For PR432:
* Remove --with-llvmgccdir, not needed any more
* Search path for llvm-gcc and llvm-gxx
* Compute LLVMGCCDIR based on install path of llvm-gcc


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19093 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed