[llvm-dev] How to build LLVM linked to libc++abi?

[ardi via llvm-dev]

Hi!

I sometimes build LLVM with a static libc++.a in MacOS, so that I use
the LLVM libc++ instead of the system-wide one. However, when doing
so, I always get link errors when building LLVM, because the build
system links with libc++.a, but not with libc++abi.a and so there are
quite a few missing symbols that the linker cannot find.

My workaround (which always seems to work) is to embed libc++abi
inside of libc++ (with libtool, for example), but that's a hack for
being in a hurry. BTW, note that I'm talking about building LLVM
itself, not my programs (when you build your programs it doesn't hurt
to add  -lc++abi to your link line, but when building LLVM, how are
you supposed to do it? I've searched for a cleaner solution to this,
but couldn't find any.

Isn't there any LLVM build option for simply telling "hey! don't
forget to add -lc++abi whenever you link to libc++" ?

Thanks!

ardi