diff --git a/meta/classes/tar_archive.bbclass b/meta/classes/tar_archive.bbclass
new file mode 100644
index 0000000..2651cbc
--- /dev/null
+++ b/meta/classes/tar_archive.bbclass
@@ -0,0 +1,216 @@
+# This file is used for packaging source codes tree to tar and \
+# source rpm package.
+
+# Some patches are not in WORKDIR but in its sub-directory.
+# Rpmbuild uses workdir as source directoty.
+# Copy pathes in sub-directory to workdir. these patches could exist \
+# in gentoo, debian and fedora
+python move_patches_toworkdir(){	
+	import os
+
+	patches = d.getVar('PLIST', True)
+	workdir = d.getVar('WORKDIR',True)
+	s = d.getVar('S',True)
+	
+	# The source tree of gcc is different from others, it is \
+	# in work-shard, not in work. so this needs a special treatment.
+	if 'work-shared' in s:
+		for patch in patches:
+			os.system('cp ' + os.path.dirname(s) + '/' + patch + ' ' + workdir)
+		return
+	platforms = ['debian','gentoo','fedora']
+	os.chdir(workdir)
+	for patch in patches:
+		if patch  not in os.listdir('.'):
+			for platform in platforms:
+				if os.path.exists(platform):
+					for root, dirs, files in os.walk(platform):
+						for file in files:
+							os.system('cp ' + root + '/' + file + ' ' + workdir)
+			return
+}
+
+# Spec file needs patches' name to build source packages  
+# Get patches' name and set them to 'd'
+python get_patches () {
+	import os
+	import re
+    
+	plist=[]
+	pat = re.compile('NOTE(.+)\'(.+)\'(.+)$')
+	workdir = d.getVar('WORKDIR',True)
+	s = d.getVar('S',True)
+	file_log = workdir + "/temp/log.do_patch"
+	if 'work-shared' in s:
+		file_log = os.path.dirname(s) + "/temp/log.do_patch"
+      	
+	if os.path.exists(file_log):
+		f = open(file_log,'r')
+		for line in f.readlines():
+			m = pat.match(line)
+			if m:
+				plist.append(m.group(2))
+		f.close()
+        
+	d.setVar('PLIST',plist)
+	bb.build.exec_func('move_patches_toworkdir', d)
+}
+
+ 
+# The following pkgs don't have source rpm and tar packages
+# 1 The pkg do nothing when unpack
+# 2 The pkg includes 'task-' or 'native' in the workdir 
+# 3 The ${S} is empty 
+python not_srpm() {
+	import os
+
+	workdir = d.getVar('WORKDIR',True)
+	s = d.getVar('S',True)
+	# The source tree of gcc is different from others, it is \
+	#in work-shard, not in work. So it needs a special treatment.
+	if 'work-shared' in s:
+		return
+	# Identify an empty directory, if having file after \
+	#the stage of do_unpack, this will look as invalid source codes directoty.
+	if len(os.listdir(s)) == 0:
+		open("emptyflag", 'w')
+	try:
+		if not os.path.exists(workdir + '/temp/' + 'log.do_unpack') or 'task-' in workdir or 'native' in workdir or os.path.exists(s + '/' + 'emptyflag'):
+			raise IOError
+	except IOError:
+		d.setVar('NOTSRPM', '1')
+}
+
+# Spec file needs source package's name to build a source package
+# Package source code patched to ${PF}.tar.gz
+do_tararchive[dirs] = "${WORKDIR}"
+fakeroot python do_tararchive() {
+	import tarfile
+	import os
+	if not d.getVar('ARCHIVE_TYPE', True):
+		return
+	
+	s = d.getVar('S',True)
+	workdir=d.getVar('WORKDIR', True)
+	PF = d.getVar('PF',True)
+	bb.build.exec_func('not_srpm', d)	
+	if d.getVar('NOTSRPM', True):
+		return
+	if os.path.exists(s) and s is not workdir:
+		sourcedir = os.path.basename(s)
+		tarbase = os.path.dirname(s)
+		if not sourcedir or os.path.dirname(tarbase) == workdir:
+			sourcedir = os.path.basename(os.path.dirname(s))
+			tarbase = os.path.dirname(os.path.dirname(s))
+		os.chdir(tarbase)
+	else:
+		sourcedir = os.path.basename(s)
+		if not os.path.exists(sourcedir):
+			os.mkdir(sourcedir)
+		for file in os.listdir(s):
+			if file is not 'temp' and file is not sourcedir:
+				os.system('cp ' + file + ' ' + sourcedir)
+
+	if (len(os.listdir(sourcedir))) != 0:
+		tar = tarfile.open( PF + ".tar.gz", "w:gz")
+		tar.add(sourcedir)
+		tar.close()
+		if os.path.dirname(s) is not workdir:
+			os.system('mv ' + os.path.dirname(s) + '/' + PF + '.tar.gz ' + workdir)
+}
+
+addtask do_tararchive after do_patch before do_configure
+
+# "log.tar.gz" which inculdes do_unpack and do_configure is \
+# a part of source package
+# Package log files to "log.tar.gz"
+do_logarchive[dirs] = "${WORKDIR}"
+fakeroot python do_logarchive(){
+	import tarfile
+	import os
+	
+	if not d.getVar('ARCHIVE_TYPE', True):
+		return
+	
+	bb.build.exec_func('not_srpm', d)	
+	if d.getVar('NOTSRPM', True):
+		return 
+	
+	log_list = ['log.do_patch','log.do_configure']
+	workdir=d.getVar('WORKDIR', True)
+	temp = workdir + "/" + "temp"
+	os.chdir(temp)
+	logtar = tarfile.open("log.tar.gz", "w:gz")
+	if os.path.exists(temp):
+		for link_log in log_list:
+			if os.path.islink(link_log):
+				real_log = os.path.basename(os.readlink(link_log))
+				logtar.add(real_log)
+	logtar.close()
+	os.system('mv log.tar.gz ../')
+}
+addtask do_logarchive after do_install before do_package
+
+# This is used for fixing the "Bad owner/group: ..." 
+# Set owner and group for patches, log.tar.gz and ${PF}.tar.gz to "root"
+do_setowngroup[dirs] = "${WORKDIR}"
+fakeroot python do_setowngroup(){
+	import os
+	
+	if not d.getVar('ARCHIVE_TYPE', True):
+		return
+	bb.build.exec_func('not_srpm', d)	
+	if d.getVar('NOTSRPM', True):
+		return
+	bb.build.exec_func('get_patches', d)
+        srcpatches = d.getVar('PLIST',True)
+	for patch in srcpatches:
+		os.system('chown root.root' + ' ' + patch)
+	os.system('chown root.root' + ' ' + "log.tar.gz")
+	os.system('chown root.root' + ' ' + d.getVar('PF', True) + ".tar.gz")
+}
+addtask do_setowngroup after do_logarchive before do_package
+
+# Copy source package to build/tmp/deploy/sources
+do_copysources[dirs] = "${PWD}/tmp/work"
+python do_copysources (){
+	import os
+	
+	archive_type = d.getVar('ARCHIVE_TYPE', True)
+	pwd = d.getVar('PWD', True)
+	machine = d.getVar('MACHINE', True)
+	target_sys = d.getVar('TARGET_SYS', True)
+	target_os = d.getVar('TARGET_OS', True)
+	target_vendor = d.getVar('TARGET_VENDOR', True)
+	tune_pkgarch = d.getVar('TUNE_PKGARCH', True)
+	multimach_host_sys = d.getVar('MULTIMACH_HOST_SYS', True)
+	all = 'all' + target_vendor + '-' + 'linux'
+	target = tune_pkgarch + target_vendor + '-' + target_os
+	srpmdir=pwd + '/tmp/deploy/' + 'sources' + '/' + machine
+	
+	if not os.path.exists(srpmdir):
+		os.makedirs(srpmdir)
+	global_work = pwd + '/tmp' + '/work'
+	os.chdir(global_work)
+	for dirs in multimach_host_sys, all, target:
+		localdir = srpmdir + '/' + dirs
+		if not os.path.exists(localdir):
+			os.mkdir(localdir)
+		os.chdir(dirs)
+		if archive_type == 'SRPM': 
+			os.system('cp */deploy-srpm/*/*.src.rpm ' + localdir)
+		elif archive_type == 'TARGZ':
+			for dir in os.listdir('.'):
+				if os.path.isdir(dir):
+					os.chdir(dir)
+					if not os.path.exists(dir):
+						os.mkdir(localdir + '/' + dir)
+					os.system('cp *.gz ' + localdir + '/' + dir)
+					os.chdir('../')
+		else:
+			return
+		os.chdir(global_work)
+}
+addtask do_copysources  after do_rootfs
+
+EXPORT_FUNCTIONS do_archive do_logarchive do_setowngroup do_copysources