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23 lines
742 B
23 lines
742 B
3 years ago
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enable_language(CXX)
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if(NOT CMAKE_CXX_BYTE_ORDER MATCHES "^(BIG_ENDIAN|LITTLE_ENDIAN)$")
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if(CMAKE_OSX_ARCHITECTURES MATCHES ";ppc|ppc;")
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return()
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endif()
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message(FATAL_ERROR "CMAKE_CXX_BYTE_ORDER has unexpected value '${CMAKE_CXX_BYTE_ORDER}'")
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endif()
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include(TestBigEndian)
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test_big_endian(IS_BIG_ENDIAN)
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if(IS_BIG_ENDIAN AND NOT CMAKE_CXX_BYTE_ORDER STREQUAL "BIG_ENDIAN")
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message(FATAL_ERROR "test_big_endian result does not match ABI result")
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endif()
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# Test legacy check.
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set(byte_order "${CMAKE_CXX_BYTE_ORDER}")
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unset(CMAKE_CXX_BYTE_ORDER)
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include(TestBigEndian)
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test_big_endian(IS_BIG)
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if(IS_BIG AND NOT byte_order STREQUAL "BIG_ENDIAN")
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message(FATAL_ERROR "test_big_endian result does not match ABI result")
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endif()
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