diff --git a/configure.ac b/configure.ac
index dc7afb28..f5bc0336 100644
--- a/configure.ac
+++ b/configure.ac
@@ -203,7 +203,10 @@ AX_CHECK_COMPILE_FLAG([-fvisibility=hidden],
   [CFLAGS="$CFLAGS -fvisibility=hidden"])
 
 AX_CHECK_COMPILE_FLAG([-mfunction-return=thunk -mindirect-branch=thunk],
-  [CFLAGS="$CFLAGS -mfunction-return=thunk -mindirect-branch=thunk"])
+  [CFLAGS="$CFLAGS -mfunction-return=thunk -mindirect-branch=thunk"],
+  [
+    AX_CHECK_COMPILE_FLAG([-mretpoline], [CFLAGS="$CFLAGS -mretpoline"])
+  ])
 
 AS_CASE([$host_os], [cygwin*|mingw*|msys|pw32*|cegcc*], [ ], [
   AX_CHECK_COMPILE_FLAG([-fPIC], [CFLAGS="$CFLAGS -fPIC"])