From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751874AbXFCUpW (ORCPT ); Sun, 3 Jun 2007 16:45:22 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751181AbXFCUpE (ORCPT ); Sun, 3 Jun 2007 16:45:04 -0400 Received: from pasmtpb.tele.dk ([80.160.77.98]:55829 "EHLO pasmtpB.tele.dk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750987AbXFCUpC (ORCPT ); Sun, 3 Jun 2007 16:45:02 -0400 Date: Sun, 3 Jun 2007 22:46:03 +0200 From: Sam Ravnborg To: LKML , Andrew Morton , kbuild-devel@lists.sourceforge.net Subject: [PATCH 05/19] kbuild: document cc-fullversion Message-ID: <20070603204603.GE9240@uranus.ravnborg.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.4.2.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Subject: [PATCH 05/19] kbuild: document cc-fullversion From: Sam Ravnborg Date: Mon, 28 May 2007 22:26:55 +0200 Signed-off-by: Sam Ravnborg --- Documentation/kbuild/makefiles.txt | 14 ++++++++++++++ 1 files changed, 14 insertions(+), 0 deletions(-) diff --git a/Documentation/kbuild/makefiles.txt b/Documentation/kbuild/makefiles.txt index bb5306e..c6d9a35 100644 --- a/Documentation/kbuild/makefiles.txt +++ b/Documentation/kbuild/makefiles.txt @@ -501,6 +501,20 @@ more details, with real examples. The third parameter may be a text as in this example, but it may also be an expanded variable or a macro. + cc-fullversion + cc-fullversion is usefull when the exact version of gcc is needed. + One typical use-case is when a specific GCC version is broken. + cc-fullversion points out a more specific version than cc-version does. + + Example: + #arch/powerpc/Makefile + $(Q)if test "$(call cc-fullversion)" = "040200" ; then \ + echo -n '*** GCC-4.2.0 cannot compile the 64-bit powerpc ' ; \ + false ; \ + fi + + In this example for a specific GCC version the build will error out explaining + the user why it stops. === 4 Host Program support -- 1.5.1.rc3.1544.g8a923 ----- End forwarded message -----