Re: [build, doc, v3] Support Sun symbol versioning in libstdc++-v3, rev. 2

[Paolo Carlini <paolo dot carlini at oracle dot com>]

Hi,
> I think I see now what's going on. The following patch should fix it:
> * There was a syntax error in acinclude.m4: a missing ;; in the default
>   case.
>
> * I AC_DEFINE'd the _GLIBCXX_-prefixed symbol in acinclude.m4, while the
>   files under src include c++config.h which adds another level of
>   prefixing.
>
> Could you please test this for me?  I don't have ready access to
> GNU/Linux.
>   
The patch apparently works, I'm finishing regtesting it but abi_check is
back to normality.
> Sorry for the mess.
>   
No problem, your contribution is certainly welcome, but please, in the
future, make sure to *somehow* test on linux too, where versioning s vital.

Thanks,
Paolo.