detect os and lsb release

Makefile

@@ -1,28 +1,22 @@
 # detect OS
 ifeq ($(OS),Windows_NT)
-    RM = del /q
+    RM  := del /q
+    COM := COM3
 else
-    UNAME_S := $(shell uname -s)
-    ifeq ($(UNAME_S),Linux)
-        RM = rm -rf
+    RM =: rm -rf
+
+    UNAME_S := $(shell cat /etc/*-release | grep 'DISTRIB_ID' | sed 's/DISTRIB_ID=\(\w*\)/\1/g')
+    ifeq ($(UNAME_S),Ubuntu)
+    CC  := sdcc
+    COM := /dev/ttyUSB0
     endif
-    ifeq ($(UNAME_S),Darwin)
-        RM = rm -rf
+    ifeq ($(UNAME_S),Deepin)
+    CC  := ablrun sdcc
+    COM := /dev/ttyUSB0
     endif
-    # UNAME_P := $(shell uname -p)
-    # ifeq ($(UNAME_P),x86_64)
-    #     CCFLAGS += -D AMD64
-    # endif
-    # ifneq ($(filter %86,$(UNAME_P)),)
-    #     CCFLAGS += -D IA32
-    # endif
-    # ifneq ($(filter arm%,$(UNAME_P)),)
-    #     CCFLAGS += -D ARM
-    # endif
 endif
 
 # set CC TOOL
-CC := sdcc
 PACKIHX := packihx
 CFLAGS := -DUSE_FLOATS=1
 
@@ -54,7 +48,7 @@ uart_temp.hex: $(TARGET)
 	-$(PACKIHX) $(TARGET) > uart_temp.hex
 
 flash: 
-	-stcgal -P stc89 -p COM3 .\uart_temp.hex
+	-stcgal -P stc89 -p $(COM) -d uart_temp.hex
 
 #led.bin:led.hex
 #       objcopy -I ihex -O binary led.hex led.bin