+if test x$USE_MAINTAINER_MODE = xyes
+then
+ # Check for doxygen when in maintainer mode since dist* targets fail
+ # without it
+ AC_PATH_PROG(DOXYGEN,doxygen,`which doxygen`)
+ if test x$DOXYGEN = x ; then
+ AC_MSG_ERROR([doxygen is mandatory in maintainer mode])
+ fi
+fi
+