use system-seabios && myconf+=" --with-system-seabios=/usr/share/seabios/bios.bin"
use system-qemu && myconf+=" --with-system-qemu=/usr/bin/qemu-system-x86_64"
use amd64 && myconf+=" $(use_enable qemu-traditional)"
tc-ld-disable-gold
econf ${myconf}
}