ENH: Added CPU.h to KWSys to identify the target CPU and its byte order.
This commit is contained in:
Brad King
parent
e840a9dff3
commit
4a40fe43e3
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@ -138,6 +138,7 @@ IF(KWSYS_STANDALONE OR CMake_SOURCE_DIR)
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SET(KWSYS_USE_DateStamp 1)
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SET(KWSYS_USE_String 1)
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SET(KWSYS_USE_SystemInformation 1)
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SET(KWSYS_USE_CPU 1)
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ENDIF(KWSYS_STANDALONE OR CMake_SOURCE_DIR)
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# Setup the large file support default.
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@ -651,7 +652,9 @@ FOREACH(cpp ${cppclasses})
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ENDFOREACH(cpp)
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# Add selected C components.
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FOREACH(c Process Base64 FundamentalType MD5 Terminal System DateStamp String)
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FOREACH(c
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Process Base64 FundamentalType MD5 Terminal System DateStamp String CPU
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)
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IF(KWSYS_USE_${c})
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# Use the corresponding header file.
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SET(KWSYS_H_FILES ${KWSYS_H_FILES} ${c})
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@ -0,0 +1,111 @@
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/*=========================================================================
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Program: KWSys - Kitware System Library
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Module: $RCSfile$
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Copyright (c) Kitware, Inc., Insight Consortium. All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notices for more information.
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=========================================================================*/
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#ifndef @KWSYS_NAMESPACE@_CPU_h
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#define @KWSYS_NAMESPACE@_CPU_h
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#include <@KWSYS_NAMESPACE@/Configure.h>
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/* Identify possible endian cases. The macro
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@KWSYS_NAMESPACE@_CPU_ENDIAN_ID will be defined to one of these, or
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0 if unknown. */
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#define @KWSYS_NAMESPACE@_CPU_ENDIAN_ID_BIG 4321
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#define @KWSYS_NAMESPACE@_CPU_ENDIAN_ID_LITTLE 1234
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/* Apple always defines one of these. */
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#if defined(__LITTLE_ENDIAN__)
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# define @KWSYS_NAMESPACE@_CPU_ENDIAN_ID @KWSYS_NAMESPACE@_CPU_ENDIAN_ID_LITTLE
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#elif defined(__BIG_ENDIAN__)
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# define @KWSYS_NAMESPACE@_CPU_ENDIAN_ID @KWSYS_NAMESPACE@_CPU_ENDIAN_ID_BIG
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/* Alpha */
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#elif defined(__alpha) || defined(__alpha__) || defined(_M_ALPHA)
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# define @KWSYS_NAMESPACE@_CPU_ENDIAN_ID @KWSYS_NAMESPACE@_CPU_ENDIAN_ID_LITTLE__
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/* Intel x86 */
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#elif defined(__i386) || defined(__i386__) || defined(_M_IX86)
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# define @KWSYS_NAMESPACE@_CPU_ENDIAN_ID @KWSYS_NAMESPACE@_CPU_ENDIAN_ID_LITTLE
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#elif defined(_X86_) || defined(__THW_INTEL__) || defined(__I86__)
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# define @KWSYS_NAMESPACE@_CPU_ENDIAN_ID @KWSYS_NAMESPACE@_CPU_ENDIAN_ID_LITTLE
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#elif defined(__MWERKS__) && defined(__INTEL__)
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# define @KWSYS_NAMESPACE@_CPU_ENDIAN_ID @KWSYS_NAMESPACE@_CPU_ENDIAN_ID_LITTLE
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/* Intel x86-64 */
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#elif defined(__x86_64) || defined(__x86_64__) || defined(_M_X64)
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# define @KWSYS_NAMESPACE@_CPU_ENDIAN_ID @KWSYS_NAMESPACE@_CPU_ENDIAN_ID_LITTLE
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#elif defined(__amd64) || defined(__amd64__)
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# define @KWSYS_NAMESPACE@_CPU_ENDIAN_ID @KWSYS_NAMESPACE@_CPU_ENDIAN_ID_LITTLE
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/* Intel Architecture-64 (Itanium) */
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#elif defined(__ia64) || defined(__ia64__)
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# define @KWSYS_NAMESPACE@_CPU_ENDIAN_ID @KWSYS_NAMESPACE@_CPU_ENDIAN_ID_LITTLE
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#elif defined(_IA64) || defined(__IA64__) || defined(_M_IA64)
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# define @KWSYS_NAMESPACE@_CPU_ENDIAN_ID @KWSYS_NAMESPACE@_CPU_ENDIAN_ID_LITTLE
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/* PowerPC */
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#elif defined(__powerpc) || defined(__powerpc__)
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# define @KWSYS_NAMESPACE@_CPU_ENDIAN_ID @KWSYS_NAMESPACE@_CPU_ENDIAN_ID_BIG
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#elif defined(__ppc) || defined(__ppc__) || defined(__POWERPC__)
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# define @KWSYS_NAMESPACE@_CPU_ENDIAN_ID @KWSYS_NAMESPACE@_CPU_ENDIAN_ID_BIG
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/* SPARC */
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#elif defined(__sparc) || defined(__sparc__)
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# define @KWSYS_NAMESPACE@_CPU_ENDIAN_ID @KWSYS_NAMESPACE@_CPU_ENDIAN_ID_BIG
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/* HP/PA RISC */
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#elif defined(__hppa) || defined(__hppa__)
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# define @KWSYS_NAMESPACE@_CPU_ENDIAN_ID @KWSYS_NAMESPACE@_CPU_ENDIAN_ID_BIG
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/* Motorola 68k */
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#elif defined(__m68k__) || defined(M68000)
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# define @KWSYS_NAMESPACE@_CPU_ENDIAN_ID @KWSYS_NAMESPACE@_CPU_ENDIAN_ID_BIG
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/* MIPS */
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#elif defined(__mips) || defined(__mips__) || defined(__MIPS__)
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# define @KWSYS_NAMESPACE@_CPU_ENDIAN_ID @KWSYS_NAMESPACE@_CPU_ENDIAN_ID_BIG
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/* RS/6000 */
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#elif defined(__THW_RS600) || defined(_IBMR2) || defined(_POWER)
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# define @KWSYS_NAMESPACE@_CPU_ENDIAN_ID @KWSYS_NAMESPACE@_CPU_ENDIAN_ID_BIG
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#elif defined(_ARCH_PWR) || defined(_ARCH_PWR2)
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# define @KWSYS_NAMESPACE@_CPU_ENDIAN_ID @KWSYS_NAMESPACE@_CPU_ENDIAN_ID_BIG
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/* System/370 */
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#elif defined(__370__) || defined(__THW_370__)
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# define @KWSYS_NAMESPACE@_CPU_ENDIAN_ID @KWSYS_NAMESPACE@_CPU_ENDIAN_ID_BIG
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/* System/390 */
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#elif defined(__s390__) || defined(__s390x__)
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# define @KWSYS_NAMESPACE@_CPU_ENDIAN_ID @KWSYS_NAMESPACE@_CPU_ENDIAN_ID_BIG
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/* z/Architecture */
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#elif defined(__SYSC_ZARCH__)
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# define @KWSYS_NAMESPACE@_CPU_ENDIAN_ID @KWSYS_NAMESPACE@_CPU_ENDIAN_ID_BIG
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/* Unknown CPU */
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#else
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# define @KWSYS_NAMESPACE@_CPU_ENDIAN_ID 0
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# if !defined(@KWSYS_NAMESPACE@_CPU_UNKNOWN_OKAY)
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# error "The target CPU architecture is not known."
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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 macros without a configured namespace. */
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#if defined(KWSYS_NAMESPACE)
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# define KWSYS_CPU_ENDIAN_ID @KWSYS_NAMESPACE@_CPU_ENDIAN_ID
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# define KWSYS_CPU_ENDIAN_ID_BIG @KWSYS_NAMESPACE@_CPU_ENDIAN_ID_BIG
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# define KWSYS_CPU_ENDIAN_ID_LITTLE @KWSYS_NAMESPACE@_CPU_ENDIAN_ID_LITTLE
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#endif
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#endif
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