package/wlroots: add XWayland support

The new option enables the XWayland support, so X11 application can be
running on a wlroots based compositor. Also, do not enable the XWayland
support if the X11 backend is active, as it is unrelated to it.

Signed-off-by: Raphael Pavlidis <raphael.pavlidis@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/wlroots/Config.in

@@ -41,4 +41,23 @@ config BR2_PACKAGE_WLROOTS_X11
 	help
 	  Support Wayland sessions nested inside a X11 window
 
+config BR2_PACKAGE_WLROOTS_XWAYLAND
+	bool "XWayland support"
+	depends on BR2_PACKAGE_XORG7 # libxcb, xcb-util-wm, xwayland
+	depends on BR2_USE_MMU # xwayland
+	depends on !BR2_STATIC_LIBS # xwayland
+	depends on BR2_TOOLCHAIN_HAS_THREADS # xwayland
+	select BR2_PACKAGE_LIBXCB
+	select BR2_PACKAGE_XCB_UTIL_WM
+	select BR2_PACKAGE_XWAYLAND
+	help
+	  Support for running X11 applications under wayland
+
+comment "XWayland support needs X.org enabled"
+	depends on !BR2_PACKAGE_XORG7
+
+comment "XWayland support needs a toolchain w/ threads, dynamic library"
+	depends on BR2_USE_MMU
+	depends on !BR2_TOOLCHAIN_HAS_THREADS || BR2_STATIC_LIBS
+
 endif

package/wlroots/wlroots.mk

@@ -30,8 +30,12 @@ WLROOTS_BACKENDS = libinput drm
 
 ifeq ($(BR2_PACKAGE_WLROOTS_X11),y)
 WLROOTS_BACKENDS += x11
-WLROOTS_CONF_OPTS += -Dxwayland=enabled
 WLROOTS_DEPENDENCIES += libxcb xcb-util-wm xcb-util-renderutil xlib_libX11
+endif
+
+ifeq ($(BR2_PACKAGE_WLROOTS_XWAYLAND),y)
+WLROOTS_CONF_OPTS += -Dxwayland=enabled
+WLROOTS_DEPENDENCIES += libxcb xcb-util-wm xwayland
 else
 WLROOTS_CONF_OPTS += -Dxwayland=disabled
 endif