--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/configure	Sun Feb 19 18:57:59 2012 -0500
@@ -0,0 +1,135 @@
+#!/bin/sh
+# configure - configure swallowtail
+# usage: see configure --help
+# note: this is not an autoconf-generated script
+
+help() {
+	cat <<EOF
+Usage: $0 [args]
+where args can be:
+	--help			Print usage
+	--destdir=DIR		Set install chroot [none]
+	--prefix=DIR		Set install prefix [/usr/local]
+	--python=FILE		Set path to Python interpreter [probed]
+	--sh=FILE		Set path to Bourne shell [/bin/sh]
+EOF
+}
+
+usage() {
+	echo "Usage: $0 [args}" 1>&2
+	echo "Try --help" 1>&2
+}
+
+############################################################
+# args
+
+DESTDIR=
+PREFIX=/usr/local
+PYTHON=probed
+SH=/bin/sh
+
+for ARG in "$@"; do
+	case "$ARG" in
+		--help) help; exit;;
+		--destdir=*) DESTDIR=`echo "$ARG" | sed 's/^[^=]*=//'`;;
+		--prefix=*) PREFIX=`echo "$ARG" | sed 's/^[^=]*=//'`;;
+		--python=*) PYTHON=`echo "$ARG" | sed 's/^[^=]*=//'`;;
+		--sh=*) SHELL=`echo "$ARG" | sed 's/^[^=]*=//'`;;
+		*) usage; exit 1;;
+	esac
+done
+
+############################################################
+# check for python
+
+echo -n 'Checking for python... '
+
+nopython() {
+	echo "failed"
+	echo "$0: $1" 1>&2
+	echo "$0: Install python or use --python=PATH option" 1>&2
+	exit 1
+}
+
+testpython() {
+	if [ ! -x "$1" ]; then
+		return 1
+	fi
+	VER=$("$1" -V 2>&1)
+	case "$VER" in
+		"Python "*.*.*) return 0;;
+		"Python "*.*) return 0;;
+		*) ;;
+	esac
+	return 1
+}
+
+FOUND=0
+case "$PYTHON" in
+	probed)
+		for D in \
+		    /usr/local/bin \
+		    /usr/pkg/bin \
+		    /usr/contrib/bin \
+		    /usr/bin \
+		    /opt/bin \
+		; do
+			for PY in \
+				python \
+				python2.7 python27 \
+				python2.6 python26 \
+				python2.5 python25 \
+				python2.4 python24 \
+			; do
+				if testpython $D/$PY; then
+					PYTHON="$D/$PY"
+					FOUND=1
+					break
+				fi
+			done
+			if [ $FOUND = 1 ]; then
+				break
+			fi
+		done
+		if [ $FOUND = 0 ]; then
+			nopython "Cannot find python"
+		fi
+	;;
+	/*)
+		if testpython "$PYTHON"; then
+			:
+		else
+			nopython "$PYTHON does not appear to be python"
+		fi
+	;;
+	*)
+		nopython "$PYTHON is not an absolute path"
+	;;
+esac
+echo "$PYTHON"
+
+############################################################
+# Generate config.*
+
+echo 'Generating config.sed'
+
+cat > config.sed.new <<EOF
+s,@@PYTHON@@,$PYTHON,
+s,@@SH@@,$SH,
+EOF
+
+mv -f config.sed.new config.sed
+
+echo 'Generating config.mk'
+
+cat > config.mk.new <<EOF
+DESTDIR=$DESTDIR
+PREFIX=$PREFIX
+EOF
+
+mv -f config.mk.new config.mk
+
+############################################################
+# done
+
+exit 0