On 04 Oct 2015 01:16, hasufell wrote:
> On 10/03/2015 04:13 AM, Mike Frysinger wrote:
> > Title: GCC 5 Defaults to the New C++11 ABI 
> > Author: Mike Frysinger <vapier@gentoo.org>
> > Content-Type: text/plain
> > Posted: 2015-10-02
> > Revision: 1
> > News-Item-Format: 1.0
> > Display-If-Installed: >=sys-devel/gcc-5
> > 
> > GCC 5 uses the new C++ ABI by default.  When building new code, you might run
> > into link time errors like:
> > ...: undefined reference to '_ZNSt6chrono12steady_clock3nowEv@GLIBCXX_3.4.17'
> > Or you might see linkage failures with "std::__cxx11::string" in the output.
> > 
> > These are signs that you need to rebuild packages using the new C++ ABI.
> > You can quickly do so by using revdep-rebuild like so:
> > # revdep-rebuild --library 'libstdc\+\+\.so\.6'
> 
> We shouldn't assume a particular PM/toolset in news items, IMO. Just
> saying that people might have to rebuild packages linked against
> libstdc++.so.6 should be enough.

there's no requirement for you to use revdep-rebuild.  including quick
insns for the common case is a no brainer really.

> They can read the docs if they don't know how.

and they can if the common case doesn't work for them.
-mike