Это уже позорно, в скрипте нет ничего кроме тупого копирования.
Даже комментарии есть. # Make required dirs
mkdir -p ${pkgdir}/usr/{lib,include}
# Install versioned so file as well as static library
install -Dm755 ${srcdir}/release/build/${pkgname}.so.${pkgver} ${pkgdir}/usr/lib/${pkgname}.so.${pkgver}
install -m644 ${srcdir}/release/build/${pkgname}.a ${pkgdir}/usr/lib/${pkgname}.a
# Link versioned so file to generic
ln -sf /usr/lib/${pkgname}.so.${pkgver} "${pkgdir}"/usr/lib/${pkgname}.so
# Install Headers
install -m644 "${srcdir}"/release/{ftd2xx,WinTypes}.h "${pkgdir}"/usr/include/
# Install udev rules
install -D -m644 "${srcdir}"/55-ft2232.rules "${pkgdir}"/etc/udev/rules.d/55-ft2232.rules