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bbbdf54a35
The FundamentalType header needs to know type sizes at preprocessing time. This commit teaches it to avoid using CHECK_TYPE_SIZE because the macro does not work for types whose size varies across architectuers in Mac OS X universal binaries. Fortunately the Mac compilers provide just enough information to detect the needed type sizes during preprocessing. We now use preprocessor macros instead of configuration tests whenever they are available. As a side effect this reduces the number of try-compiles needed with GCC. See issue #9913.
147 lines
5.7 KiB
C
147 lines
5.7 KiB
C
/*============================================================================
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KWSys - Kitware System Library
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Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
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Distributed under the OSI-approved BSD License (the "License");
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see accompanying file Copyright.txt for details.
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This software is distributed WITHOUT ANY WARRANTY; without even the
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implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the License for more information.
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============================================================================*/
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#ifndef @KWSYS_NAMESPACE@_FundamentalType_h
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#define @KWSYS_NAMESPACE@_FundamentalType_h
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#include <@KWSYS_NAMESPACE@/Configure.h>
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/* Redefine all public interface symbol names to be in the proper
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namespace. These macros are used internally to kwsys only, and are
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not visible to user code. Use kwsysHeaderDump.pl to reproduce
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these macros after making changes to the interface. */
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#if !defined(KWSYS_NAMESPACE)
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# define kwsys_ns(x) @KWSYS_NAMESPACE@##x
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# define kwsysEXPORT @KWSYS_NAMESPACE@_EXPORT
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#endif
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#if !@KWSYS_NAMESPACE@_NAME_IS_KWSYS
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# define kwsysFundamentalType kwsys_ns(FundamentalType)
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# define kwsysFundamentalType_Int8 kwsys_ns(FundamentalType_Int8)
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# define kwsysFundamentalType_UInt8 kwsys_ns(FundamentalType_UInt8)
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# define kwsysFundamentalType_Int16 kwsys_ns(FundamentalType_Int16)
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# define kwsysFundamentalType_UInt16 kwsys_ns(FundamentalType_UInt16)
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# define kwsysFundamentalType_Int32 kwsys_ns(FundamentalType_Int32)
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# define kwsysFundamentalType_UInt32 kwsys_ns(FundamentalType_UInt32)
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# define kwsysFundamentalType_Int64 kwsys_ns(FundamentalType_Int64)
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# define kwsysFundamentalType_UInt64 kwsys_ns(FundamentalType_UInt64)
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#endif
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/* The size of fundamental types. Types that do not exist have size 0. */
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@KWSYS_C_CODE_SIZEOF_CHAR@
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@KWSYS_C_CODE_SIZEOF_SHORT@
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@KWSYS_C_CODE_SIZEOF_INT@
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@KWSYS_C_CODE_SIZEOF_LONG@
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@KWSYS_C_CODE_SIZEOF_LONG_LONG@
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@KWSYS_C_CODE_SIZEOF___INT64@
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/* Whether types "long long" and "__int64" are enabled. If a type is
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enabled then it is a unique fundamental type. */
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#define @KWSYS_NAMESPACE@_USE_LONG_LONG @KWSYS_USE_LONG_LONG@
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#define @KWSYS_NAMESPACE@_USE___INT64 @KWSYS_USE___INT64@
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/* Whether type "char" is signed (it may be signed or unsigned). */
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#define @KWSYS_NAMESPACE@_CHAR_IS_SIGNED @KWSYS_CHAR_IS_SIGNED@
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#if defined(__cplusplus)
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extern "C"
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{
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#endif
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/* Select an 8-bit integer type. */
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#if @KWSYS_NAMESPACE@_SIZEOF_CHAR == 1
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typedef signed char kwsysFundamentalType_Int8;
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typedef unsigned char kwsysFundamentalType_UInt8;
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#else
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# error "No native data type can represent an 8-bit integer."
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#endif
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/* Select a 16-bit integer type. */
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#if @KWSYS_NAMESPACE@_SIZEOF_SHORT == 2
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typedef short kwsysFundamentalType_Int16;
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typedef unsigned short kwsysFundamentalType_UInt16;
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#elif @KWSYS_NAMESPACE@_SIZEOF_INT == 2
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typedef int kwsysFundamentalType_Int16;
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typedef unsigned int kwsysFundamentalType_UInt16;
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#else
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# error "No native data type can represent a 16-bit integer."
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#endif
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/* Select a 32-bit integer type. */
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#if @KWSYS_NAMESPACE@_SIZEOF_INT == 4
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typedef int kwsysFundamentalType_Int32;
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typedef unsigned int kwsysFundamentalType_UInt32;
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#elif @KWSYS_NAMESPACE@_SIZEOF_LONG == 4
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typedef long kwsysFundamentalType_Int32;
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typedef unsigned long kwsysFundamentalType_UInt32;
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#else
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# error "No native data type can represent a 32-bit integer."
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#endif
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/* Select a 64-bit integer type. */
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#if @KWSYS_NAMESPACE@_SIZEOF_LONG == 8
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typedef signed long kwsysFundamentalType_Int64;
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typedef unsigned long kwsysFundamentalType_UInt64;
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/* Whether UInt64 can be converted to double. */
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# define @KWSYS_NAMESPACE@_CAN_CONVERT_UI64_TO_DOUBLE 1
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#elif @KWSYS_NAMESPACE@_USE_LONG_LONG && @KWSYS_NAMESPACE@_SIZEOF_LONG_LONG == 8
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typedef signed long long kwsysFundamentalType_Int64;
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typedef unsigned long long kwsysFundamentalType_UInt64;
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/* Whether UInt64 can be converted to double. */
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# define @KWSYS_NAMESPACE@_CAN_CONVERT_UI64_TO_DOUBLE 1
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#elif @KWSYS_NAMESPACE@_USE___INT64 && @KWSYS_NAMESPACE@_SIZEOF___INT64 == 8
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typedef signed __int64 kwsysFundamentalType_Int64;
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typedef unsigned __int64 kwsysFundamentalType_UInt64;
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/* Whether UInt64 can be converted to double. */
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# define @KWSYS_NAMESPACE@_CAN_CONVERT_UI64_TO_DOUBLE @KWSYS_CAN_CONVERT_UI64_TO_DOUBLE@
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#else
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# error "No native data type can represent a 64-bit integer."
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#endif
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#if defined(__cplusplus)
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} /* extern "C" */
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#endif
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/* If we are building a kwsys .c or .cxx file, let it use these macros.
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Otherwise, undefine them to keep the namespace clean. */
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#if !defined(KWSYS_NAMESPACE)
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# undef kwsys_ns
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# undef kwsysEXPORT
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# if !defined(KWSYS_NAMESPACE) && !@KWSYS_NAMESPACE@_NAME_IS_KWSYS
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# undef kwsysFundamentalType
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# undef kwsysFundamentalType_Int8
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# undef kwsysFundamentalType_UInt8
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# undef kwsysFundamentalType_Int16
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# undef kwsysFundamentalType_UInt16
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# undef kwsysFundamentalType_Int32
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# undef kwsysFundamentalType_UInt32
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# undef kwsysFundamentalType_Int64
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# undef kwsysFundamentalType_UInt64
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# endif
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#endif
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/* If building a C or C++ file in kwsys itself, give the source file
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access to the configured macros without a configured namespace. */
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#if defined(KWSYS_NAMESPACE)
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# define KWSYS_SIZEOF_CHAR @KWSYS_NAMESPACE@_SIZEOF_CHAR
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# define KWSYS_SIZEOF_SHORT @KWSYS_NAMESPACE@_SIZEOF_SHORT
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# define KWSYS_SIZEOF_INT @KWSYS_NAMESPACE@_SIZEOF_INT
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# define KWSYS_SIZEOF_LONG @KWSYS_NAMESPACE@_SIZEOF_LONG
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# define KWSYS_SIZEOF_LONG_LONG @KWSYS_NAMESPACE@_SIZEOF_LONG_LONG
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# define KWSYS_SIZEOF___INT64 @KWSYS_NAMESPACE@_SIZEOF___INT64
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# define KWSYS_USE_LONG_LONG @KWSYS_NAMESPACE@_USE_LONG_LONG
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# define KWSYS_USE___INT64 @KWSYS_NAMESPACE@_USE___INT64
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# define KWSYS_CHAR_IS_SIGNED @KWSYS_NAMESPACE@_CHAR_IS_SIGNED
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# define KWSYS_CAN_CONVERT_UI64_TO_DOUBLE @KWSYS_NAMESPACE@_CAN_CONVERT_UI64_TO_DOUBLE
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#endif
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#endif
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