C forbids braced-groups within expressions [-Wpedantic] 166 | ({ | ^ /nix/store/jd6h07kk8y8pxlha2gisrzfifpscm5kq-pipewire-1.2.7-dev/include/spa-0.2/spa/param/audio/dsp-utils.h:26:15: note: in expansion of macro 'pw_log_warn' 30 | pw_log_warn("out of buffers: %m"); | ^ /nix/store/jd6h07kk8y8pxlha2gisrzfifpscm5kq-pipewire-1.2.7-dev/include/spa-0.2/spa/support/loop.h:356:49: note: in expansion of macro 'spa_pod_parse_object' 26 | res = spa_pod_parse_object(format, | ^~~~~~~~~~~~~~~~~~~~ /nix/store/jd6h07kk8y8pxlha2gisrzfifpscm5kq-pipewire-1.2.7-dev/include/spa-0.2/spa/param/audio/iec958-utils.h: In function 'spa_format_audio_aac_parse': /nix/store/jd6h07kk8y8pxlha2gisrzfifpscm5kq-pipewire-1.2.7-dev/include/spa-0.2/spa/pod/parser.h:531:1: warning: ISO C forbids