qt5base: add D-Bus support

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/qt5/qt5base/Config.in

@@ -132,4 +132,12 @@ config BR2_PACKAGE_QT5BASE_PNG
 
 endif
 
+config BR2_PACKAGE_QT5BASE_DBUS
+	bool "DBus module"
+	select BR2_PACKAGE_DBUS
+	depends on BR2_TOOLCHAIN_HAS_THREADS
+	depends on BR2_USE_MMU
+	help
+	  This option enables the D-Bus module.
+
 endif

package/qt5/qt5base/qt5base.mk

@@ -27,7 +27,6 @@ QT5BASE_CONFIGURE_OPTS += \
 	-no-libudev \
 	-no-iconv \
 	-no-icu \
-	-no-dbus \
 	-no-gstreamer \
 	-no-gtkstyle \
 	-system-zlib \
@@ -93,6 +92,9 @@ QT5BASE_DEPENDENCIES   += $(if $(BR2_PACKAGE_QT5BASE_JPEG),jpeg)
 QT5BASE_CONFIGURE_OPTS += $(if $(BR2_PACKAGE_QT5BASE_PNG),-system-libpng,-no-libpng)
 QT5BASE_DEPENDENCIES   += $(if $(BR2_PACKAGE_QT5BASE_PNG),libpng)
 
+QT5BASE_CONFIGURE_OPTS += $(if $(BR2_PACKAGE_QT5BASE_DBUS),-dbus,-no-dbus)
+QT5BASE_DEPENDENCIES   += $(if $(BR2_PACKAGE_QT5BASE_DBUS),dbus)
+
 # Build the list of libraries to be installed on the target
 QT5BASE_INSTALL_LIBS_y                                 += Qt5Core
 QT5BASE_INSTALL_LIBS_$(BR2_PACKAGE_QT5BASE_NETWORK)    += Qt5Network
@@ -105,6 +107,8 @@ QT5BASE_INSTALL_LIBS_$(BR2_PACKAGE_QT5BASE_GUI)          += Qt5Gui
 QT5BASE_INSTALL_LIBS_$(BR2_PACKAGE_QT5BASE_WIDGETS)      += Qt5Widgets
 QT5BASE_INSTALL_LIBS_$(BR2_PACKAGE_QT5BASE_PRINTSUPPORT) += Qt5PrintSupport
 
+QT5BASE_INSTALL_LIBS_$(BR2_PACKAGE_QT5BASE_DBUS) += Qt5DBus
+
 # Ideally, we could use -device-option to substitute variable values
 # in our linux-buildroot-g++/qmake.config, but this mechanism doesn't
 # nicely support variable values that contain spaces. So we use the