Re: 586 vs 686

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Ralf Corsepius wrote:
Kevin Kofler wrote:
Jesse Keating wrote:
No, they're being made to be able to produce those for those reasons.
It is yet to be seen if it will be successful, and using the x86_64
kernel on i586 installs hinges upon this functionality so I recall.

AFAIK, Debian has been shipping i386 GCC with -m64 support for ages.  The
drawback is that it's slower even when not using -m64 because some internal
types (HOST_WIDE_INT and related stuff) are larger.

Not true. -m64/-32 cause gcc to switch between multilibs, when using a multilibbed setup. Unless something is broken somewhere, the internal types, library search paths etc. will be set up correctly.


Debian has multilib?

It sounds like a predominantly .i586 system with a x86_64 kernel needs to install a minimal x86_64 multilib toolchain in order to build x86_64 kernel modules?

Some of those installers for more complicated (evil?) kernel module + userspace things that people want to build might also want *-devel packages to build against. This spins further and further into silly.

They might as well convert their system to be real x86_64 because it is a growing hassle. We also don't want to dump an arbitrary amount of x86-64 userspace into the i586 repo to support arbitrary unsupported things that people may want to do?

Anyway, I'm making a few assumptions.  I've never actually tried this.

Warren

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