| # Distributed under the OSI-approved BSD 3-Clause License. See accompanying |
| # file Copyright.txt or https://cmake.org/licensing for details. |
| |
| #.rst: |
| # TestCXXAcceptsFlag |
| # ------------------ |
| # |
| # Deprecated. See :module:`CheckCXXCompilerFlag`. |
| # |
| # Check if the CXX compiler accepts a flag. |
| # |
| # .. code-block:: cmake |
| # |
| # CHECK_CXX_ACCEPTS_FLAG(<flags> <variable>) |
| # |
| # ``<flags>`` |
| # the flags to try |
| # ``<variable>`` |
| # variable to store the result |
| |
| macro(CHECK_CXX_ACCEPTS_FLAG FLAGS VARIABLE) |
| if(NOT DEFINED ${VARIABLE}) |
| message(STATUS "Checking to see if CXX compiler accepts flag ${FLAGS}") |
| try_compile(${VARIABLE} |
| ${CMAKE_BINARY_DIR} |
| ${CMAKE_ROOT}/Modules/DummyCXXFile.cxx |
| CMAKE_FLAGS -DCOMPILE_DEFINITIONS:STRING=${FLAGS} |
| OUTPUT_VARIABLE OUTPUT) |
| if(${VARIABLE}) |
| message(STATUS "Checking to see if CXX compiler accepts flag ${FLAGS} - yes") |
| file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log |
| "Determining if the CXX compiler accepts the flag ${FLAGS} passed with " |
| "the following output:\n${OUTPUT}\n\n") |
| else() |
| message(STATUS "Checking to see if CXX compiler accepts flag ${FLAGS} - no") |
| file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log |
| "Determining if the CXX compiler accepts the flag ${FLAGS} failed with " |
| "the following output:\n${OUTPUT}\n\n") |
| endif() |
| endif() |
| endmacro() |