Generate gtk-doc.make from gtkdocize.

Makefile.am

@@ -6,7 +6,7 @@ SUBDIRS = debian gst-libs pkgconfig sys tests docs
 MAINTAINERCLEANFILES = \
 	aclocal.m4 compile config.guess config.sub \
 	configure depcomp install-sh ltmain.sh     \
-	Makefile.in missing config.h.in
+	Makefile.in missing config.h.in gtk-doc.make
 
 deb: dist
 	-mkdir -p debian-build

autogen.sh

@@ -1,3 +1,20 @@
 #! /bin/sh
+
+GTKDOCIZE=`which gtkdocize`
+if test -z $GTKDOCIZE; then
+    echo "*** No gtk-doc support ***"
+    echo "EXTRA_DIST =" > gtk-doc.make
+else
+    gtkdocize || exit $?
+    # we need to patch gtk-doc.make to support pretty output with
+    # libtool 1.x.  Should be fixed in the next version of gtk-doc.
+    # To be more resilient with the various versions of gtk-doc one
+    # can find, just sed gkt-doc.make rather than patch it.
+    sed -e 's#) --mode=compile#) --tag=CC --mode=compile#' gtk-doc.make > gtk-doc.temp \
+        && mv gtk-doc.temp gtk-doc.make
+    sed -e 's#) --mode=link#) --tag=CC --mode=link#' gtk-doc.make > gtk-doc.temp \
+        && mv gtk-doc.temp gtk-doc.make
+fi
+
 autoreconf -v --install
 ./configure "$@"