Makefile: support unix builds

diff --git a/Makefile b/Makefile
index 9724f4600fb0b19a656f6a342f006e2d8a6bc952..c0ff095a13e56d67a9117f75b4d88b257a396c74 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -6,10 +6,16 @@ F_CPU   := 16000000UL
 INC     := -I.
 AVRDUDE := avrdude -c usbasp -p $(DEVICE) -C $(AVR_DIR)\etc\avrdude.conf
 
+uname_S := $(shell sh -c 'uname -s 2>/dev/null || echo not')
+
 CC      := avr-gcc
 LD      := avr-gcc
 OBJCOPY := avr-objcopy
+ifeq ($(uname_S),Windows)
 RM      := del >NUL
+else
+RM      := rm -f
+endif
 CFLAGS  :=-Wall -Wstrict-prototypes -Wmissing-prototypes -Wcast-align -Wshadow \
           -std=gnu99 -fshort-enums -pedantic-errors -Os -mcall-prologues \
           -mmcu=$(DEVICE) -DF_CPU=$(F_CPU)
@@ -26,10 +32,10 @@ all: $(PROJECT).hex
 
 %.hex: %.elf
        $(QUIET_OBJCOPY) -j .text -j .data -O ihex $< $@
-    
+
 %.elf: %.o
        $(QUIET_LD) $(LDFLAGS) $< -o $@
-    
+
 %.o: %.c
        $(QUIET_CC) $(CFLAGS) $(INC) -c $<