From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754833AbcCNRyw (ORCPT ); Mon, 14 Mar 2016 13:54:52 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:43792 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754068AbcCNRyR (ORCPT ); Mon, 14 Mar 2016 13:54:17 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Geert Uytterhoeven , James Hogan , "Michael S. Tsirkin" , Sudip Mukherjee , Michal Marek , Andi Kleen , linux-mips@linux-mips.org, linux-kbuild@vger.kernel.org, Ralf Baechle Subject: [PATCH 4.4 50/50] ld-version: Fix awk regex compile failure Date: Mon, 14 Mar 2016 10:51:08 -0700 Message-Id: <20160314175020.516966872@linuxfoundation.org> X-Mailer: git-send-email 2.7.2 In-Reply-To: <20160314175013.403628835@linuxfoundation.org> References: <20160314175013.403628835@linuxfoundation.org> User-Agent: quilt/0.64 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 4.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: James Hogan commit 4b7b1ef2c2f83d702272555e8adb839a50ba0f8e upstream. The ld-version.sh script fails on some versions of awk with the following error, resulting in build failures for MIPS: awk: scripts/ld-version.sh: line 4: regular expression compile failed (missing '(') This is due to the regular expression ".*)", meant to strip off the beginning of the ld version string up to the close bracket, however brackets have a meaning in regular expressions, so lets escape it so that awk doesn't expect a corresponding open bracket. Fixes: ccbef1674a15 ("Kbuild, lto: add ld-version and ld-ifversion ...") Reported-by: Geert Uytterhoeven Signed-off-by: James Hogan Tested-by: Michael S. Tsirkin Acked-by: Michael S. Tsirkin Tested-by: Sudip Mukherjee Cc: Michal Marek Cc: Andi Kleen Cc: Geert Uytterhoeven Cc: linux-mips@linux-mips.org Cc: linux-kbuild@vger.kernel.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/12838/ Signed-off-by: Ralf Baechle Signed-off-by: Greg Kroah-Hartman --- scripts/ld-version.sh | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/scripts/ld-version.sh +++ b/scripts/ld-version.sh @@ -1,7 +1,7 @@ #!/usr/bin/awk -f # extract linker version number from stdin and turn into single number { - gsub(".*)", ""); + gsub(".*\\)", ""); split($1,a, "."); print a[1]*10000000 + a[2]*100000 + a[3]*10000 + a[4]*100 + a[5]; exit