recipes: add x11 to required DISTRO_FEATURES

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>

meta-oe/recipes-devtools/python/python-pyqt_4.11.3.bb

@@ -22,7 +22,9 @@ S = "${WORKDIR}/PyQt-x11-gpl-${PV}"
 
 PARALLEL_MAKE = ""
 
-inherit qmake2 pythonnative python-dir
+inherit qmake2 pythonnative python-dir distro_features_check
+# depends on qt4-x11-free
+REQUIRED_DISTRO_FEATURES = "x11"
 
 DISABLED_FEATURES = "PyQt_Desktop_OpenGL PyQt_Accessibility PyQt_SessionManager"
 

meta-oe/recipes-devtools/tcltk/tk_8.6.0.bb

@@ -35,7 +35,9 @@ S = "${WORKDIR}/${BPN}${PV}/unix"
 VER = "${@os.path.splitext(d.getVar('PV', True))[0]}"
 
 LDFLAGS += "-Wl,-rpath,${libdir}/tcltk/${PV}/lib"
-inherit autotools
+inherit autotools distro_features_check
+# depends on virtual/libx11
+REQUIRED_DISTRO_FEATURES = "x11"
 
 EXTRA_OECONF = "\
     --enable-threads \