https://blogs.gentoo.org/ago/2020/07/04/gentoo-tinderbox/ Issue: media-gfx/gpicview-0.2.5-r1 fails to compile. Discovered on: amd64 (internal ref: tinderbox) NOTE: This machine uses a clang/LLVM toolchain. If you think that this issue is strictly related to clang/LLVM please block bug 408963. If you think that this issue is strictly related to the LLD linker, please block bug 731004. This machine uses also GLIBC-2.32. If you think that this issue is strictly related to GLIBC please block bug 736174.
Created attachment 657802 [details] build.log build log and emerge --info
Debian have a patch for that: https://sources.debian.org/src/gpicview/0.2.5-3/debian/patches/clang_FTBFS_Wreturn-type.patch/
I am unable to reproduce it on the 2 systems I've tried, I will close it.