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include $(TOPDIR)/Makedefs

AO_VPATH=$(TOPDIR)/product:$(TOPDIR)/drivers:$(TOPDIR)/kernel:$(TOPDIR)/util:$(TOPDIR)/kalman:$(TOPDIR)/aes:$(TOPDIR)/math:$(TOPDIR)/draw:$(TOPDIR)
vpath make-altitude $(TOPDIR)/util
vpath make-kalman $(TOPDIR)/util
vpath kalman.5c $(TOPDIR)/kalman
vpath kalman_filter.5c $(TOPDIR)/kalman
vpath load_csv.5c $(TOPDIR)/kalman
vpath matrix.5c $(TOPDIR)/kalman
vpath ao-make-product.5c $(TOPDIR)/util

WARN_FLAGS=-Wall -Wextra -Werror -Wcast-align \
	-Wpointer-arith \
	-Wstrict-prototypes \
	-Wmissing-prototypes \
	-Wmissing-declarations \
	-Wnested-externs \
	-Wshadow \
	-Warray-bounds=2

OPT=-Os

NEWLIB_PRINTF_CFLAGS = 	-DNEWLIB_INTEGER_PRINTF_SCANF

NEWLIB_CFLAGS= \
	-ffreestanding -nostdlib \
	-isystem $(NEWLIB_NANO)/arm-none-eabi/include \
	$(NEWLIB_PRINTF_CFLAGS)

AO_CFLAGS=\
	-std=gnu99 \
	-I. -I$(TOPDIR) -I$(TOPDIR)/kernel -I$(TOPDIR)/drivers \
	-I$(TOPDIR)/math -I$(TOPDIR)/draw -I$(TOPDIR)/product $(WARN_FLAGS) $(OPT) -g

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

.SUFFIXES: .elf .ihx

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

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 $@ $<

.DEFAULT_GOAL=all

ao_product.h: ao-make-product.5c $(TOPDIR)/Makedefs
	$(call quiet,NICKLE,$<) $< -m altusmetrum.org -i $(IDPRODUCT) -p $(PRODUCT) -v $(VERSION) > $@