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by peoplefromibiza 1335 days ago
> I can't cite sources, but AFAIK Linux uses GNU compiler extensions. The reason is not to lock other compilers out, it's just that some of those extensions are genuinely useful.

Of course.

They are genuinely useful to Linux.

Other did not use those extensions because they did not want to use GCC, for reasons beyond the technical merits, but because GCC is free software

If they could copy them, they would have done it.