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Diffstat (limited to 'gcc/doc/cpp.texi')
| -rw-r--r-- | gcc/doc/cpp.texi | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/gcc/doc/cpp.texi b/gcc/doc/cpp.texi index c605b3bcf50..7ff04cde765 100644 --- a/gcc/doc/cpp.texi +++ b/gcc/doc/cpp.texi @@ -1926,11 +1926,11 @@ facilities of the standard C library available. This macro is defined when the C++ compiler is in use. You can use @code{__cplusplus} to test whether a header is compiled by a C compiler or a C++ compiler. This macro is similar to @code{__STDC_VERSION__}, in -that it expands to a version number. A fully conforming implementation -of the 1998 C++ standard will define this macro to @code{199711L}. The -GNU C++ compiler is not yet fully conforming, so it uses @code{1} -instead. It is hoped to complete the implementation of standard C++ -in the near future. +that it expands to a version number. Depending on the language standard +selected, the value of the macro is @code{199711L}, as mandated by the +1998 C++ standard; @code{201103L}, per the 2011 C++ standard; an +unspecified value strictly larger than @code{201103L} for the experimental +languages enabled by @option{-std=c++1y} and @option{-std=gnu++1y}. @item __OBJC__ This macro is defined, with value 1, when the Objective-C compiler is in |