gcc/fixinc/genfixes

   1 #! /bin/sh
   2
   3 # Copyright (C) 1999, 2000 Free Software Foundation, Inc.
   4 # This file is part of GNU CC.
   5
   6 # GNU CC 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 # GNU CC 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 GNU CC; 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
  21 SHELL=/bin/sh
  22 export SHELL
  23 if [ $# -eq 0 ] ; then
  24   not_done=false
  25 else
  26   not_done=true
  27 fi
  28
  29 while $not_done
  30 do
  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 "       inclhack.sh fixincl.x fixincl.sh 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
  60 done
  61
  62 if [ $# -eq 0 ] ; then
  63   ${SHELL} $0 $AG inclhack.sh || exit 1
  64   ${SHELL} $0 $AG fixincl.x   || exit 1
  65   ${SHELL} $0 $AG fixincl.sh  || exit 1
  66   exit 0
  67 fi
  68
  69 AG="autogen $AG"
  70 set -e
  71
  72 case "$1" in
  73 inclhack.sh )
  74   if (autogen --help > /dev/null 2>&1)
  75   then
  76     echo AutoGen-ing inclhack.sh
  77     $AG inclhack.def
  78   else
  79     echo "AutoGen does not appear to be correctly installed."
  80     echo "Please download and install:"
  81     echo "   ftp://sourceware.cygnus.com/pub/egcs/infrastructure/autogen.tar.gz"
  82     touch inclhack.sh
  83   fi
  84   ;;
  85
  86 fixincl.x )
  87   if (autogen --help > /dev/null 2>&1)
  88   then
  89     echo AutoGen-ing fixincl.x
  90     $AG -T fixincl.tpl -b fixincl inclhack.def
  91   else
  92     echo "AutoGen does not appear to be correctly installed."
  93     echo "Please download and install:"
  94     echo "   ftp://sourceware.cygnus.com/pub/egcs/infrastructure/autogen.tar.gz"
  95     touch fixincl.x
  96   fi
  97   ;;
  98
  99 fixincl.sh )
 100   if (autogen --help > /dev/null 2>&1)
 101   then
 102     echo AutoGen-ing fixincl.sh
 103     $AG -DPROGRAM=1 -b fixincl inclhack.def
 104   else
 105     echo "AutoGen does not appear to be correctly installed."
 106     echo "Please download and install:"
 107     echo "   ftp://sourceware.cygnus.com/pub/egcs/infrastructure/autogen.tar.gz"
 108     touch fixincl.sh
 109   fi
 110   ;;
 111
 112 machname.h )
 113   # This script extracts from the specs file all the predefined macros
 114   # that are not in the C89 reserved namespace (the reserved namespace
 115   # is all identifiers beginnning with two underscores or one underscore
 116   # followed by a capital letter).  The specs file is on standard input.
 117   # A #define for a regular expression to find any of those macros in a
 118   # header file is written to standard output.
 119
 120   # Note dependency on ASCII. \040 = space, \011 = tab, \012 = newline.
 121   # tr ' ' '\n' is, alas, not portable.
 122
 123   tr -s '\040\011' '\012\012' < ../specs |
 124     sed -n 's/^.*-D\([a-zA-Z_][a-zA-Z0-9_]*\).*$/\1/p' |
 125     sort -u > mn.T
 126
 127   if grep -v '^_[_A-Z]' mn.T > mn.U
 128   then
 129     echo "Forbidden identifiers: `tr '\012' ' ' <mn.U`" >&2
 130     sed 's/^/\\\\</; s/$/\\\\>/' <mn.U | tr '\012' '|' > mn.V
 131     echo '' >>mn.V
 132     sed 's/^/#define MN_NAME_PAT "/; s/|$/"/' < mn.V > machname.T
 133   else
 134     echo "No forbidden identifiers defined by this target" >&2
 135     echo '#undef MN_NAME_PAT' > machname.T
 136   fi
 137   rm -f mn.[TUV]
 138   mv -f machname.T machname.h
 139   ;;
 140
 141 * )
 142   echo genfixes cannot create $1
 143   exit 1
 144   ;;
 145 esac
 146
 147 exit 0