--- libgeos/geos/src/io/WKTWriter_old.cpp	2014-07-19 14:38:55.000000000 -0600
+++ libgeos/geos/src/io/WKTWriter.cpp	2014-07-19 14:38:31.000000000 -0600
@@ -40,6 +40,7 @@
 #include <cassert>
 #include <cmath>
 #include <iomanip>
+#include <algorithm>
 
 using namespace std;
 using namespace geos::geom;