Index: configure.ac
==================================================================
--- configure.ac
+++ configure.ac
@@ -250,10 +250,14 @@
 			dnl files, but not for assembly files.
 			mips*-*-*)
 				flag="-integrated-as"
 				OBJCFLAGS="$OBJCFLAGS $flag"
 				OBJFW_OBJCFLAGS="$OBJFW_OBJCFLAGS $flag"
+				;;
+			dnl Many older Clang versions don't support jmp short.
+			i?86-*-* | x86_64-*-*)
+				ASFLAGS="$ASFLAGS -no-integrated-as"
 				;;
 			dnl Clang's assembler on Windows is not complete yet
 			dnl and cannot compile all .S files.
 			*-*-mingw*)
 				ASFLAGS="$ASFLAGS -no-integrated-as"