@@ -207,10 +207,11 @@
 			], [
 			AC_MSG_RESULT(yes, with -march=i486)
 			atomic_ops="gcc builtins (with -march=i486)"
 			AC_DEFINE(OF_HAVE_GCC_ATOMIC_OPS, 1,
 				[Whether gcc atomic operations are available])
+			AC_SUBST(ATOMIC_OBJCFLAGS, "-march=i486")
 			], [
 			AC_MSG_RESULT(no)
 			OBJCFLAGS="$old_OBJCFLAGS"])])
 
 	if test x"$atomic_ops" = x"none"; then