[Mesa-dev] automake-gallium testing

[Matt Turner]

On Fri, Sep 14, 2012 at 8:21 AM, Matt Turner <mattst88 at gmail.com> wrote:
> On Fri, Sep 14, 2012 at 6:51 AM, Andreas Boll
> <andreas.boll.dev at gmail.com> wrote:
>> Hi Matt,
>>
>> thank you very much for working on mesa's build system.
>> I've tested your branch at
>>   http://cgit.freedesktop.org/~mattst88/mesa/log/?h=automake-gallium
>> and found two regressions so far.
>>
>> This is the first regression:
>> r600_dri.so: undefined symbol: _ZTIN4llvm11raw_ostreamE)
>>
>> I've bisected to this commit:
>>
>> aac9798155f77f70b7cffc69ea4414aca7990e24 is the first bad commit
>> commit aac9798155f77f70b7cffc69ea4414aca7990e24
>> Author: Matt Turner <mattst88 at gmail.com>
>> Date:   Wed Sep 5 11:12:29 2012 -0700
>>
>>     targets/dri-r600: Convert to automake
>>
>> Steps to reproduce:
>>
>> $ ./autogen.sh --prefix=$HOME/mesa-testing \
>>         --with-gallium-drivers=r600 \
>>         --with-dri-drivers=
>>
>> $ LD_LIBRARY_PATH="/home/andreas/mesa-testing/lib" LIBGL_DEBUG=verbose
>> glxinfo | egrep "OpenGL|rendering"
>>
>> libGL: OpenDriver: trying /home/andreas/mesa-testing/lib/dri/tls/r600_dri.so
>> libGL: OpenDriver: trying /home/andreas/mesa-testing/lib/dri/r600_dri.so
>> libGL error: dlopen /home/andreas/mesa-testing/lib/dri/r600_dri.so
>> failed (/home/andreas/mesa-testing/lib/dri/r600_dri.so: undefined
>> symbol: _ZTIN4llvm11raw_ostreamE)
>> libGL error: unable to load driver: r600_dri.so
>> libGL error: driver pointer missing
>> libGL error: failed to load driver: r600
>> libGL: OpenDriver: trying /home/andreas/mesa-testing/lib/dri/tls/swrast_dri.so
>> libGL: OpenDriver: trying /home/andreas/mesa-testing/lib/dri/swrast_dri.so
>> libGL error: dlopen /home/andreas/mesa-testing/lib/dri/swrast_dri.so
>> failed (/home/andreas/mesa-testing/lib/dri/swrast_dri.so: cannot open
>> shared object file: No such file or directory)
>> libGL error: unable to load driver: swrast_dri.so
>> libGL error: failed to load driver: swrast
>>
>> direct rendering: No (If you want to find out why, try setting
>> LIBGL_DEBUG=verbose)
>> OpenGL vendor string: X.Org
>> OpenGL renderer string: Gallium 0.4 on AMD RV770
>> OpenGL version string: 1.4 (2.1 Mesa 8.0.4)
>> OpenGL extensions:
>>
>> ###############################
>>
>> This is the second regression and I think that the other targets may fail too:
>> swrast_dri.so: undefined symbol: driSWRastExtension)
>>
>> I've bisected to this commit:
>>
>> d098680084c3af7f0948c4efd81921845067b990 is the first bad commit
>> commit d098680084c3af7f0948c4efd81921845067b990
>> Author: Matt Turner <mattst88 at gmail.com>
>> Date:   Wed Sep 5 11:17:33 2012 -0700
>>
>>     targets/dri-swrast: Convert to automake
>>
>> Steps to reproduce:
>>
>> $ ./autogen.sh --prefix=$HOME/mesa-testing \
>>         --with-gallium-drivers=swrast \
>>         --with-dri-drivers=
>>
>> $ make
>> $ make install
>>
>> $ LD_LIBRARY_PATH="/home/andreas/mesa-testing/lib" LIBGL_DEBUG=verbose
>> LIBGL_ALWAYS_SOFTWARE=1 GALLIUM_DRIVER=softpipe glxinfo | egrep
>> "OpenGL|rendering"
>>
>> libGL: OpenDriver: trying /home/andreas/mesa-testing/lib/dri/tls/swrast_dri.so
>> libGL: OpenDriver: trying /home/andreas/mesa-testing/lib/dri/swrast_dri.so
>> libGL error: dlopen /home/andreas/mesa-testing/lib/dri/swrast_dri.so
>> failed (/home/andreas/mesa-testing/lib/dri/swrast_dri.so: undefined
>> symbol: driSWRastExtension)
>> libGL error: unable to load driver: swrast_dri.so
>> libGL error: failed to load driver: swrast
>>
>> direct rendering: No (If you want to find out why, try setting
>> LIBGL_DEBUG=verbose)
>> OpenGL vendor string: X.Org
>> OpenGL renderer string: Gallium 0.4 on AMD RV770
>> OpenGL version string: 1.4 (2.1 Mesa 8.0.4)
>> OpenGL extensions:
>>
>>
>> I'm looking forward to test possible fixes.
>>
>> Andreas.
>
> Hi Andreas,
>
> Thanks so much for testing! Testing is the hardest part in all of
> this. I'll investigate and whip up some patches today.
>
> Again, thanks a lot!
> Matt

The attached patch should fix those two but they still won't work
because I need to force C++ linking when linking with LLVM.
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