From: Wang Nan <wangnan0@huawei.com>
To: <acme@kernel.org>, <jolsa@kernel.org>
Cc: <namhyung@kernel.or>, <lizefan@huawei.com>, <pi3orama@163.com>,
<linux-kernel@vger.kernel.org>, Wang Nan <wangnan0@huawei.com>,
Namhyung Kim <namhyung@kernel.org>
Subject: [PATCH 1/6] perf tools: Add -lutil in python lib list for broken python-config
Date: Fri, 8 Jan 2016 14:23:56 +0000 [thread overview]
Message-ID: <1452263041-225488-2-git-send-email-wangnan0@huawei.com> (raw)
In-Reply-To: <1452263041-225488-1-git-send-email-wangnan0@huawei.com>
On some system the perf-config is broken, causes link failure like this:
/usr/lib64/python2.7/config/libpython2.7.a(posixmodule.o): In function `posix_forkpty':
/opt/wangnan/yocto-build/tmp-eglibc/work/x86_64-oe-linux/python/2.7.3-r0.3.1/Python-2.7.3/./Modules/posixmodule.c:3816: undefined reference to `forkpty'
/usr/lib64/python2.7/config/libpython2.7.a(posixmodule.o): In function `posix_openpty':
/opt/wangnan/yocto-build/tmp-eglibc/work/x86_64-oe-linux/python/2.7.3-r0.3.1/Python-2.7.3/./Modules/posixmodule.c:3756: undefined reference to `openpty'
collect2: error: ld returned 1 exit status
make[1]: *** [/home/wangnan/kernel-hydrogen/tools/perf/out/perf] Error 1
make: *** [all] Error 2
$ python-config --libs
-lpthread -ldl -lpthread -lutil -lm -lpython2.7
In this case a '-lutil' should be appended to -lpython2.7.
(I know we have --start-group and --end-group. I can see them in
command line of collect2 by strace. However it doesn't work. Seems
I have a broken environment?)
Signed-off-by: Wang Nan <wangnan0@huawei.com>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
---
tools/perf/config/Makefile | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile
index 18b2f96..603ddb4 100644
--- a/tools/perf/config/Makefile
+++ b/tools/perf/config/Makefile
@@ -493,7 +493,7 @@ else
PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
- PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS))
+ PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --cflags 2>/dev/null)
FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
--
1.8.3.4
next prev parent reply other threads:[~2016-01-08 14:24 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-08 14:23 [PATCH 0/6] perf tools: Improve 'make build-test' Wang Nan
2016-01-08 14:23 ` Wang Nan [this message]
2016-01-11 9:28 ` [PATCH 1/6] perf tools: Add -lutil in python lib list for broken python-config Jiri Olsa
2016-01-11 9:44 ` Wangnan (F)
2016-01-11 9:50 ` Wangnan (F)
2016-01-12 9:41 ` Jiri Olsa
2016-01-08 14:23 ` [PATCH 2/6] perf tools: Add missing headers in perf's MANIFEST Wang Nan
2016-01-09 16:37 ` [tip:perf/core] perf tools: Add missing headers in perf' s MANIFEST tip-bot for Wang Nan
2016-01-11 9:43 ` [PATCH] perf tools: Add missing sources in perf's MANIFEST Jiri Olsa
2016-01-11 9:46 ` Wangnan (F)
2016-01-11 14:12 ` Arnaldo Carvalho de Melo
2016-01-08 14:23 ` [PATCH 3/6] perf tools: Fix phony build target for build-test Wang Nan
2016-01-11 9:29 ` Jiri Olsa
2016-01-08 14:23 ` [PATCH 4/6] perf tools: Set parallel making options build-test Wang Nan
2016-01-11 9:38 ` Jiri Olsa
2016-01-08 14:24 ` [PATCH 5/6] perf tools: Pass O option to Makefile.perf in build-test Wang Nan
2016-01-08 14:24 ` [PATCH 6/6] perf tools: Test correct path of perf " Wang Nan
2016-01-08 14:32 ` [PATCH 0/6] perf tools: Improve 'make build-test' Arnaldo Carvalho de Melo
2016-01-11 2:55 ` Wangnan (F)
2016-01-11 8:46 ` Jiri Olsa
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