ifeq ($(OPENWRT_BUILD),)
#Normal system
-CFLAGS=-Wall -Wextra -Wno-unused-parameter -pedantic
-CFLAGS+= -Wno-unknown-warning-option
-CFLAGS+= -Wformat=2
-CFLAGS+= -Wformat-truncation=2
-CFLAGS+= -Wwrite-strings
-CFLAGS+= -Wnull-dereference
-CFLAGS+= -Wuninitialized
-CFLAGS+= -Wstrict-overflow
-CFLAGS+= -Wdate-time
-CFLAGS+= -Wundef
-CFLAGS+= -Wpacked
-CFLAGS+= -Wduplicated-branches
-CFLAGS+= -Wduplicated-cond
-CFLAGS+= -Wstrict-prototypes
-CFLAGS+= -Wbad-function-cast
-CFLAGS+= -Wold-style-definition
-CFLAGS+= -MMD -O2 -I/opt/local/include -g
+CFLAGS=-MMD -O2 -Wall -I/opt/local/include -g
LDFLAGS=-L/opt/local/lib
LDLIBS=-lusb-1.0 -lrt
-CC=gcc
-HMLAN_OBJS=hmcfgusb.o hmland.o util.o
-HMSNIFF_OBJS=hmcfgusb.o hmuartlgw.o hmsniff.o
-FLASH_HMCFGUSB_OBJS=hmcfgusb.o firmware.o util.o flash-hmcfgusb.o
-FLASH_HMMODUART_OBJS=hmuartlgw.o firmware.o util.o flash-hmmoduart.o
-FLASH_OTA_OBJS=hmcfgusb.o culfw.o hmuartlgw.o firmware.o util.o flash-ota.o hm.o aes.o
+ifeq ($(firstword $(origin CC)),default)
+CC:=gcc
+endif
+
+HMLAN_OBJS:=hmcfgusb.o hmland.o util.o
+HMSNIFF_OBJS:=hmcfgusb.o hmuartlgw.o hmsniff.o
+FLASH_HMCFGUSB_OBJS:=hmcfgusb.o firmware.o util.o flash-hmcfgusb.o
+FLASH_HMMODUART_OBJS:=hmuartlgw.o firmware.o util.o flash-hmmoduart.o
+FLASH_OTA_OBJS:=hmcfgusb.o culfw.o hmuartlgw.o firmware.o util.o flash-ota.o hm.o aes.o
-OBJS=$(HMLAN_OBJS) $(HMSNIFF_OBJS) $(FLASH_HMCFGUSB_OBJS) $(FLASH_HMMODUART_OBJS) $(FLASH_OTA_OBJS)
+OBJS:=$(HMLAN_OBJS) $(HMSNIFF_OBJS) $(FLASH_HMCFGUSB_OBJS) $(FLASH_HMMODUART_OBJS) $(FLASH_OTA_OBJS)
all: hmland hmsniff flash-hmcfgusb flash-hmmoduart flash-ota
-DEPEND=$(OBJS:.o=.d)
+DEPEND:=$(OBJS:.o=.d)
-include $(DEPEND)
hmland: $(HMLAN_OBJS)