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migration-guides/migration-5.2.rst: add information about autotools changes

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Original patch by Ross Burton:
https://lists.yoctoproject.org/g/docs/message/6466

Moved to the migration manual as it is potentially a breaking change.

Co-developed-by: Ross Burton <ross.burton@arm.com>
(From yocto-docs rev: 9b795ad8fdeadf17f08e03eedc93bc922a2d5736)

Signed-off-by: Antonin Godard <antonin.godard@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Antonin Godard
2025-03-25 10:20:53 +01:00
committed by Richard Purdie
parent 1bc6298738
commit e7999d5413
1 changed files with 11 additions and 0 deletions
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documentation/migration-guides/migration-5.2.rst
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@@ -140,6 +140,17 @@ replacing is not as straightforward. For more examples, see the commit
c++/binutils)" </openembedded-core/commit/?id=4ccc3bc8266c>` in
:term:`OpenEmbedded-Core (OE-Core)`.
:ref:`ref-classes-autotools` changes
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- Changes to how ``aclocal`` is invoked means that ``ACLOCALDIR`` and
``ACLOCALEXTRAPATH`` are no longer used.
- Directories containing m4 files are no longer found automatically and
passed to ``autoreconf``. If a recipe fails to configure because it cannot
find m4 macros, then usually the solution is to set ``EXTRA_AUTORECONF += "-I
path/to/m4"`` in the recipe.
Recipe changes
~~~~~~~~~~~~~~