sassc = find_program('sassc', required: true) theme = custom_target('Theme generation', input: 'main.scss', output: 'style.css', command: [ sassc, [ '-a', '-M', '-t', 'compact' ], '@INPUT@', '@OUTPUT@', ], depend_files: files([ 'components/_cover-art-button.scss', 'components/_gtk-overrides.scss', 'pages/_music-local.scss', 'pages/_playlist-page.scss', '_button.scss', '_disc-view.scss', '_expander.scss', '_player-bar.scss', '_primary-nav.scss', '_track-item.scss', '_vars.scss', ]), build_by_default: true, )