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38 lines
1.0 KiB
CMake
38 lines
1.0 KiB
CMake
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# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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# file Copyright.txt or https://cmake.org/licensing for details.
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#[=======================================================================[.rst:
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TestCXXAcceptsFlag
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------------------
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.. deprecated:: 3.0
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See :module:`CheckCXXCompilerFlag`.
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Check if the CXX compiler accepts a flag.
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.. code-block:: cmake
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CHECK_CXX_ACCEPTS_FLAG(<flags> <variable>)
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``<flags>``
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the flags to try
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``<variable>``
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variable to store the result
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#]=======================================================================]
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macro(CHECK_CXX_ACCEPTS_FLAG FLAGS VARIABLE)
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if(NOT DEFINED ${VARIABLE})
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message(CHECK_START "Checking to see if CXX compiler accepts flag ${FLAGS}")
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try_compile(${VARIABLE}
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SOURCES ${CMAKE_ROOT}/Modules/DummyCXXFile.cxx
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CMAKE_FLAGS -DCOMPILE_DEFINITIONS:STRING=${FLAGS}
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)
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if(${VARIABLE})
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message(CHECK_PASS "yes")
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else()
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message(CHECK_FAIL "no")
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endif()
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endif()
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endmacro()
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