mknative-gcc for GCC 10 and almost all platforms. one of themyriad of arm platforms, and the powerpc* platforms are notyet done.
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;mknative-gcc for m68k and GCC 7, also the files missed for sparc64 previously.