diff -u libg++-2.7.1/libg++/gperf/src/options.h libgp271/libg++/gperf/src/options.h
--- libg++-2.7.1/libg++/gperf/src/options.h	Sat Jun 17 00:31:06 1995
+++ libgp271/libg++/gperf/src/options.h	Sun Jun 23 17:09:58 1996
@@ -71,6 +71,11 @@
   MAX_KEY_POS = 128 - 1,    /* Max size of each word's key set. */
   WORD_START = 1,           /* Signals the start of a word. */
   WORD_END = 0,             /* Signals the end of a word. */
+#if (defined atarist) || (defined __MINT__)
+#ifdef EOS
+#undef EOS
+#endif
+#endif
   EOS = MAX_KEY_POS         /* Signals end of the key list. */
 };
 
