config/compile

   1 #! /bin/sh
   2 # Wrapper for compilers which do not understand `-c -o'.
   3
   4 scriptversion=2005-05-14.22
   5
   6 # Copyright (C) 1999, 2000, 2003, 2004, 2005 Free Software Foundation, Inc.
   7 # Written by Tom Tromey <tromey@cygnus.com>.
   8 #
   9 # This program is free software; you can redistribute it and/or modify
  10 # it under the terms of the GNU General Public License as published by
  11 # the Free Software Foundation; either version 2, or (at your option)
  12 # any later version.
  13 #
  14 # This program is distributed in the hope that it will be useful,
  15 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 # GNU General Public License for more details.
  18 #
  19 # You should have received a copy of the GNU General Public License
  20 # along with this program; if not, write to the Free Software
  21 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  22
  23 # As a special exception to the GNU General Public License, if you
  24 # distribute this file as part of a program that contains a
  25 # configuration script generated by Autoconf, you may include it under
  26 # the same distribution terms that you use for the rest of that program.
  27
  28 # This file is maintained in Automake, please report
  29 # bugs to <bug-automake@gnu.org> or send patches to
  30 # <automake-patches@gnu.org>.
  31
  32 case $1 in
  33   '')
  34      echo "$0: No command.  Try \`$0 --help' for more information." 1>&2
  35      exit 1;
  36      ;;
  37   -h | --h*)
  38     cat <<\EOF
  39 Usage: compile [--help] [--version] PROGRAM [ARGS]
  40
  41 Wrapper for compilers which do not understand `-c -o'.
  42 Remove `-o dest.o' from ARGS, run PROGRAM with the remaining
  43 arguments, and rename the output as expected.
  44
  45 If you are trying to build a whole package this is not the
  46 right script to run: please start by reading the file `INSTALL'.
  47
  48 Report bugs to <bug-automake@gnu.org>.
  49 EOF
  50     exit $?
  51     ;;
  52   -v | --v*)
  53     echo "compile $scriptversion"
  54     exit $?
  55     ;;
  56 esac
  57
  58 ofile=
  59 cfile=
  60 eat=
  61
  62 for arg
  63 do
  64   if test -n "$eat"; then
  65     eat=
  66   else
  67     case $1 in
  68       -o)
  69         # configure might choose to run compile as `compile cc -o foo foo.c'.
  70         # So we strip `-o arg' only if arg is an object.
  71         eat=1
  72         case $2 in
  73           *.o | *.obj)
  74             ofile=$2
  75             ;;
  76           *)
  77             set x "$@" -o "$2"
  78             shift
  79             ;;
  80         esac
  81         ;;
  82       *.c)
  83         cfile=$1
  84         set x "$@" "$1"
  85         shift
  86         ;;
  87       *)
  88         set x "$@" "$1"
  89         shift
  90         ;;
  91     esac
  92   fi
  93   shift
  94 done
  95
  96 if test -z "$ofile" || test -z "$cfile"; then
  97   # If no `-o' option was seen then we might have been invoked from a
  98   # pattern rule where we don't need one.  That is ok -- this is a
  99   # normal compilation that the losing compiler can handle.  If no
 100   # `.c' file was seen then we are probably linking.  That is also
 101   # ok.
 102   exec "$@"
 103 fi
 104
 105 # Name of file we expect compiler to create.
 106 cofile=`echo "$cfile" | sed -e 's|^.*/||' -e 's/\.c$/.o/'`
 107
 108 # Create the lock directory.
 109 # Note: use `[/.-]' here to ensure that we don't use the same name
 110 # that we are using for the .o file.  Also, base the name on the expected
 111 # object file name, since that is what matters with a parallel build.
 112 lockdir=`echo "$cofile" | sed -e 's|[/.-]|_|g'`.d
 113 while true; do
 114   if mkdir "$lockdir" >/dev/null 2>&1; then
 115     break
 116   fi
 117   sleep 1
 118 done
 119 # FIXME: race condition here if user kills between mkdir and trap.
 120 trap "rmdir '$lockdir'; exit 1" 1 2 15
 121
 122 # Run the compile.
 123 "$@"
 124 ret=$?
 125
 126 if test -f "$cofile"; then
 127   mv "$cofile" "$ofile"
 128 elif test -f "${cofile}bj"; then
 129   mv "${cofile}bj" "$ofile"
 130 fi
 131
 132 rmdir "$lockdir"
 133 exit $ret
 134
 135 # Local Variables:
 136 # mode: shell-script
 137 # sh-indentation: 2
 138 # eval: (add-hook 'write-file-hooks 'time-stamp)
 139 # time-stamp-start: "scriptversion="
 140 # time-stamp-format: "%:y-%02m-%02d.%02H"
 141 # time-stamp-end: "$"
 142 # End: