[tip:perf/core] tools: Suppress request for warning options not existent in clang

From	tip-bot for Arnaldo Carvalho de Melo <tipbot@zytor.com>
Newsgroups	linux.kernel
Subject	[tip:perf/core] tools: Suppress request for warning options not existent in clang
Date	2017-02-16 21:10 +0100
Message-ID	<tbAxl-2RL-45@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

Show all headers | View raw

Commit-ID:  093b75ef5995ea35d7f6bdb6c7b32a42a1999813
Gitweb:     http://git.kernel.org/tip/093b75ef5995ea35d7f6bdb6c7b32a42a1999813
Author:     Arnaldo Carvalho de Melo <acme@redhat.com>
AuthorDate: Tue, 14 Feb 2017 10:34:35 -0300
Committer:  Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Tue, 14 Feb 2017 10:34:35 -0300

tools: Suppress request for warning options not existent in clang

To allow building with clang, avoiding:

  error: unknown warning option '-Wstrict-aliasing=3'; did you mean '-Wstring-plus-int'? [-Werror,-Wunknown-warning-option]

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-xvthlvmhzfnt7jx73jgmaea1@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/scripts/Makefile.include | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/tools/scripts/Makefile.include b/tools/scripts/Makefile.include
index 19edc1a..621578a 100644
--- a/tools/scripts/Makefile.include
+++ b/tools/scripts/Makefile.include
@@ -32,7 +32,6 @@ EXTRA_WARNINGS += -Wold-style-definition
 EXTRA_WARNINGS += -Wpacked
 EXTRA_WARNINGS += -Wredundant-decls
 EXTRA_WARNINGS += -Wshadow
-EXTRA_WARNINGS += -Wstrict-aliasing=3
 EXTRA_WARNINGS += -Wstrict-prototypes
 EXTRA_WARNINGS += -Wswitch-default
 EXTRA_WARNINGS += -Wswitch-enum
@@ -40,6 +39,10 @@ EXTRA_WARNINGS += -Wundef
 EXTRA_WARNINGS += -Wwrite-strings
 EXTRA_WARNINGS += -Wformat
 
+ifneq ($(CC), clang)
+EXTRA_WARNINGS += -Wstrict-aliasing=3
+endif
+
 ifneq ($(findstring $(MAKEFLAGS), w),w)
 PRINT_DIR = --no-print-directory
 else

Back to linux.kernel | Previous | Next | Find similar | Unroll thread

Thread

[tip:perf/core] tools: Suppress request for warning options not  existent in clang tip-bot for Arnaldo Carvalho de Melo <tipbot@zytor.com> - 2017-02-16 21:10 +0100

csiph-web