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[4.3 net 2]: If _VA_LIST_, is undefined then va_list is already declared.

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From-SVN: r2671
This commit is contained in:
Richard Stallman 1992-10-31 21:41:35 +00:00
parent d9832c78fc
commit 563701f9dc
1 changed files with 22 additions and 7 deletions
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29
gcc/ginclude/varargs.h
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@ -119,23 +119,38 @@ typedef __gnuc_va_list va_list;
#else /* not __SVR4_2__ */
/* On 4.3bsd-net2, make sure ansi.h is included, so we have
one less case to deal with in the following. */
#if defined (__BSD_NET2__) || defined (____386BSD____)
#include <ansi.h>
#endif
/* In 4.3bsd-net2, machine/ansi.h defines these symbols, which remain
defined as long as the corresponding type is *not* defined. */
#ifdef _ANSI_H_
#ifndef _VA_LIST_
#define _VA_LIST
#endif
#undef _VA_LIST_
#endif /* _ANSI_H_ */
/* The macro _VA_LIST_ is the same thing used by this file in Ultrix. */
/* However, 4.3bsd-net2 uses it in a completely different way.
So if we are in 4.3bsd-net2, pay no attention to _VA_LIST_. */
#if ! defined (_VA_LIST_) || defined (_ANSI_H_) || defined (__BSD_NET2__) || defined (____386BSD____)
#ifndef _VA_LIST_
/* The macro _VA_LIST is used in SCO Unix 3.2. */
#ifndef _VA_LIST
#if !(defined (_ANSI_H_) || defined (__BSD_NET2__) || defined (____386BSD____))
/* Don't mess with _VA_LIST_ at all, on 4.3bsd-net2. */
#define _VA_LIST_
#endif /* not net2 */
#define _VA_LIST
typedef __gnuc_va_list va_list;
#endif /* not _VA_LIST */
#endif /* not _VA_LIST_ (or _ANSI_H_) */
#endif /* not _VA_LIST_ */
#endif /* not __SVR4_2__ */
/* On 4.3bsd-net2, leave _VA_LIST_ undef to indicate va_list is defined. */
#ifdef _ANSI_H_
#undef _VA_LIST_
#endif
/* The next BSD release (if there is one) wants this symbol to be
undefined instead of _VA_LIST_. */
#ifdef _BSD_VA_LIST