support an 'embedded' platform target which turns off most parts of the
build.
diff --git a/src/SConscript b/src/SConscript
index 6083fcb..cd4896a 100644
--- a/src/SConscript
+++ b/src/SConscript
@@ -8,5 +8,6 @@
 
 SConscript('gallium/winsys/SConscript')
 
-SConscript('glut/glx/SConscript')
-SConscript('glew/SConscript')
+if platform != 'embedded':
+	SConscript('glut/glx/SConscript')
+	SConscript('glew/SConscript')