diff options
Diffstat (limited to 'share/cmake-3.16/Modules/CheckIncludeFileCXX.cmake')
-rw-r--r-- | share/cmake-3.16/Modules/CheckIncludeFileCXX.cmake | 129 |
1 files changed, 0 insertions, 129 deletions
diff --git a/share/cmake-3.16/Modules/CheckIncludeFileCXX.cmake b/share/cmake-3.16/Modules/CheckIncludeFileCXX.cmake deleted file mode 100644 index de5a83b..0000000 --- a/share/cmake-3.16/Modules/CheckIncludeFileCXX.cmake +++ /dev/null @@ -1,129 +0,0 @@ -# Distributed under the OSI-approved BSD 3-Clause License. See accompanying -# file Copyright.txt or https://cmake.org/licensing for details. - -#[=======================================================================[.rst: -CheckIncludeFileCXX -------------------- - -Provides a macro to check if a header file can be included in ``CXX``. - -.. command:: CHECK_INCLUDE_FILE_CXX - - .. code-block:: cmake - - CHECK_INCLUDE_FILE_CXX(<include> <variable> [<flags>]) - - Check if the given ``<include>`` file may be included in a ``CXX`` - source file and store the result in an internal cache entry named - ``<variable>``. The optional third argument may be used to add - compilation flags to the check (or use ``CMAKE_REQUIRED_FLAGS`` below). - -The following variables may be set before calling this macro to modify -the way the check is run: - -``CMAKE_REQUIRED_FLAGS`` - string of compile command line flags. -``CMAKE_REQUIRED_DEFINITIONS`` - a :ref:`;-list <CMake Language Lists>` of macros to define (-DFOO=bar). -``CMAKE_REQUIRED_INCLUDES`` - a :ref:`;-list <CMake Language Lists>` of header search paths to pass to - the compiler. -``CMAKE_REQUIRED_LINK_OPTIONS`` - a :ref:`;-list <CMake Language Lists>` of options to add to the link command. -``CMAKE_REQUIRED_LIBRARIES`` - a :ref:`;-list <CMake Language Lists>` of libraries to add to the link - command. See policy :policy:`CMP0075`. -``CMAKE_REQUIRED_QUIET`` - execute quietly without messages. - -See modules :module:`CheckIncludeFile` and :module:`CheckIncludeFiles` -to check for one or more ``C`` headers. -#]=======================================================================] - -include_guard(GLOBAL) - -macro(CHECK_INCLUDE_FILE_CXX INCLUDE VARIABLE) - if(NOT DEFINED "${VARIABLE}" OR "x${${VARIABLE}}" STREQUAL "x${VARIABLE}") - if(CMAKE_REQUIRED_INCLUDES) - set(CHECK_INCLUDE_FILE_CXX_INCLUDE_DIRS "-DINCLUDE_DIRECTORIES=${CMAKE_REQUIRED_INCLUDES}") - else() - set(CHECK_INCLUDE_FILE_CXX_INCLUDE_DIRS) - endif() - set(MACRO_CHECK_INCLUDE_FILE_FLAGS ${CMAKE_REQUIRED_FLAGS}) - set(CHECK_INCLUDE_FILE_VAR ${INCLUDE}) - configure_file(${CMAKE_ROOT}/Modules/CheckIncludeFile.cxx.in - ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/CheckIncludeFile.cxx) - if(NOT CMAKE_REQUIRED_QUIET) - message(STATUS "Looking for C++ include ${INCLUDE}") - endif() - if(${ARGC} EQUAL 3) - set(CMAKE_CXX_FLAGS_SAVE ${CMAKE_CXX_FLAGS}) - string(APPEND CMAKE_CXX_FLAGS " ${ARGV2}") - endif() - - set(_CIF_LINK_OPTIONS) - if(CMAKE_REQUIRED_LINK_OPTIONS) - set(_CIF_LINK_OPTIONS LINK_OPTIONS ${CMAKE_REQUIRED_LINK_OPTIONS}) - endif() - - set(_CIF_LINK_LIBRARIES "") - if(CMAKE_REQUIRED_LIBRARIES) - cmake_policy(GET CMP0075 _CIF_CMP0075 - PARENT_SCOPE # undocumented, do not use outside of CMake - ) - if("x${_CIF_CMP0075}x" STREQUAL "xNEWx") - set(_CIF_LINK_LIBRARIES LINK_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES}) - elseif("x${_CIF_CMP0075}x" STREQUAL "xOLDx") - elseif(NOT _CIF_CMP0075_WARNED) - set(_CIF_CMP0075_WARNED 1) - message(AUTHOR_WARNING - "Policy CMP0075 is not set: Include file check macros honor CMAKE_REQUIRED_LIBRARIES. " - "Run \"cmake --help-policy CMP0075\" for policy details. " - "Use the cmake_policy command to set the policy and suppress this warning." - "\n" - "CMAKE_REQUIRED_LIBRARIES is set to:\n" - " ${CMAKE_REQUIRED_LIBRARIES}\n" - "For compatibility with CMake 3.11 and below this check is ignoring it." - ) - endif() - unset(_CIF_CMP0075) - endif() - - try_compile(${VARIABLE} - ${CMAKE_BINARY_DIR} - ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/CheckIncludeFile.cxx - COMPILE_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS} - ${_CIF_LINK_OPTIONS} - ${_CIF_LINK_LIBRARIES} - CMAKE_FLAGS - -DCOMPILE_DEFINITIONS:STRING=${MACRO_CHECK_INCLUDE_FILE_FLAGS} - "${CHECK_INCLUDE_FILE_CXX_INCLUDE_DIRS}" - OUTPUT_VARIABLE OUTPUT) - unset(_CIF_LINK_OPTIONS) - unset(_CIF_LINK_LIBRARIES) - - if(${ARGC} EQUAL 3) - set(CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS_SAVE}) - endif() - - if(${VARIABLE}) - if(NOT CMAKE_REQUIRED_QUIET) - message(STATUS "Looking for C++ include ${INCLUDE} - found") - endif() - set(${VARIABLE} 1 CACHE INTERNAL "Have include ${INCLUDE}") - file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log - "Determining if the include file ${INCLUDE} " - "exists passed with the following output:\n" - "${OUTPUT}\n\n") - else() - if(NOT CMAKE_REQUIRED_QUIET) - message(STATUS "Looking for C++ include ${INCLUDE} - not found") - endif() - set(${VARIABLE} "" CACHE INTERNAL "Have include ${INCLUDE}") - file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log - "Determining if the include file ${INCLUDE} " - "exists failed with the following output:\n" - "${OUTPUT}\n\n") - endif() - endif() -endmacro() |