--- mplib-beta-1.110-orig/src/texk/web2c/mpdir/mpost.w	2008-11-27 08:56:39.000000000 -0500
+++ mplib-beta-1.110-orig/src/texk/web2c/mpdir/mpost.w	2010-01-27 03:12:47.985314228 -0500
@@ -51,7 +51,9 @@ 
 #endif
 #include <kpathsea/kpathsea.h>
 extern char *kpathsea_version_string;
+#ifndef kpse_program_name
 extern string kpse_program_name;
+#endif
 @= /*@@null@@*/ @> static char *mpost_tex_program = NULL;
 static int debug = 0; /* debugging for makempx */
 #ifdef WIN32