Max Howell 10aab9a672 superenv: More thorough scrubbing of -I & -L args
It's important that -I is scrubbed thoroughly as we add most of our important paths with -isystem and -I is handled *first*.

NOTE this indicates we should probably have used -I rather than -isystem, but too late to test all that now.

Also scrub -L for bad-paths thoroughly (evaluate realpath).
2012-09-03 15:12:32 -04:00
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