%bcond_without system_sqlite # system sqlite3
%bcond_without system_lz4 # system lz4
%bcond_without system_fastlz # system fastlz
-%bcond_without system_libafdt # system libafdt
+%bcond_with system_libafdt # system libafdt
%bcond_without system_libzip # system libzip
# cotire breaks sqlite3 on builders: https://github.com/facebook/hhvm/issues/4524
%bcond_with cotire # cotire (compile time reducer): Speed up the build by precompiling headers