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gerdr/gist:2204236

Created March 26, 2012 09:53
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GCC header lookup order
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gistfile1.md

Searched by #include "foo.h"

  • current directory
  • directories addded via -iquote

Searched by both #include "foo.h" and #include <foo.h>

  • directories added via -I

Searched by both #include "foo.h" and #include <foo.h> and considered system headers, ie warnings will be ignored

  • directories added via -isystem
  • standard system directories

The list is in lookup order.

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