Index: libcaca/trunk/doc/doxygen.cfg.in
===================================================================
--- libcaca/trunk/doc/doxygen.cfg.in	(revision 4220)
+++ libcaca/trunk/doc/doxygen.cfg.in	(revision 4825)
@@ -1261,5 +1261,5 @@
 # instead of the = operator.
 
-PREDEFINED             = _DOXYGEN_SKIP_ME
+PREDEFINED             = _DOXYGEN_SKIP_ME __extern=
 
 # If the MACRO_EXPANSION and EXPAND_ONLY_PREDEF tags are set to YES then