Bug 879685

Summary:	dev-util/unicorn: possible configure breakage with Clang 16
Product:	Gentoo Linux	Reporter:	Matt Jolly <Matt.Jolly>
Component:	Current packages	Assignee:	mario.haustein
Status:	CONFIRMED ---
Severity:	normal	CC:	sam
Priority:	Normal
Version:	unspecified
Hardware:	All
OS:	All
See Also:	https://bugs.gentoo.org/show_bug.cgi?id=877259
Whiteboard:
Package list:		Runtime testing required:	---
Bug Depends on:
Bug Blocks:	906027
Attachments:	clang-14.log clang-15.log clang.diff

Description Matt Jolly 2022-11-04 22:10:38 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 '__atomic_compare_exchange_16'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration]
error: call to undeclared function '__atomic_compare_exchange_8'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration]
error: call to undeclared function '__atomic_exchange_8'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration]
error: call to undeclared function '__atomic_fetch_add_8'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration]
error: call to undeclared function '__atomic_load_16'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration]
error: call to undeclared function '__atomic_load_8'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration]
error: call to undeclared function '__atomic_store_16'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration]
error: call to undeclared function '__atomic_store_8'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration]

Comment 1 Matt Jolly 2022-11-04 22:10:39 UTC

Created attachment 827303 [details]
clang-14.log

build log

Comment 2 Matt Jolly 2022-11-04 22:10:41 UTC

Created attachment 827305 [details]
clang-15.log

build log

Comment 3 Matt Jolly 2022-11-04 22:10:44 UTC

Created attachment 827307 [details]
clang.diff

build log

Comment 4 Sam James archtester

2022-11-06 00:26:38 UTC

The discussion in bug 877259 and the linked upstream bug for systemd + llvm is relevant.