Use cp_dir to copy directories

lang/cem/libcc.ansi/proto.make

@@ -7,8 +7,9 @@ SRC_DIR = $(SRC_HOME)/lang/cem/libcc.ansi
 all:
 
 install:
-	-mkdir $(TARGET_HOME)/include/tail_ac
-	( cd $(SRC_DIR)/headers; tar cf - `cat LIST` ) | ( cd $(TARGET_HOME)/include/tail_ac ; tar xf - )
+	if [ $(DO_MACHINE_INDEP) = y ] ; \
+	then cp_dir $(SRC_DIR)/headers $(TARGET_HOME)/include/tail_ac ; \
+	fi
 
 clean:
 

mach/proto/libg/proto.libcc.ansi

@@ -21,8 +21,7 @@ head:
 		$(MACH) $(MACHFL) -c -I$(TARGET_HOME)/h head_ac.e
 
 copy:
-		( cd $(SRC_DIR) ; tar cf - LIST `cat LIST` head_ac.e ) | \
-			tar xf -
+		cp_dir $(SRC_DIR) .
 		for i in `cat LIST` ; \
 		do cd $$i ; \
 		   make `cat LIST` ; \