.PHONY : all test doc prepare clean purge install uninstall style check

SRC_DIR = src
OBJ_DIR = obj
TESTS_DIR = tests
DOXYGEN_DIR = doc
DOXYFILE = Doxyfile

# Installation directory
PREFIX = /usr/local
INSTALL_DIR =  $(PREFIX)/bin

# System tools
RM = rm -fv
RM_RECURSIVE = \rm -fr
RM_RECURSIVE_VERBOSE = rm -frv
CP = cp -v
MKDIR = mkdir -pv

# Other tools
STYLE = astyle --style=gnu --formatted
CPPCHECK = cppcheck --enable=all
DOXYGEN = doxygen >/dev/null

# Compilation tools and flags
GXX = g++-4.4
#DEBUG = -g
TESTSGXXFLAGS = -I$(TESTS_DIR) -I$(SRC_DIR) -I.
GXXFLAGS = $(DEBUG) -Wall -Wextra
LD = $(GXX)
LDFLAGS = -lm -lrt -lboost_program_options

# Targets
TARGET = owlps-positioning
OBJ_TARGET = $(OBJ_DIR)/$(TARGET).o
SOURCE_TARGET = $(SRC_DIR)/$(TARGET).cc

OBJ_LIST = \
	posutil.o \
	stock.o \
	timestamp.o \
	direction.o \
	point3d.o \
	referencepoint.o \
	waypoint.o \
	building.o \
	area.o \
	wifidevice.o \
	accesspoint.o \
	mobile.o \
	measurement.o \
	request.o \
	calibrationrequest.o \
	result.o \
	realposition.o \
	configuration.o \
	userinterface.o \
	output.o \
	outputterminal.o \
	outputcsv.o \
	positioning.o \
	input.o \
	inputcsv.o \
	inputlogcsv.o
OBJ_NOTEST_LIST = \
	posexcept.o \
	outputfilemedium.o \
	inputmedium.o
INTERFACES_LIST = \
	inputlogmedium.hh \
	outputmedium.hh \
	positioningalgorithm.hh

OBJ = $(OBJ_LIST:%=$(OBJ_DIR)/%)
OBJ_NOTEST = $(OBJ_NOTEST_LIST:%=$(OBJ_DIR)/%)
INTERFACES = $(INTERFACES_LIST:%=$(SRC_DIR)/%)
SOURCE = \
	$(OBJ:$(OBJ_DIR)/%.o=$(SRC_DIR)/%.hh) \
	$(OBJ:$(OBJ_DIR)/%.o=$(SRC_DIR)/%.cc) \
	$(OBJ_NOTEST:$(OBJ_DIR)/%.o=$(SRC_DIR)/%.hh) \
	$(OBJ_NOTEST:$(OBJ_DIR)/%.o=$(SRC_DIR)/%.cc) \
	$(INTERFACES)

TESTS_XX = $(TESTS_DIR)/tests.cc
TESTS_OBJ = $(TESTS_DIR)/tests.o
TESTS_TARGET = $(TESTS_DIR)/tests
TESTUTIL_OBJ = $(TESTS_DIR)/testutil.o
TESTSETUP_OBJ = $(TESTS_DIR)/testsetup.o
SOURCE_TESTS = $(OBJ:$(OBJ_DIR)/%.o=$(TESTS_DIR)/%_test.hh)
OBJ_TESTS = $(TESTUTIL_OBJ) $(TESTSETUP_OBJ)
INCLUDES_TESTS = $(TESTS_DIR)/valuetraits.hh

all: prepare $(TARGET)

# Generic targets
$(TESTS_DIR)/%.o: $(TESTS_DIR)/%.cc $(TESTS_DIR)/%.hh
	$(GXX) $(GXXFLAGS) $(TESTSGXXFLAGS) -o $@ -c $<

$(OBJ_DIR)/%.o: $(SRC_DIR)/%.cc $(SRC_DIR)/%.hh
	$(GXX) $(GXXFLAGS) -o $@ -c $<

%: $(OBJ_DIR)/%.o
	$(LD) $(LDFLAGS) -o $@ $^

# Dependencies
userinterface.o: \
	$(OBJ_DIR)/configuration.o
referencepoint.o: \
	$(OBJ_DIR)/point3d.o
waypoint.o: \
	$(OBJ_DIR)/point3d.o \
	$(OBJ_DIR)/building.o
area.o: \
	$(OBJ_DIR)/building.o \
	$(OBJ_DIR)/point3d.o
wifidevice.o: \
	$(OBJ_DIR)/posutil.o
accesspoint.o: \
	$(OBJ_DIR)/wifidevice.o \
	$(OBJ_DIR)/point3d.o
mobile.o: \
	$(OBJ_DIR)/wifidevice.o
measurement.o: \
	$(OBJ_DIR)/accesspoint.o
request.o: \
	$(OBJ_DIR)/timestamp.o \
	$(OBJ_DIR)/measurement.o
calibrationrequest.o: \
	$(OBJ_DIR)/request.o \
	$(OBJ_DIR)/referencepoint.o \
	$(OBJ_DIR)/direction.o
outputfilemedium.o: \
	$(OBJ_DIR)/posexcept.o
inputcsv.o: \
	$(OBJ_DIR)/inputmedium.o \
	$(OBJ_DIR)/request.o \
	$(OBJ_DIR)/calibrationrequest.o \
	$(OBJ_DIR)/stock.o
inputlogcsv.o: \
	$(SRC_DIR)/inputlogmedium.hh \
	$(OBJ_DIR)/request.o
input.o: \
	$(OBJ_DIR)/inputcsv.o \
	$(OBJ_DIR)/inputlogcsv.o \
	$(OBJ_DIR)/calibrationrequest.o \
	$(OBJ_DIR)/configuration.o \
	$(OBJ_DIR)/posexcept.o \
	$(OBJ_DIR)/stock.o
outputterminal.o: \
	$(SRC_DIR)/outputmedium.hh \
	$(OBJ_DIR)/result.o
outputcsv.o: \
	$(SRC_DIR)/outputmedium.hh \
	$(OBJ_DIR)/outputfilemedium.o \
	$(OBJ_DIR)/result.o
output.o: \
	$(OBJ_DIR)/outputterminal.o \
	$(OBJ_DIR)/configuration.o \
	$(OBJ_DIR)/posexcept.o
realposition.o: \
	$(SRC_DIR)/positioningalgorithm.hh \
	$(OBJ_DIR)/result.o \
	$(OBJ_DIR)/calibrationrequest.o \
	$(OBJ_DIR)/referencepoint.o
positioning.o: \
	$(OBJ_DIR)/input.o \
	$(OBJ_DIR)/realposition.o \
	$(OBJ_DIR)/output.o \
	$(OBJ_DIR)/configuration.o \
	$(OBJ_DIR)/posexcept.o

# Specific targets
$(TARGET): $(OBJ) $(OBJ_NOTEST) $(OBJ_TARGET)

$(OBJ_TARGET): $(SOURCE_TARGET)
	$(GXX) $(GXXFLAGS) -o $@ -c $<

$(TESTS_XX): $(SOURCE_TESTS) $(OBJ)
	$(TESTS_DIR)/cxxtestgen.pl --error-printer \
		--include=$(TESTS_DIR)/valuetraits.hh \
		--include=$(TESTUTIL_OBJ:.o=.hh) \
		-o $@ $(SOURCE_TESTS)

$(TESTS_OBJ): $(TESTS_XX) $(INCLUDES_TESTS)
	$(GXX) $(GXXFLAGS) $(TESTSGXXFLAGS) -o $@ -c $<

$(TESTS_TARGET): $(TESTS_OBJ) $(OBJ_TESTS) $(OBJ) $(OBJ_NOTEST)
	$(LD) $(LDFLAGS) -o $@ $^

test: prepare $(TESTS_TARGET)
	@$(TESTS_TARGET)

doc:
	@$(DOXYGEN) $(DOXYFILE)

prepare:
	@$(MKDIR) $(OBJ_DIR)

clean:
	@$(RM) *~ */*~ *.orig */*.orig
	@$(RM_RECURSIVE_VERBOSE) $(OBJ_DIR)
	@$(RM) $(TESTS_XX) $(TESTS_DIR)/*.o

purge: clean
	@$(RM) $(TARGET)
	@$(RM) $(TESTS_TARGET)
	@$(RM_RECURSIVE) $(DOXYGEN_DIR)

install: $(TARGET)
	@$(CP) $(TARGET) $(INSTALL_DIR) && \
		chmod 755 $(INSTALL_DIR)/$(TARGET) && \
		chown root:root $(INSTALL_DIR)/$(TARGET)

uninstall:
	@$(RM) $(INSTALL_DIR)/$(TARGET)

style:
	@$(STYLE) \
		$(SOURCE) \
		$(TESTS_DIR)/*.hh \
		$(TESTS_DIR)/*.cc

check:
	@$(CPPCHECK) \
		$(SOURCE) \
		$(TARGET).cc