38 lines
1.6 KiB
CMake
38 lines
1.6 KiB
CMake
# - Define macro to determine endian type
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# Check if the system is big endian or little endian
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# TEST_BIG_ENDIAN(VARIABLE)
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# VARIABLE - variable to store the result to
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#
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MACRO(TEST_BIG_ENDIAN VARIABLE)
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IF("HAVE_${VARIABLE}" MATCHES "^HAVE_${VARIABLE}$")
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TRY_RUN(${VARIABLE} HAVE_${VARIABLE}
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${CMAKE_BINARY_DIR}
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${CMAKE_ROOT}/Modules/TestBigEndian.c
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OUTPUT_VARIABLE OUTPUT)
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IF("${VARIABLE}" STREQUAL "FAILED_TO_RUN")
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MESSAGE(SEND_ERROR "TestBigEndian Failed to run with output: ${OUTPUT}")
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ENDIF("${VARIABLE}" STREQUAL "FAILED_TO_RUN")
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MESSAGE(STATUS "Check if the system is big endian")
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IF(HAVE_${VARIABLE})
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FILE(APPEND ${CMAKE_BINARY_DIR}/CMakeFiles/CMakeError.log
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"Determining the endianes of the system passed. The system is ")
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IF(${VARIABLE})
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FILE(APPEND ${CMAKE_BINARY_DIR}/CMakeFiles/CMakeError.log
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"big endian")
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MESSAGE(STATUS "Check if the system is big endian - big endian")
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ELSE(${VARIABLE})
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FILE(APPEND ${CMAKE_BINARY_DIR}/CMakeFiles/CMakeError.log
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"little endian")
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MESSAGE(STATUS "Check if the system is big endian - little endian")
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ENDIF(${VARIABLE})
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FILE(APPEND ${CMAKE_BINARY_DIR}/CMakeFiles/CMakeError.log
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"Test produced following output:\n${OUTPUT}\n\n")
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ELSE(HAVE_${VARIABLE})
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FILE(APPEND ${CMAKE_BINARY_DIR}/CMakeFiles/CMakeError.log
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"Determining the endianes of the system failed with the following output:\n${OUTPUT}\n\n")
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MESSAGE("Check if the system is big endian - failed")
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ENDIF(HAVE_${VARIABLE})
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ENDIF("HAVE_${VARIABLE}" MATCHES "^HAVE_${VARIABLE}$")
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ENDMACRO(TEST_BIG_ENDIAN)
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