ACE/ace/config-g++-common.h

   1 // -*- C++ -*-
   2 // This configuration file is designed to be included by another,
   3 // specific configuration file.  It provides config information common
   4 // to all g++ platforms, including egcs.
   5
   6 #ifndef ACE_GNUG_COMMON_H
   7 #define ACE_GNUG_COMMON_H
   8 #include /**/ "ace/pre.h"
   9
  10 #if !defined (ACE_CC_NAME)
  11 # define ACE_CC_NAME ACE_TEXT ("g++")
  12 #endif
  13 #define ACE_CC_MAJOR_VERSION __GNUC__
  14 #define ACE_CC_MINOR_VERSION __GNUC_MINOR__
  15 #define ACE_CC_BETA_VERSION (0)
  16
  17 #if __cplusplus >= 202302L
  18 # define ACE_HAS_CPP23
  19 #endif
  20 #if __cplusplus >= 202002L
  21 # define ACE_HAS_CPP20
  22 #endif
  23 #if __cplusplus >= 201703L
  24 # define ACE_HAS_CPP17
  25 #endif
  26 #if __cplusplus >= 201402L
  27 # define ACE_HAS_CPP14
  28 #endif
  29 #if __cplusplus >= 201103L
  30 # define ACE_HAS_CPP11
  31 #endif
  32
  33 #if (defined (i386) || defined (__i386__)) && !defined (ACE_SIZEOF_LONG_DOUBLE)
  34 # define ACE_SIZEOF_LONG_DOUBLE 12
  35 #endif /* i386 */
  36
  37 #if !defined (__MINGW32__) && (defined (i386) || defined (__i386__))
  38   // If running an Intel, assume that it's a Pentium so that
  39   // ACE_OS::gethrtime () can use the RDTSC instruction.  If running a
  40   // 486 or lower, be sure to comment this out.  (If not running an
  41   // Intel CPU, this #define will not be seen because of the i386
  42   // protection, so it can be ignored.)
  43 # define ACE_HAS_PENTIUM
  44 #endif /* i386 */
  45
  46 #if (defined (ACE_HAS_PENTIUM) || defined (__amd64__) || defined (__x86_64__))
  47 # define ACE_HAS_INTEL_ASSEMBLY
  48 #endif
  49
  50 #if !defined (ACE_HAS_GCC_CONSTRUCTOR_ATTRIBUTE)
  51 #define ACE_HAS_GCC_CONSTRUCTOR_ATTRIBUTE 1
  52 #endif
  53
  54 #if !defined (ACE_HAS_GCC_DESTRUCTOR_ATTRIBUTE)
  55 #define ACE_HAS_GCC_DESTRUCTOR_ATTRIBUTE 1
  56 #endif
  57
  58 #if !defined (ACE_HAS_GCC_FORMAT_ATTRIBUTE)
  59 #define ACE_HAS_GCC_FORMAT_ATTRIBUTE 1
  60 #endif
  61
  62 #if (ACE_HAS_GCC_CONSTRUCTOR_ATTRIBUTE == 1)
  63 # define ACE_GCC_CONSTRUCTOR_ATTRIBUTE __attribute__ ((constructor))
  64 #endif
  65
  66 #if (ACE_HAS_GCC_DESTRUCTOR_ATTRIBUTE == 1)
  67 # define ACE_GCC_DESTRUCTOR_ATTRIBUTE __attribute__ ((destructor))
  68 #endif
  69
  70 #if (ACE_HAS_GCC_FORMAT_ATTRIBUTE == 1)
  71 # define ACE_GCC_FORMAT_ATTRIBUTE(TYPE, STR_INDEX, FIRST_INDEX) \
  72    __attribute__ ((format (TYPE, STR_INDEX, FIRST_INDEX)))
  73 #endif
  74
  75 // Take advantage of g++ visibility attributes to generate
  76 // improved shared library binaries.
  77 #if !defined (__MINGW32__)
  78
  79 # if defined (ACE_HAS_CUSTOM_EXPORT_MACROS) && ACE_HAS_CUSTOM_EXPORT_MACROS == 0
  80 #  undef ACE_HAS_CUSTOM_EXPORT_MACROS
  81 #  if defined (ACE_GCC_HAS_TEMPLATE_INSTANTIATION_VISIBILITY_ATTRS)
  82 #    undef ACE_GCC_HAS_TEMPLATE_INSTANTIATION_VISIBILITY_ATTRS
  83 #  endif /* ACE_GCC_HAS_TEMPLATE_INSTANTIATION_VISIBILITY_ATTRS */
  84 #  define ACE_GCC_HAS_TEMPLATE_INSTANTIATION_VISIBILITY_ATTRS 0
  85 # else
  86 #  ifndef ACE_HAS_CUSTOM_EXPORT_MACROS
  87 #    define ACE_HAS_CUSTOM_EXPORT_MACROS
  88 #  endif  /* !ACE_HAS_CUSTOM_EXPORT_MACROS */
  89 #  ifndef ACE_Proper_Export_Flag
  90 #    define ACE_Proper_Export_Flag __attribute__ ((visibility("default")))
  91 #  endif /* !ACE_Proper_Export_Flag */
  92 #  ifndef ACE_Proper_Import_Flag
  93 #    define ACE_Proper_Import_Flag __attribute__ ((visibility("default")))
  94 #  endif /* !ACE_Proper_Import_Flag */
  95
  96 #  ifndef ACE_GCC_HAS_TEMPLATE_INSTANTIATION_VISIBILITY_ATTRS
  97 #    define ACE_GCC_HAS_TEMPLATE_INSTANTIATION_VISIBILITY_ATTRS 1
  98 #  endif
  99
 100 #  if defined (ACE_GCC_HAS_TEMPLATE_INSTANTIATION_VISIBILITY_ATTRS) && ACE_GCC_HAS_TEMPLATE_INSTANTIATION_VISIBILITY_ATTRS == 1
 101 #   define ACE_EXPORT_SINGLETON_DECLARATION(T) __extension__ extern template class ACE_Proper_Export_Flag T
 102 #   define ACE_EXPORT_SINGLETON_DECLARE(SINGLETON_TYPE, CLASS, LOCK)  __extension__ extern template class ACE_Proper_Export_Flag SINGLETON_TYPE <CLASS, LOCK>;
 103 #   define ACE_HAS_EXPLICIT_TEMPLATE_CLASS_INSTANTIATION
 104 #  else  /* ACE_GCC_HAS_TEMPLATE_INSTANTIATION_VISIBILITY_ATTRS */
 105 #   define ACE_EXPORT_SINGLETON_DECLARATION(T)     \
 106         _Pragma ("GCC visibility push(default)")  \
 107         template class T                          \
 108         _Pragma ("GCC visibility pop")
 109 #   define ACE_EXPORT_SINGLETON_DECLARE(SINGLETON_TYPE, CLASS, LOCK) \
 110         _Pragma ("GCC visibility push(default)")                    \
 111         template class SINGLETON_TYPE<CLASS, LOCK>;                 \
 112         _Pragma ("GCC visibility pop")
 113 #  endif /* ACE_GCC_HAS_TEMPLATE_INSTANTIATION_VISIBILITY_ATTRS */
 114
 115 // Note that the "__extension__" is needed to prevent g++ from issuing
 116 // an error when using its "-pedantic" command line flag.
 117 # define ACE_IMPORT_SINGLETON_DECLARATION(T) __extension__ extern template class T
 118 # define ACE_IMPORT_SINGLETON_DECLARE(SINGLETON_TYPE, CLASS, LOCK) __extension__ extern template class SINGLETON_TYPE<CLASS, LOCK>;
 119
 120 # endif  /* ACE_HAS_CUSTOM_EXPORT_MACROS == 0 */
 121 #endif  /* !__MINGW32__ */
 122
 123 #if defined (ACE_HAS_THREADS)
 124 # if defined (__powerpc__)
 125 // The builtins seem to be provided for all powerpc platforms
 126 #   define ACE_HAS_GCC_ATOMIC_BUILTINS 1
 127 # endif
 128 # if defined (__ia64)
 129 // The builtins seem to be provided for the IA64 platforms
 130 #   define ACE_HAS_GCC_ATOMIC_BUILTINS 1
 131 # endif
 132 # if defined (__amd64__) || defined (__x86_64__)
 133 // The builtin's are provided also for 64bit linux
 134 #   define ACE_HAS_GCC_ATOMIC_BUILTINS 1
 135 # endif
 136 #endif /* ACE_HAS_THREADS */
 137
 138 #define ACE_GCC_NO_RETURN __attribute__ ((__noreturn__))
 139
 140 #include /**/ "ace/post.h"
 141 #endif /* ACE_GNUG_COMMON_H */