commit 7e4be3d354053bca65838c2c481a61d4d5c24a3b
Author: Ettore Di Giacinto <mudler@gentoo.org>
Date:   Tue May 23 20:12:20 2017 +0200

    Fix mapserver to build when TRUE macro is not defined

diff --git a/mapserver.h b/mapserver.h
index 32182fa0..19b1075c 100644
--- a/mapserver.h
+++ b/mapserver.h
@@ -78,6 +78,10 @@
 #include <stdint.h>
 #endif
 
+#ifndef TRUE
+#define TRUE 1
+#endif
+
 #ifdef _WIN32
 #ifndef SIZE_MAX
 #ifdef _WIN64