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/contrib/cvs/compile

https://bitbucket.org/freebsd/freebsd-head/
Shell | 142 lines | 80 code | 15 blank | 47 comment | 7 complexity | b2a35e98453194ca837c363ee9c0d379 MD5 | raw file
  1#! /bin/sh
  2# Wrapper for compilers which do not understand `-c -o'.
  3
  4scriptversion=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
 32case $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
 39Usage: compile [--help] [--version] PROGRAM [ARGS]
 40
 41Wrapper for compilers which do not understand `-c -o'.
 42Remove `-o dest.o' from ARGS, run PROGRAM with the remaining
 43arguments, and rename the output as expected.
 44
 45If you are trying to build a whole package this is not the
 46right script to run: please start by reading the file `INSTALL'.
 47
 48Report bugs to <bug-automake@gnu.org>.
 49EOF
 50    exit $?
 51    ;;
 52  -v | --v*)
 53    echo "compile $scriptversion"
 54    exit $?
 55    ;;
 56esac
 57
 58ofile=
 59cfile=
 60eat=
 61
 62for arg
 63do
 64  if test -n "$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=$1
 84	set x "$@" "$1"
 85	shift
 86	;;
 87      *)
 88	set x "$@" "$1"
 89	shift
 90	;;
 91    esac
 92  fi
 93  shift
 94done
 95
 96if test -z "$ofile" || test -z "$cfile"; then
 97  # If no `-o' option was seen then we might have been invoked from a
 98  # pattern rule where we don't need one.  That is ok -- this is a
 99  # normal compilation that the losing compiler can handle.  If no
100  # `.c' file was seen then we are probably linking.  That is also
101  # ok.
102  exec "$@"
103fi
104
105# Name of file we expect compiler to create.
106cofile=`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.
112lockdir=`echo "$cofile" | sed -e 's|[/.-]|_|g'`.d
113while true; do
114  if mkdir "$lockdir" >/dev/null 2>&1; then
115    break
116  fi
117  sleep 1
118done
119# FIXME: race condition here if user kills between mkdir and trap.
120trap "rmdir '$lockdir'; exit 1" 1 2 15
121
122# Run the compile.
123"$@"
124ret=$?
125
126if test -f "$cofile"; then
127  mv "$cofile" "$ofile"
128elif test -f "${cofile}bj"; then
129  mv "${cofile}bj" "$ofile"
130fi
131
132rmdir "$lockdir"
133exit $ret
134
135# Local Variables:
136# mode: shell-script
137# sh-indentation: 2
138# eval: (add-hook 'write-file-hooks 'time-stamp)
139# time-stamp-start: "scriptversion="
140# time-stamp-format: "%:y-%02m-%02d.%02H"
141# time-stamp-end: "$"
142# End: