Recent versions of ultrix are mostly POSIX-compliant.

diff --git a/v7/src/microcode/oscond.h b/v7/src/microcode/oscond.h
index 7507c1e08215eb3147e55b5e5bec8c901462fc5c..9c3666e818f85c0a9bbeff93a653ff7452b5a657 100644 (file)
--- a/v7/src/microcode/oscond.h
+++ b/v7/src/microcode/oscond.h
@@ -1,6 +1,6 @@
 /* -*-C-*-
 
-$Header: /Users/cph/tmp/foo/mit-scheme/mit-scheme/v7/src/microcode/Attic/oscond.h,v 1.2 1990/07/30 23:14:24 jinx Exp $
+$Header: /Users/cph/tmp/foo/mit-scheme/mit-scheme/v7/src/microcode/Attic/oscond.h,v 1.3 1990/08/10 02:02:25 cph Rel $
 
 Copyright (c) 1990 Massachusetts Institute of Technology
 
@@ -85,6 +85,7 @@ MIT in each case. */
 #endif
 
 #if defined(_ULTRIX)
+#define _POSIX
 #define _BSD4_3
 #endif