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doc: chap cross: Make example command stick out more

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It should be in a <programlisting>, not <command>, tag.
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John Ericson 2018-01-25 18:32:18 -05:00
parent 931a0b8be8
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doc/cross-compilation.xml
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@ -253,7 +253,8 @@
or also with <varname>crossSystem</varname>, in which case packages run on the latter, but all building happens on the former.
Both parameters take the same schema as the 3 (build, host, and target) platforms defined in the previous section.
As mentioned above, <literal>lib.systems.examples</literal> has some platforms which are used as arguments for these parameters in practice.
You can use them programmatically, or on the command line like <command>nix-build &lt;nixpkgs&gt; --arg crossSystem '(import &lt;nixpkgs/lib&gt;).systems.examples.fooBarBaz'</command>.
You can use them programmatically, or on the command line: <programlisting>
nix-build &lt;nixpkgs&gt; --arg crossSystem '(import &lt;nixpkgs/lib&gt;).systems.examples.fooBarBaz' -A whatever</programlisting>
</para>
<para>
While one is free to pass both parameters in full, there's a lot of logic to fill in missing fields.