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I made my own DOS implementation (Announce)

posted by Oso2k, 31.03.2024, 21:22

> And 32-bit x86 Linux desktop is already completely broken because of those
> idiots who insist that everything must be compiled for at least SSE2
> targets. Literally nothing works and everything just throws invalid opcode
> errors. When the compiler is asked to generate i686, i586 or even i486
> code, there is still SSE2 instructions everywhere, because the CFLAGS are
> overridden in multiple lines of the build scripts. It is a lot of work to
> make them actually work and then the next software update breaks it again.

I think you’re making an assumption here. At least with gcc, binutils, and djlsr (djgpp’s bsd derived libc), you tell exactly build-djgpp builds and injects ISA support. Rich Felker’s cross compiler scripts do something very similar for musl libc and Linux.

https://github.com/andrewwutw/build-djgpp/issues/45
https://github.com/richfelker/musl-cross-make

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