diff options
Diffstat (limited to 'Modules/TestBigEndian.cmake')
| -rw-r--r-- | Modules/TestBigEndian.cmake | 136 |
1 files changed, 68 insertions, 68 deletions
diff --git a/Modules/TestBigEndian.cmake b/Modules/TestBigEndian.cmake index 996060210..193df8fda 100644 --- a/Modules/TestBigEndian.cmake +++ b/Modules/TestBigEndian.cmake @@ -17,96 +17,96 @@ # (To distribute this file outside of CMake, substitute the full # License text for the above reference.) -MACRO(TEST_BIG_ENDIAN VARIABLE) - IF("HAVE_${VARIABLE}" MATCHES "^HAVE_${VARIABLE}$") - MESSAGE(STATUS "Check if the system is big endian") - MESSAGE(STATUS "Searching 16 bit integer") - - INCLUDE(CheckTypeSize) +macro(TEST_BIG_ENDIAN VARIABLE) + if("HAVE_${VARIABLE}" MATCHES "^HAVE_${VARIABLE}$") + message(STATUS "Check if the system is big endian") + message(STATUS "Searching 16 bit integer") + + include(CheckTypeSize) CHECK_TYPE_SIZE("unsigned short" CMAKE_SIZEOF_UNSIGNED_SHORT) - IF(CMAKE_SIZEOF_UNSIGNED_SHORT EQUAL 2) - MESSAGE(STATUS "Using unsigned short") - SET(CMAKE_16BIT_TYPE "unsigned short") - ELSE(CMAKE_SIZEOF_UNSIGNED_SHORT EQUAL 2) + if(CMAKE_SIZEOF_UNSIGNED_SHORT EQUAL 2) + message(STATUS "Using unsigned short") + set(CMAKE_16BIT_TYPE "unsigned short") + else() CHECK_TYPE_SIZE("unsigned int" CMAKE_SIZEOF_UNSIGNED_INT) - IF(CMAKE_SIZEOF_UNSIGNED_INT) - MESSAGE(STATUS "Using unsigned int") - SET(CMAKE_16BIT_TYPE "unsigned int") + if(CMAKE_SIZEOF_UNSIGNED_INT) + message(STATUS "Using unsigned int") + set(CMAKE_16BIT_TYPE "unsigned int") + + else() - ELSE(CMAKE_SIZEOF_UNSIGNED_INT) - CHECK_TYPE_SIZE("unsigned long" CMAKE_SIZEOF_UNSIGNED_LONG) - IF(CMAKE_SIZEOF_UNSIGNED_LONG) - MESSAGE(STATUS "Using unsigned long") - SET(CMAKE_16BIT_TYPE "unsigned long") - ELSE(CMAKE_SIZEOF_UNSIGNED_LONG) - MESSAGE(FATAL_ERROR "no suitable type found") - ENDIF(CMAKE_SIZEOF_UNSIGNED_LONG) - - ENDIF(CMAKE_SIZEOF_UNSIGNED_INT) - - ENDIF(CMAKE_SIZEOF_UNSIGNED_SHORT EQUAL 2) - - - CONFIGURE_FILE("${CMAKE_ROOT}/Modules/TestEndianess.c.in" + if(CMAKE_SIZEOF_UNSIGNED_LONG) + message(STATUS "Using unsigned long") + set(CMAKE_16BIT_TYPE "unsigned long") + else() + message(FATAL_ERROR "no suitable type found") + endif() + + endif() + + endif() + + + configure_file("${CMAKE_ROOT}/Modules/TestEndianess.c.in" "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/TestEndianess.c" IMMEDIATE @ONLY) - - FILE(READ "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/TestEndianess.c" + + file(READ "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/TestEndianess.c" TEST_ENDIANESS_FILE_CONTENT) - TRY_COMPILE(HAVE_${VARIABLE} + try_compile(HAVE_${VARIABLE} "${CMAKE_BINARY_DIR}" "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/TestEndianess.c" OUTPUT_VARIABLE OUTPUT COPY_FILE "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/TestEndianess.bin" ) - IF(HAVE_${VARIABLE}) + if(HAVE_${VARIABLE}) - FILE(STRINGS "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/TestEndianess.bin" + file(STRINGS "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/TestEndianess.bin" CMAKE_TEST_ENDIANESS_STRINGS_LE LIMIT_COUNT 1 REGEX "THIS IS LITTLE ENDIAN") - FILE(STRINGS "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/TestEndianess.bin" + file(STRINGS "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/TestEndianess.bin" CMAKE_TEST_ENDIANESS_STRINGS_BE LIMIT_COUNT 1 REGEX "THIS IS BIG ENDIAN") # on mac, if there are universal binaries built both will be true # return the result depending on the machine on which cmake runs - IF(CMAKE_TEST_ENDIANESS_STRINGS_BE AND CMAKE_TEST_ENDIANESS_STRINGS_LE) - IF(CMAKE_SYSTEM_PROCESSOR MATCHES powerpc) - SET(CMAKE_TEST_ENDIANESS_STRINGS_BE TRUE) - SET(CMAKE_TEST_ENDIANESS_STRINGS_LE FALSE) - ELSE(CMAKE_SYSTEM_PROCESSOR MATCHES powerpc) - SET(CMAKE_TEST_ENDIANESS_STRINGS_BE FALSE) - SET(CMAKE_TEST_ENDIANESS_STRINGS_LE TRUE) - ENDIF(CMAKE_SYSTEM_PROCESSOR MATCHES powerpc) - MESSAGE(STATUS "TEST_BIG_ENDIAN found different results, consider setting CMAKE_OSX_ARCHITECTURES or CMAKE_TRY_COMPILE_OSX_ARCHITECTURES to one or no architecture !") - ENDIF(CMAKE_TEST_ENDIANESS_STRINGS_BE AND CMAKE_TEST_ENDIANESS_STRINGS_LE) - - IF(CMAKE_TEST_ENDIANESS_STRINGS_LE) - SET(${VARIABLE} 0 CACHE INTERNAL "Result of TEST_BIG_ENDIAN" FORCE) - MESSAGE(STATUS "Check if the system is big endian - little endian") - ENDIF(CMAKE_TEST_ENDIANESS_STRINGS_LE) - - IF(CMAKE_TEST_ENDIANESS_STRINGS_BE) - SET(${VARIABLE} 1 CACHE INTERNAL "Result of TEST_BIG_ENDIAN" FORCE) - MESSAGE(STATUS "Check if the system is big endian - big endian") - ENDIF(CMAKE_TEST_ENDIANESS_STRINGS_BE) - - IF(NOT CMAKE_TEST_ENDIANESS_STRINGS_BE AND NOT CMAKE_TEST_ENDIANESS_STRINGS_LE) - MESSAGE(SEND_ERROR "TEST_BIG_ENDIAN found no result!") - ENDIF(NOT CMAKE_TEST_ENDIANESS_STRINGS_BE AND NOT CMAKE_TEST_ENDIANESS_STRINGS_LE) - - FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log + if(CMAKE_TEST_ENDIANESS_STRINGS_BE AND CMAKE_TEST_ENDIANESS_STRINGS_LE) + if(CMAKE_SYSTEM_PROCESSOR MATCHES powerpc) + set(CMAKE_TEST_ENDIANESS_STRINGS_BE TRUE) + set(CMAKE_TEST_ENDIANESS_STRINGS_LE FALSE) + else() + set(CMAKE_TEST_ENDIANESS_STRINGS_BE FALSE) + set(CMAKE_TEST_ENDIANESS_STRINGS_LE TRUE) + endif() + message(STATUS "TEST_BIG_ENDIAN found different results, consider setting CMAKE_OSX_ARCHITECTURES or CMAKE_TRY_COMPILE_OSX_ARCHITECTURES to one or no architecture !") + endif() + + if(CMAKE_TEST_ENDIANESS_STRINGS_LE) + set(${VARIABLE} 0 CACHE INTERNAL "Result of TEST_BIG_ENDIAN" FORCE) + message(STATUS "Check if the system is big endian - little endian") + endif() + + if(CMAKE_TEST_ENDIANESS_STRINGS_BE) + set(${VARIABLE} 1 CACHE INTERNAL "Result of TEST_BIG_ENDIAN" FORCE) + message(STATUS "Check if the system is big endian - big endian") + endif() + + if(NOT CMAKE_TEST_ENDIANESS_STRINGS_BE AND NOT CMAKE_TEST_ENDIANESS_STRINGS_LE) + message(SEND_ERROR "TEST_BIG_ENDIAN found no result!") + endif() + + file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log "Determining if the system is big endian passed with the following output:\n${OUTPUT}\nTestEndianess.c:\n${TEST_ENDIANESS_FILE_CONTENT}\n\n") - - ELSE(HAVE_${VARIABLE}) - MESSAGE(STATUS "Check if the system is big endian - failed") - FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log + + else() + message(STATUS "Check if the system is big endian - failed") + file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log "Determining if the system is big endian failed with the following output:\n${OUTPUT}\nTestEndianess.c:\n${TEST_ENDIANESS_FILE_CONTENT}\n\n") - SET(${VARIABLE}) - ENDIF(HAVE_${VARIABLE}) - ENDIF("HAVE_${VARIABLE}" MATCHES "^HAVE_${VARIABLE}$") -ENDMACRO(TEST_BIG_ENDIAN) + set(${VARIABLE}) + endif() + endif() +endmacro() |