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#!/bin/bash
#---------------------------------------------------------------
# Module : multiarch-utils
# File : mkmultiarch
# Version : $Id: mkmultiarch 156134 2005-08-07 14:29:26Z gbeauchesne $
# Author : Gwenole Beauchesne
# Created On : Wed Jan 12 10:54:10 CET 2005
#---------------------------------------------------------------
usage="Usage: $0 <binaries|includes> <file1> [<file2> ...]"
mplat=`multiarch-platform`
type=$1
case $type in
binaries|includes) shift;;
*) echo $usage; exit 1;;
esac
function error() {
echo ${1+"$@"} > /dev/stderr
exit 1
}
# read link on one level only
function read_link_1() {
perl -e 'print readlink(shift)' $1
}
function dispatch_binaries() {
local file=$1
local bindir=`dirname $file`
local archbindir=$bindir/$mplat
[[ -d $archbindir ]] || mkdir -p $archbindir
if [[ -L $file ]]; then
link=`read_link_1 $file`
case $link in
/*)
mv $file $archbindir/
;;
../*)
ln -s ../$link $archbindir/${file##*/}
rm -f $file
;;
esac
elif [[ -f $file ]]; then
mv $file $archbindir/
else
error "Unsupported file type for $file"
fi
ln -s /usr/bin/multiarch-dispatch $file
}
function dispatch_includes() {
local file=$1
local incdir=`dirname $file`
# handle circular inclusions
local tag=$incdir/.multiarch-processing.${file##*/}
[[ -f "$tag" ]] && return
touch $tag
# sanity checks, extract path parts
echo $file | grep -q '/include/' || error "Unsupported includedir $incdir"
local prefix=`echo $incdir | sed -n '/\(.*\/include\)\/.*/s//\1/p'`
[[ -z "$prefix" ]] && prefix="$incdir"
local suffix=`echo $incdir | sed -n '/.*\/include\/\(.*\)/s//\1/p'`
[[ -n "$suffix" ]] && suffix="$suffix/"
# dispatch nested includes expected in local directory
sed -n '/^#[ \t]*include[ \t]*"\([^"][^"]*\)".*/s//\1/p' $file | \
while read localfile; do
[[ -f "$incdir/$localfile" ]] && dispatch_includes $incdir/$localfile
done
# dispatch selected include file, provided it's not already dispatched
grep -q _MULTIARCH_HEADER $file || {
local archincdir=$prefix/$mplat/$suffix
[[ -d $archincdir ]] || mkdir -p $archincdir
mv $file $archincdir/
cat > $file << EOF
#define _MULTIARCH_HEADER $suffix${file##*/}
#include <multiarch-dispatch.h>
EOF
}
# done with this file
rm -f $tag
}
while [[ $# -gt 0 ]]; do
file=$1
shift 1
[[ -f $file ]] || error "$file does not exist!"
dispatch_$type $file
done
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