nixos/release-notes: add comment about generic mpi attribute
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@ -418,6 +418,26 @@ http://some.json-exporter.host:7979/probe?target=https://example.com/some/json/e
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SDK licenses if your project requires it. See the androidenv documentation for more details.
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SDK licenses if your project requires it. See the androidenv documentation for more details.
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</para>
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</para>
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</listitem>
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</listitem>
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<listitem>
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<para>
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The attribute <varname>mpi</varname> is now consistently used to
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provide a default, system-wide MPI implementation.
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The default implementation is openmpi, which has been used before by
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all derivations affects by this change.
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Note that all packages that have used <varname>mpi ? null</varname> in the input
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for optional MPI builds, have been changed to the boolean input paramater
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<varname>useMpi</varname> to enable building with MPI.
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Building all packages with <varname>mpich</varname> instead
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of the default <varname>openmpi</varname> can now be achived like this:
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<programlisting>
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self: super:
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{
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mpi = super.mpich;
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}
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</programlisting>
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</para>
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</listitem>
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<listitem>
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<listitem>
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<para>
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<para>
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The Searx module has been updated with the ability to configure the
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The Searx module has been updated with the ability to configure the
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