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Re: Build Mesa with a different toolchain version
From: |
Thiago Jung Bauermann |
Subject: |
Re: Build Mesa with a different toolchain version |
Date: |
Tue, 01 Jun 2021 22:53:54 -0300 |
After sending the email, I thought of another thing to try, but it didn't
help. I thought I'd mention it here for completeness:
Try #3:
Using this definition in my local channel:
```
(define gcc->gcc-10
(package-input-rewriting `((,gcc-7 . ,gcc-10)
(,(make-libstdc++ gcc-7) . ,(make-libstdc++
gcc-10)))))
(define-public mesa-10
(package
(inherit (gcc->gcc-10 mesa))
(name "mesa-10")))
```
i.e., the only change relative to the previous try was to look for ‘gcc-7’
rather than ‘gcc’ to make the substitution.
But unfortunately guix build didn't even try to rebuild the package.
It just returned the store items that were built in try #2:
$ guix build --system=i686-linux mesa-10
/gnu/store/8iiwn9cnjlfxfi7m1fmdavzgr7y38vv7-mesa-10-20.2.4-bin
/gnu/store/hjci6cqw76hvdawdl04kjmbajklsdwx2-mesa-10-20.2.4
I believe this shows that ‘gcc’ already points to ‘gcc-7’. I just can't
change it for some reason…
--
Thanks,
Thiago