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Bug 667598 (wabi-no-wabi) - sys-devel/gcc-8.2.0-r3 - cc1plus: warning: -Wabi won't warn about anything [-Wabi]
Summary: sys-devel/gcc-8.2.0-r3 - cc1plus: warning: -Wabi won't warn about anything [-...
Alias: wabi-no-wabi
Product: Gentoo Linux
Classification: Unclassified
Component: Current packages (show other bugs)
Hardware: All Linux
: Normal normal (vote)
Assignee: Gentoo Toolchain Maintainers
Depends on:
Reported: 2018-10-02 18:47 UTC by Jeroen Roovers (RETIRED)
Modified: 2021-01-10 21:09 UTC (History)
1 user (show)

See Also:
Package list:
Runtime testing required: ---

sys-devel:gcc-8.2.0-r3:20180926-092859.log.xz (sys-devel:gcc-8.2.0-r3:20180926-092859.log.xz,182.60 KB, application/x-xz)
2018-10-02 18:50 UTC, Jeroen Roovers (RETIRED)

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Description Jeroen Roovers (RETIRED) gentoo-dev 2018-10-02 18:47:50 UTC
cc1plus: warning: -Wabi won't warn about anything [-Wabi]
cc1plus: note: -Wabi warns about differences from the most up-to-date ABI, which is also used by default
cc1plus: note: use e.g. -Wabi=11 to warn about changes from GCC 7
Comment 1 Jeroen Roovers (RETIRED) gentoo-dev 2018-10-02 18:50:17 UTC
Created attachment 549040 [details]
Comment 2 Sergei Trofimovich (RETIRED) gentoo-dev 2018-10-02 20:50:41 UTC changed behaviour of '-Wabi -fabi-version=n'. Now gcc requires '-Wabi=n' instead and complains about '-Wabi' doing nothing.

Is this bug about fixing other packages or a request to change something in gcc itself?
Comment 3 Jeroen Roovers (RETIRED) gentoo-dev 2018-10-05 17:49:15 UTC
Well, it's a bit odd that GCC should pass -Wabi in its own build system, so the bug is about sys-devel/gcc. Perhaps it's used for some architectures and not others?
Comment 4 Andreas K. Hüttel archtester gentoo-dev 2021-01-10 21:09:49 UTC
I guess we can close this now.