Enable compilation using GEOS 3 as well as GEOS 2.

git-svn-id: http://svn.osgeo.org/qgis/trunk@6274 c8812cc2-4d05-0410-92ff-de0c093fc19c

Author: telwertowski

acinclude.m4

@@ -91,8 +91,8 @@ if test x${GEOS_CONFIG} = xno ; then
   AC_MSG_ERROR([geos-config not found! Supply it with --with-geos=PATH])
 else
   ac_geos_version=`${GEOS_CONFIG} --version`
-  if test `echo ${ac_geos_version} | sed -e 's#2\.[0-9].*#OK#'` != OK ; then
-    AC_MSG_ERROR([Geos Version 2.x.x is needed, but you have $ac_geos_version!])
+  if test `echo ${ac_geos_version} | sed -e 's#[2-9]\.[0-9].*#OK#'` != OK ; then
+    AC_MSG_ERROR([Geos Version 2.x.x or greater is needed, but you have $ac_geos_version!])
   else
     AC_MSG_CHECKING([GEOS_CFLAGS])
     GEOS_CFLAGS=`$GEOS_CONFIG --cflags` 

src/core/qgsfeature.cpp

@@ -818,9 +818,9 @@ void QgsFeature::resetDirty()
 // {
 //     bool returnval=false;
 // 
-//     geos::GeometryFactory *gf = new geos::GeometryFactory();
-//     geos::WKTReader *wktReader = new geos::WKTReader(gf);
-//     geos::Geometry *geosGeom = wktReader->read( qstrdup(wellKnownText()) );
+//     GEOS_GEOM::GeometryFactory *gf = new GEOS_GEOM::GeometryFactory();
+//     GEOS_IO::WKTReader *wktReader = new GEOS_IO::WKTReader(gf);
+//     GEOS_GEOM::Geometry *geosGeom = wktReader->read( qstrdup(wellKnownText()) );
 // 
 //     //write the selection rectangle to wkt by hand
 //     QString rectwkt="POLYGON((";
@@ -845,7 +845,7 @@ void QgsFeature::resetDirty()
 //     rectwkt+=QString::number(r->yMin(),'f',3);
 //     rectwkt+="))";
 //     
-//     geos::Geometry *geosRect = wktReader->read( qstrdup(rectwkt) );
+//     GEOS_GEOM::Geometry *geosRect = wktReader->read( qstrdup(rectwkt) );
 //     if(geosGeom->intersects(geosRect))
 //     {
 // 	returnval=true;
@@ -1655,7 +1655,7 @@ QgsRect QgsFeature::boundingBox() const
 // }
 // 
 
-geos::Geometry* QgsFeature::geosGeometry() const
+GEOS_GEOM::Geometry* QgsFeature::geosGeometry() const
 {
   return mGeometry->geosGeometry();
 }

src/core/qgsfeature.h

@@ -235,7 +235,7 @@ class QgsFeature {
      /** Creates a geos geometry from this features geometry. Note, that the returned object needs to be deleted.
          @note  This function is deprecated - use geometry()->geosGeometry() instead.
       */
-     geos::Geometry* geosGeometry() const;
+     GEOS_GEOM::Geometry* geosGeometry() const;
 
   private: