Remove Geos 3.4 guards

References #4069
Closes #4142
Closes #284


git-svn-id: http://svn.osgeo.org/postgis/trunk@16681 b70326c6-7e19-0410-871a-916f4a2858ee

configure.ac

@@ -1181,9 +1181,6 @@ if test "x$with_topology" != "xno"; then
 
     TOPOLOGY="topology"
     AC_MSG_RESULT([TOPOLOGY: Topology support requested])
-	if test "$GEOS_NUMERIC_VERSION" -lt 30302; then
-		AC_MSG_ERROR([Topology requires GEOS version >= 3.3.2. Use --without-topology or install a newer GEOS.])
-	fi
 else
     AC_MSG_RESULT([TOPOLOGY: Topology support disabled])
 fi

liblwgeom/cunit/cu_triangulate.c

@@ -18,7 +18,6 @@
 
 static void test_lwgeom_delaunay_triangulation(void)
 {
-#if POSTGIS_GEOS_VERSION >= 34
 	LWGEOM *in, *tmp, *out;
 	char *wkt, *exp_wkt;
 
@@ -42,8 +41,6 @@ static void test_lwgeom_delaunay_triangulation(void)
 	}
 	CU_ASSERT_STRING_EQUAL(wkt, exp_wkt);
 	lwfree(wkt);
-
-#endif /* POSTGIS_GEOS_VERSION >= 34 */
 }
 
 static void test_lwgeom_voronoi_diagram(void)

regress/Makefile.in

@@ -192,34 +192,21 @@ TESTS += \
 	clean \
 	relate_bnr
 
+# GEOS-3.4 adds:
+# ST_DelaunayTriangles
+TESTS += \
+	delaunaytriangles
 
-ifeq ($(shell expr $(POSTGIS_GEOS_VERSION) ">=" 34),1)
-	# GEOS-3.4 adds:
-	# ST_DelaunayTriangles
-	TESTS += \
-		delaunaytriangles
-endif
 
 
 ifeq ($(INTERRUPTTESTS),yes)
 	# Allow CI servers to configure --with-interrupt-tests
 	TESTS += \
-  	interrupt
-
-ifeq ($(shell expr $(GEOS_NUMERIC_VERSION) ">=" 30403),1)
-	TESTS += \
-		interrupt_relate
-endif
-
-ifeq ($(shell expr $(POSTGIS_GEOS_VERSION) ">=" 34),1)
-	# GEOS-3.4 adds:
-	# ST_DelaunayTriangles
-	TESTS += \
+		interrupt \
+		interrupt_relate \
 		interrupt_buffer
 endif
 
-endif
-
 
 ifeq ($(shell expr $(POSTGIS_GEOS_VERSION) ">=" 35),1)
 	# GEOS-3.5 adds: