DOXYGEN="$1"
DOXYFILE="$2"
ABS_TOP_SRCDIR="$3"
+# Set environment variables that are unset
+if [ -z "$DOXYGEN_WARN_AS_ERROR" ]
+then export DOXYGEN_WARN_AS_ERROR="NO"
+fi
+if [ -z "$DOXYGEN_QUIET" ]
+then export DOXYGEN_QUIET="YES"
+fi
cd "$ABS_TOP_SRCDIR" && exec "$DOXYGEN" "$DOXYFILE"