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1 #!/bin/sh
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2 #
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3 # Install modified versions of certain ANSI-incompatible system header
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4 # files which are fixed to work correctly with ANSI C and placed in a
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5 # directory that GCC will search.
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6 #
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7 # See README-fixinc for more information.
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8 #
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9 # fixincludes copyright (c) 1998, 1999, 2000, 2002, 2009
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10 # The Free Software Foundation, Inc.
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11 #
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12 # fixincludes is free software.
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13 #
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14 # You may redistribute it and/or modify it under the terms of the
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15 # GNU General Public License, as published by the Free Software
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16 # Foundation; either version 3, or (at your option) any later version.
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17 #
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18 # fixincludes is distributed in the hope that it will be useful,
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19 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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20 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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21 # See the GNU General Public License for more details.
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22 #
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23 # You should have received a copy of the GNU General Public License
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24 # along with fixincludes; see the file COPYING3. If not see
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25 # <http://www.gnu.org/licenses/>.
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26 #
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27 # # # # # # # # # # # # # # # # # # # # #
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28
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29 # Usage: fixinc.sh output-dir input-dir
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30 #
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31 # Directory in which to store the results.
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32 # Fail if no arg to specify a directory for the output.
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33 if [ "x$1" = "x" ]
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34 then
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35 echo fixincludes: no output directory specified
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36 exit 1
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37 fi
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38
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39 LIB=${1}
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40 shift
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41
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42 # Make sure it exists.
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43 if [ ! -d $LIB ]; then
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44 mkdir $LIB || {
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45 echo fixincludes: output dir '`'$LIB"' cannot be created"
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46 exit 1
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47 }
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48 else
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49 ( cd $LIB && touch DONE && rm DONE ) || {
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50 echo fixincludes: output dir '`'$LIB"' is an invalid directory"
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51 exit 1
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52 }
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53 fi
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54
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55 if test -z "$VERBOSE"
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56 then
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57 VERBOSE=2
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58 export VERBOSE
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59 else
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60 case "$VERBOSE" in
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61 [0-9] ) : ;;
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62 * ) VERBOSE=3 ;;
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63 esac
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64 fi
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65
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66 # Define what target system we're fixing.
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67 #
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68 if test -r ./Makefile; then
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69 target_canonical="`sed -n -e 's,^target[ ]*=[ ]*\(.*\)$,\1,p' < Makefile`"
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70 fi
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71
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72 # If not from the Makefile, then try config.guess
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73 #
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74 if test -z "${target_canonical}" ; then
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75 if test -x ./config.guess ; then
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76 target_canonical="`config.guess`" ; fi
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77 test -z "${target_canonical}" && target_canonical=unknown
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78 fi
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79 export target_canonical
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80
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81 # # # # # # # # # # # # # # # # # # # # #
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82 #
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83 # Define PWDCMD as a command to use to get the working dir
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84 # in the form that we want.
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85 PWDCMD=${PWDCMD-pwd}
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86
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87 case "`$PWDCMD`" in
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88 //*)
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89 # On an Apollo, discard everything before `/usr'.
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90 PWDCMD="eval pwd | sed -e 's,.*/usr/,/usr/,'"
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91 ;;
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92 esac
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93
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94 # Original directory.
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95 ORIGDIR=`${PWDCMD}`
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96 export ORIGDIR
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97 FIXINCL=`${PWDCMD}`/fixincl
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98 if [ ! -x $FIXINCL ] ; then
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99 echo "Cannot find fixincl" >&2
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100 exit 1
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101 fi
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102 export FIXINCL
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103
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104 # Make LIB absolute only if needed to avoid problems with the amd.
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105 case $LIB in
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106 /*)
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107 ;;
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108 *)
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109 cd $LIB; LIB=`${PWDCMD}`
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110 ;;
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111 esac
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112
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113 if test $VERBOSE -gt 0
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114 then echo Fixing headers into ${LIB} for ${target_canonical} target ; fi
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115
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116 # Determine whether this system has symbolic links.
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117 if test -n "$DJDIR"; then
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118 LINKS=false
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119 elif ln -s X $LIB/ShouldNotExist 2>/dev/null; then
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120 rm -f $LIB/ShouldNotExist
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121 LINKS=true
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122 elif ln -s X /tmp/ShouldNotExist 2>/dev/null; then
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123 rm -f /tmp/ShouldNotExist
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124 LINKS=true
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125 else
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126 LINKS=false
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127 fi
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128
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129 # # # # # # # # # # # # # # # # # # # # #
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130 #
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131 # In the file macro_list are listed all the predefined
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132 # macros that are not in the C89 reserved namespace (the reserved
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133 # namespace is all identifiers beginnning with two underscores or one
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134 # underscore followed by a capital letter). A regular expression to find
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135 # any of those macros in a header file is written to MN_NAME_PAT.
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136 #
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137 # Note dependency on ASCII. \012 = newline.
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138 # tr ' ' '\n' is, alas, not portable.
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139
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140 if test -s ${MACRO_LIST}
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141 then
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142 if test $VERBOSE -gt 0; then
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143 echo "Forbidden identifiers: `tr '\012' ' ' < ${MACRO_LIST}`"
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144 fi
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145 MN_NAME_PAT="`sed 's/^/\\\\</; s/$/\\\\>/; $!s/$/|/' \
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146 < ${MACRO_LIST} | tr -d '\012'`"
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147 export MN_NAME_PAT
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148 else
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149 if test $VERBOSE -gt 0
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150 then echo "No forbidden identifiers defined by this target" ; fi
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151 fi
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152
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153 # # # # # # # # # # # # # # # # # # # # #
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154 #
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155 # Search each input directory for broken header files.
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156 # This loop ends near the end of the file.
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157 #
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158 if test $# -eq 0
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159 then
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160 INPUTLIST="/usr/include"
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161 else
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162 INPUTLIST="$@"
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163 fi
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164
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165 for INPUT in ${INPUTLIST} ; do
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166
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167 cd ${ORIGDIR}
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168
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169 # Make sure a directory exists before changing into it,
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170 # otherwise Solaris2 will fail-exit the script.
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171 #
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172 if [ ! -d ${INPUT} ]; then
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173 continue
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174 fi
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175 cd ${INPUT}
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176
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177 INPUT=`${PWDCMD}`
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178 export INPUT
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179
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180 #
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181 # # # # # # # # # # # # # # # # # # # # #
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182 #
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183 if test $VERBOSE -gt 1
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184 then echo Finding directories and links to directories ; fi
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185
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186 # Find all directories and all symlinks that point to directories.
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187 # Put the list in $all_dirs.
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188 # Each time we find a symlink, add it to newdirs
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189 # so that we do another find within the dir the link points to.
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190 # Note that $all_dirs may have duplicates in it;
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191 # later parts of this file are supposed to ignore them.
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192 dirs="."
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193 levels=2
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194 all_dirs=""
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195 search_dirs=""
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196
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197 while [ -n "$dirs" ] && [ $levels -gt 0 ]
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198 do
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199 levels=`expr $levels - 1`
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200 newdirs=
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201 for d in $dirs
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202 do
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203 if test $VERBOSE -gt 1
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204 then echo " Searching $INPUT/$d" ; fi
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205
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206 # Find all directories under $d, relative to $d, excluding $d itself.
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207 # (The /. is needed after $d in case $d is a symlink.)
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208 all_dirs="$all_dirs `find $d/. -type d -print | \
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209 sed -e '/\/\.$/d' -e 's@/./@/@g'`"
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210 # Find all links to directories.
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211 # Using `-exec test -d' in find fails on some systems,
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212 # and trying to run test via sh fails on others,
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213 # so this is the simplest alternative left.
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214 # First find all the links, then test each one.
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215 theselinks=
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216 $LINKS && \
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217 theselinks=`find $d/. -type l -print | sed -e 's@/./@/@g'`
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218 for d1 in $theselinks --dummy--
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219 do
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220 # If the link points to a directory,
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221 # add that dir to $newdirs
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222 if [ -d $d1 ]
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223 then
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224 all_dirs="$all_dirs $d1"
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225 if [ "`ls -ld $d1 | sed -n 's/.*-> //p'`" != "." ]
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226 then
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227 newdirs="$newdirs $d1"
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228 search_dirs="$search_dirs $d1"
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229 fi
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230 fi
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231 done
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232 done
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233
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234 dirs="$newdirs"
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235 done
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236
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237 # # # # # # # # # # # # # # # # # # # # #
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238 #
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239 dirs=
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240 if test $VERBOSE -gt 2
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241 then echo "All directories (including links to directories):"
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242 echo $all_dirs
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243 fi
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244
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245 for file in $all_dirs; do
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246 rm -rf $LIB/$file
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247 if [ ! -d $LIB/$file ]
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248 then mkdir $LIB/$file
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249 fi
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250 done
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251 mkdir $LIB/root
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252
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253 # # # # # # # # # # # # # # # # # # # # #
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254 #
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255 # treetops gets an alternating list
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256 # of old directories to copy
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257 # and the new directories to copy to.
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258 treetops=". ${LIB}"
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259
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260 if $LINKS; then
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261 if test $VERBOSE -gt 1
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262 then echo 'Making symbolic directory links' ; fi
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263 cwd=`${PWDCMD}`
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264
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265 for sym_link in $search_dirs; do
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266 cd ${INPUT}
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267 dest=`ls -ld ${sym_link} | sed -n 's/.*-> //p'`
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268
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269 # In case $dest is relative, get to ${sym_link}'s dir first.
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270 #
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271 cd ./`echo ${sym_link} | sed 's;/[^/]*$;;'`
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272
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273 # Check that the target directory exists.
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274 # Redirections changed to avoid bug in sh on Ultrix.
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275 #
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276 (cd $dest) > /dev/null 2>&1
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277 if [ $? = 0 ]; then
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278 cd $dest
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279
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280 # full_dest_dir gets the dir that the link actually leads to.
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281 #
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282 full_dest_dir=`${PWDCMD}`
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283
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284 # Canonicalize ${INPUT} now to minimize the time an
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285 # automounter has to change the result of ${PWDCMD}.
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286 #
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287 cinput=`cd ${INPUT}; ${PWDCMD}`
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288
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289 # If a link points to ., make a similar link to .
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290 #
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291 if [ ${full_dest_dir} = ${cinput} ]; then
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292 if test $VERBOSE -gt 2
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293 then echo ${sym_link} '->' . ': Making self link' ; fi
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294 rm -fr ${LIB}/${sym_link} > /dev/null 2>&1
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295 ln -s . ${LIB}/${sym_link} > /dev/null 2>&1
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296
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297 # If link leads back into ${INPUT},
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298 # make a similar link here.
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299 #
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300 elif expr ${full_dest_dir} : "${cinput}/.*" > /dev/null; then
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301 # Y gets the actual target dir name, relative to ${INPUT}.
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302 y=`echo ${full_dest_dir} | sed -n "s&${cinput}/&&p"`
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303 # DOTS is the relative path from ${LIB}/${sym_link} back to ${LIB}.
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304 dots=`echo "${sym_link}" |
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305 sed -e 's@^./@@' -e 's@/./@/@g' -e 's@[^/][^/]*@..@g' -e 's@..$@@'`
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306 if test $VERBOSE -gt 2
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307 then echo ${sym_link} '->' $dots$y ': Making local link' ; fi
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308 rm -fr ${LIB}/${sym_link} > /dev/null 2>&1
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309 ln -s $dots$y ${LIB}/${sym_link} > /dev/null 2>&1
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310
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311 else
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312 # If the link is to a dir $target outside ${INPUT},
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313 # repoint the link at ${INPUT}/root$target
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314 # and process $target into ${INPUT}/root$target
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315 # treat this directory as if it actually contained the files.
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316 #
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317 if test $VERBOSE -gt 2
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318 then echo ${sym_link} '->' root${full_dest_dir} ': Making rooted link'
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319 fi
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320 if [ -d $LIB/root${full_dest_dir} ]
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321 then true
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322 else
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323 dirname=root${full_dest_dir}/
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324 dirmade=.
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325 cd $LIB
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326 while [ x$dirname != x ]; do
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327 component=`echo $dirname | sed -e 's|/.*$||'`
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328 mkdir $component >/dev/null 2>&1
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329 cd $component
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330 dirmade=$dirmade/$component
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331 dirname=`echo $dirname | sed -e 's|[^/]*/||'`
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332 done
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333 fi
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334
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335 # Duplicate directory structure created in ${LIB}/${sym_link} in new
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336 # root area.
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337 #
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338 for file2 in $all_dirs; do
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339 case $file2 in
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340 ${sym_link}/*)
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341 dupdir=${LIB}/root${full_dest_dir}/`echo $file2 |
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342 sed -n "s|^${sym_link}/||p"`
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343 if test $VERBOSE -gt 2
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344 then echo "Duplicating ${sym_link}'s ${dupdir}" ; fi
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345 if [ -d ${dupdir} ]
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346 then true
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347 else
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348 mkdir ${dupdir}
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349 fi
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350 ;;
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351 *)
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352 ;;
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353 esac
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354 done
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355
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356 # Get the path from ${LIB} to ${sym_link}, accounting for symlinks.
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357 #
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358 parent=`echo "${sym_link}" | sed -e 's@/[^/]*$@@'`
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359 libabs=`cd ${LIB}; ${PWDCMD}`
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360 file2=`cd ${LIB}; cd $parent; ${PWDCMD} | sed -e "s@^${libabs}@@"`
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361
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362 # DOTS is the relative path from ${LIB}/${sym_link} back to ${LIB}.
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363 #
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364 dots=`echo "$file2" | sed -e 's@/[^/]*@../@g'`
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365 rm -fr ${LIB}/${sym_link} > /dev/null 2>&1
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366 ln -s ${dots}root${full_dest_dir} ${LIB}/${sym_link} > /dev/null 2>&1
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367 treetops="$treetops ${sym_link} ${LIB}/root${full_dest_dir}"
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368 fi
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369 fi
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370 done
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371 fi
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372
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373 # # # # # # # # # # # # # # # # # # # # #
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374 #
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375 required=
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376 set x $treetops
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377 shift
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378 while [ $# != 0 ]; do
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379 # $1 is an old directory to copy, and $2 is the new directory to copy to.
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380 #
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381 SRCDIR=`cd ${INPUT} ; cd $1 ; ${PWDCMD}`
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382 export SRCDIR
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383
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384 FIND_BASE=$1
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385 export FIND_BASE
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386 shift
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387
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388 DESTDIR=`cd $1;${PWDCMD}`
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389 export DESTDIR
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390 shift
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391
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392 # The same dir can appear more than once in treetops.
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393 # There's no need to scan it more than once.
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394 #
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395 if [ -f ${DESTDIR}/DONE ]
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396 then continue ; fi
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397
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398 touch ${DESTDIR}/DONE
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399 if test $VERBOSE -gt 1
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400 then echo Fixing directory ${SRCDIR} into ${DESTDIR} ; fi
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401
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402 # Check files which are symlinks as well as those which are files.
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403 #
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404 cd ${INPUT}
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405 required="$required `if $LINKS; then
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406 find ${FIND_BASE}/. -name '*.h' \( -type f -o -type l \) -print
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407 else
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408 find ${FIND_BASE}/. -name '*.h' -type f -print
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409 fi | \
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410 sed -e 's;/\./;/;g' -e 's;//*;/;g' | \
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411 ${FIXINCL}`"
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412 done
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413
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414 ## Make sure that any include files referenced using double quotes
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415 ## exist in the fixed directory. This comes last since otherwise
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416 ## we might end up deleting some of these files "because they don't
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417 ## need any change."
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418 set x `echo $required`
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419 shift
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420 while [ $# != 0 ]; do
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421 newreq=
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422 while [ $# != 0 ]; do
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423 # $1 is the directory to copy from,
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424 # $2 is the unfixed file,
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425 # $3 is the fixed file name.
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426 #
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427 cd ${INPUT}
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428 cd $1
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429 if [ -f $2 ] ; then
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430 if [ -r $2 ] && [ ! -r $3 ]; then
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431 cp $2 $3 >/dev/null 2>&1 || echo "Can't copy $2" >&2
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432 chmod +w $3 2>/dev/null
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433 chmod a+r $3 2>/dev/null
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434 if test $VERBOSE -gt 2
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435 then echo Copied $2 ; fi
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436 for include in `egrep '^[ ]*#[ ]*include[ ]*"[^/]' $3 |
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437 sed -e 's/^[ ]*#[ ]*include[ ]*"\([^"]*\)".*$/\1/'`
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438 do
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439 dir=`echo $2 | sed -e s'|/[^/]*$||'`
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440 dir2=`echo $3 | sed -e s'|/[^/]*$||'`
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441 newreq="$newreq $1 $dir/$include $dir2/$include"
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442 done
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443 fi
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444 fi
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445 shift; shift; shift
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446 done
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447 set x $newreq
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448 shift
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449 done
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450
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451 if test $VERBOSE -gt 2
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452 then echo 'Cleaning up DONE files.' ; fi
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453 cd $LIB
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454 # Look for files case-insensitively, for the benefit of
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455 # DOS/Windows filesystems.
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456 find . -name '[Dd][Oo][Nn][Ee]' -exec rm -f '{}' ';'
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457
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458 if test $VERBOSE -gt 1
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459 then echo 'Cleaning up unneeded directories:' ; fi
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460 cd $LIB
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461 all_dirs=`find . -type d \! -name '.' -print | sort -r`
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462 for file in $all_dirs; do
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463 if rmdir $LIB/$file > /dev/null
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464 then
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465 test $VERBOSE -gt 3 && echo " removed $file"
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466 fi
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467 done 2> /dev/null
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468
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469 # On systems which don't support symlinks, `find' may barf
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470 # if called with "-type l" predicate. So only use that if
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471 # we know we should look for symlinks.
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472 if $LINKS; then
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473 test $VERBOSE -gt 2 && echo "Removing unused symlinks"
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474
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475 all_dirs=`find . -type l -print`
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476 for file in $all_dirs
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477 do
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478 if test ! -d $file
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479 then
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480 rm -f $file
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481 test $VERBOSE -gt 3 && echo " removed $file"
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482 rmdir `dirname $file` > /dev/null && \
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483 test $VERBOSE -gt 3 && \
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|
484 echo " removed `dirname $file`"
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485 fi
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486 done 2> /dev/null
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487 fi
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488
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489 if test $VERBOSE -gt 0
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490 then echo fixincludes is done ; fi
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491
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492 # # # # # # # # # # # # # # # # # # # # #
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493 #
|
|
|
494 # End of for INPUT directories
|
|
|
495 #
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|
496 done
|
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497 #
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498 # # # # # # # # # # # # # # # # # # # # #
|
