Driver: Add support for a new -nostdlibinc option.
 - This disables the system include directories, but not the compiler builtin
   directories. Useful for projects that want to use things like the intrinsic
   headers, but are otherwise freestanding.

 - I'm willing to reconsider the option naming, I also considered providing an
   explicit -builtinc (which would match -nobuiltininc), but this is more
   consistent with existing options.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141692 91177308-0d34-0410-b5e6-96231b3b80d8
4 files changed