custom command (wrapped by meson to capture output, to feed input) [213/229] Generating waybar-mpd.5 with a custom command [42/229] Compiling C object subprojects/cava-0.10.2/libcava.so.p/src_input_common.c.o [9/229] Compiling C object subprojects/cava-0.10.2/libcava.so.p/src_cavacore.c.o [19/229] Generating 'protocol/libclient_protos.a.p/river-control-unstable-v1-protocol.c' [20/229] Generating