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|
SET(VTK_SIZEOF_VOID_P ${CMAKE_SIZEOF_VOID_P})
INCLUDE (CheckTypeSize)
CHECK_TYPE_SIZE(int VTK_SIZEOF_INT)
CHECK_TYPE_SIZE(long VTK_SIZEOF_LONG)
CHECK_TYPE_SIZE(char VTK_SIZEOF_CHAR)
CHECK_TYPE_SIZE(short VTK_SIZEOF_SHORT)
CHECK_TYPE_SIZE(float VTK_SIZEOF_FLOAT)
CHECK_TYPE_SIZE(double VTK_SIZEOF_DOUBLE)
CHECK_TYPE_SIZE("long long" VTK_SIZEOF_LONG_LONG)
CHECK_TYPE_SIZE("__int64" VTK_SIZEOF___INT64)
CHECK_TYPE_SIZE("uintptr_t" VTK_UINTPTR_T)
IF(VTK_SIZEOF___INT64)
# In CMake 2.6 and above the type __int64 may have been found only
# due to inclusion of a system header. Further try-compiles using
# the type should include the header too.
SET(_HAVE_DEFS)
FOREACH(def HAVE_SYS_TYPES_H HAVE_STDINT_H HAVE_STDDEF_H)
IF(${def})
LIST(APPEND _HAVE_DEFS -D${def})
ENDIF()
ENDFOREACH()
IF(NOT DEFINED VTK_TYPE_SAME_LONG_AND___INT64)
MESSAGE(STATUS "Checking whether long and __int64 are the same type")
TRY_COMPILE(VTK_TYPE_SAME_LONG_AND___INT64
${VTK_BINARY_DIR}/CMakeTmp
${VTK_CMAKE_DIR}/vtkTestCompareTypes.cxx
COMPILE_DEFINITIONS
-DVTK_TEST_COMPARE_TYPE_1=long
-DVTK_TEST_COMPARE_TYPE_2=__int64
${_HAVE_DEFS}
OUTPUT_VARIABLE OUTPUT)
IF(VTK_TYPE_SAME_LONG_AND___INT64)
MESSAGE(STATUS "Checking whether long and __int64 are the same type -- yes")
SET(VTK_TYPE_SAME_LONG_AND___INT64 1 CACHE INTERNAL "Whether long and __int64 are the same type")
FILE(APPEND ${CMAKE_BINARY_DIR}/CMakeFiles/CMakeOutput.log
"Determining whether long and __int64 are the same type "
"passed with the following output:\n"
"${OUTPUT}\n")
ELSE()
MESSAGE(STATUS "Checking whether long and __int64 are the same type -- no")
SET(VTK_TYPE_SAME_LONG_AND___INT64 0 CACHE INTERNAL "Whether long and __int64 are the same type")
FILE(APPEND ${CMAKE_BINARY_DIR}/CMakeFiles/CMakeError.log
"Determining whether long and __int64 are the same type "
"failed with the following output:\n"
"${OUTPUT}\n")
ENDIF()
ENDIF()
IF(VTK_SIZEOF_LONG_LONG)
IF(NOT DEFINED VTK_TYPE_SAME_LONG_LONG_AND___INT64)
MESSAGE(STATUS "Checking whether long long and __int64 are the same type")
TRY_COMPILE(VTK_TYPE_SAME_LONG_LONG_AND___INT64
${VTK_BINARY_DIR}/CMakeTmp
${VTK_CMAKE_DIR}/vtkTestCompareTypes.cxx
COMPILE_DEFINITIONS
-DVTK_TEST_COMPARE_TYPE_1=TYPE_LONG_LONG
-DVTK_TEST_COMPARE_TYPE_2=__int64
${_HAVE_DEFS}
OUTPUT_VARIABLE OUTPUT)
IF(VTK_TYPE_SAME_LONG_LONG_AND___INT64)
MESSAGE(STATUS "Checking whether long long and __int64 are the same type -- yes")
SET(VTK_TYPE_SAME_LONG_LONG_AND___INT64 1 CACHE INTERNAL "Whether long long and __int64 are the same type")
FILE(APPEND ${CMAKE_BINARY_DIR}/CMakeFiles/CMakeOutput.log
"Determining whether long long and __int64 are the same type "
"passed with the following output:\n"
"${OUTPUT}\n")
ELSE()
MESSAGE(STATUS "Checking whether long long and __int64 are the same type -- no")
SET(VTK_TYPE_SAME_LONG_LONG_AND___INT64 0 CACHE INTERNAL "Whether long long and __int64 are the same type")
FILE(APPEND ${CMAKE_BINARY_DIR}/CMakeFiles/CMakeError.log
"Determining whether long long and __int64 are the same type "
"failed with the following output:\n"
"${OUTPUT}\n")
ENDIF()
ENDIF()
ENDIF()
IF(NOT VTK_TYPE_SAME_LONG_AND___INT64)
IF(NOT VTK_TYPE_SAME_LONG_LONG_AND___INT64)
# VS 6 cannot convert unsigned __int64 to double unless the
# "Visual C++ Processor Pack" is installed.
IF(NOT DEFINED VTK_TYPE_CONVERT_UI64_TO_DOUBLE)
MESSAGE(STATUS "Checking whether unsigned __int64 can convert to double")
TRY_COMPILE(VTK_TYPE_CONVERT_UI64_TO_DOUBLE
${VTK_BINARY_DIR}/CMakeTmp
${VTK_CMAKE_DIR}/vtkTestConvertTypes.cxx
COMPILE_DEFINITIONS
-DVTK_TEST_CONVERT_TYPE_FROM=TYPE_UNSIGNED___INT64
-DVTK_TEST_CONVERT_TYPE_TO=double
${_HAVE_DEFS}
OUTPUT_VARIABLE OUTPUT)
IF(VTK_TYPE_CONVERT_UI64_TO_DOUBLE)
MESSAGE(STATUS "Checking whether unsigned __int64 can convert to double -- yes")
SET(VTK_TYPE_CONVERT_UI64_TO_DOUBLE 1 CACHE INTERNAL "Whether unsigned __int64 can convert to double")
FILE(APPEND ${CMAKE_BINARY_DIR}/CMakeFiles/CMakeOutput.log
"Determining whether unsigned __int64 can convert to double "
"passed with the following output:\n"
"${OUTPUT}\n")
ELSE()
MESSAGE(STATUS "Checking whether unsigned __int64 can convert to double -- no")
SET(VTK_TYPE_CONVERT_UI64_TO_DOUBLE 0 CACHE INTERNAL "Whether unsigned __int64 can convert to double")
FILE(APPEND ${CMAKE_BINARY_DIR}/CMakeFiles/CMakeError.log
"Determining whether unsigned __int64 can convert to double "
"failed with the following output:\n"
"${OUTPUT}\n")
ENDIF()
ENDIF()
ENDIF()
ENDIF()
ENDIF()
# Enable the "long long" type if it is available. It is standard in
# C99 and C++03 but not in earlier standards.
SET(VTK_TYPE_USE_LONG_LONG)
IF(VTK_SIZEOF_LONG_LONG)
SET(VTK_TYPE_USE_LONG_LONG 1)
ENDIF()
# Enable the "__int64" type if it is available and unique. It is not
# standard.
SET(VTK_TYPE_USE___INT64)
IF(VTK_SIZEOF___INT64)
IF(NOT VTK_TYPE_SAME_LONG_AND___INT64)
IF(NOT VTK_TYPE_SAME_LONG_LONG_AND___INT64)
SET(VTK_TYPE_USE___INT64 1)
ENDIF()
ENDIF()
ENDIF()
IF(NOT DEFINED VTK_TYPE_CHAR_IS_SIGNED)
MESSAGE(STATUS "Checking signedness of char")
TRY_RUN(VTK_TYPE_CHAR_IS_SIGNED VTK_TYPE_CHAR_IS_SIGNED_COMPILED
${VTK_BINARY_DIR}/CMakeTmp/Char
${VTK_CMAKE_DIR}/vtkTestCharSignedness.cxx)
IF(VTK_TYPE_CHAR_IS_SIGNED_COMPILED)
IF(VTK_TYPE_CHAR_IS_SIGNED)
MESSAGE(STATUS "Checking signedness of char -- signed")
SET(VTK_TYPE_CHAR_IS_SIGNED 1 CACHE INTERNAL "Whether char is signed.")
ELSE()
MESSAGE(STATUS "Checking signedness of char -- unsigned")
SET(VTK_TYPE_CHAR_IS_SIGNED 0 CACHE INTERNAL "Whether char is signed.")
ENDIF()
ELSE()
MESSAGE(STATUS "Checking signedness of char -- failed")
ENDIF()
ENDIF()
|
