diff -up libffado-2.4.4/SConstruct.scons-quirk libffado-2.4.4/SConstruct
--- libffado-2.4.4/SConstruct.scons-quirk	2020-08-09 09:29:35.000000000 +0200
+++ libffado-2.4.4/SConstruct	2021-01-05 18:28:40.865754202 +0100
@@ -150,7 +150,8 @@ if not os.path.isdir( "cache" ):
 if not os.path.isdir( 'cache/objects' ):
     os.makedirs( 'cache/objects' )
 
-CacheDir( 'cache/objects' )
+# Doesn't work with scons < 3.0.2
+# CacheDir( 'cache/objects' )
 
 opts.Save( 'cache/options.cache', env )