[llvm] r223309 - Make llvm-ar a real build target and install it.

[Rafael Espíndola]

> How do I reproduce this?
>
> On windows I normally build with cmake + ninja. Can you give the
> command lines you used?

For what it is worth, I just tried

cmake ..\llvm\ -DLLVM_LIT_TOOLS_DIR="c:\gnuwin\GetGnuWin32\gnuwin32\bin"
-DCMAKE_BUILD_TYPE=Release -DLLVM_ENABLE_ASSERTIONS=ON
-DCMAKE_INSTALL_PREFIX="c:\users\espindola\llvm\test-install" -GNinja

followed by "ninja install" and it worked.

Cheers,
Rafael