1 files changed, 69 insertions, 0 deletions
diff --git a/configure b/configure
new file mode 100755
index 0000000..5e99fa6
--- /dev/null
+++ b/configure
@@ -0,0 +1,69 @@
+#!/usr/bin/env bash
+name='configure' # Luke's configuration script
+#version='1.0'
+#  Copyright (C) 2009, 2016 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>.
+
+srcdir="$(dirname -- "$0")"
+outdir="."
+
+error() {
+	echo "$name: $1" >&2
+	exit 1
+}
+
+if [ "${srcdir:0:1}" = / ]; then
+	topsrcdir=$srcdir
+else
+	topsrcdir="&/$srcdir"
+fi
+topsrcdir="${topsrcdir%/.}"
+
+edit=(sed -E -e "s|^topsrcdir := .*|$topsrcdir|")
+setvar() {
+	edit+=(-e "s@^(\s*$1\s*:?=).*@\1 $2@")
+}
+
+vars=($(<"$srcdir/config.mk.in" sed -n 's/^\([ 	a-z_-]*\)=.*/\1/p'))
+
+printf -v lopt '%s:,' "${vars[@]}"
+lopt+='enable-autodeps,disable-autodeps'
+
+sopt=''
+
+args=$(getopt -n "$name" -o "${sopt}" -l "${lopt}" -- "$@") || exit $?
+eval set -- "$args"
+while [ $# -gt 0 ]; do
+	case "$1" in
+		--) break;;
+		--enable-autodeps) setvar AUTODEPS t;;
+		--disable-autodeps) setvar AUTODEPS '';;
+		--*) setvar "${1#--}" "$2" shift;;
+		*) error "unrecognized option \`$1'";
+	esac
+	shift
+done
+
+"${edit[@]}" < "$srcdir/config.mk.in" > "$outdir/config.mk"
+
+Makefiles=($(find "$srcdir/" -name 'Makefile') "$srcdir"/modules/module.mk "$srcdir"/modules/*/Makefile.inc.mk)
+for src in "${Makefiles[@]}"; do
+	out="$outdir/${src#$srcdir/}"
+	mkdir -p -- $(dirname -- "$out")
+	if ! test "$src" -ef "$out"; then
+		cp -fT -- "$src" "$out"
+	fi
+done