Difference between *-none-elf and *-linux-gnu configurations

[Johannes Krottmayer via Gcc-help <gcc-help@xxxxxxxxxxx>]

Hi!

Sorry if already asked, but what are the differences from as example
x86_64-none-elf and x86_64-linux-gnu configurations?

I have tried to compile Linux with a x86_64-none-elf build, but failed with
assembler errors. (It's might be also a binutils question.) With the
x86_64-linux-gnu build, everything worked fine.

Can somebody explain me the key differences between this both builds?
Unfortunately I currently didn't find any information.

Thanks in advance!

Kind regards,

Johannes

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