Hi Akim, > > g++ is version 4.8.2. > > That's a real portability issue: GCC 4.8 supports to_string on GNU/Linux.
Indeed. But not on Solaris... > commit 9114b267a8abbfa593848b3daa73aa72f65c8fbe > Author: Akim Demaille <akim.demai...@gmail.com> > Date: Mon May 20 06:27:55 2019 +0200 > > c++: beware of to_string portability issues > > Reported by Bruno Haible. > http://lists.gnu.org/archive/html/bug-bison/2019-05/msg00033.html > > * m4/bison-cxx-std.m4 (_BISON_CXXSTD_11_snippet): Check it. Your patch fixes the issue. Tested through the 3.4.1 tarball. Thanks! Bruno
