333 lines
8.5 KiB
Bash
Executable file
333 lines
8.5 KiB
Bash
Executable file
#!/bin/sh
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version="
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jhalfs 0.1
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Written by Jeremy Huntwork.
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This program is published under the \
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Gnu General Public License, Version 2."
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usage="\
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Usage: $0 [OPTION]
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Options:
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-h, --help print this help, then exit
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-V, --version print version number, then exit
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-L, --LFS-version=VER use VER version of the LFS book
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-d --directory=DIR use DIR directory for building LFS; all files
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jhalfs produces will be in the directory
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DIR/jhalfs
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-D, --download-client=CLIENT use CLIENT as the program for retrieving
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packages
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"
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help="\
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Try '$0 --help' for more information."
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exit_missing_arg="\
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echo \"Option '\$1' requires an argument\" >&2
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echo \"\$help\" >&2
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exit 1"
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no_dl_client="\
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echo \"Could not find a way to download the LFS sources.\" >&2
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echo \"Attempting to continue.\" >&2"
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while test $# -gt 0 ; do
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case $1 in
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--version | -V )
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echo "$version"
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exit 0
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;;
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--help | -h )
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echo "$usage"
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exit 0
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;;
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--LFS-version | -L )
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test $# = 1 && eval "$exit_missing_arg"
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shift
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case $1 in
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dev* | SVN | trunk )
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LFSVRS=development
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;;
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* )
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echo "$1 is an unsupported version at this time."
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exit 1
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;;
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esac
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shift
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;;
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--directory | -d )
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test $# = 1 && eval "$exit_missing_arg"
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shift
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BUILDDIR=$1
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shift
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;;
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--download-client | -D )
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test $# = 1 && eval "$exit_missing_arg"
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shift
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DL=$1
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shift
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;;
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* )
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echo "$usage"
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exit 1
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;;
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esac
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done
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# Test to make sure we're running the build as root
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if [ "$UID" != "0" ] ; then
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echo "You must be logged in as root to successfully build LFS."
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exit 1
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fi
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# Find the download client to use, if not already specified.
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if [ -z $DL ] ; then
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if [ `type -p wget` ] ; then
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DL=wget
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elif [ `type -p curl` ] ; then
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DL=curl
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else
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eval "$no_dl_client"
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fi
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fi
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SVN="svn://svn.linuxfromscratch.org"
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HTTP=http://ftp.lfs-matrix.net/pub/lfs/lfs-packages/conglomeration
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if [ -z $BUILDDIR ] ; then BUILDDIR=/mnt/lfs ; fi
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JHALFSDIR=$BUILDDIR/jhalfs
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LOG=build.log
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MKFILE=$JHALFSDIR/Makefile
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get_book() {
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# Check for Subversion instead of just letting the script hit 'svn' and fail.
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test `type -p svn` || eval "echo \"This feature requires Subversion.\"
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exit 1"
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cd $JHALFSDIR
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# Test to make sure the LFS version is set
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if [ -z $LFSVRS ] ; then LFSVRS=development ; fi
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echo -n "Downloading the LFS Book, version $LFSVRS... "
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# Grab the LFS book fresh if it's missing, otherwise, update it from the
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# repo. If we've already extracted the commands, move on to getting the
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# sources.
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if [ -d lfs-$LFSVRS ] ; then
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cd lfs-$LFSVRS
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if svn up | grep -q At && test -d $JHALFSDIR/commands && \
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test -f $JHALFSDIR/packages && test -f $JHALFSDIR/patches ; then
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echo -ne "done\n"
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get_sources
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else
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echo -ne "done\n"
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extract_commands
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fi
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else
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if [ $LFSVRS = development ] ; then
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svn co $SVN/LFS/trunk/BOOK lfs-$LFSVRS >>$JHALFSDIR/$LOG 2>&1
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else
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svn co $SVN/LFS/branches/$LFSVRS/BOOK lfs-$LFSVRS >>$JHALFSDIR/$LOG 2>&1
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fi
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echo -ne "done\n"
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extract_commands
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fi
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}
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extract_commands() {
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# Check for libxslt instead of just letting the script hit 'xsltproc' and fail.
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test `type -p xsltproc` || eval "echo \"This feature requires libxslt.\"
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exit 1"
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cd $JHALFSDIR
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# Start clean
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if [ -d commands ] ; then rm -rf commands ; fi && mkdir commands
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echo -n "Extracting commands... "
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# Use Maneul's stylesheet to dump the commands in text form from the LFS book.
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xsltproc -v --nonet --xinclude -o ./commands/ \
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lfs-$LFSVRS/stylesheets/dump-commands.xsl lfs-$LFSVRS/index.xml \
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>>$JHALFSDIR/$LOG 2>&1
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# Move the text files out from the chapter directories, and dump them
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# all into the 'commands' directory.
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cd commands
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find ./* -xtype f -exec mv '{}' . \;
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find ./* -maxdepth 0 -xtype d -exec rm -rf '{}' \;
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# Remove all the blank lines from the commands
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for i in $JHALFSDIR/commands/* ; do
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sed -i '/^$/d' $i
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done
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# Grab the patches and package names.
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cd $JHALFSDIR
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for i in patches packages ; do rm -f $i ; done
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grep "\-version" lfs-$LFSVRS/general.ent | sed -e 's@<!ENTITY @@' -e 's@">@"@' \
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-e '/generic/d' >> packages
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grep "ENTITY" lfs-$LFSVRS/patches.ent | sed -e 's/.* "//' -e 's/">//' >> patches
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# Done. Moving on...
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echo -ne "done\n"
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get_sources
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}
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download() {
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cd $BUILDDIR/sources
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# Hackish fix for the bash-doc package that doesn't conform
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# to norms in the URL scheme.
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DIR=`echo $1 | sed 's@-doc@@'`
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# Find the md5 sum for this package.
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if [ $2 != MD5SUMS ] ; then MD5=`grep " $2" MD5SUMS` ; fi
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if [ ! -f $2 ] ; then
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case $DL in
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wget )
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wget $HTTP/$DIR/$2
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;;
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curl )
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`curl -# $HTTP/$DIR/$2 -o $2`
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;;
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* )
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echo "$DL not supported at this time."
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;;
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esac
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elif ! echo "$MD5" | md5sum -c - >/dev/null 2>/dev/null ; then
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case $DL in
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wget )
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wget -c $HTTP/$DIR/$2
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;;
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curl )
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`curl -# -C - $HTTP/$DIR/$2 -o $2`
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;;
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* )
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echo "$DL not supported at this time."
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;;
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esac
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fi
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if [ $2 != MD5SUMS ] && ! echo "$MD5" | md5sum -c - ; then
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exit 1
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fi
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}
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get_sources() {
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# This variable is necessary to make sure the `cat $JHALFSDIR/packages`
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# separates each iteration by lines. It is necessary to have the second
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# ' on the next line.
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IFS='
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'
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if [ ! -d $BUILDDIR/sources ] ; then mkdir $BUILDDIR/sources ; fi
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cd $BUILDDIR/sources
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if [ -f MD5SUMS ] ; then rm MD5SUMS ; fi
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download "" MD5SUMS
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# Iterate through each package and grab it, along with any patches it needs.
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for i in `cat $JHALFSDIR/packages` ; do
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PKG=`echo $i | sed 's/-version.*//'`
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# Someone used some silly entities right next to the valid package entities.
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if [ "$PKG" = "expect-lib" -o "$PKG" = "linux-dl" ] ; then continue ; fi
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VRS=`echo $i | sed -e 's/.* //' -e 's/"//g'`
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if [ "$PKG" = "tcl" ] ; then
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FILE="$PKG$VRS-src.tar.bz2"
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else
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FILE="$PKG-$VRS.tar.bz2"
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fi
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download $PKG $FILE
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for patch in `grep "$PKG-&$PKG" $JHALFSDIR/patches` ; do
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PATCH=`echo $patch | sed 's@&'$PKG'-version;@'$VRS'@'`
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download $PKG $PATCH
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done
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done
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}
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build_Makefile() {
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echo -n "Creating Makefile... "
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cd $JHALFSDIR/commands
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# Start with a clean Makefile.tmp file
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>$MKFILE.tmp
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for i in * ; do
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# First append each name of the command files to a list (this will become the names
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# of the targets in the Makefile
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list="$list $i"
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# Grab the name of the target (minus the -pass1 or -pass2 in the case of gcc
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# and binutils in chapter 5)
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name=`echo $i | sed -e 's@[0-9]\{3\}-@@' -e 's@-pass[0-9]\{1\}@@'`
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# Drop in the name of the target on a new line.
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echo -e "\n$i:" >> $MKFILE.tmp
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# Find the version of the command files, if it corresponds with the building of
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# a specific package
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vrs=`grep "^$name-version" $JHALFSDIR/packages | sed -e 's/.* //' -e 's/"//g'`
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# If $vrs isn't empty, we've got a package...
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if [ "$vrs" != "" ] ; then
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if [ "$name" = "tcl" ] ; then
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FILE="$name$vrs-src.tar.bz2"
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else
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FILE="$name-$vrs.tar.bz2"
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fi
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# Insert instructions for unpacking the package and changing directories
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echo -e "\t\$(call unpack,$FILE)" >> $MKFILE.tmp
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echo -e "\tROOT=\`head -n1 /tmp/unpacked | sed 's@/.*@@'\` && \\" >> $MKFILE.tmp
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echo -e "\tcd \$(SRC)/\$\$ROOT && \\" >> $MKFILE.tmp
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fi
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# Drop in the actual commands that were parsed from the book
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# These seds add an extra $ to each variable so make doesn't break,
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# add tabs to the beginning of each line, and add ' && \' to the end
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# of each line except for those that end in '\'.
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cat $i | sed -e 's:\$:&&:g' -e 's:^:\t:' -e 's:[^\\]$:& \&\& \\:' >> $MKFILE.tmp
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# This sed removes the ' && \' from the last command of each target
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sed -i '$s: \&\& \\::' $MKFILE.tmp
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# Include a touch of the target name so make can check if it's already been made.
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echo -e "\ttouch \$@" >> $MKFILE.tmp
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done
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# These seds turn the variables '$$LFS' into '$(LFS)' so make will understand,
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# and remove the ' && \'s from the end of each line of a cat command.
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sed -i -e 's|\$\$LFS|\$(LFS)|' -e '/^\tcat/,/^\tEOF/s/ \&\& \\//' $MKFILE.tmp
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# Stick a variable and some defines at the top of the real makefile
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echo "export SRC := /sources" > $MKFILE
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echo "export LFS := $BUILDDIR" >> $MKFILE
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echo "define unpack" >> $MKFILE
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echo -e "\t@cd \$(SRC) ; tar -xvf \$(1) > /tmp/unpacked" >> $MKFILE
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echo -e "endef\n" >> $MKFILE
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# Drop in the list as the main target 'all:' with each sub-target as a dependency.
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echo "all: $list" >> $MKFILE
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# Bring over the items from the Makefile.tmp
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cat $MKFILE.tmp >> $MKFILE
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rm $MKFILE.tmp
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echo -ne "done\n"
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}
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if [ ! -d $JHALFSDIR ] ; then
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mkdir -p $JHALFSDIR
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fi
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>$JHALFSDIR/$LOG
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cp $0 $JHALFSDIR/
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get_book
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build_Makefile
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