Message ID | 5319F252.3080208@redhat.com |
---|---|
State | New |
Headers | show |
On Mar 7, 2014, at 8:22 AM, Jason Merrill <jason@redhat.com> wrote:
> It's looking very likely that we will have a new C++ standard this year, so I'm going to go ahead and add the -std=c++14 flag for 4.9; I just won't advertise it yet.
Are they any plans to change the default language for C++?
On Sat, Mar 8, 2014 at 8:30 PM, Mike Stump <mikestump@comcast.net> wrote:
> Are they any plans to change the default language for C++?
Probably problematic for compatibility reasons. But how about adding
c++1, g++11, and c++14, and g++14 wrappers similar to c99?
On Mar 9, 2014, at 3:45 AM, Ulrich Drepper <drepper@gmail.com> wrote: > On Sat, Mar 8, 2014 at 8:30 PM, Mike Stump <mikestump@comcast.net> wrote: >> Are they any plans to change the default language for C++? > > Probably problematic for compatibility reasons. But how about adding > c++1, g++11, and c++14, and g++14 wrappers similar to c99? I personally think the wrappers are stupid. I’ve never seen anyone use them, ever.
commit f966b130e3b011c6ac2169472fdf6508b5373eeb Author: Jason Merrill <jason@redhat.com> Date: Wed Mar 5 13:22:47 2014 -0500 * c.opt: Add -std=c++14. diff --git a/gcc/c-family/c.opt b/gcc/c-family/c.opt index aad54e2..93fb7c2 100644 --- a/gcc/c-family/c.opt +++ b/gcc/c-family/c.opt @@ -1349,15 +1349,18 @@ Conform to the ISO 1998 C++ standard revised by the 2003 technical corrigendum std=c++11 C++ ObjC++ -Conform to the ISO 2011 C++ standard (experimental and incomplete support) +Conform to the ISO 2011 C++ standard std=c++0x -C++ ObjC++ Alias(std=c++11) +C++ ObjC++ Alias(std=c++11) Undocumented Deprecated in favor of -std=c++11 std=c++1y C++ ObjC++ -Conform to the ISO 201y(7?) C++ draft standard (experimental and incomplete support) +Conform to the ISO 2014(?) C++ draft standard (experimental and incomplete support) + +std=c++14 +C++ ObjC++ Alias(std=c++1y) Undocumented std=c11 C ObjC diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 4a5caa3..2ee091a 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -1722,14 +1722,12 @@ C++ code. @item c++11 @itemx c++0x -The 2011 ISO C++ standard plus amendments. Support for C++11 is still -experimental, and may change in incompatible ways in future releases. +The 2011 ISO C++ standard plus amendments. The name @samp{c++0x} is deprecated. @item gnu++11 @itemx gnu++0x -GNU dialect of @option{-std=c++11}. Support for C++11 is still -experimental, and may change in incompatible ways in future releases. +GNU dialect of @option{-std=c++11}. The name @samp{gnu++0x} is deprecated. @item c++1y