From a6a98603808d0c132d839a09f35874a86fb19906 Mon Sep 17 00:00:00 2001
From: Regina Obe <lr@pcorp.us>
Date: Fri, 26 Jun 2015 09:06:14 +0000
Subject: [PATCH] #3182 update docs and configure to reflect SFCGAL 1.1+ is
 required to build with SFCGAL (patch from Vincent Mora)

git-svn-id: http://svn.osgeo.org/postgis/trunk@13714 b70326c6-7e19-0410-871a-916f4a2858ee
---
 configure.ac         | 3 +++
 doc/installation.xml | 2 +-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index 242d3463a..514808561 100644
--- a/configure.ac
+++ b/configure.ac
@@ -665,6 +665,9 @@ if test "x$with_sfcgal" != "xno"; then
         		SFCGAL="sfcgal"
 			HAVE_SFCGAL="yes"
 		fi
+		if test ! "$POSTGIS_SFCGAL_VERSION" -ge 11; then
+			AC_MSG_ERROR([PostGIS requires SFCGAL >= 1.1.0 (found $SFCGAL_VERSION)])
+		fi
 
 	else
 		if test "x$with_sfcgal" != "x"; then
diff --git a/doc/installation.xml b/doc/installation.xml
index a25960d52..b3e913e59 100644
--- a/doc/installation.xml
+++ b/doc/installation.xml
@@ -184,7 +184,7 @@ psql -d yourdatabase -f sfcgal_comments.sql
 	  
 	  <listitem>
 		<para>
-                  SFCGAL, version 1.0 (or higher) could be used to provide additional 2D and 3D advanced analysis functions to PostGIS cf <xref linkend="reference_sfcgal" />. And also allow to use SFCGAL rather than GEOS for some 2D functions provided by both backends (like ST_Intersection or ST_Area, for instance). A PostgreSQL configuration variable <code>postgis.backend</code> allow end user to control which backend he want to use if SFCGAL is installed (GEOS by default). Nota: SFCGAL 1.0 require at least CGAL 4.1 and Boost 1.46 (cf: <ulink url="http://oslandia.github.io/SFCGAL/installation.html">http://oslandia.github.io/SFCGAL/installation.html</ulink>)
+                  SFCGAL, version 1.1 (or higher) could be used to provide additional 2D and 3D advanced analysis functions to PostGIS cf <xref linkend="reference_sfcgal" />. And also allow to use SFCGAL rather than GEOS for some 2D functions provided by both backends (like ST_Intersection or ST_Area, for instance). A PostgreSQL configuration variable <code>postgis.backend</code> allow end user to control which backend he want to use if SFCGAL is installed (GEOS by default). Nota: SFCGAL 1.2 require at least CGAL 4.3 and Boost 1.54 (cf: <ulink url="http://oslandia.github.io/SFCGAL/installation.html">http://oslandia.github.io/SFCGAL/installation.html</ulink>)
 
 		  <ulink url="https://github.com/Oslandia/SFCGAL">https://github.com/Oslandia/SFCGAL</ulink>.
 		</para>
-- 
2.40.0