0
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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 -p $LIB || {
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45 echo fixincludes: output dir '`'$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 $LIB/ShouldNotExist
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121 LINKS=true
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122 elif ln -s X /tmp/ShouldNotExist 2>/dev/null; then
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123 rm -f /tmp/ShouldNotExist
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124 LINKS=true
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125 else
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126 LINKS=false
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127 fi
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128
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129 # # # # # # # # # # # # # # # # # # # # #
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130 #
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111
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131 # Check to see if the machine_name fix needs to be disabled.
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132 #
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133 # On some platforms, machine_name doesn't work properly and
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134 # breaks some of the header files. Since everything works
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135 # properly without it, just wipe the macro list to
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136 # disable the fix.
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137
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138 case "${target_canonical}" in
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139 *-*-vxworks*)
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140 test -f ${MACRO_LIST} && echo > ${MACRO_LIST}
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141 ;;
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142 esac
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143
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144
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145 # # # # # # # # # # # # # # # # # # # # #
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146 #
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147 # In the file macro_list are listed all the predefined
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148 # macros that are not in the C89 reserved namespace (the reserved
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149 # namespace is all identifiers beginnning with two underscores or one
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150 # underscore followed by a capital letter). A regular expression to find
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151 # any of those macros in a header file is written to MN_NAME_PAT.
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152 #
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153 # Note dependency on ASCII. \012 = newline.
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154 # tr ' ' '\n' is, alas, not portable.
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155
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156 if test -s ${MACRO_LIST}
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157 then
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158 if test $VERBOSE -gt 0; then
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159 echo "Forbidden identifiers: `tr '\012' ' ' < ${MACRO_LIST}`"
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160 fi
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161 MN_NAME_PAT="`sed 's/^/\\\\</; s/$/\\\\>/; $!s/$/|/' \
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162 < ${MACRO_LIST} | tr -d '\012'`"
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163 export MN_NAME_PAT
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164 else
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165 if test $VERBOSE -gt 0
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166 then echo "No forbidden identifiers defined by this target" ; fi
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167 fi
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168
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169 # # # # # # # # # # # # # # # # # # # # #
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170 #
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171 # Search each input directory for broken header files.
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172 # This loop ends near the end of the file.
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173 #
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174 if test $# -eq 0
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175 then
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176 INPUTLIST="/usr/include"
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177 else
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178 INPUTLIST="$@"
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179 fi
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180
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181 for INPUT in ${INPUTLIST} ; do
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182
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183 cd ${ORIGDIR}
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184
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185 # Make sure a directory exists before changing into it,
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186 # otherwise Solaris2 will fail-exit the script.
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187 #
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188 if [ ! -d ${INPUT} ]; then
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189 continue
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190 fi
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191 cd ${INPUT}
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192
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193 INPUT=`${PWDCMD}`
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194 export INPUT
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195
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196 #
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197 # # # # # # # # # # # # # # # # # # # # #
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198 #
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199 if test $VERBOSE -gt 1
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200 then echo Finding directories and links to directories ; fi
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201
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202 # Find all directories and all symlinks that point to directories.
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203 # Put the list in $all_dirs.
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204 # Each time we find a symlink, add it to newdirs
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205 # so that we do another find within the dir the link points to.
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206 # Note that $all_dirs may have duplicates in it;
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207 # later parts of this file are supposed to ignore them.
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208 dirs="."
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209 levels=2
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210 all_dirs=""
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211 search_dirs=""
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212
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213 while [ -n "$dirs" ] && [ $levels -gt 0 ]
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214 do
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215 levels=`expr $levels - 1`
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216 newdirs=
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217 for d in $dirs
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218 do
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219 if test $VERBOSE -gt 1
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220 then echo " Searching $INPUT/$d" ; fi
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221
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222 # Find all directories under $d, relative to $d, excluding $d itself.
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223 # (The /. is needed after $d in case $d is a symlink.)
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224 all_dirs="$all_dirs `find $d/. -type d -print | \
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225 sed -e '/\/\.$/d' -e 's@/./@/@g'`"
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226 # Find all links to directories.
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227 # Using `-exec test -d' in find fails on some systems,
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228 # and trying to run test via sh fails on others,
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229 # so this is the simplest alternative left.
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230 # First find all the links, then test each one.
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231 theselinks=
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232 $LINKS && \
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233 theselinks=`find $d/. -type l -print | sed -e 's@/./@/@g'`
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234 for d1 in $theselinks --dummy--
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235 do
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236 # If the link points to a directory,
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237 # add that dir to $newdirs
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238 if [ -d $d1 ]
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239 then
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240 all_dirs="$all_dirs $d1"
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241 if [ "`ls -ld $d1 | sed -n 's/.*-> //p'`" != "." ]
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242 then
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243 newdirs="$newdirs $d1"
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244 search_dirs="$search_dirs $d1"
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245 fi
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246 fi
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247 done
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248 done
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249
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250 dirs="$newdirs"
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251 done
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252
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253 # # # # # # # # # # # # # # # # # # # # #
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254 #
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255 dirs=
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256 if test $VERBOSE -gt 2
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257 then echo "All directories (including links to directories):"
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258 echo $all_dirs
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259 fi
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260
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261 for file in $all_dirs; do
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262 rm -rf $LIB/$file
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263 if [ ! -d $LIB/$file ]
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264 then mkdir $LIB/$file
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265 fi
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266 done
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267 mkdir $LIB/root
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268
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269 # # # # # # # # # # # # # # # # # # # # #
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270 #
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271 # treetops gets an alternating list
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272 # of old directories to copy
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273 # and the new directories to copy to.
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274 treetops=". ${LIB}"
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275
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276 if $LINKS; then
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277 if test $VERBOSE -gt 1
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278 then echo 'Making symbolic directory links' ; fi
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279 cwd=`${PWDCMD}`
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280
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281 for sym_link in $search_dirs; do
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282 cd ${INPUT}
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283 dest=`ls -ld ${sym_link} | sed -n 's/.*-> //p'`
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284
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285 # In case $dest is relative, get to ${sym_link}'s dir first.
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286 #
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287 cd ./`echo ${sym_link} | sed 's;/[^/]*$;;'`
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288
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289 # Check that the target directory exists.
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290 # Redirections changed to avoid bug in sh on Ultrix.
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291 #
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292 (cd $dest) > /dev/null 2>&1
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293 if [ $? = 0 ]; then
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294 cd $dest
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295
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296 # full_dest_dir gets the dir that the link actually leads to.
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297 #
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298 full_dest_dir=`${PWDCMD}`
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299
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300 # Canonicalize ${INPUT} now to minimize the time an
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301 # automounter has to change the result of ${PWDCMD}.
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302 #
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303 cinput=`cd ${INPUT}; ${PWDCMD}`
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304
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305 # If a link points to ., make a similar link to .
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306 #
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307 if [ ${full_dest_dir} = ${cinput} ]; then
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308 if test $VERBOSE -gt 2
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309 then echo ${sym_link} '->' . ': Making self link' ; fi
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310 rm -fr ${LIB}/${sym_link} > /dev/null 2>&1
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311 ln -s . ${LIB}/${sym_link} > /dev/null 2>&1
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312
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313 # If link leads back into ${INPUT},
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314 # make a similar link here.
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315 #
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316 elif expr ${full_dest_dir} : "${cinput}/.*" > /dev/null; then
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317 # Y gets the actual target dir name, relative to ${INPUT}.
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318 y=`echo ${full_dest_dir} | sed -n "s&${cinput}/&&p"`
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319 # DOTS is the relative path from ${LIB}/${sym_link} back to ${LIB}.
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320 dots=`echo "${sym_link}" |
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321 sed -e 's@^./@@' -e 's@/./@/@g' -e 's@[^/][^/]*@..@g' -e 's@..$@@'`
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322 if test $VERBOSE -gt 2
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323 then echo ${sym_link} '->' $dots$y ': Making local link' ; fi
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324 rm -fr ${LIB}/${sym_link} > /dev/null 2>&1
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325 ln -s $dots$y ${LIB}/${sym_link} > /dev/null 2>&1
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326
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327 else
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328 # If the link is to a dir $target outside ${INPUT},
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329 # repoint the link at ${INPUT}/root$target
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330 # and process $target into ${INPUT}/root$target
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331 # treat this directory as if it actually contained the files.
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332 #
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333 if test $VERBOSE -gt 2
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334 then echo ${sym_link} '->' root${full_dest_dir} ': Making rooted link'
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335 fi
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336 if [ -d $LIB/root${full_dest_dir} ]
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337 then true
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338 else
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339 dirname=root${full_dest_dir}/
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340 dirmade=.
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341 cd $LIB
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342 while [ x$dirname != x ]; do
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343 component=`echo $dirname | sed -e 's|/.*$||'`
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344 mkdir $component >/dev/null 2>&1
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345 cd $component
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346 dirmade=$dirmade/$component
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111
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347 dirname=`echo $dirname | sed -e 's|[^/]*//*||'`
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0
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348 done
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349 fi
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350
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351 # Duplicate directory structure created in ${LIB}/${sym_link} in new
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352 # root area.
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353 #
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354 for file2 in $all_dirs; do
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355 case $file2 in
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356 ${sym_link}/*)
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357 dupdir=${LIB}/root${full_dest_dir}/`echo $file2 |
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358 sed -n "s|^${sym_link}/||p"`
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359 if test $VERBOSE -gt 2
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360 then echo "Duplicating ${sym_link}'s ${dupdir}" ; fi
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361 if [ -d ${dupdir} ]
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362 then true
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363 else
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364 mkdir ${dupdir}
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365 fi
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366 ;;
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367 *)
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368 ;;
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369 esac
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370 done
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371
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372 # Get the path from ${LIB} to ${sym_link}, accounting for symlinks.
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373 #
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374 parent=`echo "${sym_link}" | sed -e 's@/[^/]*$@@'`
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375 libabs=`cd ${LIB}; ${PWDCMD}`
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376 file2=`cd ${LIB}; cd $parent; ${PWDCMD} | sed -e "s@^${libabs}@@"`
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377
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378 # DOTS is the relative path from ${LIB}/${sym_link} back to ${LIB}.
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379 #
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380 dots=`echo "$file2" | sed -e 's@/[^/]*@../@g'`
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381 rm -fr ${LIB}/${sym_link} > /dev/null 2>&1
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382 ln -s ${dots}root${full_dest_dir} ${LIB}/${sym_link} > /dev/null 2>&1
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383 treetops="$treetops ${sym_link} ${LIB}/root${full_dest_dir}"
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384 fi
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385 fi
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386 done
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387 fi
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388
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389 # # # # # # # # # # # # # # # # # # # # #
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390 #
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391 required=
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392 set x $treetops
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393 shift
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394 while [ $# != 0 ]; do
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395 # $1 is an old directory to copy, and $2 is the new directory to copy to.
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396 #
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397 SRCDIR=`cd ${INPUT} ; cd $1 ; ${PWDCMD}`
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398 export SRCDIR
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399
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400 FIND_BASE=$1
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401 export FIND_BASE
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402 shift
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403
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404 DESTDIR=`cd $1;${PWDCMD}`
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405 export DESTDIR
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406 shift
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407
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408 # The same dir can appear more than once in treetops.
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409 # There's no need to scan it more than once.
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410 #
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411 if [ -f ${DESTDIR}/DONE ]
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412 then continue ; fi
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413
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414 touch ${DESTDIR}/DONE
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415 if test $VERBOSE -gt 1
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416 then echo Fixing directory ${SRCDIR} into ${DESTDIR} ; fi
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417
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418 # Check files which are symlinks as well as those which are files.
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419 #
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420 cd ${INPUT}
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421 required="$required `if $LINKS; then
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422 find ${FIND_BASE}/. -name '*.h' \( -type f -o -type l \) -print
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423 else
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424 find ${FIND_BASE}/. -name '*.h' -type f -print
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425 fi | \
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426 sed -e 's;/\./;/;g' -e 's;//*;/;g' | \
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427 ${FIXINCL}`"
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428 done
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429
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430 ## Make sure that any include files referenced using double quotes
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431 ## exist in the fixed directory. This comes last since otherwise
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432 ## we might end up deleting some of these files "because they don't
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433 ## need any change."
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434 set x `echo $required`
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435 shift
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436 while [ $# != 0 ]; do
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437 newreq=
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438 while [ $# != 0 ]; do
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439 # $1 is the directory to copy from,
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440 # $2 is the unfixed file,
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441 # $3 is the fixed file name.
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442 #
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443 cd ${INPUT}
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444 cd $1
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445 if [ -f $2 ] ; then
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446 if [ -r $2 ] && [ ! -r $3 ]; then
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447 cp $2 $3 >/dev/null 2>&1 || echo "Can't copy $2" >&2
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448 chmod +w $3 2>/dev/null
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449 chmod a+r $3 2>/dev/null
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450 if test $VERBOSE -gt 2
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451 then echo Copied $2 ; fi
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452 for include in `egrep '^[ ]*#[ ]*include[ ]*"[^/]' $3 |
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453 sed -e 's/^[ ]*#[ ]*include[ ]*"\([^"]*\)".*$/\1/'`
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454 do
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455 dir=`echo $2 | sed -e s'|/[^/]*$||'`
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456 dir2=`echo $3 | sed -e s'|/[^/]*$||'`
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457 newreq="$newreq $1 $dir/$include $dir2/$include"
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458 done
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459 fi
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460 fi
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461 shift; shift; shift
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462 done
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463 set x $newreq
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464 shift
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465 done
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466
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467 if test $VERBOSE -gt 2
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468 then echo 'Cleaning up DONE files.' ; fi
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469 cd $LIB
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470 # Look for files case-insensitively, for the benefit of
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471 # DOS/Windows filesystems.
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472 find . -name '[Dd][Oo][Nn][Ee]' -exec rm -f '{}' ';'
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473
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474 if test $VERBOSE -gt 1
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475 then echo 'Cleaning up unneeded directories:' ; fi
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476 cd $LIB
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477 all_dirs=`find . -type d \! -name '.' -print | sort -r`
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478 for file in $all_dirs; do
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479 if rmdir $LIB/$file > /dev/null
|
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480 then
|
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481 test $VERBOSE -gt 3 && echo " removed $file"
|
|
482 fi
|
|
483 done 2> /dev/null
|
|
484
|
|
485 # On systems which don't support symlinks, `find' may barf
|
|
486 # if called with "-type l" predicate. So only use that if
|
|
487 # we know we should look for symlinks.
|
|
488 if $LINKS; then
|
|
489 test $VERBOSE -gt 2 && echo "Removing unused symlinks"
|
|
490
|
|
491 all_dirs=`find . -type l -print`
|
|
492 for file in $all_dirs
|
|
493 do
|
|
494 if test ! -d $file
|
|
495 then
|
|
496 rm -f $file
|
|
497 test $VERBOSE -gt 3 && echo " removed $file"
|
|
498 rmdir `dirname $file` > /dev/null && \
|
|
499 test $VERBOSE -gt 3 && \
|
|
500 echo " removed `dirname $file`"
|
|
501 fi
|
|
502 done 2> /dev/null
|
|
503 fi
|
|
504
|
|
505 if test $VERBOSE -gt 0
|
|
506 then echo fixincludes is done ; fi
|
|
507
|
|
508 # # # # # # # # # # # # # # # # # # # # #
|
|
509 #
|
|
510 # End of for INPUT directories
|
|
511 #
|
|
512 done
|
|
513 #
|
|
514 # # # # # # # # # # # # # # # # # # # # #
|