[PATCH] Mingw-w64 driver for clang

[Ivan Garramona]

Hi Yaron, what you think about using the --sysroot arg to specify where mingw is installed. I think it's more easier to change the mingw installation by simply changing the arg, than messing around with environment variables.

For example, when i want to target x64, i simply add '--sysroot=/c/Mingw64 -m64' to the command line, and it just works. If --sysroot is not specified, getInstalledDir's parent directory is used instead.

Anyway, this is just a suggestion. And thanks for working on this.


http://reviews.llvm.org/D5268

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