Re: where are __amd64 and __i386 defined?
"Star Liu" <minxinjianxin@gmail.com> writes:
> I read this line in a c source file:
> #if defined (__sun) && (defined(__i386) || defined(__amd64))
> I'm wondering where are __sun __amd and 64 __i386 defined?
They're defined by the compiler. There's a "standard" set of such defines
that the compiler sets up automatically (standard in the sense that every
time I need to figure out what they are, I have to go grovelling through
arcane compiler flags or obscure documentation).
--
Russ Allbery (rra@debian.org) <http://www.eyrie.org/~eagle/>
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