| 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/$PKG.dep`; do
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| 180 | # If DEP has been previouly installed, skip it
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| 181 | pkg_ver=$(grep "^${DEP}[[:space:]]" ../packages | cut -f3)
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| 182 | inst_ver=$(grep "^${DEP}[[:space:]]" ../packages | cut -f4)
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| 183 | [ -n "${pkg_ver}" ] && [ "x${pkg_ver}" = "x${inst_ver}" ] && continue
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| 184 |
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| 185 | # Special packages (a lot of hacks)
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| 186 | case $DEP in
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| 187 |
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| 188 | db ) continue ;; # The proper version of DB is installed in LFS
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| 189 |
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| 190 | # Don't have their own XML file
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| 191 | hal-requirements | hal-runtime-dependencies ) continue ;;
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| 192 | perl-* | tk-perl ) DEP=perl-modules ;;
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| 193 |
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| 194 | # Orphan links (proper link must be created when generating the book)
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| 195 | arts ) DEP=aRts ;;
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| 196 | kde ) DEP=kde-core ;;
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| 197 |
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| 198 | # Set values for alternative packages
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| 199 | # X is a meta-package, thus handled in another way.
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| 200 | LPRng | cups ) DEP=$PRINT_SERVER ;;
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| 201 | mitkrb | heimdal ) DEP=$KBR5 ;;
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| 202 | gs | espgs ) DEP=$GHOSTSCRIPT ;;
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| 203 | server-mail ) DEP=$MAIL_SERVER ;;
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| 204 | esac
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| 205 |
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| 206 | #------------------
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| 207 | # Prevent circular dependencies
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| 208 | # If all dependencies are circular, the creation of the *.dep file
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| 209 | # must be skipped, not placed here, to avoid that the script will bomb
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| 210 | # due empty *.xinc files
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| 211 | case $DEP in
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| 212 | jadetex | perl-* | lynx | Links | w3m )
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| 213 | # Optional dependencies are runtime only
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| 214 | [[ "$PKG" = "docbook-utils" ]] && continue
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| 215 | ;;
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| 216 | libxslt )
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| 217 | # libxml2-->libxslt-->libxml2
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| 218 | [[ "$PKG" = "libxml2" ]] && continue
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| 219 | ;;
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| 220 | openldap | postgresql | $KBR5 )
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| 221 | # cyrus-sasl-->several-->cyrus-sasl
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| 222 | [[ "$PKG" = "cyrus-sasl" ]] && continue
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| 223 | ;;
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| 224 | espgs )
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| 225 | # sendmail-->espgs-->cups-->php-->sendmail
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| 226 | [[ "$PKG" = "$MAIL_SERVER" ]] && continue
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| 227 | ;;
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| 228 | aRts )
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| 229 | # esound-->aRts-->esound
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| 230 | [[ "$PKG" = "esound" ]] && continue
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| 231 | ;;
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| 232 | gimp | sane )
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| 233 | # imagemagick-->{sane}-->gimp-->imagemagick
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| 234 | [[ "$PKG" = "imagemagick" ]] && continue
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| 235 | ;;
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| 236 | ffmpeg )
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| 237 | # alsa-plugins-->ffmpeg-->several-->alsa-plugins
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| 238 | [[ "$PKG" = "alsa-plugins" ]] && continue
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| 239 | ;;
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| 240 | akode )
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| 241 | # Both are in the same page
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| 242 | [[ "$PKG" = "kdemultimedia" ]] && continue
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| 243 | ;;
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| 244 | esac
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| 245 |
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| 246 | #------------------
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| 247 | # XML file of dependency package
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| 248 | DEP_XML=`grep "^$DEP[[:space:]]" ../packages | cut -f2`
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| 249 | case $DEP in
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| 250 | x-window-system | alsa ) ;; # No page for that (proper link must be created when generating the book)
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| 251 | xorg7 ) ;; # This page will be dump in the xorg7.xinc file
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| 252 | gnome-core | kde-core | kde-full ) ;; # Invented packages
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| 253 | * )
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| 254 | # Remove the Xinclude entry if found
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| 255 | sed -e "s,^[[:space:]]*$ENTRY_START$DEP_XML$ENTRY_END,," \
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| 256 | -e '/./!d' -i xincludes/$PKG.xinc.tmp
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| 257 | # Write the XInclude
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| 258 | echo -e " $ENTRY_START$DEP_XML$ENTRY_END" >> xincludes/$PKG.xinc.tmp
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| 259 | ;;
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| 260 | esac
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| 261 |
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| 262 | #------------------
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| 263 | # If not already created, create its dependencies list
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| 264 | if [[ ! -f dependencies/$DEP.dep ]] ; then
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| 265 | case $DEP in
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| 266 | # Skip the creation when all dependencies are circular.
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| 267 | alsa-lib | cracklib | libexif | unixodbc ) ;;
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| 268 | # Meta-packages at dependency level
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| 269 | alsa )
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| 270 | cp ../libs/alsa.dep dependencies/
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| 271 | ;;
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| 272 | kde-core )
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| 273 | cp ../libs/kde-core.dep dependencies/
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| 274 | ;;
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| 275 | x-window-system ) # X11 alternatives
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| 276 | echo -e "x-config\nx-setup\n$X11" > dependencies/x-window-system.dep
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| 277 | ;;
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| 278 | xorg7 ) # At dependencies level, remove x-config and x-setup
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| 279 | cp ../libs/xorg7.dep dependencies/
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| 280 | sed -i '/x-config/d;/x-setup/d' dependencies/xorg7.dep
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| 281 | ;;
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| 282 | * ) xsltproc --stringparam dependencies $DEP_LV \
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| 283 | -o dependencies/$DEP.dep ../libs/dependencies.xsl ../$DEP_XML
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| 284 | ;;
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| 285 | esac
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| 286 | fi
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| 287 |
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| 288 | #------------------
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| 289 | # If needed, process its dependencies
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| 290 | if [[ -f dependencies/$DEP.dep ]] ; then
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| 291 | # If a premade xinclude file esist, include it
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| 292 | if [[ -f xincludes/$DEP.xinc ]] ; then
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| 293 | IFS=$'\x0A'
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| 294 | for line2 in `cat xincludes/$DEP.xinc` ; do
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| 295 | IFS=$saveIFS
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| 296 | # Remove the Xinclude entry if found
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| 297 | sed -e "s,^[[:space:]]*$line2,," -e '/./!d' -i xincludes/$PKG.xinc.tmp
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| 298 | # Write the XInclude
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| 299 | echo -e "$line2" >> xincludes/$PKG.xinc.tmp
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| 300 | done
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| 301 | #------------------
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| 302 | # Create the xinclude file
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| 303 | else
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| 304 | #
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| 305 | # >>>>>> THIS IS A RECURSIVE FUNCTION CALL.. BEWARE OF GREMLINS. <<<<<<
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| 306 | #
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| 307 | # If the recursion depth is not too great this is an acceptable methodology for a script language
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| 308 | # However, uncontrolled recursion will cause a seg-fault due to stack issues with local variables.
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| 309 | #
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| 310 | set +e
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| 311 | [[ "${VERBOSITY}" > 0 ]] && echo -ne "\ncall: $((++cntr))${spaceSTR:0:$cntr}${RED}$DEP${OFF}"
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| 312 | do_dependencies $DEP
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| 313 | [[ "${VERBOSITY}" > 0 ]] && echo -ne "\n ret: $cntr${spaceSTR:0:$((cntr--))}${GREEN}$DEP${OFF} Using $DEP Xinc to solve $PKG"
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| 314 | set -e
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| 315 |
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| 316 | # Include it when done
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| 317 | IFS=$'\x0A'
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| 318 | for line2 in `cat xincludes/$DEP.xinc` ; do
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| 319 | IFS=$saveIFS
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| 320 | # Remove the Xinclude entry if found
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| 321 | sed -e "s,^[[:space:]]*$line2,," -e '/./!d' -i xincludes/$PKG.xinc.tmp
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| 322 | # Write the XInclude
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| 323 | echo -e "$line2" >> xincludes/$PKG.xinc.tmp
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| 324 | done
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| 325 | fi
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| 326 | fi
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| 327 | done
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| 328 |
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| 329 | #------------------
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| 330 | if [[ "$PKG" = "xorg7" ]] ; then
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| 331 | # Add their XInclude
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| 332 | PKG_XML=${BLFS_XML}/x/installing/xorg7.xml
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| 333 | echo -e " $ENTRY_START$PKG_XML$ENTRY_END" >> xincludes/$PKG.xinc.tmp
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| 334 | fi
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| 335 |
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| 336 | #------------------
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| 337 | mv xincludes/$PKG.xinc.tmp xincludes/$PKG.xinc
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| 338 | IFS=$'\x0A'
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| 339 | for line in `cat xincludes/$PKG.xinc` ; do
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| 340 | IFS=$saveIFS
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| 341 | # Remove the Xinclude entry if found.
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| 342 | sed -e "s,^[[:space:]]*$line,," -e '/./!d' -i $TARGET-index.xml.tmp
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| 343 | # Write the XInclude
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| 344 | echo -e "$line" >> $TARGET-index.xml.tmp
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| 345 | done
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| 346 | }
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