config BR2_PACKAGE_HOST_ELF2FLT bool "Enable elf2flt support?" depends on BR2_arm || BR2_sh || BR2_sparc || BR2_xtensa || BR2_RISCV_64 depends on !BR2_USE_MMU help uCLinux uses a Binary Flat format commonly known as BFLT. It is a relatively simple and lightweight executable format based on the original a.out format. This option compiles the required tools and makes the required modifications on your toolchain (linker). https://github.com/uclinux-dev/elf2flt