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Annotation of embedaddon/quagga/compile, revision 1.1.1.1

1.1       misho       1: #! /bin/sh
                      2: # Wrapper for compilers which do not understand `-c -o'.
                      3: 
                      4: scriptversion=2009-10-06.20; # UTC
                      5: 
                      6: # Copyright (C) 1999, 2000, 2003, 2004, 2005, 2009  Free Software
                      7: # Foundation, Inc.
                      8: # Written by Tom Tromey <tromey@cygnus.com>.
                      9: #
                     10: # This program is free software; you can redistribute it and/or modify
                     11: # it under the terms of the GNU General Public License as published by
                     12: # the Free Software Foundation; either version 2, or (at your option)
                     13: # any later version.
                     14: #
                     15: # This program is distributed in the hope that it will be useful,
                     16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     18: # GNU General Public License for more details.
                     19: #
                     20: # You should have received a copy of the GNU General Public License
                     21: # along with this program.  If not, see <http://www.gnu.org/licenses/>.
                     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 "$cfile" | sed 's|^.*[\\/]||; s|^[a-zA-Z]:||; s/\.c$/.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:   test "$cofile" = "$ofile" || mv "$cofile" "$ofile"
                    128: elif test -f "${cofile}bj"; then
                    129:   test "${cofile}bj" = "$ofile" || mv "${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-time-zone: "UTC"
                    142: # time-stamp-end: "; # UTC"
                    143: # End: