diff options
Diffstat (limited to 'libmudflap/configure')
| -rwxr-xr-x | libmudflap/configure | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/libmudflap/configure b/libmudflap/configure index ad10a2c238d..758ac8f0a30 100755 --- a/libmudflap/configure +++ b/libmudflap/configure @@ -13028,6 +13028,37 @@ _ACEOF fi + echo "$as_me:$LINENO: checking whether the thread-local storage support is from emutls" >&5 +echo $ECHO_N "checking whether the thread-local storage support is from emutls... $ECHO_C" >&6 +if test "${gcc_cv_use_emutls+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + + gcc_cv_use_emutls=no + echo '__thread int a; int b; int main() { return a = b; }' > conftest.c + if { ac_try='${CC-cc} -Werror -S -o conftest.s conftest.c 1>&5' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + if grep __emutls_get_address conftest.s > /dev/null; then + gcc_cv_use_emutls=yes + fi + fi + rm -f conftest.* + +fi +echo "$as_me:$LINENO: result: $gcc_cv_use_emutls" >&5 +echo "${ECHO_T}$gcc_cv_use_emutls" >&6 + if test "$gcc_cv_use_emutls" = "yes" ; then + +cat >>confdefs.h <<\_ACEOF +#define USE_EMUTLS 1 +_ACEOF + + fi + ac_config_files="$ac_config_files Makefile testsuite/Makefile testsuite/mfconfig.exp" cat >confcache <<\_ACEOF |