X-Git-Url: http://wien.tomnetworks.com/gitweb/?a=blobdiff_plain;f=m4%2Fthreads.m4;h=c123401d305abd9d3ba810fb6174795e7165d6b3;hb=4a6cefba48d8720b9e33f2e89823b8ed7fa0b78d;hp=9b2e404a01323f7365115dfc2e653e31a9f56ac8;hpb=0c9f9b2db46962c8255d4ac9de41ef2fae104659;p=cacao.git diff --git a/m4/threads.m4 b/m4/threads.m4 index 9b2e404a0..c123401d3 100644 --- a/m4/threads.m4 +++ b/m4/threads.m4 @@ -21,8 +21,6 @@ dnl You should have received a copy of the GNU General Public License dnl along with this program; if not, write to the Free Software dnl Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA dnl 02110-1301, USA. -dnl -dnl $Id: configure.ac 7228 2007-01-19 01:13:48Z edwin $ dnl check which thread implementation should be used @@ -59,10 +57,11 @@ case "${ENABLE_THREADS}" in AC_DEFINE([ENABLE_THREADS], 1, [enable threads]) AC_CHECK_LIB(pthread, main) - ARCH_CFLAGS="$ARCH_CFLAGS -D_REENTRANT" + OS_FLAGS="$OS_FLAGS -D_REENTRANT" - dnl we changed ARCH_CFLAGS, set CFLAGS again - CFLAGS="$ARCH_CFLAGS $OPT_CFLAGS" + dnl We changed OS_FLAGS, set CFLAGS again. + CFLAGS="$OPT_CFLAGS $ARCH_FLAGS $OS_FLAGS $CC_FLAGS" + CXXFLAGS="$OPT_CXXFLAGS $ARCH_FLAGS $OS_FLAGS $CXX_FLAGS" dnl tell boehm to support threads as well ac_configure_args="$ac_configure_args --enable-boehm-threads=posix" @@ -71,25 +70,25 @@ esac ]) -dnl currently NOT USED +AC_DEFUN([AC_CHECK_USE___THREAD],[ +AC_ARG_ENABLE([__thread], [AS_HELP_STRING(--enable-__thread,use TLS features [[default=yes]])], [use__thread=$enableval], [use__thread=yes]) -dnl AC_ARG_ENABLE([__thread], [AS_HELP_STRING(--enable-__thread,use TLS features)], [use__thread=$enableval], [use__thread=no]) -dnl -dnl dnl Check whether the compiler supports the __thread keyword. -dnl if test "x$use__thread" != xno; then -dnl AC_CACHE_CHECK([for __thread], ac_cv_gcc___thread, -dnl [cat > conftest.c <<\EOF -dnl __thread int a = 42; -dnl EOF -dnl if AC_TRY_COMMAND([${CC-cc} $ARCH_CFLAGS $OPT_CFLAGS -c conftest.c >&AS_MESSAGE_LOG_FD]); then -dnl ac_cv_gcc___thread=yes -dnl else -dnl ac_cv_gcc___thread=no -dnl fi -dnl rm -f conftest*]) -dnl if test "$ac_cv_gcc___thread" = yes; then -dnl AC_DEFINE([HAVE___THREAD], 1, [have __thread]) -dnl fi -dnl else -dnl ac_cv_gcc___thread=no -dnl fi +dnl Check whether the compiler supports the __thread keyword. +if test "x$use__thread" != xno; then + AC_CACHE_CHECK([for __thread], ac_cv_gcc___thread, + [cat > conftest.c <<\EOF +__thread int a = 42; +EOF + if AC_TRY_COMMAND([${CC-cc} $ARCH_CFLAGS $OPT_CFLAGS -c conftest.c >&AS_MESSAGE_LOG_FD]); then + ac_cv_gcc___thread=yes + else + ac_cv_gcc___thread=no + fi + rm -f conftest*]) + if test "$ac_cv_gcc___thread" = yes; then + AC_DEFINE([HAVE___THREAD], 1, [have __thread]) + fi +else + ac_cv_gcc___thread=no +fi +])