C forbids braced-groups within expressions [-Wpedantic] 5 | ({ | ^ /nix/store/jd6h07kk8y8pxlha2gisrzfifpscm5kq-pipewire-1.2.7-dev/include/spa-0.2/spa/pod/parser.h:556:9: note: in expansion of macro 'spa_interface_call_res' 381 | spa_interface_call_res((struct spa_interface*)o, | ^~~~~~~~~~~~~~~~~~~~~~ /nix/store/jd6h07kk8y8pxlha2gisrzfifpscm5kq-pipewire-1.2.7-dev/include/spa-0.2/spa/support/thread.h:77:9: note: in expansion of macro 'spa_pod_parser_get_object' 556 | spa_pod_parser_get_object(&_p,type,id,##__VA_ARGS__); | ^~~~~~~~~~~~~~~~~~~~~~~~~ /nix/store/jd6h07kk8y8pxlha2gisrzfifpscm5kq-pipewire-1.2.7-dev/include/spa-0.2/spa/param/audio/amr-utils.h:26:15: note: in expansion of macro 'pw_core_error' 361 | return (topic->flags & log_level & WP_LOG_TOPIC_LEVEL_MASK) != 0; | ~~~~~~~~~~~~~^~~~~~~~~~~ [77/229] Compiling C++ object waybar.p/src_modules_cpu_usage_linux.cpp.o