Index: tools/autotool.py
===================================================================
--- tools/autotool.py	(revision 774aa33295605fdbbdcdc06516322c0665399f63)
+++ tools/autotool.py	(revision 931afbc21fb7256372512b67f529ef39acfc8ac8)
@@ -579,4 +579,5 @@
 		check_app(["make", "--version"], "Make utility", "preferably GNU Make")
 		check_app(["unzip"], "unzip utility", "usually part of zip/unzip utilities")
+		check_app(["tar", "--version"], "tar utility", "usually part of tar")
 
 		platform, cc_args, target = get_target(config)
Index: tools/mktmpfs.py
===================================================================
--- tools/mktmpfs.py	(revision 774aa33295605fdbbdcdc06516322c0665399f63)
+++ 	(revision )
@@ -1,129 +1,0 @@
-#!/usr/bin/env python
-#
-# Copyright (c) 2008 Martin Decky
-# All rights reserved.
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions
-# are met:
-#
-# - Redistributions of source code must retain the above copyright
-#   notice, this list of conditions and the following disclaimer.
-# - Redistributions in binary form must reproduce the above copyright
-#   notice, this list of conditions and the following disclaimer in the
-#   documentation and/or other materials provided with the distribution.
-# - The name of the author may not be used to endorse or promote products
-#   derived from this software without specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
-# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
-# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
-# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
-# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
-# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
-# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-#
-
-"""
-TMPFS creator
-"""
-
-import sys
-import os
-import xstruct
-from imgutil import listdir_items, chunks
-
-HEADER = """little:
-	char tag[5]  /* 'TMPFS' */
-"""
-
-DENTRY_NONE = """little:
-	uint8_t kind        /* NONE */
-	uint32_t fname_len  /* 0 */
-"""
-
-DENTRY_FILE = """little:
-	uint8_t kind        /* FILE */
-	uint32_t fname_len  /* filename length */
-	char fname[%d]      /* filename */
-	uint32_t flen       /* file length */
-"""
-
-DENTRY_DIRECTORY = """little:
-	uint8_t kind        /* DIRECTORY */
-	uint32_t fname_len  /* filename length */
-	char fname[%d]      /* filename */
-"""
-
-TMPFS_NONE = 0
-TMPFS_FILE = 1
-TMPFS_DIRECTORY = 2
-
-def usage(prname):
-	"Print usage syntax"
-	print(prname + " <PATH> <IMAGE>")
-
-def recursion(root, outf):
-	"Recursive directory walk"
-
-	for item in listdir_items(root):
-		if item.is_file:
-			dentry = xstruct.create(DENTRY_FILE % len(item.name))
-			dentry.kind = TMPFS_FILE
-			dentry.fname_len = len(item.name)
-			dentry.fname = item.name.encode('ascii')
-			dentry.flen = item.size
-
-			outf.write(dentry.pack())
-
-			for data in chunks(item, 4096):
-				outf.write(data)
-
-		elif item.is_dir:
-			dentry = xstruct.create(DENTRY_DIRECTORY % len(item.name))
-			dentry.kind = TMPFS_DIRECTORY
-			dentry.fname_len = len(item.name)
-			dentry.fname = item.name.encode('ascii')
-
-			outf.write(dentry.pack())
-
-			recursion(item.path, outf)
-
-			dentry = xstruct.create(DENTRY_NONE)
-			dentry.kind = TMPFS_NONE
-			dentry.fname_len = 0
-
-			outf.write(dentry.pack())
-
-def main():
-	if (len(sys.argv) < 3):
-		usage(sys.argv[0])
-		return
-
-	path = os.path.abspath(sys.argv[1])
-	if (not os.path.isdir(path)):
-		print("<PATH> must be a directory")
-		return
-
-	outf = open(sys.argv[2], "wb")
-
-	header = xstruct.create(HEADER)
-	header.tag = b"TMPFS"
-
-	outf.write(header.pack())
-
-	recursion(path, outf)
-
-	dentry = xstruct.create(DENTRY_NONE)
-	dentry.kind = TMPFS_NONE
-	dentry.fname_len = 0
-
-	outf.write(dentry.pack())
-
-	outf.close()
-
-if __name__ == '__main__':
-	main()