[Ping] Port of VTV for Cygwin and MinGW

[H.J. Lu]

On Thu, Jan 29, 2015 at 9:48 AM, H.J. Lu <hjl.tools@gmail.com> wrote:
> On Wed, Jan 28, 2015 at 2:58 PM, Caroline Tice <cmtice@google.com> wrote:
>> Since all the pieces of this patch have been approved, I will commit
>> it later today (since Patrick does not have commit privileges).
>
> I got
>
> configure: error: conditional "VTV_CYGMIN" was never defined.
> Usually this means the macro was only invoked conditionally.
> Makefile:12580: recipe for target 'configure-stage1-target-libstdc++-v3' failed
> make[5]: *** [configure-stage1-target-libstdc++-v3] Error 1

Somehow vtable verify was disabled on Linux:

checking for vtable verify support... no



-- 
H.J.