no idea how this ever worked...
@ -28,7 +28,7 @@ CFLAGS = -Os -g -Wall -Wextra -I../../include -fno-common \
-ffunction-sections -fdata-sections -MD
# ARFLAGS = rcsv
ARFLAGS = rcs
OBJS = gpio.o assert.o
OBJS = gpio.o assert.o vector.o
VPATH += ../cm3