On 10/08/18 17:01, allan gottlieb wrote:
If I now upgrade with

     gcc-config x86_64-pc-linux-gnu-7.3.0
     env-update && source /etc/profile
     emerge --ask --oneshot sys-devel/libtool

must I do a world update --emptytree as when converting to the 13.0

It's recommended, but not something you have to do immediately. It's best to do it when you don't need the machine (like overnight), but if you happen to be using it while the world rebuild is going on, use these in your make.conf:

PORTAGE_IONICE_COMMAND="sh -c \"schedtool -D \${PID}; ionice -c 3 -p \${PID}\""

(Make sure sys-process/schedtool is installed.)

This makes sure the emerge process does not slow down your normal use of the machine.

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