qt5base: add GUI support

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

package/qt5/qt5base/Config.in

@@ -53,4 +53,48 @@ config BR2_PACKAGE_QT5BASE_XML
 	help
 	  This options enables the Qt5Xml library.
 
+config BR2_PACKAGE_QT5BASE_GUI
+	bool "gui module"
+	# At least one graphic backend must be enabled, so enable
+	# linuxfb if nothing is enabled.
+	select BR2_PACKAGE_QT5BASE_LINUXFB if \
+	       !BR2_PACKAGE_QT5BASE_DIRECTFB && \
+	       !BR2_PACKAGE_QT5BASE_XCB
+	help
+	  This option enables the Qt5Gui library.
+
+if BR2_PACKAGE_QT5BASE_GUI
+
+config BR2_PACKAGE_QT5BASE_WIDGETS
+	bool "widgets module"
+	help
+	  This option enables the Qt5Widgets library.
+
+config BR2_PACKAGE_QT5BASE_LINUXFB
+	bool "linuxfb support"
+
+config BR2_PACKAGE_QT5BASE_DIRECTFB
+	bool "directfb support"
+	select BR2_PACKAGE_DIRECTFB
+
+config BR2_PACKAGE_QT5BASE_XCB
+	bool "X.org XCB support"
+	depends on BR2_PACKAGE_XORG7
+	select BR2_PACKAGE_LIBX11
+	select BR2_PACKAGE_LIBXCB
+	select BR2_PACKAGE_XCB_UTIL_IMAGE
+	select BR2_PACKAGE_XCB_UTIL_KEYSYMS
+	select BR2_PACKAGE_XCB_UTIL_WM
+
+comment "X.org XCB backend available if X.org is enabled"
+	depends on !BR2_PACKAGE_XORG7
+
+config BR2_PACKAGE_QT5BASE_PRINTSUPPORT
+	bool "print support module"
+	select BR2_PACKAGE_QT5BASE_WIDGETS
+	help
+	  This option enables the Qt5PrintSupport
+
+endif
+
 endif

package/qt5/qt5base/qt5base.mk

@@ -20,13 +20,8 @@ QT5BASE_INSTALL_STAGING = YES
 #    want to use the one packaged in Buildroot
 QT5BASE_CONFIGURE_OPTS += \
 	-optimized-qmake \
-	-no-linuxfb \
-	-no-xcb \
-	-no-directfb \
 	-no-eglfs \
 	-no-kms \
-	-no-gui \
-	-no-widgets \
 	-no-opengl \
 	-no-glib \
 	-no-cups \
@@ -61,6 +56,26 @@ QT5BASE_LICENSE = Commercial license
 QT5BASE_REDISTRIBUTE = NO
 endif
 
+# We have to use --enable-linuxfb, otherwise Qt thinks that -linuxfb
+# is to add a link against the "inuxfb" library.
+QT5BASE_CONFIGURE_OPTS += $(if $(BR2_PACKAGE_QT5BASE_GUI),-gui,-no-gui)
+QT5BASE_CONFIGURE_OPTS += $(if $(BR2_PACKAGE_QT5BASE_WIDGETS),-widgets,-no-widgets)
+QT5BASE_CONFIGURE_OPTS += $(if $(BR2_PACKAGE_QT5BASE_LINUXFB),--enable-linuxfb,-no-linuxfb)
+QT5BASE_CONFIGURE_OPTS += $(if $(BR2_PACKAGE_QT5BASE_DIRECTFB),-directfb,-no-directfb)
+QT5BASE_DEPENDENCIES   += $(if $(BR2_PACKAGE_QT5BASE_DIRECTFB),directfb)
+
+ifeq ($(BR2_PACKAGE_QT5BASE_XCB),y)
+QT5BASE_CONFIGURE_OPTS += -xcb
+QT5BASE_DEPENDENCIES   += \
+	libxcb \
+	xcb-util-wm \
+	xcb-util-image \
+	xcb-util-keysyms \
+	xlib_libX11
+else
+QT5BASE_CONFIGURE_OPTS += -no-xcb
+endif
+
 # Build the list of libraries to be installed on the target
 QT5BASE_INSTALL_LIBS_y                                 += Qt5Core
 QT5BASE_INSTALL_LIBS_$(BR2_PACKAGE_QT5BASE_NETWORK)    += Qt5Network
@@ -69,6 +84,10 @@ QT5BASE_INSTALL_LIBS_$(BR2_PACKAGE_QT5BASE_SQL)        += Qt5Sql
 QT5BASE_INSTALL_LIBS_$(BR2_PACKAGE_QT5BASE_TEST)       += Qt5Test
 QT5BASE_INSTALL_LIBS_$(BR2_PACKAGE_QT5BASE_XML)        += Qt5Xml
 
+QT5BASE_INSTALL_LIBS_$(BR2_PACKAGE_QT5BASE_GUI)          += Qt5Gui
+QT5BASE_INSTALL_LIBS_$(BR2_PACKAGE_QT5BASE_WIDGETS)      += Qt5Widgets
+QT5BASE_INSTALL_LIBS_$(BR2_PACKAGE_QT5BASE_PRINTSUPPORT) += Qt5PrintSupport
+
 # 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