From: Henry M. Wu <edu/mit/csail/zurich/mhwu>
Date: Sat, 29 Feb 1992 19:09:48 +0000 (+0000)
Subject: Allow conditional use of CONST even in ANSI C mode because some
X-Git-Tag: 20090517-FFI~9635
X-Git-Url: https://birchwood-abbey.net/git?a=commitdiff_plain;h=35b85cd57d541cf55c5789334bf38289be29acac;p=mit-scheme.git

Allow conditional use of CONST even in ANSI C mode because some
compilers (DOS Zortech) don't declare their libraries correctly
although they are allegedly ANSI compatible.
---

diff --git a/v7/src/microcode/ansidecl.h b/v7/src/microcode/ansidecl.h
index 978646f05..768fe1b35 100644
--- a/v7/src/microcode/ansidecl.h
+++ b/v7/src/microcode/ansidecl.h
@@ -61,11 +61,18 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 
 #define	AND		,
 #define	NOARGS		void
-#define	CONST		const
 #define	VOLATILE	volatile
 #define	SIGNED		signed
 #define	DOTS		, ...
 
+/* Some systems don't declare their libraries correctly, making CONST
+   impossible to have. */
+#ifdef NO_CONST
+#define CONST
+#else
+#define	CONST		const
+#endif
+
 #define	EXFUN(name, proto)		name proto
 #define	DEFUN(name, arglist, args)	name(args)
 #define	DEFUN_VOID(name)		name(NOARGS)