custom command (wrapped by meson to capture output, to feed input) [191/229] Compiling C++ object waybar.p/src_modules_jack.cpp.o [150/229] Compiling C++ object waybar.p/src_modules_custom.cpp.o [83/229] Compiling C++ object waybar.p/src_util_regex_collection.cpp.o [96/229] Compiling C++ object waybar.p/src_ALabel.cpp.o [74/229] Compiling C++ object waybar.p/src_util_rewrite_string.cpp.o [98/229] Compiling C++ object waybar.p/src_modules_keyboard_state.cpp.o [159/229] Compiling C++ object waybar.p/src_AModule.cpp.o [72/229] Compiling C++ object waybar.p/src_factory.cpp.o In file included from ../subprojects/cava-0.10.2/src/output/common.c:3: ../subprojects/cava-0.10.2/src/output/common.c: In function 'spa_format_audio_alac_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 within