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: |
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