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Bug 898596 - sys-devel/m4-1.4.19-r2 has implicit function declarations in configure logs (MUSL-CLANG-SYSTEM)
Summary: sys-devel/m4-1.4.19-r2 has implicit function declarations in configure logs (...
Status: CONFIRMED
Alias: None
Product: Gentoo Linux
Classification: Unclassified
Component: Current packages (show other bugs)
Hardware: All Linux
: Normal normal
Assignee: Gentoo's Team for Core System packages
URL:
Whiteboard:
Keywords:
Depends on:
Blocks: implicit-in-configure gcc-14-stable
  Show dependency tree
 
Reported: 2023-03-01 11:44 UTC by Agostino Sarubbo
Modified: 2024-11-01 22:40 UTC (History)
2 users (show)

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

Attachments
build.log (build.log,189.15 KB, text/plain)
2023-03-01 11:44 UTC, Agostino Sarubbo 		Details
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Description Agostino Sarubbo gentoo-dev 2023-03-01 11:44:00 UTC 
https://blogs.gentoo.org/ago/2020/07/04/gentoo-tinderbox/

Issue: sys-devel/m4-1.4.19-r1 has implicit function declarations in configure logs (MUSL-CLANG-SYSTEM).
Discovered on: amd64 (internal ref: tinderbox_musl)

NOTE:
(MUSL-CLANG-SYSTEM) in the summary means that bug was found on a machine that runs MUSL libc + clang16 but this bug MAY or MAY NOT BE related to musl/clang16.
See also: https://bugs.gentoo.org/898488#c4.
Comment 1 Agostino Sarubbo gentoo-dev 2023-03-01 11:44:03 UTC 
Created attachment 855402 [details]
build.log

build log and emerge --info
Comment 2 Agostino Sarubbo gentoo-dev 2023-05-23 06:45:02 UTC 
ci has reproduced this issue with version 1.4.19-r2 - Updating summary.
Comment 3 Eli Schwartz gentoo-dev 2024-07-01 03:25:01 UTC 
Musl-specific false positives for re_*, fixed in portage via https://gitweb.gentoo.org/proj/portage.git/commit/?id=9728fbba80abeec5adad8ba6cf7580c16c039a45 and backported in https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=3082a374769c47114474d34fde309dcfbeb7f5ad


MIN false positive, fixed in portage via https://gitweb.gentoo.org/proj/portage.git/commit/?id=8256473c6a9fa93e7cf81c46fa920cd522507c21 and backported in https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=2cdb1b2ae41b13dc7f25b6d64c0b6ab19e4272dd


Remaining issue:

 * QA Notice: Found the following implicit function declarations in configure logs:
 *   /var/tmp/portage/sys-devel/m4-1.4.19-r2/work/m4-1.4.19/config.log:12099 - fpurge
 * Check that no features were accidentally disabled.
 * See https://wiki.gentoo.org/wiki/Modern_C_porting.