SETUP/config/externs.c

   1 /*
   2  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * "Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
   7  * Reserved.  This file contains Original Code and/or Modifications of
   8  * Original Code as defined in and that are subject to the Apple Public
   9  * Source License Version 1.0 (the 'License').  You may not use this file
  10  * except in compliance with the License.  Please obtain a copy of the
  11  * License at http://www.apple.com/publicsource and read it before using
  12  * this file.
  13  *
  14  * The Original Code and all software distributed under the License are
  15  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  16  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  17  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  19  * License for the specific language governing rights and limitations
  20  * under the License."
  21  *
  22  * @APPLE_LICENSE_HEADER_END@
  23  */
  24 /* Copyright (c) Apple Computer, Inc. All rights reserved. */
  25
  26 #include <config.h>
  27
  28
  29 /*
  30  * Config has a global notion of which machine type is
  31  * being used.  It uses the name of the machine in choosing
  32  * files and directories.  Thus if the name of the machine is ``vax'',
  33  * it will build from ``Makefile.vax'' and use ``../vax/inline''
  34  * in the makerules, etc.
  35  */
  36 int     machine;
  37 const char      *machinename;
  38
  39 /*
  40  * For each machine, a set of CPU's may be specified as supported.
  41  * These and the options (below) are put in the C flags in the makefile.
  42  */
  43
  44 struct cputype  *cputype;
  45
  46 /*
  47  * In order to configure and build outside the kernel source tree,
  48  * we may wish to specify where the source tree lives.
  49  */
  50 const char *source_directory;
  51 const char *object_directory;
  52 char *config_directory;
  53
  54 /*
  55  * A set of options may also be specified which are like CPU types,
  56  * but which may also specify values for the options.
  57  * A separate set of options may be defined for make-style options.
  58  */
  59 struct opt *opt, *mkopt, *opt_tail, *mkopt_tail;
  60
  61 char    *ident;
  62
  63 int     do_trace;
  64
  65 #if     MACHINE_VAX
  66 int     seen_mba, seen_uba;
  67 #endif
  68
  69 int     seen_vme, seen_mbii;
  70
  71 struct  device *dtab;
  72
  73 char    errbuf[80];
  74 int     yyline;
  75
  76 struct  file_list *ftab, *conf_list, **confp;
  77 char    *build_directory;
  78
  79 int     profiling = 0;
  80
  81 int     maxusers;
  82