Convert MISSING_SYSCONF to !HAVE_SYSCONF for autoconf

From: Keith Parks

src/backend/storage/file/fd.c

@@ -6,7 +6,7 @@
  * Copyright (c) 1994, Regents of the University of California
  *
  * IDENTIFICATION
- *    $Id: fd.c,v 1.13 1997/01/13 01:25:29 scrappy Exp $
+ *    $Id: fd.c,v 1.14 1997/01/27 00:09:43 scrappy Exp $
  *
  * NOTES:
  *
@@ -196,7 +196,7 @@ pg_nofile(void)
         static long no_files = 0;
 
         if (no_files == 0) {
-#if defined(MISSING_SYSCONF)
+#ifndef HAVE_SYSCONF 
 		no_files = (long)NOFILE;
 #else
                 no_files = sysconf(_SC_OPEN_MAX);
@@ -204,7 +204,7 @@ pg_nofile(void)
         		elog(DEBUG,"pg_nofile: Unable to get _SC_OPEN_MAX using sysconf() using (%d)", NOFILE);
 			no_files = (long)NOFILE;
 		}
-#endif /* MISSING_SYSCONF */
+#endif 
         }
 
 	if ((no_files - RESERVE_FOR_LD) < FD_MINFREE)

src/include/config.h

@@ -35,6 +35,7 @@
 #define HAVE_CBRT
 #define HAVE_RINT
 #define HAVE_GETRUSAGE
+#define HAVE_SYSCONF
 
 #if defined(aix)
 #  undef HAVE_SYS_SELECT_H
@@ -151,6 +152,7 @@
 #endif
 
 #if defined(nextstep)
+# undef HAVE_SYSCONF
 # undef HAVE_VALUES_H
 # include <sys/ioctl.h>
 # if defined(__STRICT_ANSI__)