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#!/usr/bin/env bash
name='configure' # Luke's configureation script
#version='1.0'
# Copyright (C) 2009 Luke Shumaker
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2 of the
# License, or (at your option) any later version.
#
# 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.
#
# You should have received a copy of the GNU General Public License
# along with this program; see the file COPYING.
# If not, see <http://www.gnu.org/licenses>.
_prefix='/usr/local'
_exec_prefix='$(prefix)'
_bindir='$(exec_prefix)/bin'
_sbindir='$(exec_prefix)/sbin'
_libexecdir='$(exec_prefix)/libexec'
_srcdir=$(readlink -f `dirname "$0"`)
vars='prefix exec_prefix bindir sbindir libexecdir srcdir'
if [ -f "$_srcdir/config" ]; then . "$_srcdir/config"; fi
error() {
echo "$name: $1" >> /dev/stderr
exit 1
}
args=`getopt -n "$name" -o "${sopt}" -l "${lopt}${vars}" -- "$@"`
if [ $? == 0 ]; then
set -- $args
while [ $# -gt 0 ]; do case "$1" in
--) break;;
--*)
var0="${1/--/}"
match='false'
for var1 in $vars; do
if [ "$var0" == "$var1" ]; then
match='true'
break;
fi
done
if [ "$match" == 'true' ]; then
val="$2"
eval _$var0=$val
else
error "option \`$1' not recognized";
fi
:;;
*) error "option \`$1' not recognized";;
esac
shift
done
else
error 'unable to parse command line arguments'
fi
echo '#!/bin/sed -f' > var.sed
for var in $vars; do
var1="_$var"
val=${!var1}
# GNU bash optimized version
var=${var//':'/'\:'}
val=${val//':'/'\:'}
# POSIX version
#var=`echo "$var" | sed 's@:@\\:@g'`
#val=`echo "$val" | sed 's@:@\\:@g'`
echo "s:@$var@:$val:g" >> var.sed
done
Makefiles="`find "${_srcdir}/" -type f -name Makefile.in`"
Makefiles="$Makefiles `find "${_srcdir}/" -type f -name *.mk.in`"
for orig in $Makefiles; do
new=${orig/%.in/}
new=${new/#$_srcdir\//}
mkdir -p `dirname "$new"`
sed -f var.sed "${orig}" | sed \
-e '19 a# DO NOT edit this file, it has been generated by configure, and will' \
-e "19 a# be overwritten. Instead, edit the file \``basename ${orig}`'" \
-e "19 a
" > "${new}"
done
rm var.sed
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