capture output, to feed input) [203/229] Generating waybar-mpris.5 with a custom command [36/229] Generating 'waybar.p/river-status-unstable-v1-client-protocol.h' [37/229] Generating 'waybar.p/wlr-foreign-toplevel-management-unstable-v1-client-protocol.h' [38/229] Generating 'waybar.p/ext-workspace-unstable-v1-client-protocol.h' [39/229] Generating 'waybar.p/river-control-unstable-v1-client-protocol.h' [40/229] Generating 'waybar.p/dwl-ipc-unstable-v2-client-protocol.h' [41/229] Generating protocol/dbus-status-notifier-watcher.[ch] with a custom command (wrapped by meson to capture output, to feed input) [197/229] Compiling C++ object waybar.p/src_modules_custom.cpp.o [83/229] Compiling C++ object waybar.p/src_util_pipewire_pipewire_backend.cpp.o [139/229] Compiling C++ object waybar.p/src_modules_memory_linux.cpp.o [110/229] 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/pipewire-0.3/pipewire/pipewire.h:23: ../subprojects/cava-0.10.2/src/input/pipewire.c: In function 'pw_core_errorv': /nix/store/jd6h07kk8y8pxlha2gisrzfifpscm5kq-pipewire-1.2.7-dev/include/spa-0.2/spa/utils/hook.h:199:1: warning: ISO