find pkgs -name "*.nix" -exec sed -r \ "s|https?://downloads.sourceforge.net/|mirror://sourceforge/|g" -i {} \;
Use the correct linker script filename on i686 to fix this build error: /.../ld: cannot open linker script file /nix/store/...-gnu-efi_3.0u/lib/elf_x86_64_efi.lds: No such file or directory Only compile tested.
rEFInd is a graphical, EFI-based boot manager