mode = release

target := $(shell uname -s)

variant = $(target)_$(mode)

o = target/$(variant)

ifeq ($(EMULATOR),1)

CC ?= gcc

LD := $(CC)

OBJCOPY := objcopy

OBJDUMP := objdump

AR := ar

AS := as

PREFIX ?= arm-none-eabi-

CC := $(PREFIX)gcc

LD := $(PREFIX)gcc

OBJCOPY := $(PREFIX)objcopy

OBJDUMP := $(PREFIX)objdump

AR := $(PREFIX)ar

AS := $(PREFIX)as

CPUFLAGS ?= -mcpu=cortex-m3 -mthumb

FPUFLAGS ?= -msoft-float

test_files := $(wildcard *_test.c)

test_exes = $(patsubst %.c,$o/%,$(test_files))

test_oks = $(addsuffix .ok,$(test_exes))

ifeq ($(EMULATOR),1)

all: $(test_oks) $(test_exes) libsol.a

all: libsol.a

CFLAGS += -Werror -Wall -Wextra -pedantic -Wshadow -Wcast-qual -Wcast-align -Wno-unused-parameter -Wno-gnu-folding-constant

CFLAGS += -Iinclude

CFLAGS += $($(mode)_CFLAGS)

CFLAGS += -ffunction-sections -fdata-sections $(CPUFLAGS) $(FPUFLAGS)

debug_CFLAGS = -g -fsanitize=address -fsanitize=undefined

release_CFLAGS = -Os

libsol_source_files = $(filter-out %_test.c,$(wildcard *.c))

libsol_object_files = $(patsubst %.c,$o/%.o,$(libsol_source_files))

libsol_depend_files = $(patsubst %.c,$o/%.d,$(libsol_source_files))

-include $(libsol_depend_files)

$o/%.o: %.c

@echo "==> Compile $<"

@mkdir -p $(@D)

$(CC) -MMD -c $(CFLAGS) $< -o $@

$o/%_test.ok: $o/%_test

@echo "==> Run test $<"

@$<

@touch $@

$o/%_test: $o/%_test.o libsol.a

@echo "==> Link test $@"

$(CC) $(CFLAGS) -o $@ $^

libsol.a: $(libsol_object_files)

@echo "==> Create static library $@"

ar rcs $@ $^

.PHONY: clean

clean:

@echo "==> Clean build directory"

rm -rf target libsol.a