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| author | Paolo Carlini <paolo.carlini@oracle.com> | 2013-06-19 09:03:07 +0000 |
|---|---|---|
| committer | Paolo Carlini <paolo@gcc.gnu.org> | 2013-06-19 09:03:07 +0000 |
| commit | e952afba8fccca783802218ecaa3518f8dfc8aaa (patch) | |
| tree | e0fe9964848ac1bdac6ac425134f10b011ce08aa /gcc | |
| parent | 6be8258d837c78d23026d1b1c57252ef790b8e3d (diff) | |
| download | gcc-e952afba8fccca783802218ecaa3518f8dfc8aaa.zip gcc-e952afba8fccca783802218ecaa3518f8dfc8aaa.tar.gz gcc-e952afba8fccca783802218ecaa3518f8dfc8aaa.tar.bz2 | |
re PR c++/56544 (documentation for __cplusplus is out of date)
2013-06-19 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/56544
* doc/cpp.texi [Standard Predefined Macros, __cplusplus]: Document
that now in C++ the value is correct per the C++ standards.
From-SVN: r200193
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/doc/cpp.texi | 10 |
2 files changed, 11 insertions, 5 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index c12d842..53a6cde 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2013-06-19 Paolo Carlini <paolo.carlini@oracle.com> + + PR c++/56544 + * doc/cpp.texi [Standard Predefined Macros, __cplusplus]: Document + that now in C++ the value is correct per the C++ standards. + 2013-06-19 Richard Biener <rguenther@suse.de> * expr.c (expand_expr_real_1): Use SCOPE_FILE_SCOPE_P to check diff --git a/gcc/doc/cpp.texi b/gcc/doc/cpp.texi index c605b3b..7ff04cd 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 |