custom command (wrapped by meson to capture output, to feed input) [183/229] Generating waybar-river-mode.5 with a custom command (wrapped by meson to capture output, to feed input) [199/229] Generating waybar-gamemode.5 with a custom command (wrapped by meson to capture output, to feed input) [165/229] Generating waybar-states.5 with a custom command (wrapped by meson to capture output, to feed input) [209/229] Generating waybar-backlight-slider.5 with a custom command (wrapped by meson to capture output, to feed input) [173/229] Generating waybar-systemd-failed-units.5 with a custom command (wrapped by meson to capture output, to feed input) [197/229] Compiling C++ object waybar.p/src_modules_cpu_usage_common.cpp.o In file included from /nix/store/jd6h07kk8y8pxlha2gisrzfifpscm5kq-pipewire-1.2.7-dev/include/spa-0.2/spa/pod/pod.h:12, from /nix/store/jd6h07kk8y8pxlha2gisrzfifpscm5kq-pipewire-1.2.7-dev/include/spa-0.2/spa/pod/iter.h:15, from /nix/store/jd6h07kk8y8pxlha2gisrzfifpscm5kq-pipewire-1.2.7-dev/include/spa-0.2/spa/pod/parser.h:15, from /nix/store/jd6h07kk8y8pxlha2gisrzfifpscm5kq-pipewire-1.2.7-dev/include/spa-0.2/spa/param/audio/format-utils.h:12, from ../subprojects/cava-0.10.2/src/input/pipewire.c:5: /nix/store/jd6h07kk8y8pxlha2gisrzfifpscm5kq-pipewire-1.2.7-dev/include/spa-0.2/spa/pod/iter.h: In function 'spa_format_audio_flac_parse': /nix/store/jd6h07kk8y8pxlha2gisrzfifpscm5kq-pipewire-1.2.7-dev/include/spa-0.2/spa/pod/parser.h:531:1: warning: ISO C forbids braced-groups