Re: misc/54581: Issues building NetBSD-9 under NetBSD-5.2

[Brian Buhrow <buhrow%nfbcal.org@localhost>]

The following reply was made to PR misc/54581; it has been noted by GNATS.

From: Brian Buhrow <buhrow%nfbcal.org@localhost>
To: gnats-bugs%netbsd.org@localhost
Cc: buhrow%nfbcal.org@localhost
Subject: Re: misc/54581: Issues building NetBSD-9 under NetBSD-5.2
Date: Fri, 27 Sep 2019 17:27:52 -0700

 	hello.  Here is a better patch that allows us to get past the first
 build issue.  What do folks think of this?
 -thanks
 -Brian
 
 Index: compat_defs.h
 ===================================================================
 RCS file: /cvsroot/src/tools/compat/compat_defs.h,v
 retrieving revision 1.116
 diff -u -r1.116 compat_defs.h
 --- compat_defs.h	19 Jun 2019 23:33:07 -0000	1.116
 +++ compat_defs.h	28 Sep 2019 00:22:42 -0000
 @@ -1,4 +1,4 @@
 -/*	$NetBSD$	*/
 +/*	$NetBSD: compat_defs.h,v 1.116 2019/06/19 23:33:07 kamil Exp $	*/
  
  #ifndef	__NETBSD_COMPAT_DEFS_H__
  #define	__NETBSD_COMPAT_DEFS_H__
 @@ -118,6 +118,15 @@
  
  #if HAVE_SYS_CDEFS_H
  #include <sys/cdefs.h>
 +/* 
 + * __CTASSERT isn't defined until NetBSD-6, allow builds that want it
 + * to build on NetBSD-5 and older.
 + */
 +#if (defined(__NetBSD_Version__) && __NetBSD_Version__ < 600000000)
 +#define	__CTASSERT(x)		__CTASSERT0(x, __ctassert, __LINE__)
 +#define	__CTASSERT0(x, y, z)	__CTASSERT1(x, y, z)
 +#define	__CTASSERT1(x, y, z)	typedef char y ## z[/*CONSTCOND*/(x) ? 1 : -1]
 +#endif /*__NetBSD__*/
  #endif
  #if HAVE_SYS_SYSLIMITS_H
  #include <sys/syslimits.h>