genex: added install/uninstall targets and wrapper generator

genex/mkgenex-wrapper

@@ -0,0 +1,49 @@
+#!/bin/sh -e
+#
+# mkgenex-wrapper - Generate wrapper script for genex
+#
+# Copyright 2012 by Werner Almesberger
+#
+# 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.
+#
+
+
+MODE=555
+DIR=
+
+usage()
+{
+	echo "usage: $0 [-m mode] [-p directory] wrapper-path" 1>&2
+	exit 1
+}
+
+
+while [ "$1" ]; do
+	case "$1" in
+	-m)	shift
+		MODE=$1;;
+	-p)	shift
+		DIR=$1;;
+	-*)	usage;;
+	*)	break;;
+	esac
+	shift
+done
+
+: ${DIR:=`dirname $1`}
+
+[ -d "$DIR" ] && [ "$1" ] && [ -z "$2" ] || usage
+
+trap "rm -f _wrapper" 0
+
+cat <<EOF >_wrapper
+#!/bin/sh
+PATH=\$PATH:$DIR
+exec genex-bin "\$@"
+EOF
+chmod $MODE _wrapper
+
+mv _wrapper "$1"