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#!/bin/sh
# rvs configureation script
# version 0.7.0
# Copyright (C) 2009 Luke Shumaker
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# Originally written by Luke Shumaker <lukeshu@sbcglobal.net>.
sourcedir=`dirname "$0"`
pre='./var.sed'
while [ $# -gt 0 ]; do case "$1" in
--*)
var0=`echo "$1" | sed -e 's/^--//' -e 's/=.*$//'`
match='false'
while read line; do
var1=`echo "$line" | cut -f 1 `
if [ "$var0" == "$var1" ]; then
match='true'
break;
fi
done < Variables
if [ "$match" == 'false' ]; then
echo "configure: option \`$1' not recognized"
exit 255;
else
val=`echo "$1" | sed -e "s/^--$var0=//"`
eval _$var0=$val
fi
:;;
*) echo "configure: option \`$1' not recognized"; exit 255;;
esac
shift
done
echo '#!/bin/sed -f' > "$pre"
while read line; do
var=`echo "$line" | cut -f 1 `
val=$(eval echo `echo "$line" | cut -f 2-`) # load from Variables file
val=$(eval echo '${'`echo _$var`-$val'}') # check for option overide
# evaluate the values, so that we may use env variables as values
# escape slashes, as they cause problems for sed
var=`echo "$var" | sed 's:/:\\\\/:g'`
val=`echo "$val" | sed 's:/:\\\\/:g'`
echo 's/$$'"${var}"'$\$/'"${val}"'/' >> "$pre"
#sed -i.bak 's/$$'"${var}"'$\$/'"${val}"'/' "$files"
unset var val
done < "$sourcedir/Variables"
chmod +x "$pre"
"$pre" < "$sourcedir/Makefile.orig" > Makefile
n0='# DO NOT edit this file, it has been generated by configure, and will be'
n1='# overwritten. Instead, edit the file `Makefile.orig'\'
sourcedir=`echo "$sourcedir" | sed 's:/:\\\\/:g'`
pre=`echo "$pre" | sed 's:/:\\\\/:g'`
sed -i \
-e "11 a$n0" \
-e "11 a$n1" \
-e "s/@@sourcedir@@/$sourcedir/" \
-e "s/@@pre@@/$pre/" \
Makefile
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