Bug 884835 – [guru] media-gfx/azpainter-3.0.4 fails to compile (CLANG-STRICTER-SYSTEM): ld: libmlk.a(mlk_zlib.o): undefined reference to symbol deflateInit_

• Status: CONFIRMED
• Product: GURU

[Description Agostino Sarubbo 2022-12-08 09:22:18 UTC]

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

Issue: media-gfx/azpainter-3.0.4 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 2022-12-08 09:22:20 UTC]

Created attachment 840979 [details]
build.log

build log and emerge --info

[Comment 2 Agostino Sarubbo 2022-12-08 09:22:21 UTC]

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


/usr/lib/gcc/x86_64-pc-linux-gnu/12/../../../../x86_64-pc-linux-gnu/bin/ld: mlk/libmlk.a(mlk_zlib.o): undefined reference to symbol 'deflateInit_'
collect2: error: ld returned 1 exit status

[Comment 3 Watcom 2023-02-22 23:24:17 UTC]

Created attachment 854026 [details, diff]
Adds -lz to LIBS

I'm getting the same problem, but with gcc 11. This patch solved it for me.