Compiler-rt sanitizer not supported

[oneechanhax]

Compiler-rts sanitizer is not supported with musl libc, it should be disabled with -DCOMPILER_RT_BUILD_XRAY=OFF -DCOMPILER_RT_BUILD_SANITIZERS=OFF -DCOMPILER_RT_SANITIZERS_TO_BUILD=none

[tpimh]

Ideally I want to support sanitizers, but just disabling them is OK for now

[oneechanhax]

alpine disables them. its missing fstab.h that glibc provides.
it isnt there so its best to disable it.

[tpimh]

I was able to compile compiler_rt with sanitizers, it required installation of BSD-licensed libexecinfo, otherwise builds just as usual.