Bug 887639 – [guru] dev-vcs/got-0.79 fails to compile (CLANG-STRICTER-SYSTEM): error.c:297:2: error: call to undeclared function __xpg_strerror_r; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration]

• Status: RESOLVED UPSTREAM
• Product: GURU

[Description Agostino Sarubbo 2022-12-21 10:02:29 UTC]

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

Issue: dev-vcs/got-0.79 fails to compile (CLANG-STRICTER-SYSTEM).
Discovered on: amd64 (internal ref: guru_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

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

[Comment 1 Agostino Sarubbo 2022-12-21 10:02:31 UTC]

Created attachment 844343 [details]
build.log

build log and emerge --info

[Comment 2 Agostino Sarubbo 2022-12-21 10:02:32 UTC]

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


:190:1: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
base64.c:126:1: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
../../lib/error.c:297:2: error: call to undeclared function '__xpg_strerror_r'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration]