Problems with linuxbrew

Distribution	Bitwidth	Method	Comment
Ubuntu 16.04 LTS	64	linuxbrew	Fails

The situation is tricky. It looks like you need clang to compile clang. On OS X, you need -with-libcxx to compile it and it's built in, in Linux it doesn't work.

Memos

• If llvm doesn't build, because it can't find a proper compiler, use brew install gcc. This may get you further but then more problems arise. The commandline that linuxbrew would need is brew install llvm --with-libcxx. But see references
• Things go better with HOMEBREW_CXX=clang++ HOMEBREW_CC=clang brew install --build-bottle --without-polly ./mulle-clang.rb but it still fails.

References

• llvm: libcxx won't compile (remove --with-libcxx?)
• clang: Gate the use of libc++ to Mac