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ax_boost.m4
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ax_boost.m4
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dnl @synopsis AX_BOOST([MINIMUM-VERSION], [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
dnl
dnl Test for the Boost C++ libraries of a particular version (or newer)
dnl
dnl If no path to the installed boost library is given the macro
dnl searchs under /usr, /usr/local, and /opt, and evaluates the
dnl $BOOST_ROOT environment variable. Further documentation is
dnl available at <http://randspringer.de/boost/index.html>.
dnl
dnl This macro calls:
dnl
dnl AC_SUBST(BOOST_CPPFLAGS) / AC_SUBST(BOOST_LDFLAGS)
dnl AC_SUBST(BOOST_FILESYSTEM_LIB)
dnl AC_SUBST(BOOST_PROGRAM_OPTIONS_LIB)
dnl AC_SUBST(BOOST_THREAD_LIB)
dnl AC_SUBST(BOOST_IOSTREAMS_LIB)
dnl AC_SUBST(BOOST_SERIALIZATION_LIB)
dnl AC_SUBST(BOOST_WSERIALIZATION_LIB)
dnl AC_SUBST(BOOST_SIGNALS_LIB)
dnl AC_SUBST(BOOST_DATE_TIME_LIB)
dnl AC_SUBST(BOOST_REGEX_LIB)
dnl AC_SUBST(BOOST_UNIT_TEST_FRAMEWORK_LIB)
dnl
dnl And sets:
dnl
dnl HAVE_BOOST
dnl HAVE_BOOST_FILESYSTEM
dnl HAVE_BOOST_PROGRAM_OPTIONS
dnl HAVE_BOOST_THREAD
dnl HAVE_BOOST_IOSTREAMS
dnl HAVE_BOOST_SERIALIZATION
dnl HAVE_BOOST_SIGNALS
dnl HAVE_BOOST_DATE_TIME
dnl HAVE_BOOST_REGEX
dnl HAVE_BOOST_UNIT_TEST_FRAMEWORK
dnl
dnl @category InstalledPackages
dnl @category Cxx
dnl @author Thomas Porschberg <[email protected]>
dnl @version 2006-06-15
dnl @license AllPermissive
AC_DEFUN([AX_BOOST],
[
AC_ARG_WITH([boost],
AS_HELP_STRING([--with-boost=DIR],
[use boost (default is NO) specify the root directory for boost library (optional)]),
[
if test "$withval" = "no"; then
want_boost="no"
elif test "$withval" = "yes"; then
want_boost="yes"
ac_boost_path=""
else
want_boost="yes"
ac_boost_path="$withval"
fi
],
[want_boost="yes"])
AC_CANONICAL_BUILD
if test "x$want_boost" = "xyes"; then
AC_REQUIRE([AC_PROG_CC])
boost_lib_version_req=ifelse([$1], ,1.20.0,$1)
boost_lib_version_req_shorten=`expr $boost_lib_version_req : '\([[0-9]]*\.[[0-9]]*\)'`
boost_lib_version_req_major=`expr $boost_lib_version_req : '\([[0-9]]*\)'`
boost_lib_version_req_minor=`expr $boost_lib_version_req : '[[0-9]]*\.\([[0-9]]*\)'`
boost_lib_version_req_sub_minor=`expr $boost_lib_version_req : '[[0-9]]*\.[[0-9]]*\.\([[0-9]]*\)'`
if test "x$boost_lib_version_req_sub_minor" = "x" ; then
boost_lib_version_req_sub_minor="0"
fi
WANT_BOOST_VERSION=`expr $boost_lib_version_req_major \* 100000 \+ $boost_lib_version_req_minor \* 100 \+ $boost_lib_version_req_sub_minor`
AC_MSG_CHECKING(for boostlib >= $boost_lib_version_req)
succeeded=no
dnl first we check the system location for boost libraries
dnl this location ist chosen if boost libraries are installed with the --layout=system option
dnl or if you install boost with RPM
if test "$ac_boost_path" != ""; then
BOOST_LDFLAGS="-L$ac_boost_path/lib"
BOOST_CPPFLAGS="-I$ac_boost_path/include"
else
for ac_boost_path_tmp in /usr /usr/local /opt ; do
if test -d "$ac_boost_path_tmp/include/boost" && test -r "$ac_boost_path_tmp/include/boost"; then
BOOST_LDFLAGS="-L$ac_boost_path_tmp/lib"
BOOST_CPPFLAGS="-I$ac_boost_path_tmp/include"
break;
fi
done
fi
CPPFLAGS_SAVED="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
export CPPFLAGS
LDFLAGS_SAVED="$LDFLAGS"
LDFLAGS="$LDFLAGS $BOOST_LDFLAGS"
export LDFLAGS
AC_LANG_PUSH(C++)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
@%:@include <boost/version.hpp>
]],
[[
#if BOOST_VERSION >= $WANT_BOOST_VERSION
// Everything is okay
#else
# error Boost version is too old
#endif
]])],
[
AC_MSG_RESULT(yes)
succeeded=yes
found_system=yes
ifelse([$2], , :, [$2])
],
[
])
AC_LANG_POP([C++])
dnl if we found no boost with system layout we search for boost libraries
dnl built and installed without the --layout=system option or for a staged(not installed) version
if test "x$succeeded" != "xyes"; then
_version=0
if test "$ac_boost_path" != ""; then
BOOST_LDFLAGS="-L$ac_boost_path/lib"
if test -d "$ac_boost_path" && test -r "$ac_boost_path"; then
for i in `ls -d $ac_boost_path/include/boost-* 2>/dev/null`; do
_version_tmp=`echo $i | sed "s#$ac_boost_path##" | sed 's/\/include\/boost-//' | sed 's/_/./'`
V_CHECK=`expr $_version_tmp \> $_version`
if test "$V_CHECK" = "1" ; then
_version=$_version_tmp
fi
VERSION_UNDERSCORE=`echo $_version | sed 's/\./_/'`
BOOST_CPPFLAGS="-I$ac_boost_path/include/boost-$VERSION_UNDERSCORE"
done
fi
else
for ac_boost_path in /usr /usr/local /opt ; do
if test -d "$ac_boost_path" && test -r "$ac_boost_path"; then
for i in `ls -d $ac_boost_path/include/boost-* 2>/dev/null`; do
_version_tmp=`echo $i | sed "s#$ac_boost_path##" | sed 's/\/include\/boost-//' | sed 's/_/./'`
V_CHECK=`expr $_version_tmp \> $_version`
if test "$V_CHECK" = "1" ; then
_version=$_version_tmp
best_path=$ac_boost_path
fi
done
fi
done
VERSION_UNDERSCORE=`echo $_version | sed 's/\./_/'`
BOOST_CPPFLAGS="-I$best_path/include/boost-$VERSION_UNDERSCORE"
BOOST_LDFLAGS="-L$best_path/lib"
if test "x$BOOST_ROOT" != "x"; then
if test -d "$BOOST_ROOT" && test -r "$BOOST_ROOT" && test -d "$BOOST_ROOT/stage/lib" && test -r "$BOOST_ROOT/stage/lib"; then
version_dir=`expr //$BOOST_ROOT : '.*/\(.*\)'`
stage_version=`echo $version_dir | sed 's/boost_//' | sed 's/_/./g'`
stage_version_shorten=`expr $stage_version : '\([[0-9]]*\.[[0-9]]*\)'`
V_CHECK=`expr $stage_version_shorten \>\= $_version`
if test "$V_CHECK" = "1" ; then
AC_MSG_NOTICE(We will use a staged boost library from $BOOST_ROOT)
BOOST_CPPFLAGS="-I$BOOST_ROOT"
BOOST_LDFLAGS="-L$BOOST_ROOT/stage/lib"
fi
fi
fi
fi
CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
export CPPFLAGS
LDFLAGS="$LDFLAGS $BOOST_LDFLAGS"
export LDFLAGS
AC_LANG_PUSH(C++)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
@%:@include <boost/version.hpp>
]],
[[
#if BOOST_VERSION >= $WANT_BOOST_VERSION
// Everything is okay
#else
# error Boost version is too old
#endif
]])],
[
AC_MSG_RESULT(yes ($_version))
succeeded=yes
ifelse([$2], , :, [$2])
],
[
AC_MSG_RESULT(no ($_version))
ifelse([$3], , :, [$3])
])
AC_LANG_POP([C++])
fi
if test "$succeeded" != "yes" ; then
if test "$_version" = "0" ; then
AC_MSG_ERROR([[We could not detect the boost libraries (version $boost_lib_version_req_shorten or higher). If you have a staged boost library (still not installed) please specify \$BOOST_ROOT in your environment and do not give a PATH to --with-boost option. If you are sure you have boost installed, then check your version number looking in <boost/version.hpp>. See http://randspringer.de/boost for more documentation.]])
else
AC_MSG_ERROR('Your boost libraries seems to old (version $_version). We need at least $boost_lib_version_shorten')
fi
else
AC_SUBST(BOOST_CPPFLAGS)
AC_SUBST(BOOST_LDFLAGS)
AC_DEFINE(HAVE_BOOST,,[define if the Boost library is available])
AC_CACHE_CHECK([whether the Boost::Filesystem library is available],
ax_cv_boost_filesystem,
[AC_LANG_PUSH([C++])
AC_COMPILE_IFELSE(AC_LANG_PROGRAM([[@%:@include <boost/filesystem/path.hpp>]],
[[using namespace boost::filesystem;
path my_path( "foo/bar/data.txt" );
return 0;]]),
ax_cv_boost_filesystem=yes, ax_cv_boost_filesystem=no)
AC_LANG_POP([C++])
])
if test "$ax_cv_boost_filesystem" = "yes"; then
AC_DEFINE(HAVE_BOOST_FILESYSTEM,,[define if the Boost::FILESYSTEM library is available])
BN=boost_filesystem
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_FILESYSTEM_LIB="-l$ax_lib" AC_SUBST(BOOST_FILESYSTEM_LIB) link_filesystem="yes" break],
[link_filesystem="no"])
done
if test "x$link_filesystem" = "xno"; then
AC_MSG_NOTICE(Could not link against $ax_lib !)
fi
fi
AC_CACHE_CHECK([whether the Boost::Program_Options library is available],
ax_cv_boost_program_options,
[AC_LANG_PUSH([C++])
AC_COMPILE_IFELSE(AC_LANG_PROGRAM([[@%:@include <boost/program_options.hpp>]],
[[boost::program_options::options_description generic("Generic options");
return 0;]]),
ax_cv_boost_program_options=yes, ax_cv_boost_program_options=no)
AC_LANG_POP([C++])
])
if test "$ax_cv_boost_program_options" = yes; then
AC_DEFINE(HAVE_BOOST_PROGRAM_OPTIONS,,[define if the Boost::PROGRAM_OPTIONS library is available])
BN=boost_program_options
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_PROGRAM_OPTIONS_LIB="-l$ax_lib" AC_SUBST(BOOST_PROGRAM_OPTIONS_LIB) link_program_options="yes" break],
[link_program_options="no"])
done
if test "x$link_program_options="no"" = "xno"; then
AC_MSG_NOTICE(Could not link against $ax_lib !)
fi
fi
AC_CACHE_CHECK(whether the Boost::Thread library is available,
ax_cv_boost_thread,
[AC_LANG_PUSH([C++])
CXXFLAGS_SAVE=$CXXFLAGS
if test "x$build_os" = "xsolaris" ; then
CXXFLAGS="-pthreads $CXXFLAGS"
elif test "x$build_os" = "xming32" ; then
CXXFLAGS="-mthreads $CXXFLAGS"
else
CXXFLAGS="-pthread $CXXFLAGS"
fi
AC_COMPILE_IFELSE(AC_LANG_PROGRAM([[@%:@include <boost/thread/thread.hpp>]],
[[boost::thread_group thrds;
return 0;]]),
ax_cv_boost_thread=yes, ax_cv_boost_thread=no)
CXXFLAGS=$CXXFLAGS_SAVE
AC_LANG_POP([C++])
])
if test "x$ax_cv_boost_thread" = "xyes"; then
if test "x$build_os" = "xsolaris" ; then
BOOST_CPPFLAGS="-pthreads $BOOST_CPPFLAGS"
elif test "x$build_os" = "xming32" ; then
BOOST_CPPFLAGS="-mthreads $BOOST_CPPFLAGS"
else
BOOST_CPPFLAGS="-pthread $BOOST_CPPFLAGS"
fi
AC_SUBST(BOOST_CPPFLAGS)
AC_DEFINE(HAVE_BOOST_THREAD,,[define if the Boost::THREAD library is available])
BN=boost_thread
for ax_lib in $BN $BN-mt $BN-$CC $BN-$CC-mt $BN-$CC-mt-s $BN-$CC-s \
lib$BN lib$BN-mt 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_THREAD_LIB="-l$ax_lib" AC_SUBST(BOOST_THREAD_LIB) link_thread="yes" break],
[link_thread="no"])
done
if test "x$link_thread" = "xno"; then
AC_MSG_NOTICE(Could not link against $ax_lib !)
fi
fi
AC_CACHE_CHECK(whether the Boost::IOStreams library is available,
ax_cv_boost_iostreams,
[AC_LANG_PUSH([C++])
AC_COMPILE_IFELSE(AC_LANG_PROGRAM([[@%:@include <boost/iostreams/filtering_stream.hpp>
@%:@include <boost/range/iterator_range.hpp>
]],
[[std::string input = "Hello World!";
namespace io = boost::iostreams;
io::filtering_istream in(boost::make_iterator_range(input));
return 0;
]]),
ax_cv_boost_iostreams=yes, ax_cv_boost_iostreams=no)
AC_LANG_POP([C++])
])
if test "x$ax_cv_boost_iostreams" = "xyes"; then
AC_DEFINE(HAVE_BOOST_IOSTREAMS,,[define if the Boost::IOStreams library is available])
BN=boost_iostreams
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_IOSTREAMS_LIB="-l$ax_lib" AC_SUBST(BOOST_IOSTREAMS_LIB) link_thread="yes" break],
[link_thread="no"])
done
if test "x$link_thread" = "xno"; then
AC_MSG_NOTICE(Could not link against $ax_lib !)
fi
fi
AC_CACHE_CHECK(whether the Boost::Serialization library is available,
ax_cv_boost_serialization,
[AC_LANG_PUSH([C++])
AC_COMPILE_IFELSE(AC_LANG_PROGRAM([[@%:@include <fstream>
@%:@include <boost/archive/text_oarchive.hpp>
@%:@include <boost/archive/text_iarchive.hpp>
]],
[[std::ofstream ofs("filename");
boost::archive::text_oarchive oa(ofs);
return 0;
]]),
ax_cv_boost_serialization=yes, ax_cv_boost_serialization=no)
AC_LANG_POP([C++])
])
if test "x$ax_cv_boost_serialization" = "xyes"; then
AC_DEFINE(HAVE_BOOST_SERIALIZATION,,[define if the Boost::Serialization library is available])
BN=boost_serialization
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_SERIALIZATION_LIB="-l$ax_lib" AC_SUBST(BOOST_SERIALIZATION_LIB) link_serialization="yes" break],
[link_serialization="no"])
done
if test "x$link_serialization" = "xno"; then
AC_MSG_NOTICE(Could not link against $ax_lib !)
fi
BN=boost_wserialization
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_WSERIALIZATION_LIB="-l$ax_lib" AC_SUBST(BOOST_WSERIALIZATION_LIB) link_wserialization="yes" break],
[link_wserialization="no"])
done
if test "x$link_wserialization" = "xno"; then
AC_MSG_NOTICE(Could not link against $ax_lib !)
fi
fi
AC_CACHE_CHECK(whether the Boost::Signals library is available,
ax_cv_boost_signals,
[AC_LANG_PUSH([C++])
AC_COMPILE_IFELSE(AC_LANG_PROGRAM([[@%:@include <boost/signal.hpp>
]],
[[boost::signal<void ()> sig;
return 0;
]]),
ax_cv_boost_signals=yes, ax_cv_boost_signals=no)
AC_LANG_POP([C++])
])
if test "x$ax_cv_boost_signals" = "xyes"; then
AC_DEFINE(HAVE_BOOST_SIGNALS,,[define if the Boost::Signals library is available])
BN=boost_signals
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$ax_lib" AC_SUBST(BOOST_SIGNALS_LIB) link_signals="yes" break],
[link_signals="no"])
done
if test "x$link_signals" = "xno"; then
AC_MSG_NOTICE(Could not link against $ax_lib !)
fi
fi
AC_CACHE_CHECK(whether the Boost::Date_Time library is available,
ax_cv_boost_date_time,
[AC_LANG_PUSH([C++])
AC_COMPILE_IFELSE(AC_LANG_PROGRAM([[@%:@include <boost/date_time/gregorian/gregorian_types.hpp>
]],
[[using namespace boost::gregorian; date d(2002,Jan,10);
return 0;
]]),
ax_cv_boost_date_time=yes, ax_cv_boost_date_time=no)
AC_LANG_POP([C++])
])
if test "x$ax_cv_boost_date_time" = "xyes"; then
AC_DEFINE(HAVE_BOOST_DATE_TIME,,[define if the Boost::Date_Time library is available])
BN=boost_date_time
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_DATE_TIME_LIB="-l$ax_lib" AC_SUBST(BOOST_DATE_TIME_LIB) link_thread="yes" break],
[link_thread="no"])
done
if test "x$link_thread"="no" = "xno"; then
AC_MSG_NOTICE(Could not link against $ax_lib !)
fi
fi
AC_CACHE_CHECK(whether the Boost::Regex library is available,
ax_cv_boost_regex,
[AC_LANG_PUSH([C++])
AC_COMPILE_IFELSE(AC_LANG_PROGRAM([[@%:@include <boost/regex.hpp>
]],
[[boost::regex r(); return 0;]]),
ax_cv_boost_regex=yes, ax_cv_boost_regex=no)
AC_LANG_POP([C++])
])
if test "x$ax_cv_boost_regex" = "xyes"; then
AC_DEFINE(HAVE_BOOST_REGEX,,[define if the Boost::Regex library is available])
BN=boost_regex
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_REGEX_LIB="-l$ax_lib" AC_SUBST(BOOST_REGEX_LIB) link_regex="yes" break],
[link_regex="no"])
done
if test "x$link_regex" = "xno"; then
AC_MSG_NOTICE(Could not link against $ax_lib !)
fi
fi
AC_CACHE_CHECK(whether the Boost::UnitTestFramework library is available,
ax_cv_boost_unit_test_framework,
[AC_LANG_PUSH([C++])
AC_COMPILE_IFELSE(AC_LANG_PROGRAM([[@%:@include <boost/test/unit_test.hpp>]],
[[using boost::unit_test::test_suite;
test_suite* test= BOOST_TEST_SUITE( "Unit test example 1" ); return 0;]]),
ax_cv_boost_unit_test_framework=yes, ax_cv_boost_unit_test_framework=no)
AC_LANG_POP([C++])
])
if test "x$ax_cv_boost_unit_test_framework" = "xyes"; then
AC_DEFINE(HAVE_BOOST_UNIT_TEST_FRAMEWORK,,[define if the Boost::Unit_test_framework library is available])
BN=boost_unit_test_framework
saved_ldflags="${LDFLAGS}"
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 $BN-mgw-s ; do
LDFLAGS="${LDFLAGS} -l$ax_lib"
AC_CACHE_CHECK(the name of the Boost::UnitTestFramework library,
ax_cv_boost_unit_test_framework_link,
[AC_LANG_PUSH([C++])
AC_LINK_IFELSE([AC_LANG_PROGRAM([[@%:@include <boost/test/unit_test.hpp>
using boost::unit_test::test_suite;
test_suite* init_unit_test_suite( int argc, char * argv[] ) {
test_suite* test= BOOST_TEST_SUITE( "Unit test example 1" );
return test;
}
]],
[[ return 0;]])],
link_unit_test_framework="yes",link_unit_test_framework="no")
AC_LANG_POP([C++])
])
LDFLAGS="${saved_ldflags}"
if test "x$link_unit_test_framework" = "xyes"; then
BOOST_UNIT_TEST_FRAMEWORK_LIB="-l$ax_lib"
AC_SUBST(BOOST_UNIT_TEST_FRAMEWORK_LIB)
break
fi
done
if test "x$link_unit_test_framework" = "xno"; then
AC_MSG_NOTICE(Could not link against $ax_lib !)
fi
fi
fi
CPPFLAGS="$CPPFLAGS_SAVED"
LDFLAGS="$LDFLAGS_SAVED"
fi
])