On Sat, 16 Sep 2000, Steve Kargl wrote:
> I need to review the gmp documents again, but I not sure
> the preference order is much of an issue. By default,
> CPU_TYPE="generic" would build the C code, which should work
> on all architectures supported by FreeBSD. If a user explicitly
> sets CPU_TYPE in /etc/make.conf, then the ordering would be
> CPU_TYPE then generic. There is not gray area. For example,
> I have an athlon processor, so libgmp.a would have a preferred
> order of athlon, generic.
It's not just for libgmp, but for other parts of the system too (like
openssl).
For example, what happens if you have a pentium pro, but there are no
ppro optimisations in a particular program - but there are pentium
optimisations. Obviously you would want those as a fallback.
Kris
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