https://blogs.gentoo.org/ago/2020/07/04/gentoo-tinderbox/ Issue: media-libs/openexr fails to compile. Discovered on: amd64 NOTE: This machine uses a clang/LLVM toolchain. If you think that this issue is strictly related to clang/LLVM please mention it in the summary and block bug 408963.
Created attachment 647796 [details] build.log build log and emerge --info
Created attachment 647798 [details] other.tar.bz2 other logs
Please try again with 2.5.2. Looks LLVM related indeed?
2.5.2 looks fine for me
With 2.5.2 dwaLookups is no longer run during build, rather a prebuilt dwaLookups.h file is available (c.f. https://github.com/AcademySoftwareFoundation/openexr/blob/master/OpenEXR/IlmImf/dwaLookups.h) Closing.