OPTS="$OPTS --build=${BUILD}";
[[ $CROSS_INSTALL == on ]] && OPTS="$OPTS --host=${HOST}";
./configure \
  --prefix=${INSTALL_ROOT}/usr \
  --sysconfdir=${INSTALL_ROOT}/etc \
  --localstatedir=${INSTALL_ROOT}/var \
  --mandir=${INSTALL_ROOT}/usr/share/man \
  --infodir=${INSTALL_ROOT}/usr/share/info $OPTS &&
make
