--- a/autogen.sh	Thu Nov 15 00:22:29 2012 +0200
+++ b/autogen.sh	Thu Nov 15 01:23:50 2012 +0200
@@ -4,5 +4,31 @@
 : ${AUTORECONF=autoreconf}
 : ${GTKDOCIZE=gtkdocize}
 
+if [ "x$1" = "x-h" ] || [ "x$1" = "x--help" ]; then
+	echo "./autogen.sh [-g]"
+	echo
+	echo " -n  disable gtk-doc"
+	echo
+	echo "Also uses environment variables AUTORECONF and GTKDOCIZE"
+	exit 1
+elif [ "x$1" = "x-n" ]; then
+	# ensure, that gtk-doc.make exists and is readable
+	# otherwise automake will fail - it is included from
+	# doc/reference/Makefile.am
+	if [ -f "./autogen.sh" ]; then
+		if [ -h "./gtk-doc.make" ]; then
+			rm -f "./gtk-doc.make"
+		fi
+		if [ -n "./gtk-doc.make" ]; then
+			: > "./gtk-doc.make"
+		fi
+		GTKDOCIZE=":"
+	else
+		# Avoid creation of files in random directories
+		echo "Error: You have to run this script from the root of loudmouth sources."
+		exit 1
+	fi
+fi
+
 $GTKDOCIZE || exit 1
 $AUTORECONF --install || exit 1