From: Guillermo J. Rozas <edu/mit/csail/zurich/gjr>
Date: Sun, 21 Feb 1993 01:09:48 +0000 (+0000)
Subject: 386BSD defines all the _SC_..., it just doesn't have sysconf.
X-Git-Tag: 20090517-FFI~8490
X-Git-Url: https://birchwood-abbey.net/git?a=commitdiff_plain;h=ef905bf78880b912263def81b46e037c4b3a0b05;p=mit-scheme.git

386BSD defines all the _SC_..., it just doesn't have sysconf.
---

diff --git a/v7/src/microcode/ux.h b/v7/src/microcode/ux.h
index d35caa3e4..789139240 100644
--- a/v7/src/microcode/ux.h
+++ b/v7/src/microcode/ux.h
@@ -1,6 +1,6 @@
 /* -*-C-*-
 
-$Id: ux.h,v 1.43 1993/02/20 07:00:36 gjr Exp $
+$Id: ux.h,v 1.44 1993/02/21 01:09:48 gjr Exp $
 
 Copyright (c) 1988-1993 Massachusetts Institute of Technology
 
@@ -1093,7 +1093,9 @@ extern int EXFUN (UX_sigsuspend, (CONST sigset_t * set));
 
 extern long EXFUN (fpathconf, (int, int));
 
+#ifndef _PC_VDISABLE
 # define _PC_VDISABLE		8
+#endif
 
 #endif /* EMULATE_FPATHCONF */
 
@@ -1103,12 +1105,18 @@ extern long EXFUN (sysconf, (int));
 
 /* These values match HP-UX, and the index in the table in the 
    OSF/1 Programmer's reference.
+
+   Note: The code assumes that if one is present, the rest
+   are too.  Otherwise there is no simple way to guarantee
+   that non-conflicting values have been chosen.
  */
 
+#ifndef _SC_CHILD_MAX
 # define _SC_CHILD_MAX		1
 # define _SC_CLK_TCK		2
 # define _SC_OPEN_MAX		4
 # define _SC_JOB_CONTROL	5
+#endif
 
 #endif /* EMULATE_SYSCONF */