[OpenWrt Wiki] OpenWrt on UEFI based x86 systems
openwrt.org › docs › guide-developerBuilding UEFI bootable OpenWrt image. To build an EFI-compatible OpenWrt image: Run make menuconfig. Go to Target Images and make sure that the option Build GRUB EFI images (Linux x86 or x86_64 host only) is checked. Select additional packages as necessary and finally save changes and exit menuconfig. Run make as usual to build the image.