Add a wl_fullscreen_shell implementation

Signed-off-by: Jason Ekstrand <jason@jlekstrand.net>
diff --git a/configure.ac b/configure.ac
index 4db0ed1..9e68678 100644
--- a/configure.ac
+++ b/configure.ac
@@ -373,6 +373,13 @@
 
 AM_CONDITIONAL(ENABLE_DESKTOP_SHELL, true)
 
+AC_ARG_ENABLE(fullscreen-shell,
+              AS_HELP_STRING([--disable-fullscreen-shell],
+                             [do not build fullscreen-shell server plugin]),,
+	      enable_fullscreen_shell=yes)
+AM_CONDITIONAL(ENABLE_FULLSCREEN_SHELL,
+	       test "x$enable_fullscreen_shell" = "xyes")
+
 # CMS modules
 AC_ARG_ENABLE(colord,
               AS_HELP_STRING([--disable-colord],
@@ -504,6 +511,7 @@
 	dbus				${enable_dbus}
 
 	Build wcap utility		${enable_wcap_tools}
+	Build Fullscreen Shell		${enable_fullscreen_shell}
 
 	weston-launch utility		${enable_weston_launch}
 	systemd-login support		${have_systemd_login}