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Adds a parser and serializer for the EcoStd Module Metadata format RFC: https://github.com/ecostd/rfcs/pull/3 This adapts the existing experimental support for import std; to use the new parser. The CMAKE_CXX_STDLIB_MODULES_JSON is now the canonical variable for controlling how CMake discovers the stdlib module metadata, and is used directly by compiler detection. Toolchains can still override the __CMAKE::CXX## targets if they wish, either in conjunction with CMAKE_CXX_STDLIB_MODULE_JSON or not. It is possible to disable automatic detection of CMAKE_CXX_STDLIB_MODULE_JSON by setting it to the empty string. When available, the CMAKE_CXX_STDLIB_MODULE_JSON will be used to create all requested C++ stdlibs which do not already have targets.
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 Superseded by ``Tests/RunCMake/``.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