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Merge branch 'bugfix/build_spaces_in_path_docs_tests' into 'master'

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ci, tools: add build tests for spaces in paths, fix regression in export.sh, add migration guide

See merge request espressif/esp-idf!15431
This commit is contained in:
Ivan Grokhotkov
2022-05-03 21:04:49 +08:00
parent 2f7935666d a093ed39df
commit 5b0a302ea4
8 changed files with 268 additions and 20 deletions
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25
docs/en/migration-guides/build-system.rst
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@@ -1,8 +1,8 @@
Migrate Build System to ESP-IDF 5.0
===================================
Migrating from make to cmake
----------------------------
Migrating from GNU Make build system
------------------------------------
Please follow the :ref:`build system <migrating_from_make>` guide for migrating make-based projects no longer supported in ESP-IDF v5.0.
@@ -34,3 +34,24 @@ This behavior was caused by transitive dependencies of various common components
In ESP-IDF v5.0, this behavior is fixed and these components are no longer added as public requirements by default.
Every component depending on one of the components which isn't part of common requirements has to declare this dependency explicitly. This can be done by adding ``REQUIRES <component_name>`` or ``PRIV_REQUIRES <component_name>`` in ``idf_component_register`` call inside component's ``CMakeLists.txt``. See :ref:`Component Requirements` for more information on specifying requirements.
Setting ``COMPONENT_DIRS`` and ``EXTRA_COMPONENT_DIRS`` variables
-----------------------------------------------------------------
.. highlight:: cmake
ESP-IDF 5.0 includes a number of improvements to support building projects with space characters in their paths. To make that possible, there are some changes related to setting ``COMPONENT_DIRS`` and ``EXTRA_COMPONENT_DIRS`` variables in project CMakeLists.txt files.
Adding non-existent directories to ``COMPONENT_DIRS`` or ``EXTRA_COMPONENT_DIRS`` is no longer supported and will result in an error.
Using string concatenation to define ``COMPONENT_DIRS`` or ``EXTRA_COMPONENT_DIRS`` variables is now deprecated. These variables should be defined as CMake lists, instead. For example, use::
set(EXTRA_COMPONENT_DIRS path1 path2)
list(APPEND EXTRA_COMPONENT_DIRS path3)
instead of::
set(EXTRA_COMPONENT_DIRS "path1 path2")
set(EXTRA_COMPONENT_DIRS "${EXTRA_COMPONENT_DIRS} path3")
Defining these variables as CMake lists is compatible with previous IDF versions.