2018-07-24 22:00 GMT+03:00 gevisz <gev...@gmail.com>: > 2018-06-20 14:16 GMT+03:00 Mick <michaelkintz...@gmail.com>: >> On Wednesday, 20 June 2018 11:43:32 BST gevisz wrote: >>> After updating portage tree today, portage >>> suggested to upgrade gcc from 6.4 to 7.3 >>> version what I have done just now. >>> >>> Nevertheless, >>> # gcc-config --list-profiles >>> [1] x86_64-pc-linux-gnu-6.4.0 * >>> [2] x86_64-pc-linux-gnu-7.3.0 >>> shows that I still have version 6.4 as a default. >> >> I'm on gcc-7.3.0-r3 and have not noticed any problems on 3 boxen so far. >> >> >>> As https://wiki.gentoo.org/wiki/Upgrading_GCC >>> still do not have any specific instructions on >>> switching to gcc version 7.3, I am still afread >>> of switching to gcc version 7.3 and would like >>> to ask if anybody encountered some problem >>> after switching to gcc version 7.3 and which >>> packages should be rebuild after such switching. >>> >>> Thank you in advance for your help. >> >> I didn't have to rebuild anything, but if you have reasons to fear breakage >> you can rebuild your toolchain: >> >> 1. Use gcc-config to select x86_64-pc-linux-gnu-7.3.0 >> 2. Re-source /etc/profile by running in your current console/terminal: >> . /etc/profile >> 3. Re-emerge libtool: >> emerge -1 sys-devel/libtool >> 4. Re-emerge the following packages in this order: >> emerge -1 sys-devel/gcc-7.3.0-r3 >> emerge -1 sys-devel/binutils >> emerge -1 sys-libs/glibc >> 5. You could if you want re-emerge your entire system, 'emerge -e @world' or >> if you would rather conserve electricity wait as different packages come up >> for an update over time. >> >> If my experience to date holds true and for a general purpose desktop none of >> the above rebuilds are necessary, other than switching your gcc to 7.3.0. > > You forgot the 6th item: > > 6. Recompile the kernel. > > Just today, virtualbox-modules refused to compile because of this. > Thanks to Michael Orlitzky for the tip how to interpret portage messages.
By the way, this recommendation is absent from Gentoo wiki on updating gcc.
