// -*- C++ -*- // This configuration file is designed to be included by another, // specific configuration file. It provides config information common // to all g++ platforms, including egcs. #ifndef ACE_GNUG_COMMON_H #define ACE_GNUG_COMMON_H #include /**/ "ace/pre.h" #if !defined (ACE_CC_NAME) # define ACE_CC_NAME ACE_TEXT ("g++") #endif #define ACE_CC_MAJOR_VERSION __GNUC__ #define ACE_CC_MINOR_VERSION __GNUC_MINOR__ #define ACE_CC_BETA_VERSION (0) #define ACE_HAS_CPLUSPLUS_HEADERS #define ACE_HAS_STDCPP_STL_INCLUDES #define ACE_HAS_STANDARD_CPP_LIBRARY 1 #define ACE_HAS_WORKING_EXPLICIT_TEMPLATE_DESTRUCTOR #define ACE_USES_STD_NAMESPACE_FOR_STDCPP_LIB 1 #define ACE_TEMPLATES_REQUIRE_SOURCE #if (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)) # define ACE_EXPLICIT_TEMPLATE_DESTRUCTOR_TAKES_ARGS #endif /* __GNUC__ >= 3.4 */ #define ACE_NEW_THROWS_EXCEPTIONS #if (__GNUC__ >= 4 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 3)) // Versions of g++ prior to 3.3 had a buggy operator // new(nothrow)[](). # define ACE_HAS_NEW_NOTHROW #endif /* __GNUC__ >= 3.3 */ #if __cplusplus >= 202002L # define ACE_HAS_CPP20 #endif #if __cplusplus >= 201703L # define ACE_HAS_CPP17 # define ACE_FALLTHROUGH [[fallthrough]] #endif #if __cplusplus >= 201402L # define ACE_HAS_CPP14 #endif #if __cplusplus >= 201103L # define ACE_HAS_CPP11 # if !defined (ACE_FALLTHROUGH) # if __GNUC__ >= 7 # define ACE_FALLTHROUGH [[gnu::fallthrough]] # else # define ACE_FALLTHROUGH # endif # endif #endif #if (defined (i386) || defined (__i386__)) && !defined (ACE_SIZEOF_LONG_DOUBLE) # define ACE_SIZEOF_LONG_DOUBLE 12 #endif /* i386 */ #if !defined (__MINGW32__) && (defined (i386) || defined (__i386__)) // If running an Intel, assume that it's a Pentium so that // ACE_OS::gethrtime () can use the RDTSC instruction. If running a // 486 or lower, be sure to comment this out. (If not running an // Intel CPU, this #define will not be seen because of the i386 // protection, so it can be ignored.) # define ACE_HAS_PENTIUM #endif /* i386 */ #if (defined (ACE_HAS_PENTIUM) || defined (__amd64__) || defined (__x86_64__)) # define ACE_HAS_INTEL_ASSEMBLY #endif #if !defined (ACE_HAS_GCC_CONSTRUCTOR_ATTRIBUTE) #define ACE_HAS_GCC_CONSTRUCTOR_ATTRIBUTE 1 #endif #if !defined (ACE_HAS_GCC_DESTRUCTOR_ATTRIBUTE) #define ACE_HAS_GCC_DESTRUCTOR_ATTRIBUTE 1 #endif #if !defined (ACE_HAS_GCC_DEPRECATED_ATTRIBUTE) #define ACE_HAS_GCC_DEPRECATED_ATTRIBUTE 1 #endif #if !defined (ACE_HAS_GCC_FORMAT_ATTRIBUTE) #define ACE_HAS_GCC_FORMAT_ATTRIBUTE 1 #endif #if (ACE_HAS_GCC_CONSTRUCTOR_ATTRIBUTE == 1) # define ACE_GCC_CONSTRUCTOR_ATTRIBUTE __attribute__ ((constructor)) #endif #if (ACE_HAS_GCC_DESTRUCTOR_ATTRIBUTE == 1) # define ACE_GCC_DESTRUCTOR_ATTRIBUTE __attribute__ ((destructor)) #endif #if (ACE_HAS_GCC_DEPRECATED_ATTRIBUTE == 1) #define ACE_DEPRECATED __attribute__ ((deprecated)) #endif #if (ACE_HAS_GCC_FORMAT_ATTRIBUTE == 1) # define ACE_GCC_FORMAT_ATTRIBUTE(TYPE, STR_INDEX, FIRST_INDEX) \ __attribute__ ((format (TYPE, STR_INDEX, FIRST_INDEX))) #endif // GNU g++ >= 4.x implements "#pragma once". #if (__GNUC__ < 4) && !defined (ACE_LACKS_PRAGMA_ONCE) // We define it with a -D with make depend. # define ACE_LACKS_PRAGMA_ONCE #endif /* ! ACE_LACKS_PRAGMA_ONCE */ // Take advantage of G++ (>= 4.x) visibility attributes to generate // improved shared library binaries. #if (__GNUC__ >= 4) && !defined (__MINGW32__) && !defined (ACE_HAS_CEGCC) # if defined (ACE_HAS_CUSTOM_EXPORT_MACROS) && ACE_HAS_CUSTOM_EXPORT_MACROS == 0 # undef ACE_HAS_CUSTOM_EXPORT_MACROS # if defined (ACE_GCC_HAS_TEMPLATE_INSTANTIATION_VISIBILITY_ATTRS) # undef ACE_GCC_HAS_TEMPLATE_INSTANTIATION_VISIBILITY_ATTRS # endif /* ACE_GCC_HAS_TEMPLATE_INSTANTIATION_VISIBILITY_ATTRS */ # define ACE_GCC_HAS_TEMPLATE_INSTANTIATION_VISIBILITY_ATTRS 0 # else # ifndef ACE_HAS_CUSTOM_EXPORT_MACROS # define ACE_HAS_CUSTOM_EXPORT_MACROS # endif /* !ACE_HAS_CUSTOM_EXPORT_MACROS */ # ifndef ACE_Proper_Export_Flag # define ACE_Proper_Export_Flag __attribute__ ((visibility("default"))) # endif /* !ACE_Proper_Export_Flag */ # ifndef ACE_Proper_Import_Flag # define ACE_Proper_Import_Flag __attribute__ ((visibility("default"))) # endif /* !ACE_Proper_Import_Flag */ # if (__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 2)) // Sadly, G++ 4.x silently ignores visibility attributes on // template instantiations, which breaks singletons. // As a workaround, we use the GCC visibility pragmas. // And to make them fit in a macro, we use C99's _Pragma() // http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17470 // This has been fixed in GCC 4.1.1 with FC6 but not with SuSE 10.2 // that gets shipped with GCC 4.1.2 so we assume that with GCC 4.2 // this will be fixed on the head. With FC6 just set this define yourself # ifndef ACE_GCC_HAS_TEMPLATE_INSTANTIATION_VISIBILITY_ATTRS # define ACE_GCC_HAS_TEMPLATE_INSTANTIATION_VISIBILITY_ATTRS 1 # endif # endif # if defined (ACE_GCC_HAS_TEMPLATE_INSTANTIATION_VISIBILITY_ATTRS) && ACE_GCC_HAS_TEMPLATE_INSTANTIATION_VISIBILITY_ATTRS == 1 # define ACE_EXPORT_SINGLETON_DECLARATION(T) __extension__ extern template class ACE_Proper_Export_Flag T # define ACE_EXPORT_SINGLETON_DECLARE(SINGLETON_TYPE, CLASS, LOCK) __extension__ extern template class ACE_Proper_Export_Flag SINGLETON_TYPE ; # define ACE_HAS_EXPLICIT_TEMPLATE_CLASS_INSTANTIATION # else /* ACE_GCC_HAS_TEMPLATE_INSTANTIATION_VISIBILITY_ATTRS */ # define ACE_EXPORT_SINGLETON_DECLARATION(T) \ _Pragma ("GCC visibility push(default)") \ template class T \ _Pragma ("GCC visibility pop") # define ACE_EXPORT_SINGLETON_DECLARE(SINGLETON_TYPE, CLASS, LOCK) \ _Pragma ("GCC visibility push(default)") \ template class SINGLETON_TYPE; \ _Pragma ("GCC visibility pop") # endif /* ACE_GCC_HAS_TEMPLATE_INSTANTIATION_VISIBILITY_ATTRS */ // Note that the "__extension__" is needed to prevent g++ from issuing // an error when using its "-pedantic" command line flag. # define ACE_IMPORT_SINGLETON_DECLARATION(T) __extension__ extern template class T # define ACE_IMPORT_SINGLETON_DECLARE(SINGLETON_TYPE, CLASS, LOCK) __extension__ extern template class SINGLETON_TYPE; # endif /* ACE_HAS_CUSTOM_EXPORT_MACROS == 0 */ #endif /* __GNU__ >= 4 */ // GCC >= 4.1 provides __sync_XXXX builtins for use in atomic operations // although the builtins are provided globally they are not supported on all platforms #if defined (ACE_HAS_THREADS) #if (__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 1)) # if defined (__powerpc__) // The builtins seem to be provided for all powerpc platforms # define ACE_HAS_GCC_ATOMIC_BUILTINS 1 # if ((__GNUC__ == 4) && (__GNUC_MINOR__ == 1) && (__GNUC_PATCHLEVEL__ == 1)) // PPU GCC 4.1.1 doesn't have builtin atomic ops for size 1/2 # define ACE_LACKS_GCC_ATOMIC_BUILTINS_2 # define ACE_LACKS_GCC_ATOMIC_BUILTINS_1 # endif # endif # if defined (__ia64) // The builtins seem to be provided for the IA64 platforms # define ACE_HAS_GCC_ATOMIC_BUILTINS 1 # endif # if defined (__amd64__) || defined (__x86_64__) // The builtin's are provided also for 64bit linux # define ACE_HAS_GCC_ATOMIC_BUILTINS 1 # endif #endif #endif /* ACE_HAS_THREADS */ #if (__GNUC__ > 2) || ((__GNUC__ == 2) && (__GNUC_MINOR__ >= 5)) # define ACE_GCC_NO_RETURN __attribute__ ((__noreturn__)) #endif #include /**/ "ace/post.h" #endif /* ACE_GNUG_COMMON_H */