Files
CMake/Tests
Brad King 8b710d8264 Linker: Generate per-language module -DEF: flags on Windows
With IntelLLVM on Windows, we link using the compiler driver.
With MSVC on Windows, we invoke the linker directly.  If we
use both in a single build tree, for separate languages,
the value of `CMAKE_LINK_DEF_FILE_FLAG` conflicts.  Add a
per-language `CMAKE_<LANG>_LINK_DEF_FILE_FLAG` variable to
avoid the conflict.  Preserve the language-agnostic variable
for compatibility with projects that reference it.

Fixes: #26005
2025-05-28 13:48:26 -04:00
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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  Superseded by ``Tests/RunCMake/``.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