Index: uspace/meson.build
===================================================================
--- uspace/meson.build	(revision 3d10a2fd37dcc38fbf91bdcdfeaa4f2c6938fd76)
+++ uspace/meson.build	(revision cd981f2ab573f6154bc4872d06b8deb9c9bb9530)
@@ -201,5 +201,5 @@
 		cpp_args: arch_uspace_c_args + tst.get('c_args'),
 		link_args: arch_uspace_c_args + arch_uspace_link_args + _ldargs,
-		implicit_include_directories: false,
+		implicit_include_directories: true,
 		build_by_default: true,
 	)