// Predefined symbols and macros -*- C++ -*-
-// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
-// Free Software Foundation, Inc.
+// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
+// 2006, 2007, 2008 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.
-#ifndef _CXXCONFIG
-#define _CXXCONFIG 1
+/** @file c++config.h
+ * This is an internal header file, included by other library headers.
+ * You should not attempt to use it directly.
+ */
+
+#ifndef _GLIBCXX_CXX_CONFIG_H
+#define _GLIBCXX_CXX_CONFIG_H 1
// Pick up any OS-specific definitions.
#include <bits/os_defines.h>
#define __GLIBCXX__
// Macros for visibility.
+// _GLIBCXX_HAVE_ATTRIBUTE_VISIBILITY
+// _GLIBCXX_VISIBILITY_ATTR
#define _GLIBCXX_HAVE_ATTRIBUTE_VISIBILITY
#if _GLIBCXX_HAVE_ATTRIBUTE_VISIBILITY
-#define _GLIBCXX_VISIBILITY(V) __attribute__ ((__visibility__ (#V)))
+# define _GLIBCXX_VISIBILITY_ATTR(V) __attribute__ ((__visibility__ (#V)))
+#else
+# define _GLIBCXX_VISIBILITY_ATTR(V)
+#endif
+
+// Macros for deprecated.
+// _GLIBCXX_DEPRECATED
+// _GLIBCXX_DEPRECATED_ATTR
+#ifndef _GLIBCXX_DEPRECATED
+# define _GLIBCXX_DEPRECATED 1
+#endif
+
+#if defined(__DEPRECATED) && defined(__GXX_EXPERIMENTAL_CXX0X__)
+# define _GLIBCXX_DEPRECATED_ATTR __attribute__ ((__deprecated__))
#else
-#define _GLIBCXX_VISIBILITY(V)
+# define _GLIBCXX_DEPRECATED_ATTR
#endif
-// Macros for controlling various namespace association schemes and modes.
+// Macros for activating various namespace association modes.
+// _GLIBCXX_NAMESPACE_ASSOCIATION_DEBUG
+// _GLIBCXX_NAMESPACE_ASSOCIATION_PARALLEL
+// _GLIBCXX_NAMESPACE_ASSOCIATION_VERSION
+
+// Guide to libstdc++ namespaces.
+/*
+ namespace std
+ {
+ namespace __debug { }
+ namespace __parallel { }
+ namespace __norm { } // __normative, __shadow, __replaced
+ namespace __cxx1998 { }
+
+ namespace tr1 { }
+ }
+*/
+
#ifdef _GLIBCXX_DEBUG
# define _GLIBCXX_NAMESPACE_ASSOCIATION_DEBUG 1
#endif
+#ifdef _GLIBCXX_PARALLEL
+# define _GLIBCXX_NAMESPACE_ASSOCIATION_PARALLEL 1
+#endif
+
#define _GLIBCXX_NAMESPACE_ASSOCIATION_VERSION
-// Macros for namespace scope.
+// Defined if any namespace association modes are active.
+#if _GLIBCXX_NAMESPACE_ASSOCIATION_DEBUG \
+ || _GLIBCXX_NAMESPACE_ASSOCIATION_PARALLEL \
+ || _GLIBCXX_NAMESPACE_ASSOCIATION_VERSION
+# define _GLIBCXX_USE_NAMESPACE_ASSOCIATION 1
+#endif
+
+// Macros for namespace scope. Either namespace std:: or the name
+// of some nested namespace within it.
+// _GLIBCXX_STD
+// _GLIBCXX_STD_D
+// _GLIBCXX_STD_P
+
+//
+// Macros for enclosing namespaces and possibly nested namespaces.
// _GLIBCXX_BEGIN_NAMESPACE
// _GLIBCXX_END_NAMESPACE
// _GLIBCXX_BEGIN_NESTED_NAMESPACE
// _GLIBCXX_END_NESTED_NAMESPACE
-#if _GLIBCXX_NAMESPACE_ASSOCIATION_VERSION
-# define _GLIBCXX_BEGIN_NESTED_NAMESPACE(X, Y) namespace X { namespace Y _GLIBCXX_VISIBILITY(default) {
-# define _GLIBCXX_END_NESTED_NAMESPACE } }
-# define _GLIBCXX_BEGIN_NAMESPACE(X) _GLIBCXX_BEGIN_NESTED_NAMESPACE(X, _6)
-# define _GLIBCXX_END_NAMESPACE _GLIBCXX_END_NESTED_NAMESPACE
+// _GLIBCXX_BEGIN_POTENTIAL_NESTED_NAMESPACE
+// _GLIBCXX_END_POTENTIAL_NESTED_NAMESPACE
+#ifndef _GLIBCXX_USE_NAMESPACE_ASSOCIATION
+# define _GLIBCXX_STD_D _GLIBCXX_STD
+# define _GLIBCXX_STD_P _GLIBCXX_STD
+# define _GLIBCXX_STD std
+# define _GLIBCXX_BEGIN_NESTED_NAMESPACE(X, Y) _GLIBCXX_BEGIN_NAMESPACE(X)
+# define _GLIBCXX_END_NESTED_NAMESPACE _GLIBCXX_END_NAMESPACE
+# define _GLIBCXX_BEGIN_NAMESPACE(X) namespace X _GLIBCXX_VISIBILITY_ATTR(default) {
+# define _GLIBCXX_END_NAMESPACE }
#else
-# define _GLIBCXX_BEGIN_NAMESPACE(X) namespace X _GLIBCXX_VISIBILITY(default) {
-# define _GLIBCXX_END_NAMESPACE }
-# if _GLIBCXX_NAMESPACE_ASSOCIATION_DEBUG
-# define _GLIBCXX_BEGIN_NESTED_NAMESPACE(X, Y) namespace X { namespace Y _GLIBCXX_VISIBILITY(default) {
-# define _GLIBCXX_END_NESTED_NAMESPACE } }
-# else
-# define _GLIBCXX_BEGIN_NESTED_NAMESPACE(X, Y) _GLIBCXX_BEGIN_NAMESPACE(X)
-# define _GLIBCXX_END_NESTED_NAMESPACE _GLIBCXX_END_NAMESPACE
+
+# if _GLIBCXX_NAMESPACE_ASSOCIATION_VERSION // && not anything else
+# define _GLIBCXX_STD_D _GLIBCXX_STD
+# define _GLIBCXX_STD_P _GLIBCXX_STD
+# define _GLIBCXX_STD _6
+# define _GLIBCXX_BEGIN_NAMESPACE(X) _GLIBCXX_BEGIN_NESTED_NAMESPACE(X, _6)
+# define _GLIBCXX_END_NAMESPACE _GLIBCXX_END_NESTED_NAMESPACE
+# endif
+
+// debug
+# if _GLIBCXX_NAMESPACE_ASSOCIATION_DEBUG && !_GLIBCXX_NAMESPACE_ASSOCIATION_PARALLEL
+# define _GLIBCXX_STD_D __norm
+# define _GLIBCXX_STD_P _GLIBCXX_STD
+# define _GLIBCXX_STD __cxx1998
+# define _GLIBCXX_BEGIN_NAMESPACE(X) namespace X _GLIBCXX_VISIBILITY_ATTR(default) {
+# define _GLIBCXX_END_NAMESPACE }
+# define _GLIBCXX_EXTERN_TEMPLATE 0
# endif
+
+// parallel
+# if _GLIBCXX_NAMESPACE_ASSOCIATION_PARALLEL && !_GLIBCXX_NAMESPACE_ASSOCIATION_DEBUG
+# define _GLIBCXX_STD_D _GLIBCXX_STD
+# define _GLIBCXX_STD_P __norm
+# define _GLIBCXX_STD __cxx1998
+# define _GLIBCXX_BEGIN_NAMESPACE(X) namespace X _GLIBCXX_VISIBILITY_ATTR(default) {
+# define _GLIBCXX_END_NAMESPACE }
+# define _GLIBCXX_EXTERN_TEMPLATE 0
+# endif
+
+// debug + parallel
+# if _GLIBCXX_NAMESPACE_ASSOCIATION_PARALLEL && _GLIBCXX_NAMESPACE_ASSOCIATION_DEBUG
+# define _GLIBCXX_STD_D __norm
+# define _GLIBCXX_STD_P __norm
+# define _GLIBCXX_STD __cxx1998
+# define _GLIBCXX_BEGIN_NAMESPACE(X) namespace X _GLIBCXX_VISIBILITY_ATTR(default) {
+# define _GLIBCXX_END_NAMESPACE }
+# define _GLIBCXX_EXTERN_TEMPLATE 0
+# endif
+
+# if __NO_INLINE__ && !__GXX_WEAK__
+# warning currently using namespace associated mode which may fail \
+ without inlining due to lack of weak symbols
+# endif
+
+# define _GLIBCXX_BEGIN_NESTED_NAMESPACE(X, Y) namespace X { namespace Y _GLIBCXX_VISIBILITY_ATTR(default) {
+# define _GLIBCXX_END_NESTED_NAMESPACE } }
+#endif
+
+// Namespace associations for debug mode.
+#if _GLIBCXX_NAMESPACE_ASSOCIATION_DEBUG
+namespace std
+{
+ namespace __norm { }
+ inline namespace __debug { }
+ inline namespace __cxx1998 { }
+}
+#endif
+
+// Namespace associations for parallel mode.
+#if _GLIBCXX_NAMESPACE_ASSOCIATION_PARALLEL
+namespace std
+{
+ namespace __norm { }
+ inline namespace __parallel { }
+ inline namespace __cxx1998 { }
+}
#endif
// Namespace associations for versioning mode.
#if _GLIBCXX_NAMESPACE_ASSOCIATION_VERSION
namespace std
{
- namespace _6 { }
- using namespace _6 __attribute__ ((strong));
+ inline namespace _6 { }
}
-// In addition, other supported namespace configurations.
namespace __gnu_cxx
{
- namespace _6 { }
- using namespace _6 __attribute__ ((strong));
+ inline namespace _6 { }
}
namespace std
{
namespace tr1
{
- namespace _6 { }
- using namespace _6 __attribute__ ((strong));
+ inline namespace _6 { }
}
}
#endif
-// Namespace associations for debug mode.
-#if _GLIBCXX_NAMESPACE_ASSOCIATION_DEBUG
-namespace std
-{
- namespace __norm { }
- namespace __debug { }
- using namespace __debug __attribute__ ((strong));
-}
-
-namespace __gnu_cxx
-{
- namespace __norm { }
- namespace __debug { }
- using namespace __debug __attribute__ ((strong));
-}
-
-# define _GLIBCXX_STD __norm
-# define _GLIBCXX_EXT __norm
-# define _GLIBCXX_EXTERN_TEMPLATE 0
-# if __NO_INLINE__ && !__GXX_WEAK__
-# warning debug mode without inlining may fail due to lack of weak symbols
-# endif
-#else
-#if _GLIBCXX_NAMESPACE_ASSOCIATION_VERSION
-# define _GLIBCXX_STD _6
-# define _GLIBCXX_EXT _6
+// Defines for C compatibility. In particular, define extern "C"
+// linkage only when using C++, same with namespaces.
+#if __cplusplus
+# define _GLIBCXX_BEGIN_EXTERN_C extern "C" {
+# define _GLIBCXX_END_EXTERN_C }
#else
-# define _GLIBCXX_STD std
-# define _GLIBCXX_EXT __gnu_cxx
-#endif
+# define _GLIBCXX_BEGIN_EXTERN_C
+# define _GLIBCXX_END_EXTERN_C
+# undef _GLIBCXX_BEGIN_NAMESPACE
+# undef _GLIBCXX_END_NAMESPACE
+# define _GLIBCXX_BEGIN_NAMESPACE(X)
+# define _GLIBCXX_END_NAMESPACE
#endif
-/* Define if compatibility should be provided for -mlong-double-64. */
+// Define if compatibility should be provided for -mlong-double-64.
#undef _GLIBCXX_LONG_DOUBLE_COMPAT
// XXX GLIBCXX_ABI Deprecated
# define _GLIBCXX_LDBL_NAMESPACE __gnu_cxx_ldbl128::
# define _GLIBCXX_BEGIN_LDBL_NAMESPACE namespace __gnu_cxx_ldbl128 {
# define _GLIBCXX_END_LDBL_NAMESPACE }
- namespace __gnu_cxx_ldbl128 { }
- using namespace __gnu_cxx_ldbl128 __attribute__((__strong__));
+ inline namespace __gnu_cxx_ldbl128 { }
#else
# define _GLIBCXX_LDBL_NAMESPACE
# define _GLIBCXX_BEGIN_LDBL_NAMESPACE
# define _GLIBCXX_WEAK_DEFINITION
#endif
+// Macro used to indicate that the native "C" includes, when compiled
+// as "C++", have declarations in namespace std and not the global
+// namespace. Note, this is unrelated to possible "C" compatibility
+// includes that inject C90/C99 names into the global namespace.
+#if __cplusplus == 199711L
+# define _GLIBCXX_NAMESPACE_GLOBAL_INJECTION 1
+#endif
+
// The remainder of the prewritten config is automatic; all the
// user hooks are listed above.
OSDN Git Service
