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authorJohn Ericson <John.Ericson@Obsidian.Systems>2021-01-22 20:33:55 -0500
committerJohn Ericson <John.Ericson@Obsidian.Systems>2021-01-23 10:01:28 -0500
commit9c213398b312e0f0bb9cdf05090fd20223a82ad0 (patch)
treec645a940abedfc4abf51dbb99ce1a8e871e5e799 /nixos/doc/manual/release-notes/rl-2103.xml
parent2bc16b381e09eeb75deefdf6fd5bdc4771b795f3 (diff)
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lib: Clean up how linux and gcc config is specified
Second attempt of 8929989614589ee3acd070a6409b2b9700c92d65; see that
commit for details.

This reverts commit 0bc275e63423456d6deb650e146120c39c1e0723.
Diffstat (limited to 'nixos/doc/manual/release-notes/rl-2103.xml')
-rw-r--r--nixos/doc/manual/release-notes/rl-2103.xml16
1 files changed, 16 insertions, 0 deletions
diff --git a/nixos/doc/manual/release-notes/rl-2103.xml b/nixos/doc/manual/release-notes/rl-2103.xml
index 94e42369b60..c706cd30fce 100644
--- a/nixos/doc/manual/release-notes/rl-2103.xml
+++ b/nixos/doc/manual/release-notes/rl-2103.xml
@@ -603,6 +603,22 @@ 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>