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e301cbffcc
Add the ability to modify the environment of the various steps running as part of an external project build. This specifically adds the ability to set them on the configure , build , install, and test steps, as well as exposing the `ENVIRONMENT_MODIFICATION` keyword arguments to `ExternalProject_Add_Step`, allowing customization of the environment of custom steps. The values of the environment variable respect the `LIST_SEPARATOR`. Fixes: #26963
CMake Tests Directory ********************* This directory contains the CMake test suite. See also the `CMake Testing Guide`_ and the `CMake Source Code Guide`_. .. _`CMake Testing Guide`: ../Help/dev/testing.rst .. _`CMake Source Code Guide`: ../Help/dev/source.rst Many tests exist as immediate subdirectories, but some tests are organized as follows. * ``CMakeLib/``: Source code, used for tests, that links to the ``CMakeLib`` library defined over in ``Source/``. * ``CMakeOnly/``: Deprecated. Tests that run CMake to generate a project but not build it. Superseded by ``Tests/RunCMake/``. * ``Find*/``: Tests for specific find modules that can only be run on machines with the corresponding packages installed. They are enabled in ``CMakeLists.txt`` by undocumented options used on CI builds. * ``Module/``: Tests for specific CMake modules. * ``RunCMake/``: Tests that run CMake and/or other tools while precisely checking their return code and stdout/stderr content. Useful for testing error cases and diagnostic output. See `RunCMake/README.rst`_. .. _`RunCMake/README.rst`: RunCMake/README.rst