a custom command (wrapped by meson to capture output, to feed input) [188/229] Compiling C++ object waybar.p/src_modules_bluetooth.cpp.o [103/229] Compiling C++ object waybar.p/src_modules_sway_mode.cpp.o [116/229] Compiling C++ object waybar.p/src_group.cpp.o [87/229] Compiling