From 508b11011c85bb21e5bd4212a16fabb9136e22fa Mon Sep 17 00:00:00 2001
From: Daniel-Constantin Mierla <miconda@gmail.com>
Date: Sat, 10 Jan 2015 11:38:00 +0100
Subject: [PATCH] docbook/Makefile: use default system catalog implicitely

- custom catalog can be forced with nocatalog=no
---
 docbook/Makefile | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/docbook/Makefile b/docbook/Makefile
index 0fd61e22e08..ec5841d8509 100644
--- a/docbook/Makefile
+++ b/docbook/Makefile
@@ -99,6 +99,10 @@ html_css ?= /css/sr-doc.css
 # file or docbook xsl stylesheets are being installed.
 catalog  ?= $(docbook_dir)/catalog.xml
 
+# Use standard catalog from OS, set it to no to use the above path to a
+# custom catalog file.
+nocatalog ?= yes
+
 lynx     ?= lynx
 dia      ?= dia
 xsltproc ?= xsltproc