Re: cc1plus: sorry, unimplemented: '-fexcess-precision=standard' for C++

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Wed, Apr 22, 2020 at 06:05:57PM +0200, Florian Weimer wrote:
> * Jerry James:
> 
> > On Wed, Apr 22, 2020 at 6:01 AM Richard W.M. Jones <rjones@xxxxxxxxxx> wrote:
> >> It turns out it comes from dune (the build tool), although I'm still
> >> unclear how and why.  In any case I added a rather hacky workaround so
> >> I can get the build going again:
> >
> > No, it isn't dune; it's ocaml itself.  From "Changes" under "Bug fixes":
> >
> > - #7917, #9426: Use GCC option -fexcess-precision=standard when available,
> >   avoiding a problem with x87 excess precision in Float.round.
> >   (Xavier Leroy, review by Sébastien Hinderer)
> 
> This option should not have an effect on Fedora because we use SSE2 math
> on i686 (and x86-64, of course), which does not suffer from this issue.
> I think we can remove it.

I commented on the upstream bug report so let's see what they say.

Rich.

-- 
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
Read my programming and virtualization blog: http://rwmj.wordpress.com
libguestfs lets you edit virtual machines.  Supports shell scripting,
bindings from many languages.  http://libguestfs.org
_______________________________________________
devel mailing list -- devel@xxxxxxxxxxxxxxxxxxxxxxx
To unsubscribe send an email to devel-leave@xxxxxxxxxxxxxxxxxxxxxxx
Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/
List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines
List Archives: https://lists.fedoraproject.org/archives/list/devel@xxxxxxxxxxxxxxxxxxxxxxx




[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Index of Archives]     [Fedora Announce]     [Fedora Users]     [Fedora Kernel]     [Fedora Testing]     [Fedora Formulas]     [Fedora PHP Devel]     [Kernel Development]     [Fedora Legacy]     [Fedora Maintainers]     [Fedora Desktop]     [PAM]     [Red Hat Development]     [Gimp]     [Yosemite News]

  Powered by Linux