From d977a1e486494769eb7e69a7359482c406d2785a Mon Sep 17 00:00:00 2001
From: Sandro Santilli <strk@kbt.io>
Date: Wed, 8 Feb 2017 13:25:12 +0000
Subject: [PATCH] Add notes about dependency requirements for ST_AsMVT
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Patch by Björn Harrtell <bjorn@wololo.org>

git-svn-id: http://svn.osgeo.org/postgis/trunk@15308 b70326c6-7e19-0410-871a-916f4a2858ee
---
 doc/installation.xml | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/doc/installation.xml b/doc/installation.xml
index 851751215..8b8c812e0 100644
--- a/doc/installation.xml
+++ b/doc/installation.xml
@@ -206,6 +206,14 @@ psql -d yourdatabase -f sfcgal_comments.sql
 			</para>
 		</listitem>
 
+		<listitem>
+			<para>
+			  To enable ST_AsMVT protobuf-c library (for usage) and the protoc-c compiler (for building) are required.
+				Also, pgk-config is required to verify the correct minimum version of protobuf-c.
+				See <ulink url="https://github.com/protobuf-c/protobuf-c">protobuf-c</ulink>.
+			</para>
+		</listitem>
+
 	  <listitem>
 		<para>
 		 CUnit (<filename>CUnit</filename>). This is needed for regression testing. <ulink url="http://cunit.sourceforge.net/">http://cunit.sourceforge.net/</ulink>
-- 
2.50.1