More info: Need help, x86_64 build fails on buildsys while make mockbuild on my x86_64 works fine.

[Dan Williams]

On Tue, 2005-11-15 at 19:02 +0200, Ville Skyttä wrote:
> $CFLAGS at that point probably contains $RPM_OPT_FLAGS which has -O2;
> according to "man gcc", -O* can be specified multiple times and the last
> one is the effective one, so the original/unpatched configure was ok in
> this respect, ie. resulted in -O2 being actually used.

I had a feeling that was how it worked, but wasn't sure.  So -ffast-math
seems to be the culprit then, if this whole theory is really true.

Dan