with a custom command (wrapped by meson to capture output, to feed input) [164/229] Generating waybar-image.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'