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ipsec-tools 0.8.1

    1: #! /bin/sh
    2: # ylwrap - wrapper for lex/yacc invocations.
    3: 
    4: scriptversion=2011-08-25.18; # UTC
    5: 
    6: # Copyright (C) 1996, 1997, 1998, 1999, 2001, 2002, 2003, 2004, 2005,
    7: # 2007, 2009, 2010, 2011 Free Software Foundation, Inc.
    8: #
    9: # Written by Tom Tromey <tromey@cygnus.com>.
   10: #
   11: # This program is free software; you can redistribute it and/or modify
   12: # it under the terms of the GNU General Public License as published by
   13: # the Free Software Foundation; either version 2, or (at your option)
   14: # any later version.
   15: #
   16: # This program is distributed in the hope that it will be useful,
   17: # but WITHOUT ANY WARRANTY; without even the implied warranty of
   18: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   19: # GNU General Public License for more details.
   20: #
   21: # You should have received a copy of the GNU General Public License
   22: # along with this program.  If not, see <http://www.gnu.org/licenses/>.
   23: 
   24: # As a special exception to the GNU General Public License, if you
   25: # distribute this file as part of a program that contains a
   26: # configuration script generated by Autoconf, you may include it under
   27: # the same distribution terms that you use for the rest of that program.
   28: 
   29: # This file is maintained in Automake, please report
   30: # bugs to <bug-automake@gnu.org> or send patches to
   31: # <automake-patches@gnu.org>.
   32: 
   33: case "$1" in
   34:   '')
   35:     echo "$0: No files given.  Try \`$0 --help' for more information." 1>&2
   36:     exit 1
   37:     ;;
   38:   --basedir)
   39:     basedir=$2
   40:     shift 2
   41:     ;;
   42:   -h|--h*)
   43:     cat <<\EOF
   44: Usage: ylwrap [--help|--version] INPUT [OUTPUT DESIRED]... -- PROGRAM [ARGS]...
   45: 
   46: Wrapper for lex/yacc invocations, renaming files as desired.
   47: 
   48:   INPUT is the input file
   49:   OUTPUT is one file PROG generates
   50:   DESIRED is the file we actually want instead of OUTPUT
   51:   PROGRAM is program to run
   52:   ARGS are passed to PROG
   53: 
   54: Any number of OUTPUT,DESIRED pairs may be used.
   55: 
   56: Report bugs to <bug-automake@gnu.org>.
   57: EOF
   58:     exit $?
   59:     ;;
   60:   -v|--v*)
   61:     echo "ylwrap $scriptversion"
   62:     exit $?
   63:     ;;
   64: esac
   65: 
   66: 
   67: # The input.
   68: input="$1"
   69: shift
   70: case "$input" in
   71:   [\\/]* | ?:[\\/]*)
   72:     # Absolute path; do nothing.
   73:     ;;
   74:   *)
   75:     # Relative path.  Make it absolute.
   76:     input="`pwd`/$input"
   77:     ;;
   78: esac
   79: 
   80: pairlist=
   81: while test "$#" -ne 0; do
   82:   if test "$1" = "--"; then
   83:     shift
   84:     break
   85:   fi
   86:   pairlist="$pairlist $1"
   87:   shift
   88: done
   89: 
   90: # The program to run.
   91: prog="$1"
   92: shift
   93: # Make any relative path in $prog absolute.
   94: case "$prog" in
   95:   [\\/]* | ?:[\\/]*) ;;
   96:   *[\\/]*) prog="`pwd`/$prog" ;;
   97: esac
   98: 
   99: # FIXME: add hostname here for parallel makes that run commands on
  100: # other machines.  But that might take us over the 14-char limit.
  101: dirname=ylwrap$$
  102: do_exit="cd '`pwd`' && rm -rf $dirname > /dev/null 2>&1;"' (exit $ret); exit $ret'
  103: trap "ret=129; $do_exit" 1
  104: trap "ret=130; $do_exit" 2
  105: trap "ret=141; $do_exit" 13
  106: trap "ret=143; $do_exit" 15
  107: mkdir $dirname || exit 1
  108: 
  109: cd $dirname
  110: 
  111: case $# in
  112:   0) "$prog" "$input" ;;
  113:   *) "$prog" "$@" "$input" ;;
  114: esac
  115: ret=$?
  116: 
  117: if test $ret -eq 0; then
  118:   set X $pairlist
  119:   shift
  120:   first=yes
  121:   # Since DOS filename conventions don't allow two dots,
  122:   # the DOS version of Bison writes out y_tab.c instead of y.tab.c
  123:   # and y_tab.h instead of y.tab.h. Test to see if this is the case.
  124:   y_tab_nodot="no"
  125:   if test -f y_tab.c || test -f y_tab.h; then
  126:     y_tab_nodot="yes"
  127:   fi
  128: 
  129:   # The directory holding the input.
  130:   input_dir=`echo "$input" | sed -e 's,\([\\/]\)[^\\/]*$,\1,'`
  131:   # Quote $INPUT_DIR so we can use it in a regexp.
  132:   # FIXME: really we should care about more than `.' and `\'.
  133:   input_rx=`echo "$input_dir" | sed 's,\\\\,\\\\\\\\,g;s,\\.,\\\\.,g'`
  134: 
  135:   while test "$#" -ne 0; do
  136:     from="$1"
  137:     # Handle y_tab.c and y_tab.h output by DOS
  138:     if test $y_tab_nodot = "yes"; then
  139:       if test $from = "y.tab.c"; then
  140:         from="y_tab.c"
  141:       else
  142:         if test $from = "y.tab.h"; then
  143:           from="y_tab.h"
  144:         fi
  145:       fi
  146:     fi
  147:     if test -f "$from"; then
  148:       # If $2 is an absolute path name, then just use that,
  149:       # otherwise prepend `../'.
  150:       case "$2" in
  151:         [\\/]* | ?:[\\/]*) target="$2";;
  152:         *) target="../$2";;
  153:       esac
  154: 
  155:       # We do not want to overwrite a header file if it hasn't
  156:       # changed.  This avoid useless recompilations.  However the
  157:       # parser itself (the first file) should always be updated,
  158:       # because it is the destination of the .y.c rule in the
  159:       # Makefile.  Divert the output of all other files to a temporary
  160:       # file so we can compare them to existing versions.
  161:       if test $first = no; then
  162:         realtarget="$target"
  163:         target="tmp-`echo $target | sed s/.*[\\/]//g`"
  164:       fi
  165:       # Edit out `#line' or `#' directives.
  166:       #
  167:       # We don't want the resulting debug information to point at
  168:       # an absolute srcdir; it is better for it to just mention the
  169:       # .y file with no path.
  170:       #
  171:       # We want to use the real output file name, not yy.lex.c for
  172:       # instance.
  173:       #
  174:       # We want the include guards to be adjusted too.
  175:       FROM=`echo "$from" | sed \
  176:             -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'\
  177:             -e 's/[^ABCDEFGHIJKLMNOPQRSTUVWXYZ]/_/g'`
  178:       TARGET=`echo "$2" | sed \
  179:             -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'\
  180:             -e 's/[^ABCDEFGHIJKLMNOPQRSTUVWXYZ]/_/g'`
  181: 
  182:       sed -e "/^#/!b" -e "s,$input_rx,," -e "s,$from,$2," \
  183:           -e "s,$FROM,$TARGET," "$from" >"$target" || ret=$?
  184: 
  185:       # Check whether header files must be updated.
  186:       if test $first = no; then
  187:         if test -f "$realtarget" && cmp -s "$realtarget" "$target"; then
  188:           echo "$2" is unchanged
  189:           rm -f "$target"
  190:         else
  191:           echo updating "$2"
  192:           mv -f "$target" "$realtarget"
  193:         fi
  194:       fi
  195:     else
  196:       # A missing file is only an error for the first file.  This
  197:       # is a blatant hack to let us support using "yacc -d".  If -d
  198:       # is not specified, we don't want an error when the header
  199:       # file is "missing".
  200:       if test $first = yes; then
  201:         ret=1
  202:       fi
  203:     fi
  204:     shift
  205:     shift
  206:     first=no
  207:   done
  208: else
  209:   ret=$?
  210: fi
  211: 
  212: # Remove the directory.
  213: cd ..
  214: rm -rf $dirname
  215: 
  216: exit $ret
  217: 
  218: # Local Variables:
  219: # mode: shell-script
  220: # sh-indentation: 2
  221: # eval: (add-hook 'write-file-hooks 'time-stamp)
  222: # time-stamp-start: "scriptversion="
  223: # time-stamp-format: "%:y-%02m-%02d.%02H"
  224: # time-stamp-time-zone: "UTC"
  225: # time-stamp-end: "; # UTC"
  226: # End: