################################################################################
  #
  # gpsd
  #
  ################################################################################
  
  GPSD_VERSION = 3.16
  GPSD_SITE = http://download-mirror.savannah.gnu.org/releases/gpsd
  GPSD_LICENSE = BSD-3c
  GPSD_LICENSE_FILES = COPYING
  GPSD_INSTALL_STAGING = YES
  
  GPSD_DEPENDENCIES = host-scons host-pkgconf
  
  GPSD_LDFLAGS = $(TARGET_LDFLAGS)
  GPSD_CFLAGS = $(TARGET_CFLAGS)
  
  GPSD_SCONS_ENV = $(TARGET_CONFIGURE_OPTS)
  
  GPSD_SCONS_OPTS = \
  	arch=$(ARCH)\
  	prefix=/usr\
  	sysroot=$(STAGING_DIR)\
  	strip=no\
  	python=no
  
  ifeq ($(BR2_PACKAGE_NCURSES),y)
  GPSD_DEPENDENCIES += ncurses
  else
  GPSD_SCONS_OPTS += ncurses=no
  endif
  
  # Build libgpsmm if we've got C++
  ifeq ($(BR2_INSTALL_LIBSTDCPP),y)
  GPSD_LDFLAGS += -lstdc++
  GPSD_SCONS_OPTS += libgpsmm=yes
  else
  GPSD_SCONS_OPTS += libgpsmm=no
  endif
  
  # prevents from triggering GCC ICE
  # A bug was reported to the gcc bug tracker:
  # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68485
  ifeq ($(BR2_microblaze),y)
  GPSD_CFLAGS += -fno-expensive-optimizations -fno-schedule-insns
  endif
  
  # Enable or disable Qt binding
  ifeq ($(BR2_PACKAGE_QT_NETWORK),y)
  GPSD_SCONS_ENV += QMAKE="$(QT_QMAKE)"
  GPSD_DEPENDENCIES += qt
  else
  GPSD_SCONS_OPTS += qt=no
  endif
  
  # If libusb is available build it before so the package can use it
  ifeq ($(BR2_PACKAGE_LIBUSB),y)
  GPSD_DEPENDENCIES += libusb
  else
  GPSD_SCONS_OPTS += usb=no
  endif
  
  # If bluetooth is available build it before so the package can use it
  ifeq ($(BR2_PACKAGE_BLUEZ_UTILS),y)
  GPSD_DEPENDENCIES += bluez_utils
  else
  GPSD_SCONS_OPTS += bluez=no
  endif
  
  # If pps-tools is available, build it before so the package can use it
  # (HAVE_SYS_TIMEPPS_H).
  ifeq ($(BR2_PACKAGE_PPS_TOOLS),y)
  GPSD_DEPENDENCIES += pps-tools
  endif
  
  ifeq ($(BR2_PACKAGE_DBUS_GLIB),y)
  GPSD_SCONS_OPTS += dbus_export=yes
  GPSD_DEPENDENCIES += dbus-glib
  endif
  
  # Protocol support
  ifneq ($(BR2_PACKAGE_GPSD_ASHTECH),y)
  GPSD_SCONS_OPTS += ashtech=no
  endif
  ifneq ($(BR2_PACKAGE_GPSD_AIVDM),y)
  GPSD_SCONS_OPTS += aivdm=no
  endif
  ifneq ($(BR2_PACKAGE_GPSD_EARTHMATE),y)
  GPSD_SCONS_OPTS += earthmate=no
  endif
  ifneq ($(BR2_PACKAGE_GPSD_EVERMORE),y)
  GPSD_SCONS_OPTS += evermore=no
  endif
  ifneq ($(BR2_PACKAGE_GPSD_FURY),y)
  GPSD_SCONS_OPTS += fury=no
  endif
  ifneq ($(BR2_PACKAGE_GPSD_FV18),y)
  GPSD_SCONS_OPTS += fv18=no
  endif
  ifneq ($(BR2_PACKAGE_GPSD_GARMIN),y)
  GPSD_SCONS_OPTS += garmin=no
  endif
  ifneq ($(BR2_PACKAGE_GPSD_GARMIN_SIMPLE_TXT),y)
  GPSD_SCONS_OPTS += garmintxt=no
  endif
  ifneq ($(BR2_PACKAGE_GPSD_GEOSTAR),y)
  GPSD_SCONS_OPTS += geostar=no
  endif
  ifneq ($(BR2_PACKAGE_GPSD_GPSCLOCK),y)
  GPSD_SCONS_OPTS += gpsclock=no
  endif
  ifneq ($(BR2_PACKAGE_GPSD_ITRAX),y)
  GPSD_SCONS_OPTS += itrax=no
  endif
  ifneq ($(BR2_PACKAGE_GPSD_MTK3301),y)
  GPSD_SCONS_OPTS += mtk3301=no
  endif
  ifneq ($(BR2_PACKAGE_GPSD_NMEA),y)
  GPSD_SCONS_OPTS += nmea0183=no
  endif
  ifneq ($(BR2_PACKAGE_GPSD_NTRIP),y)
  GPSD_SCONS_OPTS += ntrip=no
  endif
  ifneq ($(BR2_PACKAGE_GPSD_NAVCOM),y)
  GPSD_SCONS_OPTS += navcom=no
  endif
  ifneq ($(BR2_PACKAGE_GPSD_NMEA2000),y)
  GPSD_SCONS_OPTS += nmea2000=no
  endif
  ifneq ($(BR2_PACKAGE_GPSD_OCEANSERVER),y)
  GPSD_SCONS_OPTS += oceanserver=no
  endif
  ifneq ($(BR2_PACKAGE_GPSD_ONCORE),y)
  GPSD_SCONS_OPTS += oncore=no
  endif
  ifneq ($(BR2_PACKAGE_GPSD_RTCM104V2),y)
  GPSD_SCONS_OPTS += rtcm104v2=no
  endif
  ifneq ($(BR2_PACKAGE_GPSD_RTCM104V3),y)
  GPSD_SCONS_OPTS += rtcm104v3=no
  endif
  ifneq ($(BR2_PACKAGE_GPSD_SIRF),y)
  GPSD_SCONS_OPTS += sirf=no
  endif
  ifneq ($(BR2_PACKAGE_GPSD_SUPERSTAR2),y)
  GPSD_SCONS_OPTS += superstar2=no
  endif
  ifneq ($(BR2_PACKAGE_GPSD_TRIMBLE_TSIP),y)
  GPSD_SCONS_OPTS += tsip=no
  endif
  ifneq ($(BR2_PACKAGE_GPSD_TRIPMATE),y)
  GPSD_SCONS_OPTS += tripmate=no
  endif
  ifneq ($(BR2_PACKAGE_GPSD_TRUE_NORTH),y)
  GPSD_SCONS_OPTS += tnt=no
  endif
  ifneq ($(BR2_PACKAGE_GPSD_UBX),y)
  GPSD_SCONS_OPTS += ublox=no
  endif
  
  # Features
  ifneq ($(BR2_PACKAGE_GPSD_NTP_SHM),y)
  GPSD_SCONS_OPTS += ntpshm=no
  endif
  ifneq ($(BR2_PACKAGE_GPSD_PPS),y)
  GPSD_SCONS_OPTS += pps=no
  endif
  ifeq ($(BR2_PACKAGE_GPSD_SQUELCH),y)
  GPSD_SCONS_OPTS += squelch=yes
  endif
  ifneq ($(BR2_PACKAGE_GPSD_RECONFIGURE),y)
  GPSD_SCONS_OPTS += reconfigure=no
  endif
  ifneq ($(BR2_PACKAGE_GPSD_CONTROLSEND),y)
  GPSD_SCONS_OPTS += controlsend=no
  endif
  ifneq ($(BR2_PACKAGE_GPSD_OLDSTYLE),y)
  GPSD_SCONS_OPTS += oldstyle=no
  endif
  ifeq ($(BR2_PACKAGE_GPSD_PROFILING),y)
  GPSD_SCONS_OPTS += profiling=yes
  endif
  ifneq ($(BR2_PACKAGE_GPSD_CLIENT_DEBUG),y)
  GPSD_SCONS_OPTS += clientdebug=no
  endif
  ifeq ($(BR2_PACKAGE_GPSD_USER),y)
  GPSD_SCONS_OPTS += gpsd_user=$(BR2_PACKAGE_GPSD_USER_VALUE)
  endif
  ifeq ($(BR2_PACKAGE_GPSD_GROUP),y)
  GPSD_SCONS_OPTS += gpsd_group=$(BR2_PACKAGE_GPSD_GROUP_VALUE)
  endif
  ifeq ($(BR2_PACKAGE_GPSD_FIXED_PORT_SPEED),y)
  GPSD_SCONS_OPTS += fixed_port_speed=$(BR2_PACKAGE_GPSD_FIXED_PORT_SPEED_VALUE)
  endif
  ifeq ($(BR2_PACKAGE_GPSD_MAX_CLIENT),y)
  GPSD_SCONS_OPTS += limited_max_clients=$(BR2_PACKAGE_GPSD_MAX_CLIENT_VALUE)
  endif
  ifeq ($(BR2_PACKAGE_GPSD_MAX_DEV),y)
  GPSD_SCONS_OPTS += limited_max_devices=$(BR2_PACKAGE_GPSD_MAX_DEV_VALUE)
  endif
  
  GPSD_SCONS_ENV += LDFLAGS="$(GPSD_LDFLAGS)" CFLAGS="$(GPSD_CFLAGS)"
  
  define GPSD_BUILD_CMDS
  	(cd $(@D); \
  		$(GPSD_SCONS_ENV) \
  		$(SCONS) \
  		$(GPSD_SCONS_OPTS))
  endef
  
  define GPSD_INSTALL_TARGET_CMDS
  	(cd $(@D); \
  		$(GPSD_SCONS_ENV) \
  		DESTDIR=$(TARGET_DIR) \
  		$(SCONS) \
  		$(GPSD_SCONS_OPTS) \
  		install)
  endef
  
  define GPSD_INSTALL_INIT_SYSV
  	$(INSTALL) -m 0755 -D package/gpsd/S50gpsd $(TARGET_DIR)/etc/init.d/S50gpsd
  	$(SED) 's,^DEVICES=.*,DEVICES=$(BR2_PACKAGE_GPSD_DEVICES),' $(TARGET_DIR)/etc/init.d/S50gpsd
  endef
  
  define GPSD_INSTALL_STAGING_CMDS
  	(cd $(@D); \
  		$(GPSD_SCONS_ENV) \
  		DESTDIR=$(STAGING_DIR) \
  		$(SCONS) \
  		$(GPSD_SCONS_OPTS) \
  		install)
  endef
  
  # After installing the udev rule, make it writable so that this
  # package can be re-built/re-installed.
  ifeq ($(BR2_PACKAGE_HAS_UDEV),y)
  define GPSD_INSTALL_UDEV_RULES
  	(cd $(@D); \
  		$(GPSD_SCONS_ENV) \
  		DESTDIR=$(TARGET_DIR) \
  		$(SCONS) \
  		$(GPSD_SCONS_OPTS) \
  		udev-install)
  	chmod u+w $(TARGET_DIR)/lib/udev/rules.d/25-gpsd.rules
  endef
  
  GPSD_POST_INSTALL_TARGET_HOOKS += GPSD_INSTALL_UDEV_RULES
  endif
  
  $(eval $(generic-package))