--- m4/ac_pkg_swig.m4	2007-02-09 18:32:41.000000000 +0100
+++ m4/ac_pkg_swig.m4	2011-05-26 11:25:08.995022389 +0200
@@ -64,6 +64,20 @@
 #   may extend this special exception to the GPL to apply to your
 #   modified version as well.
 
+AC_DEFUN([SWIG_VERSION_GOOD],[
+	AC_MSG_NOTICE([SWIG executable is '$SWIG'])
+        SWIG_LIB=`$SWIG -swiglib`
+        AC_MSG_NOTICE([SWIG library directory is '$SWIG_LIB'])
+        SWIG_VERSION=`echo $(( $available_major * 100 * 100 + $available_minor * 100 + $available_patch ))`
+        AC_MSG_NOTICE([SWIG version is '$SWIG_VERSION'])
+        # AM_CONDITIONAL(SWIG_NEW_OPTIONS, test "$SWIG_VERSION" \> 10331)
+])
+
+AC_DEFUN([SWIG_VERSION_BAD],[
+	AC_MSG_WARN([SWIG version >= $1 is required.  You have $swig_version.  You should look at http://www.swig.org])
+        SWIG='echo "Error: SWIG version >= $1 is required.  You have '"$swig_version"'.  You should look at http://www.swig.org" ; false'
+])
+
 AC_DEFUN([AC_PROG_SWIG],[
         AC_PATH_PROG([SWIG],[swig])
         if test -z "$SWIG" ; then
@@ -106,16 +120,44 @@
                         if test -z "$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
-                                AC_MSG_WARN([SWIG version >= $1 is required.  You have $swig_version.  You should look at http://www.swig.org])
-                                SWIG='echo "Error: SWIG version >= $1 is required.  You have '"$swig_version"'.  You should look at http://www.swig.org" ; false'
-                        else
-                                AC_MSG_NOTICE([SWIG executable is '$SWIG'])
-                                SWIG_LIB=`$SWIG -swiglib`
-                                AC_MSG_NOTICE([SWIG library directory is '$SWIG_LIB'])
-                        fi
+
+
+ 
+			if test $available_major -gt $required_major; then  
+				# the available major is greater than  required major --GOOD
+				SWIG_VERSION_GOOD()	
+                         
+			elif test $available_major -lt $required_major ; then  
+				# the avialable major is less than required major -- BAD
+				SWIG_VERSION_BAD()
+			else  
+				# the available and require major are equal check the minor and patch versions.
+				
+				if test $available_minor -gt $required_minor ; then 
+					# GOOD
+					SWIG_VERSION_GOOD()
+				elif test $avaialble_minor -lt $required_minor ; then  
+					# BAD
+					SWIG_VERSION_BAD()
+				else  
+					# the minor version are also equal
+
+					if test $available_patch -gt $required_patch ; then   
+						# GOOD						
+					 	SWIG_VERSION_GOOD()
+					elif test $available_minor -lt $required_minor ; then 
+						# BAD
+						SWIG_VERSION_BAD()
+					else 
+						# all the available major, minor and patch levels are the same as the required -- GOOD
+						SWIG_VERSION_GOOD()
+					fi
+				fi
+			fi	
+	
+	
+                               
+
                 else
                         AC_MSG_WARN([cannot determine SWIG version])
                         SWIG='echo "Error: Cannot determine SWIG version.  You should look at http://www.swig.org" ; false'