fix dynamic "$(RM)" use instead of direct "rm -f" command

Signed-off-by: Stephan Baerwolf <stephan.baerwolf@tu-ilmenau.de>

diff --git a/firmware/Makefile b/firmware/Makefile
index a9a1c40..9afd680 100644 (file)
--- a/firmware/Makefile
+++ b/firmware/Makefile
@@ -60,17 +60,17 @@ read_fuses:
        $(UISP) --rd_fuses
 
 deepclean: clean
-       rm -f *~
+       $(RM) *~
 
 clean:
-       rm -f main.hex main.bin *.o usbdrv/*.o main.s usbdrv/oddebug.s usbdrv/usbdrv.s
+       $(RM) main.hex main.bin *.o usbdrv/*.o main.s usbdrv/oddebug.s usbdrv/usbdrv.s
 
 # file targets:
 main.bin:      $(OBJECTS)
        $(CC) $(CFLAGS) -o main.bin $(OBJECTS) $(LDFLAGS)
 
 main.hex:      main.bin
-       rm -f main.hex main.eep.hex
+       $(RM) main.hex main.eep.hex
        $(OBC) -j .text -j .data -O ihex main.bin main.hex
        $(SIZ) main.bin