[Mesa-dev] [Bug 96235] st_nir.h:34: error: redefinition of typedef ‘nir_shader’

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=96235

--- Comment #1 from Emil Velikov <emil.l.velikov at gmail.com> ---
Using the forward declaration allows us to avoid including the nir.h header,
thus keeping headers include chain shorter and less things get rebuild as a
result.

On the other hand, typedef redefinition is a C11 feature (iirc) which we cannot
enforce atm. There was a lengthy discussion about killing off the typedefs in
NIR, as they made sense in the C++ GLSL but not the C based NIR.

Don't recall the conclusion of the thread, but fwiw I'm for killing the
typedefs thus being able to build mesa with GCC 4.x series and (in due time)
killing off the unneeded includes of nir*.h and replacing them with fwd
declarations.

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