28 lines
1.1 KiB
CMake
28 lines
1.1 KiB
CMake
#
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# Check if the function exists.
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#
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# CHECK_LIBRARY_EXISTS - macro which checks if the function exists
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# FUNCTION - the name of the function
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# VARIABLE - variable to store the result
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#
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MACRO(CHECK_LIBRARY_EXISTS LIBRARY FUNCTION LOCATION VARIABLE)
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SET(CHECK_LIBRARY_EXISTS_LIBRARY ${LIBRARY})
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SET(CHECK_LIBRARY_EXISTS_FUNCTION ${FUNCTION})
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SET(CHECK_LIBRARY_EXISTS_LOCATION ${LOCATION})
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SET(CHECK_LIBRARY_EXISTS_VARIABLE ${VARIABLE})
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SET(CHECK_LIBRARY_EXISTS_SOURCE ${CMAKE_ROOT}/Modules/CheckFunctionExists.c)
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CONFIGURE_FILE(${CMAKE_ROOT}/Modules/CheckLibraryExists.lists.in
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${PROJECT_BINARY_DIR}/CMakeTmp/CheckLibraryExists/CMakeLists.txt
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IMMEDIATE)
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TRY_COMPILE(${VARIABLE}
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${PROJECT_BINARY_DIR}/CMakeTmp/CheckLibraryExists
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${PROJECT_BINARY_DIR}/CMakeTmp/CheckLibraryExists
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CHECK_LIBRARY_EXISTS OUTPUT_VARIABLE OUTPUT)
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IF(NOT ${VARIABLE})
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WRITE_FILE(${PROJECT_BINARY_DIR}/CMakeError.log
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"Determining if the function ${FUNCTION} exists failed with the following output:\n"
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"${OUTPUT}\n")
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ENDIF(NOT ${VARIABLE})
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ENDMACRO(CHECK_LIBRARY_EXISTS)
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