output, to feed input) [174/229] Compiling C++ object waybar.p/src_group.cpp.o [87/229] Compiling C++ object test/hyprland/hyprland_test.p/backend.cpp.o [224/229] Compiling C++ object waybar.p/src_AIconLabel.cpp.o [69/229] Compiling C++ object waybar.p/src_util_css_reload_helper.cpp.o [100/229] Compiling C++ object waybar.p/src_modules_wlr_taskbar.cpp.o [118/229] Compiling C++ object test/hyprland/hyprland_test.p/.._main.cpp.o [221/229] Compiling C++ object waybar.p/src_modules_bluetooth.cpp.o [103/229] Compiling C++ object waybar.p/src_modules_sndio.cpp.o [158/229] Compiling C++ object waybar.p/src_modules_niri_window.cpp.o [132/229] Compiling C++ object test/utils/utils_test.p/css_reload_helper.cpp.o [160/229] 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 'pw_core_get_registry': /nix/store/jd6h07kk8y8pxlha2gisrzfifpscm5kq-pipewire-1.2.7-dev/include/spa-0.2/spa/utils/hook.h:199:1: warning: ISO