Rework makefiles. Add proper dependency checking.

unix-cpy/Makefile

@@ -1,16 +1,12 @@
+include ../py/mkenv.mk
+
 # define main target
 PROG = cpy
-all: $(PROG)
 
 # include py core make definitions
 include ../py/py.mk
 
-# program for deletion
-RM = /bin/rm
-ECHO = @echo
-
 # compiler settings
-CC = gcc
 CFLAGS = -I. -I$(PY_SRC) -Wall -Werror -ansi -std=gnu99 -DUNIX
 LDFLAGS = -lm
 
@@ -28,20 +24,5 @@ SRC_C = \
 OBJ = $(PY_O) $(addprefix $(BUILD)/, $(SRC_C:.c=.o))
 LIB =
 
-$(PROG): $(BUILD) $(OBJ)
-	$(ECHO) "LINK $<"
-	$(Q)$(CC) -o $@ $(OBJ) $(LIB) $(LDFLAGS)
-	$(Q)strip $(PROG)
-	$(Q)size $(PROG)
+include ../py/mkrules.mk
 
-$(BUILD)/%.o: %.c
-	$(ECHO) "CC $<"
-	$(Q)$(CC) $(CFLAGS) -c -o $@ $<
-
-$(BUILD)/main.o: mpconfigport.h
-
-clean:
-	$(RM) -f $(PROG)
-	$(RM) -rf $(BUILD)
-
-.PHONY: all clean