x11vnc: enabled to build on stage 1, and marked to do so when cross compiling

x11/x11vnc/x11vnc.conf

@@ -13,4 +13,10 @@
 # --- SDE-COPYRIGHT-NOTE-END ---
 
 pkgprefix -t libvncserver
-var_append extraconfopt ' ' "--with-system-libvncserver"
+var_append extraconfopt ' ' "--with-system-libvncserver=$(pkgprefix -r libvncserver)"
+
+if atstage cross; then
+	pkgprefix -t libx11
+	var_append extraconfopt ' ' "--x-includes=$(pkgprefix -r includedir libx11)"
+	var_append extraconfopt ' ' "--x-libraries=$(pkgprefix -r libdir libx11)"
+fi

x11/x11vnc/x11vnc.desc

@@ -30,6 +30,6 @@
 [L] GPL
 [S] Stable
 [V] 0.9.10
-[P] X -----5---9 171.900
+[P] X -?---5---9 171.900
 
 [D] 3436455387 x11vnc-0.9.10.tar.gz http://dl.sourceforge.net/project/libvncserver/x11vnc/0.9.10/