From: Guillermo J. Rozas <edu/mit/csail/zurich/gjr>
Date: Sat, 18 Apr 1992 00:27:35 +0000 (+0000)
Subject: Prevent multiple definition of true and false.
X-Git-Tag: 20090517-FFI~9473
X-Git-Url: https://birchwood-abbey.net/git?a=commitdiff_plain;h=f9316068724db7ad337fb7efaf791afd18315a34;p=mit-scheme.git

Prevent multiple definition of true and false.
---

diff --git a/v7/src/microcode/comlin.h b/v7/src/microcode/comlin.h
index 9dbc793d6..17888655f 100644
--- a/v7/src/microcode/comlin.h
+++ b/v7/src/microcode/comlin.h
@@ -1,6 +1,6 @@
 /* -*-C-*-
 
-Copyright (c) 1987-92 Massachusetts Institute of Technology
+Copyright (c) 1987-1992 Massachusetts Institute of Technology
 
 This material was developed by the Scheme project at the Massachusetts
 Institute of Technology, Department of Electrical Engineering and
@@ -30,7 +30,7 @@ Technology nor of any adaptation thereof in any advertising,
 promotional, or sales literature without prior written consent from
 MIT in each case. */
 
-/* $Header: /Users/cph/tmp/foo/mit-scheme/mit-scheme/v7/src/microcode/comlin.h,v 1.4 1992/01/15 17:17:27 jinx Exp $
+/* $Header: /Users/cph/tmp/foo/mit-scheme/mit-scheme/v7/src/microcode/comlin.h,v 1.5 1992/04/18 00:27:35 jinx Exp $
  *
  * This file contains definitions for the scheme command parser.
  *
@@ -42,9 +42,13 @@ MIT in each case. */
 #include "ansidecl.h"
 
 #ifndef boolean
-#define boolean	int
-#define true	1
-#define false	0
+#  define boolean	int
+#endif
+#ifndef true
+#  define true		1
+#endif
+#ifndef false
+#  define false		0
 #endif
 
 typedef char *string;