Re: [gentoo-amd64] Compiler Flag -m64 Gives Warning

[Markos Chandras]

On Friday 24 April 2009 14:06:15 Frank Peters wrote:
> Hello everyone,
>
> I just switched to Gentoo from another distribution and my
> only regret is that I did not make the switch much earlier.
> Gentoo is a fantastic way of managing Linux and I am grateful
> to all those who have made it possible.
>
> However, as I continue to build my current Linux x64 (amd64)
> system with emerge, there is one minor annoyance that I can't
> eliminate.  During each emerge there is a warning message:
>
> * Your CFLAGS contains "-m64" which can break packages.
> * Your CXXFLAGS contains "-m64" which can break packages.
>
> My system is no-multilib; it is a pure 64-bit system.  The
> "-m64" compiler flag will not, and does not, adversely affect
> the system in any way.
>
> As I mentioned, this warning is merely an annoyance, but it
> does slow down the emerge process for several seconds as
> the program pauses to give sufficient time for the warning
> message to be read.  If a large number of packages is being
> emerged, this can add up to a lot of time.
>
> Is there some way I can eliminate this warning without removing
> the "-m64" option?
>
> Frank Peters
Hello and welcome :)

Why are you using -m64 directly on your CFLAGS ( on /etc/make.conf )

Did you take a look on the following documentation?

http://www.gentoo.org/doc/en/gentoo-amd64-faq.xml#cflags
http://en.gentoo-wiki.com/wiki/Safe_Cflags

-- 
Markos Chandras (hwoarang)
Gentoo Linux Developer
Qt/KDE/Sunrise/Sound
Web: http://hwoarang.silverarrow.gr