diff options
Diffstat (limited to 'nixos/doc/manual/release-notes/rl-2103.xml')
| -rw-r--r-- | nixos/doc/manual/release-notes/rl-2103.xml | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/nixos/doc/manual/release-notes/rl-2103.xml b/nixos/doc/manual/release-notes/rl-2103.xml index 94e42369b605..09455611fbae 100644 --- a/nixos/doc/manual/release-notes/rl-2103.xml +++ b/nixos/doc/manual/release-notes/rl-2103.xml @@ -420,6 +420,26 @@ http://some.json-exporter.host:7979/probe?target=https://example.com/some/json/e </listitem> <listitem> <para> + The attribute <varname>mpi</varname> is now consistently used to + provide a default, system-wide MPI implementation. + The default implementation is openmpi, which has been used before by + all derivations affects by this change. + Note that all packages that have used <varname>mpi ? null</varname> in the input + for optional MPI builds, have been changed to the boolean input paramater + <varname>useMpi</varname> to enable building with MPI. + + Building all packages with <varname>mpich</varname> instead + of the default <varname>openmpi</varname> can now be achived like this: + <programlisting> +self: super: +{ + mpi = super.mpich; +} + </programlisting> + </para> + </listitem> + <listitem> + <para> The Searx module has been updated with the ability to configure the service declaratively and uWSGI integration. The option <literal>services.searx.configFile</literal> has been renamed @@ -603,6 +623,22 @@ http://some.json-exporter.host:7979/probe?target=https://example.com/some/json/e <literal>/etc/netgroup</literal> defines network-wide groups and may affect to setups using NIS. </para> </listitem> + <listitem> + <para> + Platforms, like <varname>stdenv.hostPlatform</varname>, no longer have a <varname>platform</varname> attribute. + It has been (mostly) flattoned away: + </para> + <itemizedlist> + <listitem><para><varname>platform.gcc</varname> is now <varname>gcc</varname></para></listitem> + <listitem><para><literal>platform.kernel*</literal> is now <literal>linux-kernel.*</literal></para></listitem> + </itemizedlist> + <para> + Additionally, <varname>platform.kernelArch</varname> moved to the top level as <varname>linuxArch</varname> to match the other <literal>*Arch</literal> variables. + </para> + <para> + The <varname>platform</varname> grouping of these things never meant anything, and was just a historial/implementation artifact that was overdue removal. + </para> + </listitem> </itemizedlist> </section> </section> |