I686LINUX/util/I686LINUX/share/CMake/Modules/TestBigEndian.cmake

   1 #
   2 # Check if the system is big endian or little endian
   3 #
   4 # VARIABLE - variable to store the result to
   5 #
   6
   7 MACRO(TEST_BIG_ENDIAN VARIABLE)
   8   IF("HAVE_${VARIABLE}" MATCHES "^HAVE_${VARIABLE}$")
   9     TRY_RUN(${VARIABLE} HAVE_${VARIABLE}
  10       ${CMAKE_BINARY_DIR}
  11       ${CMAKE_ROOT}/Modules/TestBigEndian.c
  12       OUTPUT_VARIABLE OUTPUT)
  13     MESSAGE(STATUS "Check if the system is big endian")
  14     IF(HAVE_${VARIABLE})
  15       FILE(APPEND ${CMAKE_BINARY_DIR}/CMakeError.log
  16         "Determining the endianes of the system passed. The system is ")
  17       IF(${VARIABLE})
  18         FILE(APPEND ${CMAKE_BINARY_DIR}/CMakeError.log
  19           "big endian")
  20         MESSAGE(STATUS "Check if the system is big endian - big endian")
  21       ELSE(${VARIABLE})
  22         FILE(APPEND ${CMAKE_BINARY_DIR}/CMakeError.log
  23           "little endian")
  24         MESSAGE(STATUS "Check if the system is big endian - little endian")
  25       ENDIF(${VARIABLE})
  26       FILE(APPEND ${CMAKE_BINARY_DIR}/CMakeError.log
  27         "Test produced following output:\n${OUTPUT}\n\n")
  28     ELSE(HAVE_${VARIABLE})
  29       FILE(APPEND ${CMAKE_BINARY_DIR}/CMakeError.log
  30         "Determining the endianes of the system failed with the following output:\n${OUTPUT}\n\n")
  31       MESSAGE("Check if the system is big endian - failed")
  32     ENDIF(HAVE_${VARIABLE})
  33   ENDIF("HAVE_${VARIABLE}" MATCHES "^HAVE_${VARIABLE}$")
  34 ENDMACRO(TEST_BIG_ENDIAN)