--- generic_stage_target.py.orig	2012-03-18 17:49:24.000000000 +0900
+++ generic_stage_target.py	2012-03-18 17:56:50.000000000 +0900
@@ -638,8 +638,12 @@
 					self.settings["source_path"]+"\nto "+\
 					self.settings["chroot_path"]+\
 						" (This may take some time) ...\n"
-				unpack_cmd="tar xjpf "+self.settings["source_path"]+" -C "+\
-					self.settings["chroot_path"]
+				if os.uname()[0] == "FreeBSD":
+					unpack_cmd="LANG=en_US.UTF-8 tar xjpf "+self.settings["source_path"]+" -C "+\
+						self.settings["chroot_path"]
+				else:
+					unpack_cmd="tar xjpf "+self.settings["source_path"]+" -C "+\
+						self.settings["chroot_path"]
 				error_msg="Tarball extraction of "+\
 					self.settings["source_path"]+" to "+\
 					self.settings["chroot_path"]+" failed."
@@ -649,8 +653,12 @@
 				self.settings["source_path"]+"\nto "+\
 				self.settings["chroot_path"]+\
 				" (This may take some time) ...\n"
-			unpack_cmd="tar xjpf "+self.settings["source_path"]+" -C "+\
-				self.settings["chroot_path"]
+			if os.uname()[0] == "FreeBSD":
+				unpack_cmd="tar xjpf "+self.settings["source_path"]+" -C "+\
+					self.settings["chroot_path"]
+			else:
+				unpack_cmd="tar xjpf "+self.settings["source_path"]+" -C "+\
+					self.settings["chroot_path"]
 			error_msg="Tarball extraction of "+self.settings["source_path"]+\
 				" to "+self.settings["chroot_path"]+" failed."