<command>sed -i ... configure</command>: This command adds the <application>ALSA</application> library to the <application>Flite</application><envar>LDFLAGS</envar> variable and enables the discovery of <application>Flite</application>.
<command>sed -i ... configure</command>: Esse comando adiciona a biblioteca <application>ALSA</application> à variável <envar>LDFLAGS</envar> do <application>Flite</application> e habilita o descoberta do <application>Flite</application>.