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1 #! /bin/sh
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2 # depcomp - compile a program generating dependencies as side-effects
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3
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4 scriptversion=2004-05-31.23
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5
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6 # Copyright (C) 1999, 2000, 2003, 2004 Free Software Foundation, Inc.
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7
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8 # This program is free software; you can redistribute it and/or modify
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9 # it under the terms of the GNU General Public License as published by
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10 # the Free Software Foundation; either version 2, or (at your option)
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11 # any later version.
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12
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13 # This program is distributed in the hope that it will be useful,
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14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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16 # GNU General Public License for more details.
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17
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18 # You should have received a copy of the GNU General Public License
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19 # along with this program; if not, write to the Free Software
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20 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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21 # 02111-1307, 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 # Originally written by Alexandre Oliva <oliva@dcc.unicamp.br>.
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29
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30 case $1 in
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31 '')
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32 echo "$0: No command. Try \`$0 --help' for more information." 1>&2
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33 exit 1;
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34 ;;
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35 -h | --h*)
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36 cat <<\EOF
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37 Usage: depcomp [--help] [--version] PROGRAM [ARGS]
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38
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39 Run PROGRAMS ARGS to compile a file, generating dependencies
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40 as side-effects.
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41
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42 Environment variables:
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43 depmode Dependency tracking mode.
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44 source Source file read by `PROGRAMS ARGS'.
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45 object Object file output by `PROGRAMS ARGS'.
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46 DEPDIR directory where to store dependencies.
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47 depfile Dependency file to output.
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48 tmpdepfile Temporary file to use when outputing dependencies.
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49 libtool Whether libtool is used (yes/no).
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50
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51 Report bugs to <bug-automake@gnu.org>.
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52 EOF
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53 exit 0
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54 ;;
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55 -v | --v*)
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56 echo "depcomp $scriptversion"
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57 exit 0
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58 ;;
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59 esac
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60
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61 if test -z "$depmode" || test -z "$source" || test -z "$object"; then
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62 echo "depcomp: Variables source, object and depmode must be set" 1>&2
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63 exit 1
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64 fi
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65
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66 # Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po.
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67 depfile=${depfile-`echo "$object" |
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68 sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`}
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69 tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`}
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70
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71 rm -f "$tmpdepfile"
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72
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73 # Some modes work just like other modes, but use different flags. We
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74 # parameterize here, but still list the modes in the big case below,
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75 # to make depend.m4 easier to write. Note that we *cannot* use a case
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76 # here, because this file can only contain one case statement.
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77 if test "$depmode" = hp; then
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78 # HP compiler uses -M and no extra arg.
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79 gccflag=-M
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80 depmode=gcc
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81 fi
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82
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83 if test "$depmode" = dashXmstdout; then
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84 # This is just like dashmstdout with a different argument.
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85 dashmflag=-xM
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86 depmode=dashmstdout
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87 fi
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88
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89 case "$depmode" in
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90 gcc3)
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91 ## gcc 3 implements dependency tracking that does exactly what
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92 ## we want. Yay! Note: for some reason libtool 1.4 doesn't like
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93 ## it if -MD -MP comes after the -MF stuff. Hmm.
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94 "$@" -MT "$object" -MD -MP -MF "$tmpdepfile"
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95 stat=$?
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96 if test $stat -eq 0; then :
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97 else
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98 rm -f "$tmpdepfile"
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99 exit $stat
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100 fi
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101 mv "$tmpdepfile" "$depfile"
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102 ;;
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103
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104 gcc)
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105 ## There are various ways to get dependency output from gcc. Here's
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106 ## why we pick this rather obscure method:
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107 ## - Don't want to use -MD because we'd like the dependencies to end
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108 ## up in a subdir. Having to rename by hand is ugly.
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109 ## (We might end up doing this anyway to support other compilers.)
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110 ## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like
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111 ## -MM, not -M (despite what the docs say).
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112 ## - Using -M directly means running the compiler twice (even worse
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113 ## than renaming).
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114 if test -z "$gccflag"; then
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115 gccflag=-MD,
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116 fi
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117 "$@" -Wp,"$gccflag$tmpdepfile"
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118 stat=$?
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119 if test $stat -eq 0; then :
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120 else
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121 rm -f "$tmpdepfile"
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122 exit $stat
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123 fi
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124 rm -f "$depfile"
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125 echo "$object : \\" > "$depfile"
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126 alpha=ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz
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127 ## The second -e expression handles DOS-style file names with drive letters.
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128 sed -e 's/^[^:]*: / /' \
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129 -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile"
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130 ## This next piece of magic avoids the `deleted header file' problem.
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131 ## The problem is that when a header file which appears in a .P file
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132 ## is deleted, the dependency causes make to die (because there is
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133 ## typically no way to rebuild the header). We avoid this by adding
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134 ## dummy dependencies for each header file. Too bad gcc doesn't do
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135 ## this for us directly.
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136 tr ' ' '
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137 ' < "$tmpdepfile" |
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138 ## Some versions of gcc put a space before the `:'. On the theory
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139 ## that the space means something, we add a space to the output as
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140 ## well.
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141 ## Some versions of the HPUX 10.20 sed can't process this invocation
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142 ## correctly. Breaking it into two sed invocations is a workaround.
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143 sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
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144 rm -f "$tmpdepfile"
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145 ;;
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146
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147 hp)
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148 # This case exists only to let depend.m4 do its work. It works by
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149 # looking at the text of this script. This case will never be run,
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150 # since it is checked for above.
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151 exit 1
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152 ;;
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153
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154 sgi)
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155 if test "$libtool" = yes; then
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156 "$@" "-Wp,-MDupdate,$tmpdepfile"
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157 else
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158 "$@" -MDupdate "$tmpdepfile"
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159 fi
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160 stat=$?
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161 if test $stat -eq 0; then :
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162 else
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163 rm -f "$tmpdepfile"
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164 exit $stat
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165 fi
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166 rm -f "$depfile"
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167
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168 if test -f "$tmpdepfile"; then # yes, the sourcefile depend on other files
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169 echo "$object : \\" > "$depfile"
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170
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171 # Clip off the initial element (the dependent). Don't try to be
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172 # clever and replace this with sed code, as IRIX sed won't handle
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173 # lines with more than a fixed number of characters (4096 in
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174 # IRIX 6.2 sed, 8192 in IRIX 6.5). We also remove comment lines;
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175 # the IRIX cc adds comments like `#:fec' to the end of the
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176 # dependency line.
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177 tr ' ' '
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178 ' < "$tmpdepfile" \
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179 | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' | \
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180 tr '
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181 ' ' ' >> $depfile
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182 echo >> $depfile
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183
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184 # The second pass generates a dummy entry for each header file.
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185 tr ' ' '
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186 ' < "$tmpdepfile" \
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187 | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \
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188 >> $depfile
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189 else
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190 # The sourcefile does not contain any dependencies, so just
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191 # store a dummy comment line, to avoid errors with the Makefile
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192 # "include basename.Plo" scheme.
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193 echo "#dummy" > "$depfile"
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194 fi
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195 rm -f "$tmpdepfile"
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196 ;;
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197
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198 aix)
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199 # The C for AIX Compiler uses -M and outputs the dependencies
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200 # in a .u file. In older versions, this file always lives in the
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201 # current directory. Also, the AIX compiler puts `$object:' at the
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202 # start of each line; $object doesn't have directory information.
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203 # Version 6 uses the directory in both cases.
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204 stripped=`echo "$object" | sed 's/\(.*\)\..*$/\1/'`
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205 tmpdepfile="$stripped.u"
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206 if test "$libtool" = yes; then
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207 "$@" -Wc,-M
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208 else
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209 "$@" -M
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210 fi
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211 stat=$?
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212
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213 if test -f "$tmpdepfile"; then :
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214 else
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215 stripped=`echo "$stripped" | sed 's,^.*/,,'`
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216 tmpdepfile="$stripped.u"
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217 fi
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218
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219 if test $stat -eq 0; then :
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220 else
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221 rm -f "$tmpdepfile"
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222 exit $stat
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223 fi
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224
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225 if test -f "$tmpdepfile"; then
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226 outname="$stripped.o"
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227 # Each line is of the form `foo.o: dependent.h'.
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228 # Do two passes, one to just change these to
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229 # `$object: dependent.h' and one to simply `dependent.h:'.
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230 sed -e "s,^$outname:,$object :," < "$tmpdepfile" > "$depfile"
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231 sed -e "s,^$outname: \(.*\)$,\1:," < "$tmpdepfile" >> "$depfile"
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232 else
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233 # The sourcefile does not contain any dependencies, so just
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234 # store a dummy comment line, to avoid errors with the Makefile
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235 # "include basename.Plo" scheme.
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236 echo "#dummy" > "$depfile"
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237 fi
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238 rm -f "$tmpdepfile"
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239 ;;
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240
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241 icc)
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242 # Intel's C compiler understands `-MD -MF file'. However on
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243 # icc -MD -MF foo.d -c -o sub/foo.o sub/foo.c
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244 # ICC 7.0 will fill foo.d with something like
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245 # foo.o: sub/foo.c
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246 # foo.o: sub/foo.h
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247 # which is wrong. We want:
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248 # sub/foo.o: sub/foo.c
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249 # sub/foo.o: sub/foo.h
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250 # sub/foo.c:
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251 # sub/foo.h:
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252 # ICC 7.1 will output
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253 # foo.o: sub/foo.c sub/foo.h
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254 # and will wrap long lines using \ :
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255 # foo.o: sub/foo.c ... \
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256 # sub/foo.h ... \
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257 # ...
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258
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259 "$@" -MD -MF "$tmpdepfile"
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260 stat=$?
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261 if test $stat -eq 0; then :
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262 else
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263 rm -f "$tmpdepfile"
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264 exit $stat
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265 fi
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266 rm -f "$depfile"
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267 # Each line is of the form `foo.o: dependent.h',
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268 # or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'.
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269 # Do two passes, one to just change these to
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270 # `$object: dependent.h' and one to simply `dependent.h:'.
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271 sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile"
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272 # Some versions of the HPUX 10.20 sed can't process this invocation
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273 # correctly. Breaking it into two sed invocations is a workaround.
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274 sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" |
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275 sed -e 's/$/ :/' >> "$depfile"
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276 rm -f "$tmpdepfile"
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277 ;;
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278
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279 tru64)
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280 # The Tru64 compiler uses -MD to generate dependencies as a side
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281 # effect. `cc -MD -o foo.o ...' puts the dependencies into `foo.o.d'.
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282 # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put
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283 # dependencies in `foo.d' instead, so we check for that too.
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284 # Subdirectories are respected.
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285 dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
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286 test "x$dir" = "x$object" && dir=
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287 base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
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288
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289 if test "$libtool" = yes; then
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290 # Dependencies are output in .lo.d with libtool 1.4.
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291 # With libtool 1.5 they are output both in $dir.libs/$base.o.d
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292 # and in $dir.libs/$base.o.d and $dir$base.o.d. We process the
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293 # latter, because the former will be cleaned when $dir.libs is
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294 # erased.
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295 tmpdepfile1="$dir.libs/$base.lo.d"
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296 tmpdepfile2="$dir$base.o.d"
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297 tmpdepfile3="$dir.libs/$base.d"
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298 "$@" -Wc,-MD
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299 else
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300 tmpdepfile1="$dir$base.o.d"
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301 tmpdepfile2="$dir$base.d"
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302 tmpdepfile3="$dir$base.d"
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303 "$@" -MD
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304 fi
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305
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306 stat=$?
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307 if test $stat -eq 0; then :
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308 else
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309 rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
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310 exit $stat
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311 fi
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312
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313 if test -f "$tmpdepfile1"; then
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314 tmpdepfile="$tmpdepfile1"
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315 elif test -f "$tmpdepfile2"; then
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316 tmpdepfile="$tmpdepfile2"
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317 else
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318 tmpdepfile="$tmpdepfile3"
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319 fi
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320 if test -f "$tmpdepfile"; then
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321 sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile"
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322 # That's a tab and a space in the [].
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323 sed -e 's,^.*\.[a-z]*:[ ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
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324 else
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325 echo "#dummy" > "$depfile"
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326 fi
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327 rm -f "$tmpdepfile"
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328 ;;
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329
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330 #nosideeffect)
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331 # This comment above is used by automake to tell side-effect
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332 # dependency tracking mechanisms from slower ones.
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333
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334 dashmstdout)
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335 # Important note: in order to support this mode, a compiler *must*
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336 # always write the preprocessed file to stdout, regardless of -o.
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337 "$@" || exit $?
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338
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339 # Remove the call to Libtool.
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340 if test "$libtool" = yes; then
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341 while test $1 != '--mode=compile'; do
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342 shift
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343 done
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344 shift
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345 fi
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346
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347 # Remove `-o $object'.
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348 IFS=" "
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349 for arg
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350 do
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351 case $arg in
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352 -o)
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353 shift
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354 ;;
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355 $object)
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356 shift
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357 ;;
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358 *)
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359 set fnord "$@" "$arg"
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360 shift # fnord
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361 shift # $arg
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362 ;;
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363 esac
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364 done
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365
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366 test -z "$dashmflag" && dashmflag=-M
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367 # Require at least two characters before searching for `:'
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368 # in the target name. This is to cope with DOS-style filenames:
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369 # a dependency such as `c:/foo/bar' could be seen as target `c' otherwise.
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370 "$@" $dashmflag |
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371 sed 's:^[ ]*[^: ][^:][^:]*\:[ ]*:'"$object"'\: :' > "$tmpdepfile"
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372 rm -f "$depfile"
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373 cat < "$tmpdepfile" > "$depfile"
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374 tr ' ' '
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375 ' < "$tmpdepfile" | \
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376 ## Some versions of the HPUX 10.20 sed can't process this invocation
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377 ## correctly. Breaking it into two sed invocations is a workaround.
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378 sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
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379 rm -f "$tmpdepfile"
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380 ;;
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381
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382 dashXmstdout)
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383 # This case only exists to satisfy depend.m4. It is never actually
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384 # run, as this mode is specially recognized in the preamble.
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385 exit 1
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386 ;;
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387
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388 makedepend)
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389 "$@" || exit $?
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390 # Remove any Libtool call
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391 if test "$libtool" = yes; then
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392 while test $1 != '--mode=compile'; do
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393 shift
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394 done
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395 shift
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396 fi
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397 # X makedepend
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398 shift
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399 cleared=no
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400 for arg in "$@"; do
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401 case $cleared in
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402 no)
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403 set ""; shift
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404 cleared=yes ;;
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405 esac
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406 case "$arg" in
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407 -D*|-I*)
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408 set fnord "$@" "$arg"; shift ;;
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409 # Strip any option that makedepend may not understand. Remove
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410 # the object too, otherwise makedepend will parse it as a source file.
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411 -*|$object)
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412 ;;
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413 *)
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414 set fnord "$@" "$arg"; shift ;;
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415 esac
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416 done
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417 obj_suffix="`echo $object | sed 's/^.*\././'`"
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418 touch "$tmpdepfile"
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419 ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@"
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420 rm -f "$depfile"
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421 cat < "$tmpdepfile" > "$depfile"
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422 sed '1,2d' "$tmpdepfile" | tr ' ' '
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423 ' | \
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424 ## Some versions of the HPUX 10.20 sed can't process this invocation
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425 ## correctly. Breaking it into two sed invocations is a workaround.
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426 sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
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427 rm -f "$tmpdepfile" "$tmpdepfile".bak
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428 ;;
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429
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430 cpp)
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431 # Important note: in order to support this mode, a compiler *must*
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432 # always write the preprocessed file to stdout.
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433 "$@" || exit $?
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434
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435 # Remove the call to Libtool.
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|
436 if test "$libtool" = yes; then
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437 while test $1 != '--mode=compile'; do
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438 shift
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439 done
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|
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440 shift
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441 fi
|
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442
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443 # Remove `-o $object'.
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|
|
444 IFS=" "
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|
|
445 for arg
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446 do
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447 case $arg in
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448 -o)
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449 shift
|
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450 ;;
|
|
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451 $object)
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|
|
452 shift
|
|
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453 ;;
|
|
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454 *)
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|
455 set fnord "$@" "$arg"
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|
|
456 shift # fnord
|
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457 shift # $arg
|
|
|
458 ;;
|
|
|
459 esac
|
|
|
460 done
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|
|
461
|
|
|
462 "$@" -E |
|
|
|
463 sed -n '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' |
|
|
|
464 sed '$ s: \\$::' > "$tmpdepfile"
|
|
|
465 rm -f "$depfile"
|
|
|
466 echo "$object : \\" > "$depfile"
|
|
|
467 cat < "$tmpdepfile" >> "$depfile"
|
|
|
468 sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile"
|
|
|
469 rm -f "$tmpdepfile"
|
|
|
470 ;;
|
|
|
471
|
|
|
472 msvisualcpp)
|
|
|
473 # Important note: in order to support this mode, a compiler *must*
|
|
|
474 # always write the preprocessed file to stdout, regardless of -o,
|
|
|
475 # because we must use -o when running libtool.
|
|
|
476 "$@" || exit $?
|
|
|
477 IFS=" "
|
|
|
478 for arg
|
|
|
479 do
|
|
|
480 case "$arg" in
|
|
|
481 "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI")
|
|
|
482 set fnord "$@"
|
|
|
483 shift
|
|
|
484 shift
|
|
|
485 ;;
|
|
|
486 *)
|
|
|
487 set fnord "$@" "$arg"
|
|
|
488 shift
|
|
|
489 shift
|
|
|
490 ;;
|
|
|
491 esac
|
|
|
492 done
|
|
|
493 "$@" -E |
|
|
|
494 sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::echo "`cygpath -u \\"\1\\"`":p' | sort | uniq > "$tmpdepfile"
|
|
|
495 rm -f "$depfile"
|
|
|
496 echo "$object : \\" > "$depfile"
|
|
|
497 . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s:: \1 \\:p' >> "$depfile"
|
|
|
498 echo " " >> "$depfile"
|
|
|
499 . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s::\1\::p' >> "$depfile"
|
|
|
500 rm -f "$tmpdepfile"
|
|
|
501 ;;
|
|
|
502
|
|
|
503 none)
|
|
|
504 exec "$@"
|
|
|
505 ;;
|
|
|
506
|
|
|
507 *)
|
|
|
508 echo "Unknown depmode $depmode" 1>&2
|
|
|
509 exit 1
|
|
|
510 ;;
|
|
|
511 esac
|
|
|
512
|
|
|
513 exit 0
|
|
|
514
|
|
|
515 # Local Variables:
|
|
|
516 # mode: shell-script
|
|
|
517 # sh-indentation: 2
|
|
|
518 # eval: (add-hook 'write-file-hooks 'time-stamp)
|
|
|
519 # time-stamp-start: "scriptversion="
|
|
|
520 # time-stamp-format: "%:y-%02m-%02d.%02H"
|
|
|
521 # time-stamp-end: "$"
|
|
|
522 # End:
|
