Make --disable-libffi work on systems with libffi installed.  Also
make no-ffi the default even on systems with libffi.  This fixes
http://llvm.org/PR5018.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95712 91177308-0d34-0410-b5e6-96231b3b80d8
3 files changed