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Bug#1032851: mesa: FTBFS in dirty env if clang-14 is installed



Oneric kirjoitti 12.3.2023 klo 22.11:
Source: mesa
Version: 23.0.0-1
Severity: normal

Hi,

when clang-14 but not clang-15 is installed while building mesa 23.0.0
on Sid (debuild -us -uc -i -b), the build fails about 60% in related to
bindgen and rusticl. (See further down for logged errors.)
If clang-15 is installed, the build succeeds regardless of clang-14 being
present or not. If no clang is installed at all, the build succeeds too.
In Sid clang-14 is currently the default for "clang", in experimental
it is already clang-15.

Given it also works with no clang (like when building the official
package) adding a dependency on clang-15 is probably not desirable
and I’m not sure what to do about it.
If nothing else, I hope this report can at least help
others figure out why they can't backport mesa.

Cheers
Oneric

Mesa already build-depends on several packages from llvm-15, so adding one more shouldn't matter much.


--
t


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