List Archive: gentoo-sparc
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> My CHOST is "sparc-unknown-linux-gnu", but apparently I'm not meant to
> change this to sparc64-unknown-linux-gnu?
This is correct. While there is a sparc64-unknown-linux-gnu setup
floating around, it is strictly for compiling the kernel. Also, there
are some ebuilds (like glibc) that may depend on
sparc-unknown-linux-gnu existing or they will fail.
As for why userland is 32 bits, take a look at the whole thread on
this topic from the sparclinux mailing list archives. While it is
a bit dated, I believe the information is still relevant.
 - http://marc.info/?l=linux-sparc&m=99706001104013&w=2
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