1 | #!/bin/bash
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2 | #
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3 | # $Id$
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4 | #
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5 | set -e
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6 |
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7 | declare -i cntr=0
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8 | declare -a spaceSTR=" "
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9 |
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10 | #----------------------------#
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11 | generate_dependency_tree() { #
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12 | #----------------------------#
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13 | : <<inline_doc
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14 | function: Create a dependency tree for the TARGET
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15 | input vars: none
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16 | externals: vars: TARGET
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17 | PKGXML
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18 | DEP_LEVEL
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19 | func: do_dependencies
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20 | modifies: vars: PKGXML
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21 | BLFS_XML
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22 | returns: nothing
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23 | output: files: $TARGET.dep
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24 | $TARGET-index.xml.tmp
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25 | depure.txt
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26 | on error: nothing
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27 | on success: nothing
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28 | inline_doc
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29 |
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30 | local ENTRY_START
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31 | local ENTRY_END
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32 |
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33 | #---------------------
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34 | # Create the working directory and cd into it
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35 | if [[ -d $TARGET ]] ; then
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36 | echo -e "\tERROR: Looks like $TARGET has been already processed."
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37 | echo -e "\tPlease delete or rename the $TARGET directory.\n"
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38 | exit 1
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39 | else
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40 | mkdir $TARGET && cd $TARGET
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41 | fi
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42 |
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43 | #---------------------
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44 | # XML file of the target package
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45 | PKGXML=`grep "^$TARGET[[:space:]]" ../packages | cut -f2`
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46 |
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47 | #---------------------
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48 | # The BLFS sources directory.
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49 | BLFS_XML=`echo $PKGXML | sed -e 's,/.*,,'`
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50 |
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51 | if [[ ! -d ../$BLFS_XML ]] ; then
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52 | echo -e "\tThe BLFS book sources directory is missing.\n"
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53 | echo -e "\tExecution aborted.\n"
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54 | cd .. && rmdir $TARGET
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55 | exit 1
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56 | fi
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57 |
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58 | #---------------------
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59 | # XInclude stuff
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60 | ENTRY_START="<xi:include xmlns:xi=\"http://www.w3.org/2003/XInclude\" href=\"../"
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61 | ENTRY_END="\"/>"
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62 |
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63 | echo -e "\tGenerating $TARGET dependencies tree ..."
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64 |
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65 | mkdir dependencies
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66 |
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67 | #---------------------
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68 | # Create target package dependencies list
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69 | case $TARGET in
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70 | # Skip the creation when all dependencies are circular.
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71 | alsa-lib | cracklib | libexif | unixodbc ) ;;
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72 |
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73 | # Meta-packages at target level
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74 | alsa )
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75 | cp ../libs/alsa.dep dependencies/
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76 | ;;
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77 | gnome-core )
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78 | cp ../libs/gnome-core.dep dependencies/
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79 | ;;
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80 | gnome-full )
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81 | cp ../libs/gnome-{core,full}.dep dependencies/
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82 | ;;
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83 | kde-core )
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84 | cp ../libs/kde-core.dep dependencies/
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85 | ;;
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86 | kde-full )
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87 | cp ../libs/kde-{core,full}.dep dependencies/
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88 | ;;
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89 | kde-koffice )
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90 | cp ../libs/kde-{core,full,koffice}.dep dependencies/
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91 | ;;
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92 | xorg7 )
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93 | cp ../libs/xorg7.dep dependencies/
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94 | ;;
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95 | * ) # Default
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96 | xsltproc --stringparam dependencies $DEP_LEVEL \
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97 | -o dependencies/$TARGET.dep \
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98 | ../libs/dependencies.xsl ../$PKGXML
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99 | ;;
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100 | esac
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101 |
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102 | #---------------------
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103 | # Start with a clean $TARGET-index.xml.tmp file
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104 | > $TARGET-index.xml.tmp
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105 |
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106 | #---------------------
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107 | # Write the XInclude
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108 | case $TARGET in
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109 | # If there is no usefull XML page, skip it.
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110 | alsa | gnome-core | gnome-full | kde-core | kde-full | kde-koffice | xorg7) ;;
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111 | * )
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112 | echo -e " $ENTRY_START$PKGXML$ENTRY_END" >> $TARGET-index.xml.tmp
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113 | ;;
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114 | esac
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115 |
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116 | #---------------------
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117 | # If have dependencies, write its XInclude and find sub-dependencies
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118 | if [[ -f dependencies/$TARGET.dep ]]; then
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119 | mkdir xincludes && do_dependencies $TARGET
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120 | fi
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121 |
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122 | echo -e "\n\t... done"
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123 | }
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124 |
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125 |
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126 |
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127 | #-----------------------#
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128 | do_dependencies() { # Loop to find sub-dependencies :::WARNING::: THIS IS A RECURVISE FUNCTION
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129 | #-----------------------#
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130 | : <<inline_doc
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131 | function: Loop through all the packages and create a sub-dependency tree
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132 | input vars: $1, package name
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133 | externals: vars: $DEP_LEVEL
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134 | $TARGET
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135 | $PRINT_SERVER
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136 | $KBR5
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137 | $GHOSTSCRIPT
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138 | $MAILSERVER
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139 | file: depure.txt
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140 | $TARGET-index.xml.tmp
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141 | $PKG.dep
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142 | $PKG.inc
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143 | modifies: files
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144 | returns: nothing
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145 | output: file: $PKG-xinc.tmp
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146 | depure.txt
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147 | $TARGET-index.xml.tmp
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148 | on error: exit
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149 | on success:
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150 | inline_doc
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151 |
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152 | set -e
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153 | local PKG=$1
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154 | local saveIFS=$IFS
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155 | local DEP_LV=$DEP_LEVEL
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156 | local line line2 DEP pkg_ver inst_ver
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157 |
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158 | #------------------
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159 | # If a premade xinclude file exists, use it. If not, create one
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160 | if [[ -f xincludes/$PKG.xinc ]] ; then
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161 | IFS=$'\x0A'
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162 | for line in `cat xincludes/$PKG.xinc` ; do
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163 | IFS=$saveIFS
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164 | # Remove the Xinclude entry if found. We want the most newer one.
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165 | # Using double quotes to let bash expand variables.
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166 | # Remove also the empty line created. Can not be done in one step
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167 | # due that d requires the pattner between /, but we have a lot of /
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168 | # inside the pattner.
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169 | sed -e "s,^[[:space:]]*$line,," -e '/./!d' -i $TARGET-index.xml.tmp
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170 | # Write the XInclude
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171 | echo -e "$line" >> $TARGET-index.xml.tmp
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172 | done
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173 | return
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174 | fi
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175 |
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176 | #------------------
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177 | # Start with a clean $PKG.xinc.tmp file
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178 | > xincludes/$PKG.xinc.tmp
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179 | for DEP in `cat dependencies/$PKG.dep`; do
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180 |
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181 | # Special packages that need be remaped
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182 | case $DEP in
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183 |
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184 | db ) continue ;; # The proper version of DB is installed in LFS
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185 |
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186 | # Don't have their own XML file
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187 | hal-requirements | hal-runtime-dependencies ) continue ;;
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188 | perl-* | tk-perl ) DEP=perl-modules ;;
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189 | dbus-* ) DEP=dbus-bindings ;;
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190 |
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191 | # Orphan links (proper link must be created when generating the book)
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192 | arts ) DEP=aRts ;;
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193 | kde ) DEP=kde-core ;;
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194 |
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195 | # Set values for alternative packages
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196 | LPRng | cups ) DEP=$PRINT_SERVER ;;
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197 | mitkrb | heimdal ) DEP=$KBR5 ;;
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198 | gs | espgs ) DEP=$GHOSTSCRIPT ;;
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199 | server-mail ) DEP=$MAIL_SERVER ;;
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200 | x-window-system )
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201 | case $X11 in
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202 | xorg7 ) DEP=xorg7 ;;
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203 | * )
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204 | pkg_ver=$(grep "^${X11}[[:space:]]" ../packages | cut -f3)
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205 | inst_ver=$(grep "^${X11}[[:space:]]" ../packages | cut -f4)
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206 | [ -n "${pkg_ver}" ] && [ "x${pkg_ver}" = "x${inst_ver}" ] && continue
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207 | ;;
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208 | esac
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209 | ;;
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210 | esac
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211 |
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212 | # If DEP has been previouly installed, skip it
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213 | pkg_ver=$(grep "^${DEP}[[:space:]]" ../packages | cut -f3)
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214 | inst_ver=$(grep "^${DEP}[[:space:]]" ../packages | cut -f4)
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215 | [ -n "${pkg_ver}" ] && [ "x${pkg_ver}" = "x${inst_ver}" ] && continue
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216 |
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217 | #------------------
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218 | # Prevent circular dependencies
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219 | # If all dependencies are circular, the creation of the *.dep file
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220 | # must be skipped, not placed here, to avoid that the script will bomb
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221 | # due empty *.xinc files
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222 | case $DEP in
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223 | akode )
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224 | # Both are in the same page
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225 | [[ "$PKG" = "kdemultimedia" ]] && continue
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226 | ;;
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227 | aRts )
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228 | # esound-->aRts-->esound
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229 | [[ "$PKG" = "esound" ]] && continue
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230 | ;;
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231 | dbus-bindings )
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232 | # True circular dependecy
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233 | [[ "$PKG" = "dbus-bindings" ]] && continue
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234 | ;;
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235 | DocBook )
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236 | # Used to rebuild the documentation
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237 | [[ "$PKG" = "linux-pam" ]] && continue
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238 | ;;
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239 | docbook-xsl )
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240 | # Used to rebuild the documentation
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241 | [[ "$PKG" = "linux-pam" ]] && continue
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242 | ;;
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243 | doxygen )
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244 | # Used to rebuild the documentation
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245 | [[ "$PKG" = "dbus" ]] && continue
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246 | [[ "$PKG" = "libdvdcss" ]] && continue
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247 | [[ "$PKG" = "libusb" ]] && continue
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248 | [[ "$PKG" = "libxcb" ]] && continue
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249 | ;;
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250 | espgs )
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251 | # Used to rebuild the documentation
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252 | [[ "$PKG" = "$MAIL_SERVER" ]] && continue
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253 | ;;
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254 | ffmpeg )
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255 | # alsa-plugins-->ffmpeg-->several-->alsa-plugins
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256 | [[ "$PKG" = "alsa-plugins" ]] && continue
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257 | ;;
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258 | fop )
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259 | # Used to rebuild the documentation
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260 | [[ "$PKG" = "linux-pam" ]] && continue
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261 | ;;
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262 | graphviz )
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263 | # Used to build the API documentation
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264 | [[ "$PKG" = "libusb" ]] && continue
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265 | ;;
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266 | GTK )
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267 | # deprecated GTK version
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268 | [[ "$PKG" = "alsa-tools" ]] && continue
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269 | ;;
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270 | gtk2 )
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271 | # Testsuite only
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272 | [[ "$PKG" = "cairo" ]] && continue
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273 | ;;
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274 | jadetex )
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275 | # Runtime only
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276 | [[ "$PKG" = "docbook-utils" ]] && continue
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277 | ;;
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278 | $KBR5 )
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279 | # cyrus-sasl-->postgresql-->$KBR5-->openldap-->cyrus-sasl
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280 | [[ "$PKG" = "cyrus-sasl" ]] && continue
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281 | ;;
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282 | librsvg )
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283 | # Testsuite only
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284 | [[ "$PKG" = "cairo" ]] && continue
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285 | ;;
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286 | libxslt )
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287 | # libxml2-->libxslt-->libxml2
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288 | [[ "$PKG" = "libxml2" ]] && continue
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289 | ;;
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290 | Links )
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291 | # Runtime only
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292 | [[ "$PKG" = "docbook-utils" ]] && continue
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293 | ;;
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294 | lynx )
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295 | # Runtime only
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296 | [[ "$PKG" = "docbook-utils" ]] && continue
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297 | ;;
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298 | openldap )
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299 | # cyrus-sasl-->postgresql-->$KBR5-->openldap-->cyrus-sasl
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300 | [[ "$PKG" = "cyrus-sasl" ]] && continue
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301 | ;;
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302 | poppler )
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303 | # Testsuite only
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304 | [[ "$PKG" = "cairo" ]] && continue
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305 | ;;
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306 | postgresql )
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307 | # cyrus-sasl-->postgresql-->$KBR5-->openldap-->cyrus-sasl
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308 | [[ "$PKG" = "cyrus-sasl" ]] && continue
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309 | ;;
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310 | tk )
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311 | # python-->tk-->xorg7-->several combinations-->libxslt-->python
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312 | [[ "$PKG" = "python" ]] && continue
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313 | ;;
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314 | w3m )
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315 | # Runtime only
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316 | [[ "$PKG" = "docbook-utils" ]] && continue
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317 | # Used to rebuild the documentation
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318 | [[ "$PKG" = "linux-pam" ]] && continue
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319 | ;;
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320 | esac
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321 |
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322 | #------------------
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323 | # XML file of dependency package
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324 | DEP_XML=`grep "^$DEP[[:space:]]" ../packages | cut -f2`
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325 | case $DEP in
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326 | x-window-system | alsa ) ;; # No page for that (proper link must be created when generating the book)
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327 | xorg7 ) ;; # This page will be dump in the xorg7.xinc file
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328 | gnome-core | kde-core | kde-full ) ;; # Invented packages
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329 | * )
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330 | # Remove the Xinclude entry if found
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331 | sed -e "s,^[[:space:]]*$ENTRY_START$DEP_XML$ENTRY_END,," \
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332 | -e '/./!d' -i xincludes/$PKG.xinc.tmp
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333 | # Write the XInclude
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334 | echo -e " $ENTRY_START$DEP_XML$ENTRY_END" >> xincludes/$PKG.xinc.tmp
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335 | ;;
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336 | esac
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337 |
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338 | #------------------
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339 | # If not already created, create its dependencies list
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340 | if [[ ! -f dependencies/$DEP.dep ]] ; then
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341 | case $DEP in
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342 | # Skip the creation when all dependencies are circular.
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343 | alsa-lib | cracklib | libexif | unixodbc ) ;;
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344 | # Meta-packages at dependency level
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345 | alsa )
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346 | cp ../libs/alsa.dep dependencies/
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347 | ;;
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348 | kde-core )
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349 | cp ../libs/kde-core.dep dependencies/
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350 | ;;
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351 | x-window-system ) # When X11 is not Xorg7
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352 | echo -e "x-config\nx-setup\n$X11" > dependencies/x-window-system.dep
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353 | ;;
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354 | xorg7 )
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355 | cp ../libs/xorg7.dep dependencies/
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356 | ;;
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357 | * ) xsltproc --stringparam dependencies $DEP_LV \
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358 | -o dependencies/$DEP.dep ../libs/dependencies.xsl ../$DEP_XML
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359 | ;;
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360 | esac
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361 | fi
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362 |
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363 | #------------------
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364 | # If needed, process its dependencies
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365 | if [[ -f dependencies/$DEP.dep ]] ; then
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366 | # If a premade xinclude file esist, include it
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367 | if [[ -f xincludes/$DEP.xinc ]] ; then
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368 | IFS=$'\x0A'
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369 | for line2 in `cat xincludes/$DEP.xinc` ; do
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370 | IFS=$saveIFS
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371 | # Remove the Xinclude entry if found
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372 | sed -e "s,^[[:space:]]*$line2,," -e '/./!d' -i xincludes/$PKG.xinc.tmp
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373 | # Write the XInclude
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374 | echo -e "$line2" >> xincludes/$PKG.xinc.tmp
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375 | done
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376 | #------------------
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377 | # Create the xinclude file
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378 | else
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379 | #
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380 | # >>>>>> THIS IS A RECURSIVE FUNCTION CALL.. BEWARE OF GREMLINS. <<<<<<
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381 | #
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382 | # If the recursion depth is not too great this is an acceptable methodology for a script language
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383 | # However, uncontrolled recursion will cause a seg-fault due to stack issues with local variables.
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384 | #
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385 | set +e
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386 | [[ "${VERBOSITY}" > 0 ]] && echo -ne "\ncall: $((++cntr))${spaceSTR:0:$cntr}${RED}$DEP${OFF}"
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387 | do_dependencies $DEP
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388 | [[ "${VERBOSITY}" > 0 ]] && echo -ne "\n ret: $cntr${spaceSTR:0:$((cntr--))}${GREEN}$DEP${OFF} Using $DEP Xinc to solve $PKG"
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389 | set -e
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390 |
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391 | # Include it when done
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392 | IFS=$'\x0A'
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393 | for line2 in `cat xincludes/$DEP.xinc` ; do
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394 | IFS=$saveIFS
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395 | # Remove the Xinclude entry if found
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396 | sed -e "s,^[[:space:]]*$line2,," -e '/./!d' -i xincludes/$PKG.xinc.tmp
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397 | # Write the XInclude
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398 | echo -e "$line2" >> xincludes/$PKG.xinc.tmp
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399 | done
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400 | fi
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401 | fi
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402 | done
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403 |
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404 | #------------------
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405 | if [[ "$PKG" = "xorg7" ]] ; then
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406 | # Add their XInclude
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407 | PKG_XML=${BLFS_XML}/x/installing/xorg7.xml
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408 | echo -e " $ENTRY_START$PKG_XML$ENTRY_END" >> xincludes/$PKG.xinc.tmp
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409 | fi
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410 |
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411 | #------------------
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412 | mv xincludes/$PKG.xinc.tmp xincludes/$PKG.xinc
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413 | IFS=$'\x0A'
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414 | for line in `cat xincludes/$PKG.xinc` ; do
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415 | IFS=$saveIFS
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416 | # Remove the Xinclude entry if found.
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417 | sed -e "s,^[[:space:]]*$line,," -e '/./!d' -i $TARGET-index.xml.tmp
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418 | # Write the XInclude
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419 | echo -e "$line" >> $TARGET-index.xml.tmp
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420 | done
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421 | }
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