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Hello, |
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I noticed today that openssh has a USE flag that I was unaware of: |
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$ emerge -UDp world |
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These are the packages that would be merged, in order: |
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Calculating dependencies... done! |
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[ebuild U ] sys-boot/grub-2.02_beta2-r9 [2.02_beta2-r3] USE="fonts%* themes%*" GRUB_PLATFORMS="-uboot%" |
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[ebuild U ] net-misc/openssh-7.2_p2 [7.1_p2] USE="-hpn*" |
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[ebuild U ] sys-fs/udev-225 [216] |
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* IMPORTANT: 3 news items need reading for repository 'gentoo'. |
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* Use eselect news read to view new items. |
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$ euses hpn |
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net-misc/openssh:hpn - Enable high performance ssh |
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$ |
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High performance, bro!?! That sounds cool, I'll have some of that! |
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There are some indications that this USE flag may significantly speed up scp transfers: http://www.psc.edu/index.php/hpn-ssh |
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However, when I come to install this package, portage tells me it's not supported for this version: |
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* Messages for package net-misc/openssh-7.2_p2: |
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* Sorry, but this version does not yet support features |
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* that you requested: hpn |
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* Please mask openssh-7.2_p2 for now and check back later: |
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* # echo '=net-misc/openssh-7.2_p2' >> /etc/portage/package.mask |
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* ERROR: net-misc/openssh-7.2_p2::gentoo failed (setup phase): |
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* booooo |
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* |
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* Call stack: |
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* ebuild.sh, line 133: Called pkg_setup |
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* openssh-7.2_p2.ebuild, line 90: Called die |
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* The specific snippet of code: |
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* die "booooo" |
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* |
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* If you need support, post the output of `emerge --info '=net-misc/openssh-7.2_p2::gentoo'`, |
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* the complete build log and the output of `emerge -pqv '=net-misc/openssh-7.2_p2::gentoo'`. |
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* The complete build log is located at '/var/tmp/portage/net-misc/openssh-7.2_p2/temp/build.log'. |
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* The ebuild environment file is located at '/var/tmp/portage/net-misc/openssh-7.2_p2/temp/die.env'. |
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* Working directory: '/usr/lib64/python2.7/site-packages' |
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* S: '/var/tmp/portage/net-misc/openssh-7.2_p2/work/openssh-7.2p2' |
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* GNU info directory index is up-to-date. |
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* IMPORTANT: 3 news items need reading for repository 'gentoo'. |
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* Use eselect news read to view new items. |
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Is there a utility command that shows me which versions of net-misc/openssh support USE=hpn, please? |
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Grepping /usr/portage/net-misc/openssh/*ebuild is messy, and doesn't immediately show me what I need. |
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Many thanks in advance for any suggestions, |
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Stroller. |
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