When building dev-libs/libressl-2.9.0 for an ARM cpu, it fails because the file crypto/arm_arch.h is missing. My machine is an Odroid XU4.
Created attachment 558356 [details] build.log
Created attachment 558358 [details] environment
Created attachment 558360 [details] emerge --info
Build succeeded with --disable-asm
(In reply to Quentin R. from comment #4) > Build succeeded with --disable-asm okay i've masked USE=asm for libressl-2.9.0 on arm. Please reopen if this is still a problem.