On 8/17/21 11:06 AM, Evan Miller wrote:
> Using grep 3.7 (as well as master), I'm seeing undefined symbol errors after pointing the build to use a local installation of libsigsegv (version 2.13).

Thanks for reporting that. It's a bug in Gnulib's c-stack module, which 
I fixed in Gnulib by installing the attached. The problem should be 
fixed in the next Grep release. In the meantime you should be able work 
around the Grep problem by not using --with-libsigsegv.