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1 #! /bin/sh
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2
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3 # depcomp - compile a program generating dependencies as side-effects
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4 # Copyright 1999, 2000, 2003 Free Software Foundation, Inc.
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5
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6 # This program is free software; you can redistribute it and/or modify
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7 # it under the terms of the GNU General Public License as published by
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8 # the Free Software Foundation; either version 2, or (at your option)
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9 # any later version.
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10
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11 # This program is distributed in the hope that it will be useful,
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12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 # GNU General Public License for more details.
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15
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16 # You should have received a copy of the GNU General Public License
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17 # along with this program; if not, write to the Free Software
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18 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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19 # 02111-1307, USA.
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20
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21 # As a special exception to the GNU General Public License, if you
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22 # distribute this file as part of a program that contains a
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23 # configuration script generated by Autoconf, you may include it under
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24 # the same distribution terms that you use for the rest of that program.
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25
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26 # Originally written by Alexandre Oliva <oliva@dcc.unicamp.br>.
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27
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28 if test -z "$depmode" || test -z "$source" || test -z "$object"; then
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29 echo "depcomp: Variables source, object and depmode must be set" 1>&2
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30 exit 1
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31 fi
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32 # `libtool' can also be set to `yes' or `no'.
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33
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34 if test -z "$depfile"; then
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35 base=`echo "$object" | sed -e 's,^.*/,,' -e 's,\.\([^.]*\)$,.P\1,'`
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36 dir=`echo "$object" | sed 's,/.*$,/,'`
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37 if test "$dir" = "$object"; then
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38 dir=
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39 fi
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40 # FIXME: should be _deps on DOS.
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41 depfile="$dir.deps/$base"
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42 fi
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43
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44 tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`}
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45
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46 rm -f "$tmpdepfile"
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47
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48 # Some modes work just like other modes, but use different flags. We
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49 # parameterize here, but still list the modes in the big case below,
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50 # to make depend.m4 easier to write. Note that we *cannot* use a case
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51 # here, because this file can only contain one case statement.
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52 if test "$depmode" = hp; then
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53 # HP compiler uses -M and no extra arg.
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54 gccflag=-M
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55 depmode=gcc
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56 fi
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57
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58 if test "$depmode" = dashXmstdout; then
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59 # This is just like dashmstdout with a different argument.
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60 dashmflag=-xM
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61 depmode=dashmstdout
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62 fi
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63
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64 case "$depmode" in
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65 gcc3)
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66 ## gcc 3 implements dependency tracking that does exactly what
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67 ## we want. Yay! Note: for some reason libtool 1.4 doesn't like
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68 ## it if -MD -MP comes after the -MF stuff. Hmm.
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69 "$@" -MT "$object" -MD -MP -MF "$tmpdepfile"
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70 stat=$?
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71 if test $stat -eq 0; then :
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72 else
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73 rm -f "$tmpdepfile"
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74 exit $stat
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75 fi
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76 mv "$tmpdepfile" "$depfile"
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77 ;;
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78
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79 gcc)
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80 ## There are various ways to get dependency output from gcc. Here's
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81 ## why we pick this rather obscure method:
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82 ## - Don't want to use -MD because we'd like the dependencies to end
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83 ## up in a subdir. Having to rename by hand is ugly.
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84 ## (We might end up doing this anyway to support other compilers.)
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85 ## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like
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86 ## -MM, not -M (despite what the docs say).
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87 ## - Using -M directly means running the compiler twice (even worse
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88 ## than renaming).
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89 if test -z "$gccflag"; then
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90 gccflag=-MD,
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91 fi
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92 "$@" -Wp,"$gccflag$tmpdepfile"
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93 stat=$?
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94 if test $stat -eq 0; then :
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95 else
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96 rm -f "$tmpdepfile"
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97 exit $stat
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98 fi
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99 rm -f "$depfile"
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100 echo "$object : \\" > "$depfile"
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101 alpha=ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz
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102 ## The second -e expression handles DOS-style file names with drive letters.
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103 sed -e 's/^[^:]*: / /' \
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104 -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile"
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105 ## This next piece of magic avoids the `deleted header file' problem.
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106 ## The problem is that when a header file which appears in a .P file
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107 ## is deleted, the dependency causes make to die (because there is
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108 ## typically no way to rebuild the header). We avoid this by adding
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109 ## dummy dependencies for each header file. Too bad gcc doesn't do
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110 ## this for us directly.
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111 tr ' ' '
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112 ' < "$tmpdepfile" |
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113 ## Some versions of gcc put a space before the `:'. On the theory
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114 ## that the space means something, we add a space to the output as
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115 ## well.
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116 ## Some versions of the HPUX 10.20 sed can't process this invocation
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117 ## correctly. Breaking it into two sed invocations is a workaround.
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118 sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
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119 rm -f "$tmpdepfile"
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120 ;;
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121
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122 hp)
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123 # This case exists only to let depend.m4 do its work. It works by
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124 # looking at the text of this script. This case will never be run,
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125 # since it is checked for above.
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126 exit 1
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127 ;;
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128
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129 sgi)
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130 if test "$libtool" = yes; then
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131 "$@" "-Wp,-MDupdate,$tmpdepfile"
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132 else
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133 "$@" -MDupdate "$tmpdepfile"
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134 fi
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135 stat=$?
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136 if test $stat -eq 0; then :
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137 else
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138 rm -f "$tmpdepfile"
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139 exit $stat
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140 fi
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141 rm -f "$depfile"
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142
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143 if test -f "$tmpdepfile"; then # yes, the sourcefile depend on other files
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144 echo "$object : \\" > "$depfile"
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145
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146 # Clip off the initial element (the dependent). Don't try to be
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147 # clever and replace this with sed code, as IRIX sed won't handle
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148 # lines with more than a fixed number of characters (4096 in
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149 # IRIX 6.2 sed, 8192 in IRIX 6.5). We also remove comment lines;
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150 # the IRIX cc adds comments like `#:fec' to the end of the
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151 # dependency line.
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152 tr ' ' '
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153 ' < "$tmpdepfile" \
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154 | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' | \
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155 tr '
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156 ' ' ' >> $depfile
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157 echo >> $depfile
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158
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159 # The second pass generates a dummy entry for each header file.
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160 tr ' ' '
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161 ' < "$tmpdepfile" \
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162 | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \
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163 >> $depfile
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164 else
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165 # The sourcefile does not contain any dependencies, so just
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166 # store a dummy comment line, to avoid errors with the Makefile
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167 # "include basename.Plo" scheme.
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168 echo "#dummy" > "$depfile"
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169 fi
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170 rm -f "$tmpdepfile"
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171 ;;
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172
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173 aix)
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174 # The C for AIX Compiler uses -M and outputs the dependencies
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175 # in a .u file. In older versions, this file always lives in the
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176 # current directory. Also, the AIX compiler puts `$object:' at the
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177 # start of each line; $object doesn't have directory information.
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178 # Version 6 uses the directory in both cases.
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179 stripped=`echo "$object" | sed 's/\(.*\)\..*$/\1/'`
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180 tmpdepfile="$stripped.u"
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181 if test "$libtool" = yes; then
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182 "$@" -Wc,-M
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183 else
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184 "$@" -M
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185 fi
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186 stat=$?
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187
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188 if test -f "$tmpdepfile"; then :
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189 else
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190 stripped=`echo "$stripped" | sed 's,^.*/,,'`
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191 tmpdepfile="$stripped.u"
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192 fi
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193
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194 if test $stat -eq 0; then :
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195 else
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196 rm -f "$tmpdepfile"
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197 exit $stat
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198 fi
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199
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200 if test -f "$tmpdepfile"; then
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201 outname="$stripped.o"
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202 # Each line is of the form `foo.o: dependent.h'.
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203 # Do two passes, one to just change these to
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204 # `$object: dependent.h' and one to simply `dependent.h:'.
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205 sed -e "s,^$outname:,$object :," < "$tmpdepfile" > "$depfile"
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206 sed -e "s,^$outname: \(.*\)$,\1:," < "$tmpdepfile" >> "$depfile"
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207 else
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208 # The sourcefile does not contain any dependencies, so just
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209 # store a dummy comment line, to avoid errors with the Makefile
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210 # "include basename.Plo" scheme.
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211 echo "#dummy" > "$depfile"
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212 fi
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213 rm -f "$tmpdepfile"
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214 ;;
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215
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216 icc)
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217 # Intel's C compiler understands `-MD -MF file'. However on
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218 # icc -MD -MF foo.d -c -o sub/foo.o sub/foo.c
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219 # ICC 7.0 will fill foo.d with something like
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220 # foo.o: sub/foo.c
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221 # foo.o: sub/foo.h
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222 # which is wrong. We want:
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223 # sub/foo.o: sub/foo.c
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224 # sub/foo.o: sub/foo.h
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225 # sub/foo.c:
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226 # sub/foo.h:
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227 # ICC 7.1 will output
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228 # foo.o: sub/foo.c sub/foo.h
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229 # and will wrap long lines using \ :
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230 # foo.o: sub/foo.c ... \
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231 # sub/foo.h ... \
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232 # ...
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233
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234 "$@" -MD -MF "$tmpdepfile"
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235 stat=$?
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236 if test $stat -eq 0; then :
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237 else
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238 rm -f "$tmpdepfile"
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239 exit $stat
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240 fi
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241 rm -f "$depfile"
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242 # Each line is of the form `foo.o: dependent.h',
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243 # or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'.
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244 # Do two passes, one to just change these to
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245 # `$object: dependent.h' and one to simply `dependent.h:'.
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246 sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile"
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247 # Some versions of the HPUX 10.20 sed can't process this invocation
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248 # correctly. Breaking it into two sed invocations is a workaround.
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249 sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" |
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250 sed -e 's/$/ :/' >> "$depfile"
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251 rm -f "$tmpdepfile"
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252 ;;
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253
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254 tru64)
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255 # The Tru64 compiler uses -MD to generate dependencies as a side
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256 # effect. `cc -MD -o foo.o ...' puts the dependencies into `foo.o.d'.
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257 # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put
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258 # dependencies in `foo.d' instead, so we check for that too.
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259 # Subdirectories are respected.
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260 dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
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261 test "x$dir" = "x$object" && dir=
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262 base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
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263
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264 if test "$libtool" = yes; then
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265 tmpdepfile1="$dir.libs/$base.lo.d"
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266 tmpdepfile2="$dir.libs/$base.d"
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267 "$@" -Wc,-MD
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268 else
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269 tmpdepfile1="$dir$base.o.d"
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270 tmpdepfile2="$dir$base.d"
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271 "$@" -MD
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272 fi
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273
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274 stat=$?
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275 if test $stat -eq 0; then :
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276 else
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277 rm -f "$tmpdepfile1" "$tmpdepfile2"
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278 exit $stat
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279 fi
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280
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281 if test -f "$tmpdepfile1"; then
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282 tmpdepfile="$tmpdepfile1"
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283 else
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284 tmpdepfile="$tmpdepfile2"
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285 fi
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286 if test -f "$tmpdepfile"; then
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287 sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile"
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288 # That's a tab and a space in the [].
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289 sed -e 's,^.*\.[a-z]*:[ ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
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290 else
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291 echo "#dummy" > "$depfile"
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292 fi
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293 rm -f "$tmpdepfile"
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294 ;;
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295
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296 #nosideeffect)
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297 # This comment above is used by automake to tell side-effect
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298 # dependency tracking mechanisms from slower ones.
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299
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300 dashmstdout)
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301 # Important note: in order to support this mode, a compiler *must*
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302 # always write the preprocessed file to stdout, regardless of -o.
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303 "$@" || exit $?
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304
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305 # Remove the call to Libtool.
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306 if test "$libtool" = yes; then
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307 while test $1 != '--mode=compile'; do
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308 shift
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309 done
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310 shift
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311 fi
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312
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313 # Remove `-o $object'.
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314 IFS=" "
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315 for arg
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316 do
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317 case $arg in
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318 -o)
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319 shift
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320 ;;
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321 $object)
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322 shift
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323 ;;
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324 *)
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325 set fnord "$@" "$arg"
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326 shift # fnord
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327 shift # $arg
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328 ;;
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329 esac
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330 done
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331
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332 test -z "$dashmflag" && dashmflag=-M
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333 # Require at least two characters before searching for `:'
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334 # in the target name. This is to cope with DOS-style filenames:
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335 # a dependency such as `c:/foo/bar' could be seen as target `c' otherwise.
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336 "$@" $dashmflag |
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337 sed 's:^[ ]*[^: ][^:][^:]*\:[ ]*:'"$object"'\: :' > "$tmpdepfile"
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338 rm -f "$depfile"
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339 cat < "$tmpdepfile" > "$depfile"
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340 tr ' ' '
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341 ' < "$tmpdepfile" | \
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342 ## Some versions of the HPUX 10.20 sed can't process this invocation
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343 ## correctly. Breaking it into two sed invocations is a workaround.
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344 sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
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345 rm -f "$tmpdepfile"
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346 ;;
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347
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348 dashXmstdout)
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349 # This case only exists to satisfy depend.m4. It is never actually
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350 # run, as this mode is specially recognized in the preamble.
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351 exit 1
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352 ;;
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353
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354 makedepend)
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355 "$@" || exit $?
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356 # Remove any Libtool call
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357 if test "$libtool" = yes; then
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358 while test $1 != '--mode=compile'; do
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359 shift
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360 done
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361 shift
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362 fi
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363 # X makedepend
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364 shift
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365 cleared=no
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366 for arg in "$@"; do
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367 case $cleared in
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368 no)
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369 set ""; shift
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370 cleared=yes ;;
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371 esac
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372 case "$arg" in
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373 -D*|-I*)
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374 set fnord "$@" "$arg"; shift ;;
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375 # Strip any option that makedepend may not understand. Remove
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376 # the object too, otherwise makedepend will parse it as a source file.
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377 -*|$object)
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378 ;;
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379 *)
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380 set fnord "$@" "$arg"; shift ;;
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381 esac
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382 done
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383 obj_suffix="`echo $object | sed 's/^.*\././'`"
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384 touch "$tmpdepfile"
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385 ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@"
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386 rm -f "$depfile"
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387 cat < "$tmpdepfile" > "$depfile"
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388 sed '1,2d' "$tmpdepfile" | tr ' ' '
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389 ' | \
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390 ## Some versions of the HPUX 10.20 sed can't process this invocation
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391 ## correctly. Breaking it into two sed invocations is a workaround.
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392 sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
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393 rm -f "$tmpdepfile" "$tmpdepfile".bak
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394 ;;
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395
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396 cpp)
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397 # Important note: in order to support this mode, a compiler *must*
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398 # always write the preprocessed file to stdout.
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399 "$@" || exit $?
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400
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401 # Remove the call to Libtool.
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402 if test "$libtool" = yes; then
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403 while test $1 != '--mode=compile'; do
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404 shift
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405 done
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406 shift
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407 fi
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408
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409 # Remove `-o $object'.
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410 IFS=" "
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|
411 for arg
|
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412 do
|
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|
413 case $arg in
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414 -o)
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415 shift
|
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416 ;;
|
|
|
417 $object)
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418 shift
|
|
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419 ;;
|
|
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420 *)
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|
|
421 set fnord "$@" "$arg"
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|
422 shift # fnord
|
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423 shift # $arg
|
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424 ;;
|
|
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425 esac
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|
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426 done
|
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427
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|
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428 "$@" -E |
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|
|
429 sed -n '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' |
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|
|
430 sed '$ s: \\$::' > "$tmpdepfile"
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|
431 rm -f "$depfile"
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|
|
432 echo "$object : \\" > "$depfile"
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|
|
433 cat < "$tmpdepfile" >> "$depfile"
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|
434 sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile"
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|
|
435 rm -f "$tmpdepfile"
|
|
|
436 ;;
|
|
|
437
|
|
|
438 msvisualcpp)
|
|
|
439 # Important note: in order to support this mode, a compiler *must*
|
|
|
440 # always write the preprocessed file to stdout, regardless of -o,
|
|
|
441 # because we must use -o when running libtool.
|
|
|
442 "$@" || exit $?
|
|
|
443 IFS=" "
|
|
|
444 for arg
|
|
|
445 do
|
|
|
446 case "$arg" in
|
|
|
447 "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI")
|
|
|
448 set fnord "$@"
|
|
|
449 shift
|
|
|
450 shift
|
|
|
451 ;;
|
|
|
452 *)
|
|
|
453 set fnord "$@" "$arg"
|
|
|
454 shift
|
|
|
455 shift
|
|
|
456 ;;
|
|
|
457 esac
|
|
|
458 done
|
|
|
459 "$@" -E |
|
|
|
460 sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::echo "`cygpath -u \\"\1\\"`":p' | sort | uniq > "$tmpdepfile"
|
|
|
461 rm -f "$depfile"
|
|
|
462 echo "$object : \\" > "$depfile"
|
|
|
463 . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s:: \1 \\:p' >> "$depfile"
|
|
|
464 echo " " >> "$depfile"
|
|
|
465 . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s::\1\::p' >> "$depfile"
|
|
|
466 rm -f "$tmpdepfile"
|
|
|
467 ;;
|
|
|
468
|
|
|
469 none)
|
|
|
470 exec "$@"
|
|
|
471 ;;
|
|
|
472
|
|
|
473 *)
|
|
|
474 echo "Unknown depmode $depmode" 1>&2
|
|
|
475 exit 1
|
|
|
476 ;;
|
|
|
477 esac
|
|
|
478
|
|
|
479 exit 0
|
