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171 lines
6.7 KiB
C++
171 lines
6.7 KiB
C++
// -*- C++ -*-
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//
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// $Id: config-g++-common.h 93500 2011-03-07 16:19:27Z vzykov $
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// This configuration file is designed to be included by another,
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// specific configuration file. It provides config information common
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// to all g++ platforms, including egcs.
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#ifndef ACE_GNUG_COMMON_H
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#define ACE_GNUG_COMMON_H
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#include /**/ "ace/pre.h"
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#if !defined (ACE_CC_NAME)
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# define ACE_CC_NAME ACE_TEXT ("g++")
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#endif
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#define ACE_CC_MAJOR_VERSION __GNUC__
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#define ACE_CC_MINOR_VERSION __GNUC_MINOR__
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#define ACE_CC_BETA_VERSION (0)
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#define ACE_HAS_CPLUSPLUS_HEADERS
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#define ACE_HAS_STDCPP_STL_INCLUDES
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#define ACE_HAS_STANDARD_CPP_LIBRARY 1
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#define ACE_HAS_WORKING_EXPLICIT_TEMPLATE_DESTRUCTOR
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#define ACE_USES_STD_NAMESPACE_FOR_STDCPP_LIB 1
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#define ACE_TEMPLATES_REQUIRE_SOURCE
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#if (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4))
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# define ACE_EXPLICIT_TEMPLATE_DESTRUCTOR_TAKES_ARGS
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#endif /* __GNUC__ >= 3.4 */
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#define ACE_NEW_THROWS_EXCEPTIONS
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#if (__GNUC__ >= 4 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 3))
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// Versions of g++ prior to 3.3 had a buggy operator // new(nothrow)[]().
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# define ACE_HAS_NEW_NOTHROW
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#endif /* __GNUC__ >= 3.3 */
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#if (defined (i386) || defined (__i386__)) && !defined (ACE_SIZEOF_LONG_DOUBLE)
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# define ACE_SIZEOF_LONG_DOUBLE 12
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#endif /* i386 */
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#if !defined (__MINGW32__) && (defined (i386) || defined (__i386__))
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// If running an Intel, assume that it's a Pentium so that
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// ACE_OS::gethrtime () can use the RDTSC instruction. If running a
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// 486 or lower, be sure to comment this out. (If not running an
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// Intel CPU, this #define will not be seen because of the i386
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// protection, so it can be ignored.)
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# define ACE_HAS_PENTIUM
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#endif /* i386 */
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#if (defined (ACE_HAS_PENTIUM) || defined (__amd64__) || defined (__x86_64__))
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# define ACE_HAS_INTEL_ASSEMBLY
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#endif
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#if !defined (ACE_HAS_GCC_CONSTRUCTOR_ATTRIBUTE)
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#define ACE_HAS_GCC_CONSTRUCTOR_ATTRIBUTE 1
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#endif
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#if !defined (ACE_HAS_GCC_DESTRUCTOR_ATTRIBUTE)
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#define ACE_HAS_GCC_DESTRUCTOR_ATTRIBUTE 1
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#endif
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#if !defined (ACE_HAS_GCC_DEPRECATED_ATTRIBUTE)
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#define ACE_HAS_GCC_DEPRECATED_ATTRIBUTE 1
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#endif
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#if !defined (ACE_HAS_GCC_FORMAT_ATTRIBUTE)
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#define ACE_HAS_GCC_FORMAT_ATTRIBUTE 1
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#endif
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#if (ACE_HAS_GCC_CONSTRUCTOR_ATTRIBUTE == 1)
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# define ACE_GCC_CONSTRUCTOR_ATTRIBUTE __attribute__ ((constructor))
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#endif
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#if (ACE_HAS_GCC_DESTRUCTOR_ATTRIBUTE == 1)
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# define ACE_GCC_DESTRUCTOR_ATTRIBUTE __attribute__ ((destructor))
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#endif
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#if (ACE_HAS_GCC_DEPRECATED_ATTRIBUTE == 1)
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#define ACE_DEPRECATED __attribute__ ((deprecated))
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#endif
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#if (ACE_HAS_GCC_FORMAT_ATTRIBUTE == 1)
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# define ACE_GCC_FORMAT_ATTRIBUTE(TYPE, STR_INDEX, FIRST_INDEX) \
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__attribute__ ((format (TYPE, STR_INDEX, FIRST_INDEX)))
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#endif
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// GNU g++ >= 4.x implements "#pragma once".
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#if (__GNUC__ < 4) && !defined (ACE_LACKS_PRAGMA_ONCE)
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// We define it with a -D with make depend.
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# define ACE_LACKS_PRAGMA_ONCE
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#endif /* ! ACE_LACKS_PRAGMA_ONCE */
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// Take advantage of G++ (>= 4.x) visibility attributes to generate
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// improved shared library binaries.
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#if (__GNUC__ >= 4) && !defined (__MINGW32__) && !defined (ACE_HAS_CEGCC)
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# if defined (ACE_HAS_CUSTOM_EXPORT_MACROS) && ACE_HAS_CUSTOM_EXPORT_MACROS == 0
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# undef ACE_HAS_CUSTOM_EXPORT_MACROS
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# if defined (ACE_GCC_HAS_TEMPLATE_INSTANTIATION_VISIBILITY_ATTRS)
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# undef ACE_GCC_HAS_TEMPLATE_INSTANTIATION_VISIBILITY_ATTRS
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# endif /* ACE_GCC_HAS_TEMPLATE_INSTANTIATION_VISIBILITY_ATTRS */
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# define ACE_GCC_HAS_TEMPLATE_INSTANTIATION_VISIBILITY_ATTRS 0
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# else
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# ifndef ACE_HAS_CUSTOM_EXPORT_MACROS
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# define ACE_HAS_CUSTOM_EXPORT_MACROS
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# endif /* !ACE_HAS_CUSTOM_EXPORT_MACROS */
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# define ACE_Proper_Export_Flag __attribute__ ((visibility("default")))
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# define ACE_Proper_Import_Flag __attribute__ ((visibility("default")))
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# if (__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 2))
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// Sadly, G++ 4.x silently ignores visibility attributes on
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// template instantiations, which breaks singletons.
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// As a workaround, we use the GCC visibility pragmas.
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// And to make them fit in a macro, we use C99's _Pragma()
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// http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17470
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// This has been fixed in GCC 4.1.1 with FC6 but not with SuSE 10.2
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// that gets shipped with GCC 4.1.2 so we assume that with GCC 4.2
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// this will be fixed on the head. With FC6 just set this define yourself
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# ifndef ACE_GCC_HAS_TEMPLATE_INSTANTIATION_VISIBILITY_ATTRS
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# define ACE_GCC_HAS_TEMPLATE_INSTANTIATION_VISIBILITY_ATTRS 1
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# endif
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# endif
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# if defined (ACE_GCC_HAS_TEMPLATE_INSTANTIATION_VISIBILITY_ATTRS) && ACE_GCC_HAS_TEMPLATE_INSTANTIATION_VISIBILITY_ATTRS == 1
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# define ACE_EXPORT_SINGLETON_DECLARATION(T) template class ACE_Proper_Export_Flag T
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# define ACE_EXPORT_SINGLETON_DECLARE(SINGLETON_TYPE, CLASS, LOCK) template class ACE_Proper_Export_Flag SINGLETON_TYPE <CLASS, LOCK>;
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# else /* ACE_GCC_HAS_TEMPLATE_INSTANTIATION_VISIBILITY_ATTRS */
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# define ACE_EXPORT_SINGLETON_DECLARATION(T) \
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_Pragma ("GCC visibility push(default)") \
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template class T \
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_Pragma ("GCC visibility pop")
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# define ACE_EXPORT_SINGLETON_DECLARE(SINGLETON_TYPE, CLASS, LOCK) \
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_Pragma ("GCC visibility push(default)") \
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template class SINGLETON_TYPE<CLASS, LOCK>; \
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_Pragma ("GCC visibility pop")
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# endif /* ACE_GCC_HAS_TEMPLATE_INSTANTIATION_VISIBILITY_ATTRS */
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// Note that the "__extension__" is needed to prevent g++ from issuing
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// an error when using its "-pedantic" command line flag.
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# define ACE_IMPORT_SINGLETON_DECLARATION(T) __extension__ extern template class T
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# define ACE_IMPORT_SINGLETON_DECLARE(SINGLETON_TYPE, CLASS, LOCK) __extension__ extern template class SINGLETON_TYPE<CLASS, LOCK>;
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# endif /* ACE_HAS_CUSTOM_EXPORT_MACROS == 0 */
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#endif /* __GNU__ >= 4 */
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// GCC >= 4.1 provides __sync_XXXX builtins for use in atomic operations
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// although the builtins are provided globally they are not supported on all platforms
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#if defined (ACE_HAS_THREADS)
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#if (__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 1))
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# if defined (__powerpc__)
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// The builtins seem to be provided for all powerpc platforms
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# define ACE_HAS_GCC_ATOMIC_BUILTINS 1
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# if ((__GNUC__ == 4) && (__GNUC_MINOR__ == 1) && (__GNUC_PATCHLEVEL__ == 1))
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// PPU GCC 4.1.1 doesn't have builtin atomic ops for size 1/2
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# define ACE_LACKS_GCC_ATOMIC_BUILTINS_2
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# define ACE_LACKS_GCC_ATOMIC_BUILTINS_1
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# endif
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# endif
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# if defined (__ia64)
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// The builtins seem to be provided for the IA64 platforms
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# define ACE_HAS_GCC_ATOMIC_BUILTINS 1
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# endif
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# if defined (__amd64__) || defined (__x86_64__)
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// The builtin's are provided also for 64bit linux
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# define ACE_HAS_GCC_ATOMIC_BUILTINS 1
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# endif
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#endif
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#endif /* ACE_HAS_THREADS */
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#include /**/ "ace/post.h"
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#endif /* ACE_GNUG_COMMON_H */
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