to ensure that it computes, and that it will be a custom command (wrapped by meson to capture output, to feed input) [219/229] Linking target test/utils/utils_test [226/229] Compiling C++ object waybar.p/src_util_backlight_backend.cpp.o [156/229] Compiling C++ object test/utils/utils_test.p/css_reload_helper.cpp.o [160/229] Compiling C++ object waybar.p/src_modules_river_mode.cpp.o [113/229] Compiling C++ object waybar.p/src_modules_idle_inhibitor.cpp.o