[Mesa-dev] [PATCH 7/7] meson: fix deps and underlinkage of libGL

[Jon Turney]

On 28/11/2017 18:21, Dylan Baker wrote:
> Quoting Emil Velikov (2017-11-27 06:31:35)
>> IIRC Windows mandates binaries with unresolved symbols.
>> Other platforms allow such behaviour.
>>
>> I think we want to set b_lundef=true, to catch these issues as part of
>> the build process.
>> We already do so in the autotools, android and at least partially in scons.
>>
>> One would need a workaround for the sanitizers [1] analogous to our
>> autotools and scons builds.
>>
>> Thanks for catching this Jon.
>> -Emil
>>
>> [1] https://github.com/mesonbuild/meson/issues/764
>> See commits 8b5d477aa820e52ed622c329933550c561ab1c93 and
>> fa46848e51a619aba5a748316fe8fe4c2e17d243
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> 
> JFYI,
> 
> b_lundef is true by default, and we don't override it. In this case (unless I'm
> completely misreading/remembering [I wrote a very similar patch in my macos
> branch]), the linkage is correct for Linux (possibly BSD too), but incorrect for
> macOS, Cygwin, and Windows.

If this is the case, think this suggests that there's something 
systematically wrong here, and this isn't the right fix...

I'll look into this a bit more.