Ludovic Courtès <ludo@gnu.org> writes:

> Hello Guix!
>
> The ‘core-updates’ branch is in a good shape now, and I think we should
> go ahead and merge in the coming days!
>
> Please try to upgrade your system and your user profile to see if
> anything’s wrong for you (I did that a few days ago and I’m happy!).

supercollider (required by emacs-org-contrib via emacs-scel) failed to build:

/tmp/guix-build-supercollider-3.10.2.drv-0/SuperCollider-Source/server/supernova/sc/sc_osc_handler.cpp: In member function ‘void nova::detail::sc_osc_handler::start_tcp_accept()’:
/tmp/guix-build-supercollider-3.10.2.drv-0/SuperCollider-Source/server/supernova/sc/sc_osc_handler.cpp:891:83: error: ‘boost::asio::ip::tcp::acceptor {aka class boost::asio::basic_socket_acceptor<boost::asio::ip::tcp>}’ has no member named ‘get_io_service’
     tcp_connection::pointer new_connection = tcp_connection::create(tcp_acceptor_.get_io_service());
                                                                                   ^~~~~~~~~~~~~~
make[2]: *** [server/supernova/CMakeFiles/libsupernova.dir/build.make:79: server/supernova/CMakeFiles/libsupernova.dir/sc/sc_osc_handler.cpp.o] Error 1
make[2]: Leaving directory '/tmp/guix-build-supercollider-3.10.2.drv-0/build'
make[1]: *** [CMakeFiles/Makefile2:2698: server/supernova/CMakeFiles/libsupernova.dir/all] Error 2

> You can test, for example, with:
>
>   guix pull --branch=core-updates -p /tmp/new
>   /tmp/new/bin/guix upgrade
>
> You can also check substitute availability:
>
>   /tmp/new/bin/guix weather -c 10
>
> Feedback welcome!
>
> Ludo’.
>

-- 
Mikhail