[Buildroot] [autobuild.buildroot.net] Build results for 2015-05-11

Yann E. MORIN yann.morin.1998 at free.fr
Sat May 16 23:11:45 UTC 2015


Samuel, Romain, All,

On 2015-05-12 08:30 +0200, Thomas Petazzoni spake thusly:
> Build statistics for 2015-05-11
>      powerpc |         gst1-plugins-bad-1.4.5 | NOK | http://autobuild.buildroot.net/results/c70f793c7c3b380428d6e2e622a90805cffc4dd1/

This failure is the same as the one I'm currently investigating:
    http://autobuild.buildroot.org/results/e03/e0392859a1943d1db2a5ee2f7fdf93764369d979/

The root cause (I think) is opencv.pc, which contains:

    Libs:  ${exec_prefix}/lib/libopencv_calib3d.so
        ${exec_prefix}/lib/libopencv_contrib.so
        [...]
        ${exec_prefix}/lib/libopencv_ts.a
        ${exec_prefix}/lib/libopencv_video.so
        -lrt -lpthread -lm -ldl

(It's all on one line, but split here for readability, and lots of libs
stripped out).

OK, so at link time, an opencv-using package (like gst2-plugins-bad)
will just try to link against ${exec_prefix}/lib/libopencv_ts.a , which
expands to /usr/lib/libopencv_ts.a and that is:

 1- not caught ny our paranoid toolchain wrapper
 2- not prefix-expanded by pkg-conf

I'll see what I can do with that, but tomorrow... ;-)

Regards,
Yann E. MORIN.

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