From patchwork Fri Sep 18 19:49:35 2009 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Morton X-Patchwork-Id: 48628 Received: from vger.kernel.org (vger.kernel.org [209.132.176.167]) by demeter.kernel.org (8.14.2/8.14.2) with ESMTP id n8IJttlj005513 for ; Fri, 18 Sep 2009 19:55:56 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753975AbZIRTzh (ORCPT ); Fri, 18 Sep 2009 15:55:37 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754161AbZIRTzh (ORCPT ); Fri, 18 Sep 2009 15:55:37 -0400 Received: from smtp1.linux-foundation.org ([140.211.169.13]:35239 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753975AbZIRTzg (ORCPT ); Fri, 18 Sep 2009 15:55:36 -0400 Received: from imap1.linux-foundation.org (imap1.linux-foundation.org [140.211.169.55]) by smtp1.linux-foundation.org (8.14.2/8.13.5/Debian-3ubuntu1.1) with ESMTP id n8IJpwwq008458 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Fri, 18 Sep 2009 12:55:14 -0700 Received: from localhost.localdomain (localhost [127.0.0.1]) by imap1.linux-foundation.org (8.13.5.20060308/8.13.5/Debian-3ubuntu1.1) with ESMTP id n8IJnZ7g019298; Fri, 18 Sep 2009 12:49:35 -0700 Message-Id: <200909181949.n8IJnZ7g019298@imap1.linux-foundation.org> Subject: [patch 15/18] kbuild: check if linker supports the -X option To: sam@ravnborg.org Cc: linux-kbuild@vger.kernel.org, akpm@linux-foundation.org, andi@firstfloor.org, ak@linux.intel.com From: akpm@linux-foundation.org Date: Fri, 18 Sep 2009 12:49:35 -0700 MIME-Version: 1.0 X-Spam-Status: No, hits=-3.463 required=5 tests=AWL, BAYES_00, OSDL_HEADER_SUBJECT_BRACKETED, OSDL_NIGERIAN_GOLD X-Spam-Checker-Version: SpamAssassin 3.2.4-osdl_revision__1.47__ X-MIMEDefang-Filter: lf$Revision: 1.188 $ X-Scanned-By: MIMEDefang 2.63 on 140.211.169.13 Sender: linux-kbuild-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kbuild@vger.kernel.org From: Andi Kleen The new alternative `gold' linker in recent binutils doesn't support the -X option. This breaks allyesconfig builds that have CONFIG_STRIP_ASM_SYMS enabled. Check if the linker really supports the option using ld-option. Signed-off-by: Andi Kleen Cc: Sam Ravnborg Signed-off-by: Andrew Morton --- Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff -puN Makefile~kbuild-check-if-linker-supports-the-x-option Makefile --- a/Makefile~kbuild-check-if-linker-supports-the-x-option +++ a/Makefile @@ -598,7 +598,7 @@ LDFLAGS_MODULE += $(LDFLAGS_BUILD_ID) LDFLAGS_vmlinux += $(LDFLAGS_BUILD_ID) ifeq ($(CONFIG_STRIP_ASM_SYMS),y) -LDFLAGS_vmlinux += -X +LDFLAGS_vmlinux += $(call ld-option, -X,) endif # Default kernel image to build when no specific target is given.