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author | John Ericson <John.Ericson@Obsidian.Systems> | 2017-12-29 21:14:16 -0500 |
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committer | John Ericson <John.Ericson@Obsidian.Systems> | 2017-12-30 22:42:15 -0500 |
commit | a98e68676dc96e9021d9bb0a9f210ac1a35d368b (patch) | |
tree | 2e85157bfd968689e9086e0174be5e4b993f7c39 /nixos/doc | |
parent | 8a434b625dc07e0f1e4f39ef6bb1219ab9c58953 (diff) | |
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doc: Breaking change release not for dependency propagation logic
Diffstat (limited to 'nixos/doc')
-rw-r--r-- | nixos/doc/manual/release-notes/rl-1803.xml | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/nixos/doc/manual/release-notes/rl-1803.xml b/nixos/doc/manual/release-notes/rl-1803.xml index 971d88e8a9c6..b58796d33282 100644 --- a/nixos/doc/manual/release-notes/rl-1803.xml +++ b/nixos/doc/manual/release-notes/rl-1803.xml @@ -103,6 +103,18 @@ following incompatible changes:</para> Other more obscure ones are just moved. </para> </listitem> + <listitem> + <para> + The propagation logic has been changed. + The new logic, along with new types of dependencies that go with, is thoroughly documented in the "Specifying dependencies" section of the "Standard Environment" chapter of the nixpkgs manual. + <!-- That's <xref linkend="ssec-stdenv-attributes"> were we to merge the manuals. --> + The old logic isn't but is easy to describe: dependencies were propagated as the same type of dependency no matter what. + In practice, that means that many <function>propagatedNativeBuildInputs</function> should instead be <function>propagatedBuildInputs</function>. + Thankfully, that was and is the least used type of dependency. + Also, it means that some <function>propagatedBuildInputs</function> should instead be <function>depsTargetTargetPropagated</function>. + Other types dependencies should be unaffected. + </para> + </listitem> </itemizedlist> </section> |