llvm dev - Oct 2010 - [LLVMdev] libc++ builds

Does the new libc++ library have to be built independent of llvm/clang?
It would be nice if one could just drop its source tree into the llvm tree
ala clang and do a single build for all three together.
        Jack
ps Can libc++ be used in the llvm-gcc-4.2 build? Can one use the approach
of...

rm -fr ../llvm-gcc-4.2-4.2.source/libstdc++-v3

and passing configure --with-gxx-include to build llvm-gcc-4.2 against
the installed libc++?

On Oct 6, 2010, at 10:48 AM, Jack Howarth wrote:
>   Does the new libc++ library have to be built independent of llvm/clang?
> It would be nice if one could just drop its source tree into the llvm tree
> ala clang and do a single build for all three together.
>        Jack
> ps Can libc++ be used in the llvm-gcc-4.2 build? Can one use the approach
> of...
> 
> rm -fr ../llvm-gcc-4.2-4.2.source/libstdc++-v3
> 
> and passing configure --with-gxx-include to build llvm-gcc-4.2 against
> the installed libc++?
Currently libc++ depends upon a low-level library called libc++abi that is not
part of llvm.  libc++abi is essentially gcc's libsupc++ (not exactly, but
very close).  I believe the current lack of this low-level layer within llvm
would complicate dropping it in as you (rightly) desire.

-Howard