$NetBSD: patch-doc_api_libhal_Makefile.am,v 1.1 2021/01/17 08:14:13 wiz Exp $

Remove gtk-doc support to unbreak build with autoconf 2.70.

--- doc/api/libhal/Makefile.am.orig	2008-08-10 13:50:10.000000000 +0000
+++ doc/api/libhal/Makefile.am
@@ -61,7 +61,5 @@ MAINTAINERCLEANFILES =		\
 	libhal-*.txt	\
 	$(NULL)
 
-include $(top_srcdir)/gtk-doc.make
-
 # Version information for marking the documentation
-EXTRA_DIST += version.xml.in
+EXTRA_DIST = version.xml.in