polysquare/include-what-you-use-target-cmake — pull request #7 by smspillaz (2014-10-06 00:55:54+00:00)
Title: Only pass INTERNAL_INCLUDE_DIRS to header file language check.

We don't care about headers in external include dirs potentially including our
local headers - that is never going to happen, they are never going to be
scanned and it takes an extraordinary amount of resources to scan all of them
(eg, boost)