SRCS=src/mqtt.c src/packet.c src/protocol.c src/state_queue.c src/subscriptions.c platform/linux.c
OBJS=$(SRCS:%.c=%.o)
DEBUG_OBJS=$(SRCS:%.c=%.do)
COVERAGE_FILES=$(SRCS:%.c=%.gcno) $(SRCS:%.c=%.gcda)

TARGET=libmqtt.a
DEBUG_TARGET=libmqtt-debug.a

MAJOR_VERSION=0
MINOR_VERSION=1

PLATFORM_FLAGS=

AR=ar
CC=gcc
EXTRA_CFLAGS=
CFLAGS=-g -Os -Wall -pthread -I./platform -I./src $(EXTRA_CFLAGS) $(PLATFORM_FLAGS)
COVERAGE_FLAGS=-fprofile-arcs -ftest-coverage
DEBUG_FLAGS=-DDEBUG=1 $(COVERAGE_FLAGS)

all: $(TARGET) $(DEBUG_TARGET)

test:
	$(MAKE) EXTRA_CFLAGS="-DMQTT_SERVER=1 -DMQTT_CLIENT=1" clean all
	$(MAKE) -C tests
	$(MAKE) clean

coverage: 
	$(MAKE) EXTRA_CFLAGS="-DMQTT_SERVER=1 -DMQTT_CLIENT=1" clean all
	$(MAKE) DEBUG_FLAGS= -C tests clean all
	lcov --capture --directory . --output-file lcov.info
	rm -rf coverage
	mkdir -p coverage
	genhtml -o coverage lcov.info

dist: $(TARGET)
	mkdir -p dist/include
	mkdir -p dist/lib
	cp libmqtt.a dist/lib
	cp src/mqtt.h dist/include
	(cd dist && tar czvf ../libmqtt-$(MAJOR_VERSION).$(MINOR_VERSION).tar.gz .)

src/mqtt.h: src/mqtt.h.in
	sed \
		-e 's/@LIBMQTT_VERSION_MAJOR@/'$(MAJOR_VERSION)'/' \
		-e 's/@LIBMQTT_VERSION_MINOR@/'$(MINOR_VERSION)'/' \
		-e 's/@LIBMQTT_BUILD_DATE@/"'`date +%Y-%m-%d_%H-%M-%S`'"/' \
	       src/mqtt.h.in >src/mqtt.h


$(TARGET): $(OBJS)
	$(AR) -cr $(TARGET) $(OBJS)

$(DEBUG_TARGET): $(DEBUG_OBJS)
	$(AR) -cr $(DEBUG_TARGET) $(DEBUG_OBJS)

%.do: %.c src/mqtt.h
	$(CC) $(CFLAGS) $(DEBUG_FLAGS) -o $@ -c $<

%.o: %.c src/mqtt.h
	$(CC) $(CFLAGS) -o $@ -c $<

mqtt.o: mqtt.h

clean:
	$(MAKE) -C tests clean
	rm -f $(TARGET) $(DEBUG_TARGET)
	rm -f $(OBJS) $(DEBUG_OBJS)
	rm -f $(COVERAGE_FILES)
	rm -f *.gcov
	rm -rf docs/
	rm -rf coverage/
	rm -rf dist/
	rm -f libmqtt-$(MAJOR_VERSION).$(MINOR_VERSION).tar.gz

.PHONY: coverage test src/mqtt.h