@@ -282,10 +282,14 @@
 
 AC_CHECK_FUNC(objc_enumerationMutation, [
 	AC_DEFINE(HAVE_OBJC_ENUMERATIONMUTATION, 1,
 		[Whether we have objc_enumerationMutation])
 ])
+
+AC_CHECK_FUNC(objc_autoreleasePoolPush, [], [
+	AC_SUBST(AUTORELEASE_M, "autorelease.m")
+])
 
 case "$host_os" in
 	darwin*)
 		AC_SUBST(LDFLAGS_REEXPORT, ["-Wl,-reexport-lobjfw"])
 		AS_IF([test x"$objc_runtime" = x"Apple runtime"], [