dev-db/mysql: fix compilation when tmpdir not accessible by portage

[hlein]

Upstream has declared WONTFIX; gentoo is not supported, and neither is compiling as a user who cannot read mysql-only directories: https://bugs.mysql.com/bug.php?id=108947

Signed-off-by: Hank Leininger hlein@korelogic.com
Bug: https://bugs.gentoo.org/878951

[gentoo-bot]

Pull Request assignment

Submitter: @hlein
Areas affected: ebuilds
Packages affected: dev-db/mysql

dev-db/mysql: @gentoo/mysql

Linked bugs

Bugs linked: 878951

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[gentoo-repo-qa-bot]

Pull request CI report

Report generated at: 2022-11-01 17:48 UTC
Newest commit scanned: 2a19d5f
Status: ✅ good

There are existing issues already. Please look into the report to make sure none of them affect the packages in question:
https://qa-reports.gentoo.org/output/gentoo-ci/029bca63e3/output.html

[hlein]

I bumped to -r1 out of habit, but really, if you have this problem then 8.0.31 can't build for you, and if you don't have this problem then you don't need the patch. So skipping a revbump would probably be fair.

[thesamesam]

I'll keep the revbump because it's a bit scary to have it try interfere with the running MySQL and even if it built, I worry it might be somehow unclean. Thanks!