# at-most-one-of ( gtk gtk3 qt5 )
media-plugins/audacious-plugins qt5 -gtk -gtk3
media-sound/audacious qt5 -gtk -gtk3

# at-most-one-of ( gtk sdl )
app-emulation/vice -sdl

# at-most-one-of ( lcd_devices_hd44780 lcd_devices_hd44780-i2c )
app-misc/lcd4linux -lcd_devices_hd44780-i2c
