D17858: clang: Also detect Clang builtin dirs at runtime on Unix

[Francis Herne]

flherne accepted this revision as: flherne.
flherne added a comment.


  On further consideration, I think I was wrong about this, sorry.
  
  Minor versions aren't likely to break anything of ours and there are various platform-specific conditionals already.
  
  I don't see any code problem with the patch. Perhaps the check found in `plugins/clang/clangsupport.cpp:185` should be moved into this function, so that we can try the fallback paths in case the first-chosen dir somehow fails to contain the headers, but that also applies to the current code.

REPOSITORY
  R32 KDevelop

REVISION DETAIL
  https://phabricator.kde.org/D17858

To: rjvbb, #kdevelop, flherne
Cc: flherne, kdevelop-devel, glebaccon, hase, antismap, iodelay, geetamc, Pilzschaf, akshaydeo, surgenight, arrowd
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