Backported patches [1][2] that add support for
llvm-libunwind[3] on ppc64le.
[1] dc25db1eb7a3cbe5c1b58f5225606efe9218ccd0
[2] 2b4c5e067b7259ae5d60553c62e309a1780df570
[3] https://github.com/llvm-mirror/libunwind
py-opencl, R: missing dependencies community/{OpenBLAS,py-numpy}
openspecfun: missing dependency community/openlibm
llvm-libunwind: no support yet
drawterm: no support yet
caddy:
e040f51c04/buildenv.go (L239)
docker: disable for now.
Currently we still cannot boot Alpine s390x natively yet, most usage are
running inside containers. Thus it is not likely we need Docker on s390x
for now.
