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recursive header search path bug



I wasted most of my day tracking down an Xcode 3.0 bug (<rdar://5716723>), which I couldn't find mentioned in the list archive, so I thought I'd describe it here.

Say you've defined a source tree, call it "Tree", that points to a folder with this structure:

Tree
  1234567890
    proj.xcodeproj
    source.cpp
  abcdef
    abc
      header.h

Suppose that the project defines a recursive user header search path:
$(Tree)/abcdef/**

And assume that source.cpp contains #include "header.h".

Then when you try to build, Xcode will say it can't find header.h. And here's the really weird part: If you change the length of any of the folder names "1234567890", "abcdef", "abc", the error goes away.
--
James W. Walker, Innoventive Software LLC
<http://www.frameforge3d.com/>
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