--- a/src/utils/ioapi.h.bak	2018-09-20 12:25:16.118605266 +0530
+++ b/src/utils/ioapi.h	2018-09-20 12:25:56.974424536 +0530
@@ -108,6 +108,10 @@
 extern "C" {
 #endif
 
+#ifdef _Z_OF
+#undef OF
+#define OF _Z_OF
+#endif
 
 #define ZLIB_FILEFUNC_SEEK_CUR (1)
 #define ZLIB_FILEFUNC_SEEK_END (2)