> On 8 Apr 2018, at 23:05, Frank Heckenbach <f.heckenb...@fh-soft.de> wrote:
> Following the discussion starting in
> http://lists.gnu.org/archive/html/bug-bison/2018-03/msg00002.html
> I have implemented a Bison skeleton for C++17 supporting features
> such as move semantics and std::variant, based on the existing C++
> skeleton. It is included in this mail.

(As for the Makefile might have 'CXX = g++': My GCC7 is not named 'g++-7'.)

The option
  %define extra_header_prefix {calc-c++17-}
does not seem to work: I got both location.hh and position.hh. To compile the 
example, I had to change  the first to calc-c++17-location.hh and keeping the 
name of the second.

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