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32 lines
1.3 KiB
CMake
32 lines
1.3 KiB
CMake
#
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# Check if the include file exists.
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#
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# CHECK_INCLUDE_FILE - macro which checks the include file exists.
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# INCLUDE - name of include file
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# VARIABLE - variable to return result
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#
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MACRO(CHECK_INCLUDE_FILE_CXX INCLUDE VARIABLE)
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IF("${VARIABLE}" MATCHES "^${VARIABLE}$")
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MESSAGE(STATUS "Checking for CXX include file ${INCLUDE}")
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SET(CHECK_INCLUDE_FILE_VAR ${INCLUDE})
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CONFIGURE_FILE(${CMAKE_ROOT}/Modules/CheckIncludeFile.cxx.in
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${CMAKE_BINARY_DIR}/CMakeTmp/CheckIncludeFile.cxx IMMEDIATE)
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TRY_COMPILE(${VARIABLE}
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${CMAKE_BINARY_DIR}
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${CMAKE_BINARY_DIR}/CMakeTmp/CheckIncludeFile.cxx
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OUTPUT_VARIABLE OUTPUT)
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IF(${VARIABLE})
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MESSAGE(STATUS "Checking for CXX include file ${INCLUDE} -- found")
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SET(${VARIABLE} 1 CACHE INTERNAL "Have include ${INCLUDE}")
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ELSE(${VARIABLE})
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MESSAGE(STATUS "Checking for CXX include file ${INCLUDE} -- not found")
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SET(${VARIABLE} "" CACHE INTERNAL "Have include ${INCLUDE}")
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WRITE_FILE(${CMAKE_BINARY_DIR}/CMakeError.log
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"Determining if the include file ${INCLUDE} "
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"exists failed with the following output:\n"
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"${OUTPUT}\n" APPEND)
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ENDIF(${VARIABLE})
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ENDIF("${VARIABLE}" MATCHES "^${VARIABLE}$")
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ENDMACRO(CHECK_INCLUDE_FILE_CXX)
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