ever seen error messages like this when generating doxygen docs for an iPhone/Mac Objective C project:
…/build/doxygen/html/a00136.png’ produced by dot is not a valid PNG!
You should either select a different format (DOT_IMAGE_FORMAT in the config file) or install a more recent version of graphviz (1.7+)
?
Happened to me this morning when running doxygen on another box. …