mknative-gcc for gcc 9.3.0 and arm64, alpha, hppa, ia64, m68*, mipseb,powerpc, riscv*, sh3*, sparc*, vax.move data from README.gcc8 to README.gcc9.
branches: 1.1.2; 1.1.4;First pass at mknative for aarch64, based on mrg's work.
branches: 1.1.2;First pass at mknative for aarch64, based on mrg's work.