#########################################################################
#
# Makefile for 'gpsxmple' for Unix-like systems.
# Currently supported OSs: Linux, QNX 6.x
#
#########################################################################

MBG_TARGET_1 = gpsxmple
MBG_TARGET_2 = set-serial-port
MBG_TARGETS = $(MBG_TARGET_1) $(MBG_TARGET_2)


# Set V to 1 to build verbosely.
V ?= 0

# The lines below make the build output non-verbose by default.
# Call make with parameter "V=1" to get verbose output.
ifneq ("$(V)","0")
  Q :=
  QM :=
  vecho = @true
else
  Q := @
  QM := -s
  vecho = @echo
endif


MBGLIB = ../mbglib
MBGLIB_DIRS += common

VPATH += ..
VPATH += $(foreach dir,$(MBGLIB_DIRS),$(MBGLIB)/$(dir))


# List of object files for an intermediate, static library.
LIB_OBJS += extiohlp.o
LIB_OBJS += xtiocomm.o
LIB_OBJS += cfg_hlp.o
LIB_OBJS += mbgextio.o
LIB_OBJS += mbgserio.o
LIB_OBJS += gpsserio.o
LIB_OBJS += gpsutils.o
LIB_OBJS += aes128.o
LIB_OBJS += mbgerror.o
LIB_OBJS += str_util.o
LIB_OBJS += lan_util.o
LIB_OBJS += xdevfeat.o



MBG_LIB_BASENAME = mbg
MBG_LIB_FILE = lib$(MBG_LIB_BASENAME).a


LDLIBS += $(MBG_LIB_FILE)



# Try to determine whether the OS is QNX
OS_IS_QNX := $(shell uname | grep -i QNX && echo "QNX" )


# set up the compiler flags

CPPFLAGS += -Wall

ifdef DEBUG
  # build with debugging enabled
  CPPFLAGS += -g -DDEBUG=$(DEBUG)
else
  # build with specified optimization level
  CPPFLAGS += -O2
endif

CPPFLAGS += -D_USE_SOCKET_IO=1

CPPFLAGS += -I.
CPPFLAGS += $(foreach dir,$(MBGLIB_DIRS),-I$(MBGLIB)/$(dir))

ifneq ($(OS_IS_QNX),)
  # for QNX we must link the socket library explicitely
  LDFLAGS += -lsocket
  # we don't yet support serial I/O under QNX
  CPPFLAGS += -D_USE_SERIAL_IO=0
else
  CPPFLAGS += -D_USE_SERIAL_IO=1
endif



%.o: %.c
	$(vecho) "    $(CC)       $@"
	$(Q)$(CC) $(CPPFLAGS) $(CFLAGS) -c -o $@ $<


%.o: %.cpp
	$(vecho) "    $(CC)       $@"
	$(Q)$(CC) $(CPPFLAGS) $(CXXLAGS) -c -o $@ $<



.PHONY: all
all: $(MBG_TARGETS)



$(MBG_TARGETS): $(MBG_LIB_FILE)
	$(vecho) "    Linking $@"
	$(Q)$(CC) -o $@ $(LDFLAGS) $@.o $(OBJS) $(LDLIBS)

$(MBG_TARGET_1): $(MBG_TARGET_1).o
$(MBG_TARGET_2): $(MBG_TARGET_2).o



# Options for the archiver to build a static library
ARFLAGS := rcs
ifneq ("$(V)","0")
  # In verbose mode we also make the archiver verbose.
  ARFLAGS := $(ARFLAGS)v
endif


$(MBG_LIB_FILE): $(LIB_OBJS)
	$(vecho) "    $(AR)       $@"
	$(Q)$(AR) $(ARFLAGS) $@ $(LIB_OBJS)




.PHONY: clean
clean:
	rm -f *.o *~ core
	rm -f $(MBG_LIB_FILE)
	rm -f $(MBG_TARGETS)

.PHONY: distclean
distclean: clean