From eae92d827e25a4ea7ce36da6690c876e532ea0b9 Mon Sep 17 00:00:00 2001
From: Richard Stallman <rms@gnu.org>
Date: Sat, 17 Oct 1992 07:39:31 +0000
Subject: (va_list) [__SVR4_2__]: Don't set or test _VA_LIST.

From-SVN: r2500
---
 gcc/ginclude/varargs.h | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'gcc/ginclude/varargs.h')

diff --git a/gcc/ginclude/varargs.h b/gcc/ginclude/varargs.h
index 7df05ae..ef2eeaf 100644
--- a/gcc/ginclude/varargs.h
+++ b/gcc/ginclude/varargs.h
@@ -115,6 +115,17 @@ typedef void *__gnuc_va_list;
 #undef _VA_LIST_
 #endif
 
+#ifdef __SVR4_2__
+
+/* SVR4.2 uses _VA_LIST for an internal alias for va_list,
+   so we must avoid testing it and setting it here.  */
+#ifndef _VA_LIST_
+#define _VA_LIST_
+typedef __gnuc_va_list va_list;
+#endif /* _VA_LIST_ */
+
+#else /* not __SVR4_2__ */
+
 /* The macro _VA_LIST_ is the same thing used by this file in Ultrix.  */
 #ifndef _VA_LIST_
 /* The macro _VA_LIST is used in SCO Unix 3.2.  */
@@ -125,6 +136,8 @@ typedef __gnuc_va_list va_list;
 #endif /* _VA_LIST */
 #endif /* _VA_LIST_ */
 
+#endif /* not __SVR4_2__ */
+
 /*  I think that in 4.3bsd-net2 there is some need
     to leave _VA_LIST_ undefined after.  I don't know why. -- rms.  */
 #ifdef _ANSI_H_
-- 
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