On 02/22/2010 12:29 AM, Erik Trulsson wrote: > On Sun, Feb 21, 2010 at 11:35:11PM +0000, Dave Korn wrote: >> On 21/02/2010 22:42, Erik Trulsson wrote: >> >>> Yes, it does if the user is using binaries compiled by somebody else, >>> and that somebody else did not explicitly specify any CPU-flags. >>> >>> I believe that is the situation when installing most >>> Linux-distributions for example. >> >> No, surely not. The linux distributions use configure options >> when they package their compilers to choose the default with-cpu >> and with-arch options, and those are quite deliberately chosen >> according to the binary standards of the distro. It is hardly a >> case of "somebody else did not explicitly specify" cpu flags; they >> in fact explicitly specified them according to the system >> requirements for the distro. If your distro says it doesn't >> support i386, this is *why*! > > Are you sure of that? Really sure? > Some Linux distributions almost certainly do as you describe, but all > of them? I doubt it.
And I doubt otherwise. Linux distros put a great deal of thought into which machines they are targeting with their binary distributions. And the existence of one tiny distro somewhere that doesn't would not change that fact. Andrew.
