On 03/18/2016 09:07 AM, Stroller wrote:
> Hello,
> 
> I noticed today that openssh has a USE flag that I was unaware of:
> 
>    $ emerge -UDp world
>    
>    These are the packages that would be merged, in order:
>    
>    Calculating dependencies... done!
>    [ebuild     U  ] sys-boot/grub-2.02_beta2-r9 [2.02_beta2-r3] USE="fonts%* 
> themes%*" GRUB_PLATFORMS="-uboot%" 
>    [ebuild     U  ] net-misc/openssh-7.2_p2 [7.1_p2] USE="-hpn*" 
>    [ebuild     U  ] sys-fs/udev-225 [216]
>    
>     * IMPORTANT: 3 news items need reading for repository 'gentoo'.
>     * Use eselect news read to view new items.
>    
>    $ euses hpn
>    net-misc/openssh:hpn - Enable high performance ssh
>    $ 
> 
> High performance, bro!?! That sounds cool, I'll have some of that!
> 
> There are some indications that this USE flag may significantly speed up scp 
> transfers: http://www.psc.edu/index.php/hpn-ssh
> 
> 

I don't know of a utility, but I have:

$ emerge -pv openssh

These are the packages that would be merged, in order:

Calculating dependencies... done!
[ebuild   R    ] net-misc/openssh-7.1_p2::gentoo  USE="X hpn pam pie ssl
-X509 -bindist -debug -kerberos -ldap -ldns -libedit (-libressl) -sctp
(-selinux) -skey -ssh1 -static" 0 KiB

Total: 1 package (1 reinstall), Size of downloads: 0 KiB


I have it built here using 7.1_p2, maybe there was a regression in the
new version?

Dan


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