FindMFC.cmake 2.42 KB
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# Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
# file Copyright.txt or https://cmake.org/licensing for details.

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#[=======================================================================[.rst:
FindMFC
-------

Find MFC on Windows

Find the native MFC - i.e.  decide if an application can link to the
MFC libraries.

::

  MFC_FOUND - Was MFC support found

You don't need to include anything or link anything to use it.
#]=======================================================================]
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# Assume no MFC support
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set(MFC_FOUND "NO")
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# Only attempt the try_compile call if it has a chance to succeed:
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set(MFC_ATTEMPT_TRY_COMPILE 0)
if(WIN32 AND NOT UNIX AND NOT BORLAND AND NOT MINGW)
  set(MFC_ATTEMPT_TRY_COMPILE 1)
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endif()
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if(MFC_ATTEMPT_TRY_COMPILE)
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  if(NOT DEFINED MFC_HAVE_MFC)
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    set(CHECK_INCLUDE_FILE_VAR "afxwin.h")
    configure_file(${CMAKE_ROOT}/Modules/CheckIncludeFile.cxx.in
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      ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/CheckIncludeFile.cxx)
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    message(STATUS "Looking for MFC")
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    # Try both shared and static as the root project may have set the /MT flag
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    try_compile(MFC_HAVE_MFC
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      ${CMAKE_BINARY_DIR}
      ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/CheckIncludeFile.cxx
      CMAKE_FLAGS
      -DCMAKE_MFC_FLAG:STRING=2
      -DCOMPILE_DEFINITIONS:STRING=-D_AFXDLL
      OUTPUT_VARIABLE OUTPUT)
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    if(NOT MFC_HAVE_MFC)
      configure_file(${CMAKE_ROOT}/Modules/CheckIncludeFile.cxx.in
        ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/CheckIncludeFile.cxx)
      try_compile(MFC_HAVE_MFC
        ${CMAKE_BINARY_DIR}
        ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/CheckIncludeFile.cxx
        CMAKE_FLAGS
        -DCMAKE_MFC_FLAG:STRING=1
        OUTPUT_VARIABLE OUTPUT)
    endif()
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    if(MFC_HAVE_MFC)
      message(STATUS "Looking for MFC - found")
      set(MFC_HAVE_MFC 1 CACHE INTERNAL "Have MFC?")
      file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
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        "Determining if MFC exists passed with the following output:\n"
        "${OUTPUT}\n\n")
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    else()
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      message(STATUS "Looking for MFC - not found")
      set(MFC_HAVE_MFC 0 CACHE INTERNAL "Have MFC?")
      file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
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        "Determining if MFC exists failed with the following output:\n"
        "${OUTPUT}\n\n")
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    endif()
  endif()
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  if(MFC_HAVE_MFC)
    set(MFC_FOUND "YES")
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  endif()
endif()