Makefile.am (IFUNC_OPTIONS): Change aarch64 option from -march=armv8.1-a to -march...

[thirdparty/gcc.git] / libatomic / configure.ac

diff --git a/libatomic/configure.ac b/libatomic/configure.ac
index 6b11f21a03eb15d258f0c955b42865aac335b282..cee01985a15ff5d633e23cf28b2fa9a4c93a495c 100644 (file)
--- a/libatomic/configure.ac
+++ b/libatomic/configure.ac
@@ -157,6 +157,12 @@ AC_MSG_CHECKING([for thread model used by GCC])
 target_thread_file=`$CC -v 2>&1 | sed -n 's/^Thread model: //p'`
 AC_MSG_RESULT([$target_thread_file])
 
+case "$target" in
+ *aarch64*)
+    ACX_PROG_CC_WARNING_OPTS([-march=armv8-a+lse],[enable_aarch64_lse])
+    ;;
+esac
+
 # Get target configury.
 . ${srcdir}/configure.tgt
 if test -n "$UNSUPPORTED"; then