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82 lines
2.4 KiB
82 lines
2.4 KiB
CMake Source Code Guide
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***********************
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The following is a guide to the CMake source code for developers.
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See documentation on `CMake Development`_ for more information.
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.. _`CMake Development`: README.rst
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C++ Code Style
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==============
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We use `clang-format`_ version **6.0** to define our style for C++ code in
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the CMake source tree. See the `.clang-format`_ configuration file for our
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style settings. Use the `Utilities/Scripts/clang-format.bash`_ script to
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format source code. It automatically runs ``clang-format`` on the set of
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source files for which we enforce style. The script also has options to
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format only a subset of files, such as those that are locally modified.
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.. _`clang-format`: http://clang.llvm.org/docs/ClangFormat.html
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.. _`.clang-format`: ../../.clang-format
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.. _`Utilities/Scripts/clang-format.bash`: ../../Utilities/Scripts/clang-format.bash
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C++ Subset Permitted
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====================
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CMake requires compiling as C++11 or above. However, in order to support
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building on older toolchains some constructs need to be handled with care:
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* Do not use ``std::auto_ptr``.
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The ``std::auto_ptr`` template is deprecated in C++11. Use ``std::unique_ptr``.
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Source Tree Layout
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==================
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The CMake source tree is organized as follows.
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* ``Auxiliary/``:
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Shell and editor integration files.
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* ``Help/``:
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Documentation. See the `CMake Documentation Guide`_.
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* ``Help/dev/``:
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Developer documentation.
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* ``Help/release/dev/``:
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Release note snippets for development since last release.
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* ``Licenses/``:
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License files for third-party libraries in binary distributions.
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* ``Modules/``:
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CMake language modules installed with CMake.
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* ``Packaging/``:
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Files used for packaging CMake itself for distribution.
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* ``Source/``:
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Source code of CMake itself.
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* ``Templates/``:
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Files distributed with CMake as implementation details for generators,
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packagers, etc.
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* ``Tests/``:
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The test suite. See `Tests/README.rst`_.
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* ``Utilities/``:
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Scripts, third-party source code.
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* ``Utilities/Sphinx/``:
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Sphinx configuration to build CMake user documentation.
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* ``Utilities/Release/``:
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Scripts used to package CMake itself for distribution on ``cmake.org``.
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See `Utilities/Release/README.rst`_.
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.. _`CMake Documentation Guide`: documentation.rst
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.. _`Tests/README.rst`: ../../Tests/README.rst
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.. _`Utilities/Release/README.rst`: ../../Utilities/Release/README.rst
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