
CXXFLAGS="-pthreads $CXXFLAGS" CXXFLAGS="-pthreads $CXXFLAGS"
elif test "x$host_os" = "xmingw32" ; then elif test "x$host_os" = "xmingw32" ; then
CXXFLAGS="-mthreads $CXXFLAGS" CXXFLAGS="-mthreads $CXXFLAGS"
else else
CXXFLAGS="-pthread $CXXFLAGS" CXXFLAGS="-pthread $CXXFLAGS"
fi fi
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[@%:@include <boost/thread/thread.hpp>]], AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[@%:@include <boost/thread/thread.hpp>]],
[[boost::thread_group thrds; [[boost::thread_group thrds;
return 0;]])], return 0;]])],
ax_cv_boost_thread=yes, ax_cv_boost_thread=no) ax_cv_boost_thread=yes, ax_cv_boost_thread=no)
CXXFLAGS=$CXXFLAGS_SAVE CXXFLAGS=$CXXFLAGS_SAVE
AC_LANG_POP([C++]) AC_LANG_POP([C++])
]) ])
if test "x$ax_cv_boost_thread" = "xyes"; then if test "x$ax_cv_boost_thread" = "xyes"; then
if test "x$host_os" = "xsolaris" ; then if test "x$host_os" = "xsolaris" ; then
BOOST_CPPFLAGS="-pthreads $BOOST_CPPFLAGS" BOOST_CPPFLAGS="-pthreads $BOOST_CPPFLAGS"
elif test "x$host_os" = "xmingw32" ; then elif test "x$host_os" = "xmingw32" ; then
BOOST_CPPFLAGS="-mthreads $BOOST_CPPFLAGS" BOOST_CPPFLAGS="-mthreads $BOOST_CPPFLAGS"
else else
BOOST_CPPFLAGS="-pthread $BOOST_CPPFLAGS" BOOST_CPPFLAGS="-pthread $BOOST_CPPFLAGS"
fi fi
AC_SUBST(BOOST_CPPFLAGS) AC_SUBST(BOOST_CPPFLAGS)
AC_DEFINE(HAVE_BOOST_THREAD,,[define if the Boost::Thread library is available]) AC_DEFINE(HAVE_BOOST_THREAD,,[define if the Boost::Thread library is available])
BOOSTLIBDIR=`echo $BOOST_LDFLAGS | sed -e 's/@<:@^\/@:>@*//'` BOOSTLIBDIR=`echo $BOOST_LDFLAGS | sed -e 's/@<:@^\/@:>@*//'`
LDFLAGS_SAVE=$LDFLAGS LDFLAGS_SAVE=$LDFLAGS
case "x$host_os" in case "x$host_os" in
*bsd* ) *bsd* )
LDFLAGS="-pthread $LDFLAGS" LDFLAGS="-pthread $LDFLAGS"
break; break;
;; ;;
esac esac
if test "x$ax_boost_user_thread_lib" = "x"; then if test "x$ax_boost_user_thread_lib" = "x"; then
ax_lib= ax_lib=
for libextension in `ls -r $BOOSTLIBDIR/libboost_thread* 2>/dev/null | sed 's,.*/lib,,' | sed 's,\..*,,'`; do for libextension in `ls -r $BOOSTLIBDIR/libboost_thread* 2>/dev/null | sed 's,.*/lib,,' | sed 's,\..*,,'`; do
ax_lib=${libextension} ax_lib=${libextension}
AC_CHECK_LIB($ax_lib, exit, AC_CHECK_LIB($ax_lib, exit,
[BOOST_THREAD_LIB="-l$ax_lib"; AC_SUBST(BOOST_THREAD_LIB) link_thread="yes"; break], [BOOST_THREAD_LIB="-l$ax_lib"; AC_SUBST(BOOST_THREAD_LIB) link_thread="yes"; break],
[link_thread="no"]) [link_thread="no"])
done done
if test "x$link_thread" != "xyes"; then if test "x$link_thread" != "xyes"; then
for libextension in `ls -r $BOOSTLIBDIR/boost_thread* 2>/dev/null | sed 's,.*/,,' | sed 's,\..*,,'`; do for libextension in `ls -r $BOOSTLIBDIR/boost_thread* 2>/dev/null | sed 's,.*/,,' | sed 's,\..*,,'`; do
ax_lib=${libextension} ax_lib=${libextension}
AC_CHECK_LIB($ax_lib, exit, AC_CHECK_LIB($ax_lib, exit,
[BOOST_THREAD_LIB="-l$ax_lib"; AC_SUBST(BOOST_THREAD_LIB) link_thread="yes"; break], [BOOST_THREAD_LIB="-l$ax_lib"; AC_SUBST(BOOST_THREAD_LIB) link_thread="yes"; break],
[link_thread="no"]) [link_thread="no"])
done done
fi fi
else else
for ax_lib in $ax_boost_user_thread_lib boost_thread-$ax_boost_user_thread_lib; do for ax_lib in $ax_boost_user_thread_lib boost_thread-$ax_boost_user_thread_lib; do
AC_CHECK_LIB($ax_lib, exit, AC_CHECK_LIB($ax_lib, exit,
[BOOST_THREAD_LIB="-l$ax_lib"; AC_SUBST(BOOST_THREAD_LIB) link_thread="yes"; break], [BOOST_THREAD_LIB="-l$ax_lib"; AC_SUBST(BOOST_THREAD_LIB) link_thread="yes"; break],
[link_thread="no"]) [link_thread="no"])
done done
fi fi
if test "x$ax_lib" = "x"; then if test "x$ax_lib" = "x"; then
AC_MSG_ERROR(Could not find a version of the boost_thread library!) AC_MSG_ERROR(Could not find a version of the boost_thread library!)
fi fi
if test "x$link_thread" = "xno"; then if test "x$link_thread" = "xno"; then
AC_MSG_ERROR(Could not link against $ax_lib !) AC_MSG_ERROR(Could not link against $ax_lib !)
else else
case "x$host_os" in case "x$host_os" in
*bsd* ) *bsd* )
BOOST_LDFLAGS="-pthread $BOOST_LDFLAGS" BOOST_LDFLAGS="-pthread $BOOST_LDFLAGS"
break; break;
;; ;;
esac esac
fi fi
fi fi
CPPFLAGS="$CPPFLAGS_SAVED" CPPFLAGS="$CPPFLAGS_SAVED"
LDFLAGS="$LDFLAGS_SAVED" LDFLAGS="$LDFLAGS_SAVED"
fi fi
]) ])