1#! /bin/sh
2
3# Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc.
4# This file is part of GCC.
5
6# GCC is free software; you can redistribute it and/or modify
7# it under the terms of the GNU General Public License as published by
8# the Free Software Foundation; either version 2, or (at your option)
9# any later version.
10
11# GCC is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14# GNU General Public License for more details.
15
16# You should have received a copy of the GNU General Public License
17# along with GCC; see the file COPYING.  If not, write to
18# the Free Software Foundation, 59 Temple Place - Suite 330,
19# Boston, MA 02111-1307, USA.
20
21SHELL=/bin/sh
22export SHELL
23if [ $# -eq 0 ] ; then
24  not_done=false
25else
26  not_done=true
27fi
28
29while $not_done
30do
31  case "$1" in
32  -D )
33    shift
34    if [ $# -eq 0 ] ; then
35      not_done=false
36    else
37      AG="$AG -D$1"
38      shift
39    fi
40    ;;
41
42  -D* )
43    AG="$AG $1"
44    shift
45    ;;
46
47  '-?' )
48    echo "USAGE: gendefs [ -D<def-name> ... ] [ <output-name> ]"
49    echo "WHERE: '<def-name>' specifies a #define test name from inclhack.def"
50    echo "  and  '<output-name>' is one of:"
51    echo "       fixincl.x machine.h"
52    echo "The default is to produce the first three outputs."
53    exit 0
54    ;;
55
56  * )
57    not_done=false
58    ;;
59  esac
60done
61
62if [ $# -eq 0 ] ; then
63  set -- fixincl.x
64fi
65
66AG="autogen $AG"
67set -e
68
69case "$1" in
70fixincl.x | */fixincl.x )
71  if [ -z "`${AG} -v | fgrep 'Ver. 5.'`" ]
72  then
73    echo "AutoGen appears to be out of date or not correctly installed."
74    echo "Please download and install:"
75    echo "   ftp://gcc.gnu.org/pub/gcc/infrastructure/autogen.tar.gz"
76    touch fixincl.x
77  else
78echo AutoGen-ing fixincl.x
79    $AG inclhack.def
80  fi
81  ;;
82
83machname.h | */machname.h )
84  # This script extracts from the specs file all the predefined macros
85  # that are not in the C89 reserved namespace (the reserved namespace
86  # is all identifiers beginnning with two underscores or one underscore
87  # followed by a capital letter).  The specs file is on standard input.
88  # A #define for a regular expression to find any of those macros in a
89  # header file is written to standard output.
90
91  # Note dependency on ASCII. \040 = space, \011 = tab, \012 = newline.
92  # tr ' ' '\n' is, alas, not portable.
93
94  tr -s '\040\011' '\012\012' < ../specs |
95    sed -n 's/^.*-D\([a-zA-Z_][a-zA-Z0-9_]*\).*$/\1/p' |
96    sort -u > mn.T
97
98  if grep -v '^_[_A-Z]' mn.T > mn.U
99  then
100    echo "Forbidden identifiers: `tr '\012' ' ' <mn.U`" >&2
101    sed 's/^/\\\\</; s/$/\\\\>/' <mn.U | tr '\012' '|' > mn.V
102    echo '' >>mn.V
103    sed 's/^/#define MN_NAME_PAT "/; s/|$/"/' < mn.V > machname.T
104  else
105    echo "No forbidden identifiers defined by this target" >&2
106    echo '#undef MN_NAME_PAT' > machname.T
107  fi
108  rm -f mn.[TUV]
109  mv -f machname.T machname.h
110  ;;
111
112* )
113  echo genfixes cannot create $1
114  exit 1
115  ;;
116esac
117
118exit 0
119