Bug 888023 – [guru] sys-cluster/spectral-3.4.1-r1 fails to compile (CLANG-STRICTER-SYSTEM): trace_filter_OMP.1.2.c:494:14: error: call to undeclared function omp_get_max_threads; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-func

• Status: CONFIRMED
• Product: GURU

[Description Agostino Sarubbo 2022-12-22 17:19:08 UTC]

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

Issue: sys-cluster/spectral-3.4.1-r1 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 2022-12-22 17:19:10 UTC]

Created attachment 844773 [details]
build.log

build log and emerge --info

[Comment 2 Agostino Sarubbo 2022-12-22 17:19:11 UTC]

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


checking for libbsctools libraries placement... configure: WARNING: Cannot find libparavertraceconfig.a! Make sure that --with-libbsctools is pointing to the correct place.
checking for libbsctools... configure: WARNING: Cannot find some header files of the libbsctools! Make sure that --with-libbsctools is pointing to the correct place.
trace_filter_OMP.1.2.c:494:14: error: call to undeclared function 'omp_get_max_threads'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration]