Index: /branches/libffado-2.0/SConstruct
===================================================================
--- /branches/libffado-2.0/SConstruct (revision 1676)
+++ /branches/libffado-2.0/SConstruct (revision 1677)
@@ -219,4 +219,6 @@
 		if env['%s_FLAGS'%name2] == 0:
 			allpresent &= 0
+		else:
+			env.MergeFlags( env['%s_FLAGS'%name2] )
 
 	if not allpresent: