Bug 881959 – app-admin/hardinfo-0.6_alpha_pre20221113 fails to compile (CLANG-STRICTER-SYSTEM): fbench.c:651:13: error: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Werror,-Wdeprecated-non-prototype]

• Status: RESOLVED INVALID
• Product: Gentoo Linux

[Description Agostino Sarubbo 2022-11-19 08:31:12 UTC]

https://blogs.gentoo.org/ago/2020/07/04/gentoo-tinderbox/

Issue: app-admin/hardinfo-0.6_alpha_pre20221113 fails to compile (CLANG-STRICTER-SYSTEM).
Discovered on: amd64 (internal ref: clang-stricter_tinderbox)

NOTE:
(CLANG-STRICTER-SYSTEM) in the summary means that the bug was found on a machine that runs clang with stricter mode

This machine uses clang with CFLAGS/CXXFLAGS=-Werror=implicit-function-declaration -Werror=implicit-int -Werror=incompatible-function-pointer-types -Werror=deprecated-non-prototype

See also:
https://archives.gentoo.org/gentoo-dev/message/dd9f2d3082b8b6f8dfbccb0639e6e240
https://wiki.gentoo.org/wiki/Modern_C_porting

[Comment 1 Agostino Sarubbo 2022-11-19 08:31:15 UTC]

Created attachment 833595 [details]
build.log

build log and emerge --info

[Comment 2 Agostino Sarubbo 2022-11-19 08:31:16 UTC]

Error(s) that match a know pattern in addition to what has been reported in the summary:


FAILED: CMakeFiles/benchmark.dir/modules/benchmark/fbench.c.o 
FAILED: CMakeFiles/benchmark.dir/modules/benchmark/md5.c.o 
/var/tmp/portage/app-admin/hardinfo-0.6_alpha_pre20221113/work/hardinfo-a798cbaed6f1b083cc3c26dbede74cf40947d0ef/modules/benchmark/fbench.c:651:13: error: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Werror,-Wdeprecated-non-prototype]

[Comment 3 Sam James 2022-11-19 08:56:30 UTC]

This has -std=gnu89 so I wouldn't expect it to warn without the -Werror (i.e. you're opting in to it, rather than letting it happen "naturally" where implied default is C17 or whatever and it really will break when default changes.)