From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arnaldo Carvalho de Melo Subject: [PATCH 23/24] perf python: Remove -fstack-clash-protection when building with some clang versions Date: Mon, 21 Jan 2019 20:57:05 -0300 Message-ID: <20190121235706.20005-24-acme@kernel.org> References: <20190121235706.20005-1-acme@kernel.org> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20190121235706.20005-1-acme@kernel.org> Sender: linux-kernel-owner@vger.kernel.org To: Ingo Molnar Cc: Clark Williams , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Arnaldo Carvalho de Melo , Eduardo Habkost , Thiago Macieira , Adrian Hunter , Jiri Olsa , Namhyung Kim List-Id: linux-perf-users.vger.kernel.org From: Arnaldo Carvalho de Melo These options are not present in some (all?) clang versions, so when we build for a distro that has a gcc new enough to have these options and that the distro python build config settings use them but clang doesn't support, b00m. This is the case with fedora rawhide (now gearing towards f30), so check if clang has the and remove the missing ones from CFLAGS. Cc: Eduardo Habkost Cc: Thiago Macieira Cc: Adrian Hunter Cc: Jiri Olsa Cc: Namhyung Kim Link: https://lkml.kernel.org/n/tip-5q50q9w458yawgxf9ez54jbp@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/setup.py | 2 ++ 1 file changed, 2 insertions(+) diff --git a/tools/perf/util/setup.py b/tools/perf/util/setup.py index 63f758c655d5..64d1f36dee99 100644 --- a/tools/perf/util/setup.py +++ b/tools/perf/util/setup.py @@ -17,6 +17,8 @@ if cc == "clang": vars[var] = sub("-mcet", "", vars[var]) if not clang_has_option("-fcf-protection"): vars[var] = sub("-fcf-protection", "", vars[var]) + if not clang_has_option("-fstack-clash-protection"): + vars[var] = sub("-fstack-clash-protection", "", vars[var]) from distutils.core import setup, Extension -- 2.20.1