Relatively trivial:
aux/parser-internal.h:767:24: error: extra ';' after member function definition
[-Werror,-Wextra-semi]
symbol_type () {};
The fix:
diff -ur bison-3.2.90/data/skeletons/c++.m4 bison/data/skeletons/c++.m4
--- bison-3.2.90/data/skeletons/c++.m4 2019-01-05 06:09:28.0
We are very happy to announce the release of Bison 3.2.90, a beta of
Bison 3.3. Please, use it, stress it, and report results.
It is now possible to annotate rules with their number of expected
conflicts. Bison can be made relocatable. The symbol declaration
syntax was overhauled, and in partic
