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[PATCH 01/53] perf tools: Add -lutil in python lib list for broken python-config

From Wang Nan <wangnan0@huawei.com>
Newsgroups linux.kernel
Subject [PATCH 01/53] perf tools: Add -lutil in python lib list for broken python-config
Date 2016-01-11 15:00 +0100
Message-ID <qPLaO-38k-3@gated-at.bofh.it> (permalink)
References <qPL17-34y-5@gated-at.bofh.it>
Organization linux.* mail to news gateway

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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 254d06e..0793c76 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

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[PATCH 00/53] perf tools: Bugfix, BPF improvement and perf record flight record mode Wang Nan <wangnan0@huawei.com> - 2016-01-11 14:50 +0100
  [PATCH 44/53] perf tools: Automatically add new channel according to evlist Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:00 +0100
  [PATCH 01/53] perf tools: Add -lutil in python lib list for broken python-config Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:00 +0100
    Re: [PATCH 01/53] perf tools: Add -lutil in python lib list for  broken python-config Jiri Olsa <jolsa@redhat.com> - 2016-01-12 10:50 +0100
    [tip:perf/urgent] perf tools:   Add -lutil in python lib list for broken python-config tip-bot for Wang Nan <tipbot@zytor.com> - 2016-01-12 11:10 +0100
  [PATCH 09/53] perf: bpf: Fix build breakage due to libbpf Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:00 +0100
    [tip:perf/urgent] perf bpf: Fix build breakage due to libbpf "tip-bot for Naveen N. Rao" <tipbot@zytor.com> - 2016-01-12 11:20 +0100
  [PATCH 52/53] perf record: Toggle tailsize ring buffer for reading Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:00 +0100
  [PATCH 17/53] perf test: Improve bp_signal Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:00 +0100
    Re: [PATCH 17/53] perf test: Improve bp_signal Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-01-11 22:40 +0100
      Re: [PATCH 17/53] perf test: Improve bp_signal "Wangnan (F)" <wangnan0@huawei.com> - 2016-01-12 05:20 +0100
      Re: [PATCH 17/53] perf test: Improve bp_signal Jiri Olsa <jolsa@redhat.com> - 2016-01-12 10:30 +0100
        Re: [PATCH 17/53] perf test: Improve bp_signal Will Deacon <will.deacon@arm.com> - 2016-01-12 15:20 +0100
        Re: [PATCH 17/53] perf test: Improve bp_signal Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-01-12 15:20 +0100
  [PATCH 47/53] perf record: Don't read from and poll overwrite channel Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:00 +0100
  [PATCH 28/53] perf tools: Move timestamp creation to util Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:00 +0100
  [PATCH 39/53] perf record: Re-synthesize tracking events after output switching Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:00 +0100
  [PATCH 33/53] perf record: Introduce record__finish_output() to finish a perf.data Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:00 +0100
  [PATCH 46/53] perf tools: Squash overwrite setting into channel Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:00 +0100
  [PATCH 34/53] perf record: Use OPT_BOOLEAN_SET for buildid cache related options Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:00 +0100
  [PATCH 43/53] perf tools: Add evlist channel helpers Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:00 +0100
  [PATCH 51/53] perf record: Read from tailsize ring buffer Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:00 +0100
  [PATCH 42/53] perf record: Prevent reading invalid data in record__mmap_read Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:00 +0100
    Re: [PATCH 42/53] perf record: Prevent reading invalid data in  record__mmap_read Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> - 2016-01-11 15:30 +0100
      Re: [PATCH 42/53] perf record: Prevent reading invalid data in  record__mmap_read Arnaldo Carvalho de Melo <acme@redhat.com> - 2016-01-11 16:10 +0100
      Re: [PATCH 42/53] perf record: Prevent reading invalid data in  record__mmap_read Arnaldo Carvalho de Melo <acme@redhat.com> - 2016-01-11 16:10 +0100
  [PATCH 40/53] perf record: Generate tracking events for process forked by perf Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:00 +0100
  [PATCH 41/53] perf record: Ensure return non-zero rc when mmap fail Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:00 +0100
  [PATCH 49/53] perf tools: Consider TAILSIZE bit when caclulate is_pos Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:00 +0100
  [PATCH 31/53] perf tools: Add perf_data_file__switch() helper Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:00 +0100
  [PATCH 50/53] perf tools: Set tailsize attribut bit for overwrite events Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:00 +0100
  [PATCH 45/53] perf tools: Operate multiple channels Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:00 +0100
  [PATCH 30/53] perf record: Extract synthesize code to record__synthesize() Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:00 +0100
  [PATCH 07/53] tools: Move Makefile.arch from perf/config to tools/scripts Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:00 +0100
    Re: [PATCH 07/53] tools: Move Makefile.arch from perf/config to tools/scripts "Wangnan (F)" <wangnan0@huawei.com> - 2016-01-11 15:10 +0100
      Re: [PATCH 07/53] tools: Move Makefile.arch from perf/config to  tools/scripts Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-01-11 15:20 +0100
    [tip:perf/urgent] tools: Move Makefile.arch from perf/  config to tools/scripts tip-bot for Wang Nan <tipbot@zytor.com> - 2016-01-12 11:20 +0100
  [PATCH 53/53] perf record: Allow generate tracking events at the end of output Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:00 +0100
  [PATCH 48/53] perf tools: Enable overwrite settings Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:00 +0100
  [PATCH 11/53] perf test: Fix false TEST_OK result for 'perf test hist' Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:10 +0100
    Re: [PATCH 11/53] perf test: Fix false TEST_OK result for 'perf test  hist' Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> - 2016-01-11 15:30 +0100
      Re: [PATCH 11/53] perf test: Fix false TEST_OK result for 'perf test  hist' Arnaldo Carvalho de Melo <acme@redhat.com> - 2016-01-11 16:00 +0100
        Re: [PATCH 11/53] perf test: Fix false TEST_OK result for 'perf test  hist' Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-01-11 16:40 +0100
    [tip:perf/urgent] perf test: Fix false TEST_OK result for '  perf test hist' tip-bot for Wang Nan <tipbot@zytor.com> - 2016-01-12 11:20 +0100
  [PATCH 15/53] perf tools: Fix symbols searching for offline module in buildid-cache Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:10 +0100
  [PATCH 06/53] perf tools: Fix PowerPC native building Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:10 +0100
    [tip:perf/urgent] perf tools: Fix PowerPC native building tip-bot for Wang Nan <tipbot@zytor.com> - 2016-01-12 11:20 +0100
  [PATCH 23/53] perf tools: Support setting different slots in a BPF map separately Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:10 +0100
  [PATCH 02/53] perf tools: Fix phony build target for build-test Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:10 +0100
    [tip:perf/urgent] perf tools:   Fix phony build target for build-test tip-bot for Wang Nan <tipbot@zytor.com> - 2016-01-12 11:20 +0100
  [PATCH 19/53] perf tools: Enable BPF object configure syntax Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:10 +0100
  [PATCH 05/53] perf tools: Test correct path of perf in build-test Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:10 +0100
    Re: [PATCH 05/53] perf tools: Test correct path of perf in build-test Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-01-11 16:30 +0100
      Re: [PATCH 05/53] perf tools: Test correct path of perf in build-test Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-01-11 23:10 +0100
        Re: [PATCH 05/53] perf tools: Test correct path of perf in build-test Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-01-11 23:40 +0100
          Re: [PATCH 05/53] perf tools: Test correct path of perf in build-test Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-01-11 23:50 +0100
            Re: [PATCH 05/53] perf tools: Test correct path of perf in build-test "Wangnan (F)" <wangnan0@huawei.com> - 2016-01-12 08:20 +0100
              Re: [PATCH 05/53] perf tools: Test correct path of perf in build-test Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-01-12 15:10 +0100
  [PATCH 20/53] perf record: Apply config to BPF objects before recording Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:10 +0100
  [PATCH 14/53] perf test: Check environment before start real BPF test Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:10 +0100
    Re: [PATCH 14/53] perf test: Check environment before start real BPF  test Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-01-11 23:00 +0100
      Re: [PATCH 14/53] perf test: Check environment before start real  BPF test "Wangnan (F)" <wangnan0@huawei.com> - 2016-01-12 08:50 +0100
  [PATCH 26/53] perf data: Support converting data from bpf_perf_event_output() Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:10 +0100
  [PATCH 36/53] perf record: Split output into multiple files via '--switch-output' Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:10 +0100
  [PATCH 12/53] perf test: Reset err after using it hold errcode in hist testcases Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:10 +0100
    [tip:perf/urgent] perf test:   Reset err after using it hold errcode in hist testcases tip-bot for Wang Nan <tipbot@zytor.com> - 2016-01-12 11:20 +0100
  [PATCH 29/53] perf tools: Make ordered_events reusable Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:10 +0100
    Re: [PATCH 29/53] perf tools: Make ordered_events reusable Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-01-11 22:40 +0100
  [PATCH 04/53] perf tools: Pass O option to Makefile.perf in build-test Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:10 +0100
  [PATCH 32/53] perf record: Turns auxtrace_snapshot_enable into 3 states Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:10 +0100
  [PATCH 16/53] perf tools: Fix mmap2 event allocation in synthesize code Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:10 +0100
    Re: [PATCH 16/53] perf tools: Fix mmap2 event allocation in  synthesize code Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-01-11 22:10 +0100
      [PATCH 16/53 v2] perf tools: Fix mmap2 event allocation in synthesize code Wang Nan <wangnan0@huawei.com> - 2016-01-12 11:20 +0100
        RE: [PATCH 16/53 v2] perf tools: Fix mmap2 event allocation in  synthesize code 平松雅巳 / HIRAMATU，MASAMI   <masami.hiramatsu.pt@hitachi.com> - 2016-01-12 11:50 +0100
          Re: [PATCH 16/53 v2] perf tools: Fix mmap2 event allocation in synthesize  code "Wangnan (F)" <wangnan0@huawei.com> - 2016-01-12 12:00 +0100
            Re: [PATCH 16/53 v2] perf tools: Fix mmap2 event allocation in  synthesize code "acme@kernel.org" <acme@kernel.org> - 2016-01-12 15:30 +0100
              RE: [PATCH 16/53 v2] perf tools: Fix mmap2 event allocation in  synthesize code 平松雅巳 / HIRAMATU，MASAMI   <masami.hiramatsu.pt@hitachi.com> - 2016-01-13 01:50 +0100
        [tip:perf/urgent] perf tools:   Fix mmap2 event allocation in synthesize code tip-bot for Wang Nan <tipbot@zytor.com> - 2016-01-13 10:50 +0100
  [PATCH 08/53] perf tools: Add missing sources in perf's MANIFEST Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:10 +0100
  [PATCH 21/53] perf tools: Enable passing event to BPF object Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:10 +0100
  [PATCH 25/53] perf tools: Introduce bpf-output event Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:20 +0100
  [PATCH 18/53] perf tools: Add API to config maps in bpf object Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:20 +0100
  [PATCH 24/53] perf tools: Enable indices setting syntax for BPF maps Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:20 +0100
  [PATCH 22/53] perf tools: Support perf event alias name Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:20 +0100
  [PATCH 13/53] perf tools: Prevent calling machine__delete() on non-allocated machine Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:20 +0100
    Re: [PATCH 13/53] perf tools: Prevent calling machine__delete() on  non-allocated machine Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-01-11 16:50 +0100
      Re: [PATCH 13/53] perf tools: Prevent calling machine__delete() on  non-allocated machine "Wangnan (F)" <wangnan0@huawei.com> - 2016-01-12 08:10 +0100
        Re: [PATCH 13/53] perf tools: Prevent calling machine__delete() on  non-allocated machine Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-01-12 15:10 +0100
  [PATCH 10/53] tools build: Add BPF feature check to test-all Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:20 +0100
    [tip:perf/urgent] tools build: Add BPF feature check to test-all tip-bot for Wang Nan <tipbot@zytor.com> - 2016-01-12 11:20 +0100
  [PATCH 37/53] perf record: Force enable --timestamp-filename when --switch-output is provided Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:20 +0100
  [PATCH 03/53] perf tools: Set parallel making options build-test Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:20 +0100
  [PATCH 35/53] perf record: Add '--timestamp-filename' option to append timestamp to output filename Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:30 +0100
  [PATCH 38/53] perf record: Disable buildid cache options by default in switch output mode Wang Nan <wangnan0@huawei.com> - 2016-01-11 15:30 +0100

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