I believe, that even plain i486 have to be supported,
also changelog claims that default should still be i486.
yes, I think I did change that to avoid libgomp failures, which requires
i586, and not just i486. Not sure what to do about that for squeeze.
Just document it in release notes/errata ?
$ apt-cache rdepends libgomp1 | wc -l
77
So all these packages would need setting of the -march flag explicitly.
There are other packages which do require i586, like OpenJDK.
According to
http://en.wikipedia.org/wiki/X86_instruction_listings#Added_with_Pentium
the added instruction for pentium seems not be
usually generated by gcc directly, may be CMPXCHG8B.
Petr
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