Messages in this thread | | | Date | Sun, 28 Sep 2003 23:43:08 +0200 (CEST) | From | Tim Schmielau <> | Subject | Re: Linux 2.6.0-test6 |
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> Ok, how about this: > > for each header file { > make header.o > 1) if it doesn't build { > print out a warning > continue > } > for each #include line { > remove the #include line > make header.o > 2) if it build { > print out a warning > } > 3) if there are less than x gcc warnings { > print out a warning > } > } > } > > 1) is my old proposal. 2) is the natural counterpart. 3) could be > what you want. If some header is only needed for something like your > example, we may be able to catch it this way. > > Would this work? Would something else work even better?
Problem is, this depends too much on the specific configuration, and thus will never be a general solution (will generate false positives and false negatives). Might be a good start, though.
Tim
P.S.: My secret plan is to write a parser or hack sparse to do this for both #if and #else branches of conditionals at the same time. This however, is a big project, and I don't think of even _starting_ this before next year.
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