Index: geos/macros/ac_pkg_swig.m4
===================================================================
--- geos.orig/macros/ac_pkg_swig.m4	2011-07-18 13:20:22.000000000 +0200
+++ geos/macros/ac_pkg_swig.m4	2011-07-18 13:54:31.000000000 +0200
@@ -24,6 +24,9 @@
 dnl @author Andrew Collier <abcollier@yahoo.com>
 dnl @version 2004-09-20
 dnl @license GPLWithACException
+dnl
+dnl Fixed by Sandro Santilli to consider 2.0.0 > 1.3.37 (2010-06-15)
+dnl
 
 AC_DEFUN([AC_PROG_SWIG],[
         AC_PATH_PROG([SWIG],[swig])
@@ -67,9 +70,9 @@
                         if test -z "$available_patch" ; then
                                 [available_patch=0]
                         fi
-                        if test $available_major -ne $required_major \
-                                -o $available_minor -ne $required_minor \
-                                -o $available_patch -lt $required_patch ; then
+			[required_full=`printf %2.2d%2.2d%2.2d%2.2d $required_major $required_minor $required_patch]`
+			[available_full=`printf %2.2d%2.2d%2.2d%2.2d $available_major $available_minor $available_patch]`
+                        if test $available_full -lt $required_full; then
                                 AC_MSG_WARN([SWIG version >= $1 is required.  You have $swig_version.  You should look at http://www.swig.org])
                                 SWIG=''
                         else
Index: geos/configure
===================================================================
--- geos.orig/configure	2011-07-18 13:20:22.000000000 +0200
+++ geos/configure	2011-07-18 13:55:27.000000000 +0200
@@ -16544,9 +16544,9 @@
                         if test -z "$available_patch" ; then
                                 available_patch=0
                         fi
-                        if test $available_major -ne $required_major \
-                                -o $available_minor -ne $required_minor \
-                                -o $available_patch -lt $required_patch ; then
+			            required_full=`printf %2.2d%2.2d%2.2d%2.2d $required_major $required_minor $required_patch`
+			            available_full=`printf %2.2d%2.2d%2.2d%2.2d $available_major $available_minor $available_patch`
+                        if test $available_full -lt $required_full; then
                                 { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: SWIG version >= 1.3.28 is required.  You have $swig_version.  You should look at http://www.swig.org" >&5
 $as_echo "$as_me: WARNING: SWIG version >= 1.3.28 is required.  You have $swig_version.  You should look at http://www.swig.org" >&2;}
                                 SWIG=''
