From: Xiaofeng Yan <[email protected]>

This file remind user to add "gtk-directfb" to DISTRO_FEATURES and remove "x11" 
\
when building core-image-gtk-directfb.

[YOCTO #1674]

Signed-off-by: Xiaofeng Yan <[email protected]>
---
 meta/classes/gtk-directfb.bbclass |   12 ++++++++++++
 1 files changed, 12 insertions(+), 0 deletions(-)
 create mode 100644 meta/classes/gtk-directfb.bbclass

diff --git a/meta/classes/gtk-directfb.bbclass 
b/meta/classes/gtk-directfb.bbclass
new file mode 100644
index 0000000..b65b787
--- /dev/null
+++ b/meta/classes/gtk-directfb.bbclass
@@ -0,0 +1,12 @@
+# gtk can only run a backend at a time (directfb or x11) for gtk-2.x. 
+# So if you want to get an image of gtk running directfb. 
+# Please remove x11 from DISTRO_FEATURES
+python () {
+       import sys
+       import logging
+       logger = logging.getLogger('BitBake.Event')
+       packages = d.getVar('DISTRO_FEATURES', 1).split()
+       for pkg in packages:
+               if pkg == "x11":
+                       bb.fatal("FEATURE \"x11\" is in DISTRO_FEATURES, Please 
remove x11 from DISTRO_FEATURES, use \"gtk-directfb\" instead of it\n")
+}
-- 
1.7.0.4


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