From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761127AbXGQOJo (ORCPT ); Tue, 17 Jul 2007 10:09:44 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754600AbXGQOHw (ORCPT ); Tue, 17 Jul 2007 10:07:52 -0400 Received: from pasmtpb.tele.dk ([80.160.77.98]:35910 "EHLO pasmtpB.tele.dk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760772AbXGQOHt (ORCPT ); Tue, 17 Jul 2007 10:07:49 -0400 From: Sam Ravnborg To: linux-kernel@vger.kernel.org Cc: Sam Ravnborg Subject: [PATCH 04/33] kbuild: document cc-fullversion Date: Tue, 17 Jul 2007 16:08:33 +0200 Message-Id: <11846813433593-git-send-email-sam@ravnborg.org> X-Mailer: git-send-email 1.5.0.6 In-Reply-To: <1184681343138-git-send-email-sam@ravnborg.org> References: 20070717140622.GA25846@uranus.ravnborg.org <11846813423231-git-send-email-sam@ravnborg.org> <11846813432423-git-send-email-sam@ravnborg.org> <1184681343138-git-send-email-sam@ravnborg.org> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org 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..e08ef87 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 useful 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 + to the user why it stops. === 4 Host Program support -- 1.5.0.6