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vpath % ../stm:../product:../drivers:../kernel:../util:../kalman:../aes:../math:../draw:../scheme:..
vpath make-altitude ../util
vpath make-kalman ../util
vpath kalman.5c ../kalman
vpath kalman_filter.5c ../kalman
vpath load_csv.5c ../kalman
vpath matrix.5c ../kalman
vpath ao-make-product.5c ../util

.SUFFIXES: .elf .ihx

.elf.ihx:
	$(ELFTOHEX) --output=$@ $*.elf

ifndef TOPDIR
TOPDIR=..
endif

ifndef VERSION
include $(TOPDIR)/Version
endif
include $(TOPDIR)/Makedefs

CC=$(ARM_CC)
LIBS=-L$(NEWLIB_NANO)/arm-none-eabi/lib/thumb/v7-m -lm -lc -lgcc

WARN_FLAGS=-Wall -Wextra -Werror

AO_CFLAGS=-I. -I../stm -I../kernel -I../drivers -I../math -I../draw \
	-DNEWLIB_INTEGER_PRINTF_SCANF \
	-I../lisp -I.. -isystem $(NEWLIB_NANO)/arm-none-eabi/include

STM_CFLAGS=-std=gnu99 -mlittle-endian -mcpu=cortex-m3 -mthumb -Wcast-align \
	-ffreestanding -nostdlib $(AO_CFLAGS) $(WARN_FLAGS)

LDFLAGS=-L../stm -Wl,-Taltos.ld -nostartfiles -Wl,-Map=$(PROGNAME).map

NICKLE=nickle
ELFTOHEX=$(TOPDIR)/../ao-tools/ao-elftohex/ao-elftohex

V=0
# The user has explicitly enabled quiet compilation.
ifeq ($(V),0)
quiet = @printf "  $1 $2 $@\n"; $($1)
endif
# Otherwise, print the full command line.
quiet ?= $($1)

.c.o:
	$(call quiet,CC) -c $(CFLAGS) -o $@ $<