[PATCH] D91107: [Clang][Driver] Added the support for setting GCC toolchain via environment variable

[Tom Stellard via Phabricator via cfe-commits]

tstellar added a comment.

This code could be improved, but I don't think adding a specific environment variable for this a good solution.  You can use the existing CCC_OVERRIDE_OPTIONS to get the same effect. e.g.  CCC_OVERRIDE_OPTIONS=^--gcc-toolchain=/path/to/gcc

More documentation can be found here: https://github.com/llvm-mirror/clang/blob/master/tools/driver/driver.cpp#L75


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