mknative-gcc for GCC 12.3.0 on arm64*, arm* besides armv4, ppc, alpha,
sh, sparc*, mips*, riscv*, vax, hppa, ia64, and m68*.

earmv4 didn't start properly, and powerpc64 failed to build, but all
the

mknative-gcc for GCC 12.3.0 on arm64*, arm* besides armv4, ppc, alpha,
sh, sparc*, mips*, riscv*, vax, hppa, ia64, and m68*.

earmv4 didn't start properly, and powerpc64 failed to build, but all
the rest seem to be OK now.

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mknative-gcc for GCC 10 and almost all platforms. one of the
myriad of arm platforms, and the powerpc* platforms are not
yet done.

mknative-gcc for gcc 9.3.0 and arm, earmv[467]*, i386, mipseb, mips64*,
and powerpc64.

mknative-gcc for GCC 7 and earm targets.

mknative bootstrap-libgcc GCC 5.3 for most arm platforms. having
minor issue with the next step.

regen minor bits for amd64.

merge GCC 4.8 build.

gcc configury for earmv4, earmv6, earmv6hf, earmv7, earmv7hf