Re: [PATCH tip/perf/core] tools lib traceevent: Fix python/perf.so compiling error

From: Jiri Olsa
Date: Fri Jun 12 2015 - 17:36:16 EST


On Fri, Jun 12, 2015 at 03:17:11AM +0000, Wang Nan wrote:
> 'make build-test' finds an error that make_python_perf_so fails due to
> missing of libtraceevent-dynamic-list:
>
> '.../python2' util/setup.py \
> --quiet build_ext; \
> mkdir -p python && \
> cp python_ext_build/lib/perf.so python/
> /path/to/ld: cannot open linker script file /path/to/kernel/tools/lib/traceevent/libtraceevent-dynamic-list: No such file or directory
> collect2: error: ld returned 1 exit status
> error: command 'x86_64-linux-gcc' failed with exit status 1
> cp: cannot stat 'python_ext_build/lib/perf.so': No such file or directory
> make[3]: *** [python/perf.so] Error 1
> make[2]: *** [python/perf.so] Error 2
> test: test -f ./python/perf.so
> make[1]: *** [make_python_perf_so] Error 1
> make: *** [build-test] Error 2
> make: Leaving directory `/path/to/kernel/tools/perf'
>
> This is caused by commit e3d09ec8126fe2c9a3ade661e2126e215ca27a80
> ("tools lib traceevent: Export dynamic symbols used by traceevent
> plugins") that, it adds the list file to LDFLAGS but forgot to add it
> to dependency list of python/perf.so.
>
> This patch fixes this problem.
>
> Signed-off-by: Wang Nan <wangnan0@xxxxxxxxxx>

Acked-by: Jiri Olsa <jolsa@xxxxxxxxxx>

thanks,
jirka
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