Re: PING [C++ docs patch] PR 56544

[Paolo Carlini]

... I have no committed this simple doc update. Also, a 4_8-branch 
version, attached below.


Thanks,
Paolo.


2013-06-19  Paolo Carlini  paolo.carl...@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.
Index: doc/cpp.texi
===
--- doc/cpp.texi(revision 200192)
+++ doc/cpp.texi(working copy)
@@ -1926,11 +1926,9 @@ 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, or @code{201103L}, per the 2011 C++ standard.
 
 @item __OBJC__
 This macro is defined, with value 1, when the Objective-C compiler is in

PING [C++ docs patch] PR 56544

[Paolo Carlini]

Hi,

On 06/08/2013 10:57 AM, Paolo Carlini wrote:

Hi,

the bug reminds us to update the documentation about the value of 
__cplusplus. I tentatively prepared the below, is it clear enough?


We could probably apply something to the branch too, without the 
-std=c++1y bits, thus end simply like '; or @code{201103L}, per the 
2011 C++ standard' or more verbosely say that with -std=c++1y too the 
value is 201103L.

Is this patch straightforward enough to go in? Opinions about the branch?

Thanks...
Paolo.