On Thu, 30 Jun 2005, Braun Brelin wrote:
Braun - you didn't attribute the text you quoted, bad bad Braun.
>>  The nomenclature is hopelessly confused: AMD say that
>> "x86_64" (their original term for the extended architecture) is
>> now deprecated and that everyone should say "AMD64", but that of
>> course would make an awkward way to encompass Intel's compatible
>> EM64T implementation that competes with AMD's. A minority in the
>> Linux community, such as the Debian Project, call the architecture
>> "amd64"; I follow the most-common usage and say "x86_64", since
>> the term is vendor-neutral.
EMT64T and AMD64 are different architectures, very similar but with
differences - hence their usage is valid. They both support the
x86-64 ABI. (And it's x86-64 btw, the s/-/_/ is due to some package
management systems not liking - in the arch name i think).
>> Itanium/Itanium2 (dubbed "Itanic" by TheReg) architecture -- whose
>> existence hints at one of the problems with "lib64" directories: the
>> a namespace collision with Itanium.
lib64 is a long-standing convention on multi-ABI systems. See IRIX on
MIPS (o32/n32/n64) and Solaris on UltraSPARC and (more recently)
The correct way to do this btw is to not consider x86-64 a different
user-space architecture, with a different OS, but to just treat
x86-64 as another ix86 ABI..
Linux distros appear still to be quite immature wrt multi-ABI
compared to IRIX 6.5 and Solaris (iirc) 7+.
Paul Jakma paul at clubi.iepaul at jakma.org Key ID: 64A2FF6A
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