diff options
Diffstat (limited to 'libstdc++-v3/include/c_compatibility/fenv.h')
| -rw-r--r-- | libstdc++-v3/include/c_compatibility/fenv.h | 36 |
1 files changed, 26 insertions, 10 deletions
diff --git a/libstdc++-v3/include/c_compatibility/fenv.h b/libstdc++-v3/include/c_compatibility/fenv.h index 44661d72c02..f24a217b8f5 100644 --- a/libstdc++-v3/include/c_compatibility/fenv.h +++ b/libstdc++-v3/include/c_compatibility/fenv.h @@ -1,6 +1,6 @@ // -*- C++ -*- compatibility header. -// Copyright (C) 2007 Free Software Foundation, Inc. +// Copyright (C) 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 @@ -31,17 +31,33 @@ * This is a Standard C++ Library header. */ +#ifndef _GLIBCXX_FENV_H +#define _GLIBCXX_FENV_H 1 + +#pragma GCC system_header + #include <bits/c++config.h> +#if _GLIBCXX_HAVE_FENV_H +# include_next <fenv.h> +#endif #ifdef __GXX_EXPERIMENTAL_CXX0X__ -# include <cfenv> -#else -# if _GLIBCXX_HAVE_FENV_H -# include_next <fenv.h> -# endif +# if defined(_GLIBCXX_INCLUDE_AS_TR1) +# error C++0x header cannot be included from TR1 header +# endif +# if defined(_GLIBCXX_INCLUDE_AS_CXX0X) +# include <tr1_impl/cfenv> +# else +# define _GLIBCXX_INCLUDE_AS_CXX0X +# define _GLIBCXX_BEGIN_NAMESPACE_TR1 +# define _GLIBCXX_END_NAMESPACE_TR1 +# define _GLIBCXX_TR1 +# include <tr1_impl/cfenv> +# undef _GLIBCXX_TR1 +# undef _GLIBCXX_END_NAMESPACE_TR1 +# undef _GLIBCXX_BEGIN_NAMESPACE_TR1 +# undef _GLIBCXX_INCLUDE_AS_CXX0X +# endif #endif -#ifndef _GLIBCXX_FENV_H -#define _GLIBCXX_FENV_H 1 - -#endif +#endif // _GLIBCXX_FENV_H |