--- old/src/windows/transport/shmem/shmem_md.c	2012-09-06 09:38:25.000000000 -0700
+++ new/src/windows/transport/shmem/shmem_md.c	2012-09-06 09:38:25.000000000 -0700
@@ -30,6 +30,11 @@
 #include "sysShmem.h"
 #include "shmemBase.h"  /* for exitTransportWithError */
 
+/* Use THIS_FILE when it is available. */
+#ifndef THIS_FILE
+    #define THIS_FILE __FILE__
+#endif
+
 /*
  * These functions are not completely universal. For now, they are used
  * exclusively for Jbug's shared memory transport mechanism. They have
@@ -44,7 +49,7 @@
     if (!(expression)) {                \
             exitTransportWithError \
             ("\"%s\", line %d: assertion failure\n", \
-             __FILE__, __DATE__, __LINE__); \
+             THIS_FILE, __DATE__, __LINE__); \
     }                                   \
 }
 #else