* Check for the common typo, NOPORTSDOC [2]
* Make sure .CURDIR is the primary category [3]
* Check for USE_* macros that are user-settable [4]
* Try to be a little more intelligent when checking for macros that need to
appear earlier
* Ignore make directives when checking for extra items in certain sections
PR: 55921 [1]
57751 [2]
58292 [3]
58525 [4]
Submitted by: edwin [1]
Oliver Eikemeier <eikemeier@fillmore-labs.com> [2] [3] [4]
abada95d3c