@@ -2347,6 +2347,8 @@ PREDEFINED = __cplusplus=202002L \
"_GLIBCXX_END_NAMESPACE_CONTAINER= " \
"_GLIBCXX_END_NAMESPACE_CXX11= " \
"_GLIBCXX_END_NAMESPACE_LDBL= " \
+ "-D_GLIBCXX_BEGIN_INLINE_ABI_NAMESPACE(X)= " \
+ "-D_GLIBCXX_END_INLINE_ABI_NAMESPACE(X)= " \
"_GLIBCXX_TEMPLATE_ARGS=... " \
"_GLIBCXX_DEPRECATED= " \
"_GLIBCXX_DEPRECATED_SUGGEST(E)= " \
@@ -601,13 +601,14 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
_OIter
reverse_copy(_BIter, _BIter, _OIter);
- inline namespace _V2
- {
- template<typename _FIter>
- _GLIBCXX20_CONSTEXPR
- _FIter
- rotate(_FIter, _FIter, _FIter);
- }
+_GLIBCXX_BEGIN_INLINE_ABI_NAMESPACE(_V2)
+
+ template<typename _FIter>
+ _GLIBCXX20_CONSTEXPR
+ _FIter
+ rotate(_FIter, _FIter, _FIter);
+
+_GLIBCXX_END_INLINE_ABI_NAMESPACE(_V2)
template<typename _FIter, typename _OIter>
_GLIBCXX20_CONSTEXPR
@@ -345,13 +345,16 @@ namespace __gnu_cxx
# define _GLIBCXX_DEFAULT_ABI_TAG
#endif
-// Defined if inline namespaces are used for versioning.
+// Non-zero if inline namespaces are used for versioning the entire library.
#define _GLIBCXX_INLINE_VERSION
-// Inline namespace for symbol versioning.
#if _GLIBCXX_INLINE_VERSION
+// Inline namespace for symbol versioning of (nearly) everything in std.
# define _GLIBCXX_BEGIN_NAMESPACE_VERSION namespace __8 {
# define _GLIBCXX_END_NAMESPACE_VERSION }
+// Unused when everything in std is versioned anyway.
+# define _GLIBCXX_BEGIN_INLINE_ABI_NAMESPACE(X)
+# define _GLIBCXX_END_INLINE_ABI_NAMESPACE(X)
namespace std
{
@@ -376,8 +379,12 @@ _GLIBCXX_END_NAMESPACE_VERSION
}
#else
+// Unused.
# define _GLIBCXX_BEGIN_NAMESPACE_VERSION
# define _GLIBCXX_END_NAMESPACE_VERSION
+// Used to version individual components, e.g. std::_V2::error_category.
+# define _GLIBCXX_BEGIN_INLINE_ABI_NAMESPACE(X) inline namespace X {
+# define _GLIBCXX_END_INLINE_ABI_NAMESPACE(X) } // inline namespace X
#endif
// Inline namespaces for special modes: debug, parallel.
@@ -1099,7 +1099,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
// compatibility definitions for previous versions. At some
// point, when these clocks settle down, the inlined namespaces
// can be removed. XXX GLIBCXX_ABI Deprecated
- inline namespace _V2 {
+_GLIBCXX_BEGIN_INLINE_ABI_NAMESPACE(_V2)
/**
* @brief System clock.
@@ -1171,7 +1171,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
*/
using high_resolution_clock = system_clock;
- } // end inline namespace _V2
+_GLIBCXX_END_INLINE_ABI_NAMESPACE(_V2)
#if __cplusplus >= 202002L
/// @addtogroup chrono
@@ -1190,8 +1190,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
return __m;
}
- inline namespace _V2
- {
+_GLIBCXX_BEGIN_INLINE_ABI_NAMESPACE(_V2)
/// This is a helper function for the rotate algorithm.
template<typename _ForwardIterator>
@@ -1398,7 +1397,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
std::__iterator_category(__first));
}
- } // namespace _V2
+_GLIBCXX_END_INLINE_ABI_NAMESPACE(_V2)
/**
* @brief Copy a sequence, rotating its elements.
@@ -234,7 +234,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
void (*_M_cb)(void*);
};
- inline namespace _V2 {
+_GLIBCXX_BEGIN_INLINE_ABI_NAMESPACE(_V2)
/// condition_variable_any
// Like above, but mutex is not required to have try_lock.
@@ -439,7 +439,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
#endif
};
- } // end inline namespace
+_GLIBCXX_END_INLINE_ABI_NAMESPACE(_V2)
/// @} group condition_variables
_GLIBCXX_END_NAMESPACE_VERSION
@@ -77,7 +77,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
#endif // C++17
/// @}
- inline namespace _V2 {
+_GLIBCXX_BEGIN_INLINE_ABI_NAMESPACE(_V2)
/** @addtogroup diagnostics
* @{
@@ -168,7 +168,8 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
_GLIBCXX_CONST const error_category& system_category() noexcept;
/// @}
- } // end inline namespace
+
+_GLIBCXX_END_INLINE_ABI_NAMESPACE(_V2)
/** @addtogroup diagnostics
* @{