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This moves indentation of the included RST files to the initial level and instead indents the include directives where used. Additionally: - Instead of ";-list", "semicolon-separated list" is used. - Instead of mentioning `<resultVar>` argument, a more general description is used. - Few minor tweaks added.
70 lines
2.5 KiB
CMake
70 lines
2.5 KiB
CMake
# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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# file LICENSE.rst or https://cmake.org/licensing for details.
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#[=======================================================================[.rst:
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CheckFortranSourceCompiles
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--------------------------
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.. versionadded:: 3.1
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Check once if Fortran source code can be built.
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.. command:: check_fortran_source_compiles
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.. code-block:: cmake
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check_fortran_source_compiles(<code> <resultVar>
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[FAIL_REGEX <regex>...]
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[SRC_EXT <extension>]
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)
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Check once that the source supplied in ``<code>`` can be built. The result is
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stored in the internal cache variable specified by ``<resultVar>``, with
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boolean ``true`` for success and boolean ``false`` for failure.
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If ``FAIL_REGEX`` is provided, then failure is determined by checking
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if anything in the compiler output matches any of the specified regular
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expressions.
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By default, the test source file will be given a ``.F`` file extension. The
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``SRC_EXT`` option can be used to override this with ``.<extension>`` instead--
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``.F90`` is a typical choice.
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See also :command:`check_source_compiles` for a more general command syntax.
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See also :command:`check_source_runs` to run compiled source.
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Internally, :command:`try_compile` is used to compile the source. If
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:variable:`CMAKE_TRY_COMPILE_TARGET_TYPE` is set to ``EXECUTABLE`` (default),
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the source is compiled and linked as an executable program. If set to
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``STATIC_LIBRARY``, the source is compiled but not linked. In any case, all
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functions must be declared as usual.
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The compile and link commands can be influenced by setting any of the
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following variables prior to calling ``check_fortran_source_compiles()``:
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.. include:: /module/include/CMAKE_REQUIRED_FLAGS.rst
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.. include:: /module/include/CMAKE_REQUIRED_DEFINITIONS.rst
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.. include:: /module/include/CMAKE_REQUIRED_INCLUDES.rst
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.. include:: /module/include/CMAKE_REQUIRED_LINK_OPTIONS.rst
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.. include:: /module/include/CMAKE_REQUIRED_LIBRARIES.rst
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.. include:: /module/include/CMAKE_REQUIRED_LINK_DIRECTORIES.rst
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.. include:: /module/include/CMAKE_REQUIRED_QUIET.rst
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#]=======================================================================]
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include_guard(GLOBAL)
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include(Internal/CheckSourceCompiles)
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macro(CHECK_Fortran_SOURCE_COMPILES SOURCE VAR)
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# Pass the SRC_EXT we used by default historically.
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# A user-provided SRC_EXT argument in ARGN will override ours.
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cmake_check_source_compiles(Fortran "${SOURCE}" ${VAR} SRC_EXT "F" ${ARGN})
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endmacro()
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