On 7 June 2010 20:05, James Cameron <qu...@laptop.org> wrote:
> You are placing far more trust in a trivial rebuild than I would.  Once
> Fedora ceases testing the actual instruction streams we will be using,
> we will be providing the testing instead.  There are some interesting
> classes of bugs that this would influence.

After years of working with Gentoo linux where practically every user
has their own CFLAGS, I can say that problems like this are uncommon,
at least in my experience.

The only cases where CFLAGS differences cause miscompilations that
I've seen have been related to using the more exotic CFLAGS, or users
being downright stupid.

I don't imagine we'd see any issues from changing from -march=i686 to
-march=i586.

Daniel
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