Index: raster/r.terraflow/stats.h
===================================================================
--- raster/r.terraflow/stats.h	(revision 56936)
+++ raster/r.terraflow/stats.h	(working copy)
@@ -22,6 +22,16 @@
 
 #include <sys/types.h>
 
+/* http://gcc.gnu.org/ml/gcc-patches/2012-09/msg01957.html */
+#if defined(_AIX) && defined(_LARGE_FILES)
+#include <fcntl.h>
+#undef open
+/* Alias the symbols using asm */
+extern "C" {
+extern int open(const char *, int, ...) __asm__("open64");
+}
+#endif
+
 #include <fstream>
 #include <iostream>
 using namespace std;