diff -r 55b2d2cb8b90 -r 8b3897a75aed src/rev.cpp.in
--- a/src/rev.cpp.in	Sun May 04 21:47:36 2008 +0000
+++ b/src/rev.cpp.in	Sun May 04 21:53:36 2008 +0000
@@ -3,6 +3,7 @@
 /** @file rev.cpp Autogenerated file with the revision and such of OpenTTD. */
 
 #include "stdafx.h"
+#include "rev.h"
 
 /**
  * The text version of OpenTTD's revision.
@@ -19,7 +20,7 @@
  * norev000 is for non-releases that are made on systems without
  * subversion or sources that are not a checkout of subversion.
  */
-extern const char _openttd_revision[] = "@@VERSION@@";
+const char _openttd_revision[] = "@@VERSION@@";
 
 /**
  * The NewGRF revision of OTTD:
@@ -34,7 +35,7 @@
  * final release will always have a lower version number than the released
  * version, thus making comparisions on specific revisions easy.
  */
-uint32 _openttd_newgrf_version = 0 << 28 | 7 << 24 | 0 << 20 | 0 << 19 | (@@REVISION@@ & ((1 << 19) - 1));
+const uint32 _openttd_newgrf_version = 0 << 28 | 7 << 24 | 0 << 20 | 0 << 19 | (@@REVISION@@ & ((1 << 19) - 1));
 
 #ifdef __MORPHOS__
 /**