From f2073f19e9538a6fae0cb318ea84d316c692760e Mon Sep 17 00:00:00 2001
From: Sandro Santilli <strk@keybit.net>
Date: Sun, 9 Mar 2014 18:51:05 +0000
Subject: [PATCH] Error out at configure time if no SQL preprocessor can be
 found

Closes #2666

git-svn-id: http://svn.osgeo.org/postgis/trunk@12311 b70326c6-7e19-0410-871a-916f4a2858ee
---
 NEWS         | 1 +
 configure.ac | 6 +++++-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/NEWS b/NEWS
index 521b7bb59..662f4df4e 100644
--- a/NEWS
+++ b/NEWS
@@ -35,6 +35,7 @@ PostGIS 2.2.0
 
  * Bug Fixes *
 
+  - #2666, Error out at configure time if no SQL preprocessor can be found
   - #2371, Support GEOS versions with more than 1 digit in micro
   - #2383, Removed unsafe use of \' from raster warning message
   - #2384, Fixed variable datatype in ST_Neighborhood
diff --git a/configure.ac b/configure.ac
index b2d250df0..e317ca514 100644
--- a/configure.ac
+++ b/configure.ac
@@ -40,7 +40,11 @@ else
   if test "x$GPP" != "x"; then
     SQLPP="${GPP} -C -s \'" dnl Use better string support
   else
-    SQLPP="${CPP} -traditional-cpp"
+    if test "x${CPP}" != "x"; then
+      SQLPP="${CPP} -traditional-cpp"
+    else
+		  AC_MSG_ERROR([Required "cpp" command not found])
+    fi
   fi
 fi
 AC_SUBST([SQLPP])
-- 
2.50.1