From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S966265AbcIZHaT (ORCPT ); Mon, 26 Sep 2016 03:30:19 -0400 Received: from szxga02-in.huawei.com ([119.145.14.65]:16005 "EHLO szxga02-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1161086AbcIZH2Y (ORCPT ); Mon, 26 Sep 2016 03:28:24 -0400 From: Wang Nan To: , CC: , , , Wang Nan , Arnaldo Carvalho de Melo , Alexei Starovoitov , He Kuang , Jiri Olsa Subject: [PATCH v2 18/18] perf clang: Define PERF_BUILTIN_CLANG for builtin clang compiling Date: Mon, 26 Sep 2016 07:27:12 +0000 Message-ID: <1474874832-134786-19-git-send-email-wangnan0@huawei.com> X-Mailer: git-send-email 1.8.3.4 In-Reply-To: <1474874832-134786-1-git-send-email-wangnan0@huawei.com> References: <1474874832-134786-1-git-send-email-wangnan0@huawei.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.107.193.248] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A0B0208.57E8CDFD.017F,ss=1,re=0.000,recu=0.000,reip=0.000,cl=1,cld=1,fgs=0, ip=0.0.0.0, so=2013-06-18 04:22:30, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: 444008734b66aab429f78f86430c9e0c Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org By this macro BPF script knows what compiler it is being built with. Scripts prefer external clang can force fall back to it by: #ifdef PERF_BUILTIN_CLANG # error I prefer external clang compiler #endif Signed-off-by: Wang Nan Cc: Arnaldo Carvalho de Melo Cc: Alexei Starovoitov Cc: He Kuang Cc: Jiri Olsa --- tools/perf/util/c++/clang.cpp | 1 + 1 file changed, 1 insertion(+) diff --git a/tools/perf/util/c++/clang.cpp b/tools/perf/util/c++/clang.cpp index a2de788..dd32f5d 100644 --- a/tools/perf/util/c++/clang.cpp +++ b/tools/perf/util/c++/clang.cpp @@ -62,6 +62,7 @@ createCompilerInvocation(llvm::opt::ArgStringList CFlags, StringRef& Path, "-vectorize-slp", "-Wno-unused-value", "-Wno-pointer-sign", + "-DPERF_BUILTIN_CLANG=1" "-x", "c"}; CCArgs.append(CFlags.begin(), CFlags.end()); -- 1.8.3.4