make Doxygen happy

Author: leissa

docs/Doxyfile.in

@@ -866,7 +866,7 @@ WARN_NO_PARAMDOC       = NO
 # Possible values are: NO, YES and FAIL_ON_WARNINGS.
 # The default value is: NO.
 
-WARN_AS_ERROR          = NO
+WARN_AS_ERROR          = YES
 
 # The WARN_FORMAT tag determines the format of the warning messages that doxygen
 # can produce. The string should contain the $file, $line, and $text tags, which
@@ -2334,7 +2334,7 @@ INCLUDE_FILE_PATTERNS  =
 # recursively expanded use the := operator instead of the = operator.
 # This tag requires that the tag ENABLE_PREPROCESSING is set to YES.
 
-PREDEFINED             = THORIN_ENABLE_CHECKS
+PREDEFINED             = THORIN_ENABLE_CHECKS, DOXYGEN
 
 # If the MACRO_EXPANSION and EXPAND_ONLY_PREDEF tags are set to YES then this
 # tag can be used to specify a list of macro names that should be expanded. The

thorin/world.cpp

@@ -433,8 +433,10 @@ const Def* World::gid2def(u32 gid) {
  * instantiate templates
  */
 
+#ifndef DOXYGEN // doxygen doesn't like these two lines ...
 template const Def* World::app<true>(const Def*, const Def*, const Def*);
 template const Def* World::app<false>(const Def*, const Def*, const Def*);
+#endif
 template const Def* World::ext<true>(const Def*, const Def*);
 template const Def* World::ext<false>(const Def*, const Def*);
 template const Def* World::bound<true>(Defs, const Def*);