Failed to emerge dev-util/boost-build-1.56.0, Log file

[amel-khalifa]

hi, I have a problem with KDE installation. I started with the package
kde-apps/kdebase-meta :
emerge --ask kde-apps/kdebase-meta
but it's not working and this is the error:
Failed to emerge dev-util/boost-build-1.56.0, Log file:
>>> '/var/tmp/portage/dev-util/boost-build-1.56.0/temp/build.log'
* Messages for package dev-util/boost-build-1.56.0:
* Fetch failed for 'dev-util/boost-build-1.56.0', Log file:
* '/var/tmp/portage/dev-util/boost-build-1.56.0/temp/build.log'
Can anyone help me please and thank you.

[Chiitoo]

Moved from Gentoo Forums Feedback to Duplicate Threads in favour of Failed to emerge dev-util/boost-build-1.56.0, Log file.
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Kindest of regardses.