Bug 879771

Summary:	sys-apps/pick: possible configure breakage with Clang 16
Product:	Gentoo Linux	Reporter:	Matt Jolly <kangie>
Component:	Current packages	Assignee:	No maintainer - Look at https://wiki.gentoo.org/wiki/Project:Proxy_Maintainers if you want to take care of it <maintainer-needed>
Status:	RESOLVED INVALID
Severity:	normal	Keywords:	PullRequest
Priority:	Normal
Version:	unspecified
Hardware:	All
OS:	All
See Also:	https://github.com/gentoo/gentoo/pull/28234
Whiteboard:
Package list:		Runtime testing required:	---
Bug Depends on:
Bug Blocks:	906027
Attachments:	clang-14.log clang-15.log clang.diff

Description Matt Jolly gentoo-dev

2022-11-04 22:15:51 UTC

This package has been identified via automation as potentially impacted by upcoming Clang 16 changes.
The following have been identified as potential issues:

[-Werror,-Wimplicit-function-declaration]

[-Werror,-Wimplicit-function-declaration]
error: call to undeclared function 'pledge'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration]
error: call to undeclared function 'strtonum'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration]
error: call to undeclared function 'wcwidth'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration]

Comment 1 Matt Jolly gentoo-dev

2022-11-04 22:15:52 UTC

Created attachment 827561 [details]
clang-14.log

build log

Comment 2 Matt Jolly gentoo-dev

2022-11-04 22:15:53 UTC

Created attachment 827563 [details]
clang-15.log

build log

Comment 3 Matt Jolly gentoo-dev

2022-11-04 22:15:54 UTC

Created attachment 827565 [details]
clang.diff

build log

Comment 4 Pascal Jäger 2022-11-15 21:45:24 UTC

I looked into the code and those error messages come up because things are deliberately failing to detect what functions are available on the system.