From 81858331f5012847c6cfac776b19ad7c3b7a89dc Mon Sep 17 00:00:00 2001
From: roland <roland>
Date: Sat, 21 May 1994 20:27:18 +0000
Subject: [PATCH] [_POSIX_VERSION]: Don't #define POSIX #ifdef ultrix.

---
 make.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/make.h b/make.h
index 9515490..0405087 100644
--- a/make.h
+++ b/make.h
@@ -59,7 +59,9 @@ extern int errno;
 
 #ifdef	HAVE_UNISTD_H
 #include <unistd.h>
-#ifdef	_POSIX_VERSION
+/* Ultrix's unistd.h always defines _POSIX_VERSION, but you only get
+   POSIX.1 behavior with `cc -YPOSIX', which predefines POSIX itself!  */
+#if defined (_POSIX_VERSION) && !defined (ultrix)
 #define	POSIX
 #endif
 #endif
-- 
2.11.4.GIT