I'm no longer talking about Cygwin (which builds fine without JIT). I'm now talking about MacOS Catalina, which needs a core dump to debug, but on which nobody seems to know how to enable core dumps. On Tue, Jan 21, 2020 at 1:41 PM szgyg wrote: > On Tue, Jan 21, 2020 at 10:01:58AM +0100, Ludovic Courtès wrote: > > but before that you’d run > > “ulimit -c unlimited” in that shell to make sure there’s a core dumped > > when it crashes. > > This won't work on cygwin. If you want a core dump, you should use the > dumper tool, as described here > https://cygwin.com/cygwin-ug-net/dumper.html > Or you can set error_start to gdb to get an interactive gdb session on > error. > > s > > > >