[Octave-bug-tracker] [bug #58689] [MXE Octave] Update mesa to use meson as (native) build tool

[Markus Mützel]

Update of bug #58689 (project octave):

                  Status:             In Progress => Need Info              

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Follow-up Comment #18:

I tried to update LLVM to the latest version (10.0.0) but I could figure out
how to get it to cross compile.
So I opted for a smaller update from 6.0.1 to 7.0.0.
Good thing is that the host triplet in that version is correctly set to the
cross target for the native version of llvm-config. However, the configure
flags are still incorrectly set.
I added a horrible patch that hard codes the settings we have in our make rule
into llvm-config.
With that hack, I was able to compile (and finally also link) mesa built with
meson.
Is there a way to have a patch only apply for mingw targets?

I'm attaching the two patches.

I still haven't tried a native build. But I hope we'll be able to use the same
build rule.

I don't know how to tread USE_SYSTEM_OPENGL. Why do we need mesa if not for
the software OpenGL driver?

(file #49454, file #49455)
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Additional Item Attachment:

File name: llvm.7.0.0.patch               Size:5 KB
    <https://savannah.gnu.org/file/llvm.7.0.0.patch?file_id=49454>

File name: mesa_meson_v2.patch            Size:6 KB
    <https://savannah.gnu.org/file/mesa_meson_v2.patch?file_id=49455>



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