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-rw-r--r--include/sys/cdefs.h48
1 files changed, 46 insertions, 2 deletions
diff --git a/include/sys/cdefs.h b/include/sys/cdefs.h
index 3ae52c7a8..18143058f 100644
--- a/include/sys/cdefs.h
+++ b/include/sys/cdefs.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992,93,94,95,96,97,98,99,2000,2001,2002 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2001, 2002 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -85,6 +85,31 @@
#endif
+/* The standard library needs the functions from the ISO C90 standard
+ in the std namespace. At the same time we want to be safe for
+ future changes and we include the ISO C99 code in the non-standard
+ namespace __c99. The C++ wrapper header take case of adding the
+ definitions to the global namespace. */
+#if defined __cplusplus && defined _GLIBCPP_USE_NAMESPACES
+# define __BEGIN_NAMESPACE_STD namespace std {
+# define __END_NAMESPACE_STD }
+# define __USING_NAMESPACE_STD(name) using std::name;
+# define __BEGIN_NAMESPACE_C99 namespace __c99 {
+# define __END_NAMESPACE_C99 }
+# define __USING_NAMESPACE_C99(name) using __c99::name;
+#else
+/* For compatibility we do not add the declarations into any
+ namespace. They will end up in the global namespace which is what
+ old code expects. */
+# define __BEGIN_NAMESPACE_STD
+# define __END_NAMESPACE_STD
+# define __USING_NAMESPACE_STD(name)
+# define __BEGIN_NAMESPACE_C99
+# define __END_NAMESPACE_C99
+# define __USING_NAMESPACE_C99(name)
+#endif
+
+
/* Support for bounded pointers. */
#ifndef __BOUNDED_POINTERS__
# define __bounded /* nothing */
@@ -124,7 +149,8 @@
#if defined __GNUC__ && __GNUC__ >= 2
# define __REDIRECT(name, proto, alias) name proto __asm__ (__ASMNAME (#alias))
-# define __ASMNAME(cname) __C_SYMBOL_PREFIX__ cname
+# define __ASMNAME(cname) __ASMNAME2 (__USER_LABEL_PREFIX__, cname)
+# define __ASMNAME2(prefix, cname) __STRING (prefix) cname
/*
#elif __SOME_OTHER_COMPILER__
@@ -159,6 +185,24 @@
# define __attribute_pure__ /* Ignore */
#endif
+/* At some point during the gcc 3.1 development the `used' attribute
+ for functions was introduced. We don't want to use it unconditionally
+ (although this would be possible) since it generates warnings. */
+#if __GNUC_PREREQ (3,1)
+# define __attribute_used__ __attribute__ ((__used__))
+# define __attribute_noinline__ __attribute__ ((__noinline__))
+#else
+# define __attribute_used__ __attribute__ ((__unused__))
+# define __attribute_noinline__ /* Ignore */
+#endif
+
+/* gcc allows marking deprecated functions. */
+#if __GNUC_PREREQ (3,2)
+# define __attribute_deprecated__ __attribute__ ((__deprecated__))
+#else
+# define __attribute_deprecated__ /* Ignore */
+#endif
+
/* At some point during the gcc 2.8 development the `format_arg' attribute
for functions was introduced. We don't want to use it unconditionally
(although this would be possible) since it generates warnings.