> On 6 Sep 2018, at 12:43, David Barto <ba...@cambridgesemantics.com> wrote: > > For some reason I can’t get Bison-2.7 to run on MacOS 10.13. As I’ve posted > in the past, I need the older version of bison (for the time being) for our > older grammar files. > > Anyone understand why this is happening? The same version of bison running on > 10.10 is just fine.
It might be this issue. Older versions of Bison are unsupported. https://lists.gnu.org/archive/html/bug-bison/2017-09/msg00002.html