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