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