Re: config.sub/config.guess using nonportable $(...) substitutions

[Michael Orlitzky]

On Tue, 2021-03-09 at 14:11 -0700, Warren Young wrote:
> 
> Solaris 10 dates from early 2005.  We gave it 16 years of direct
> support, and now it’s on a sort of “extended” support if you point
> Autoconf configure scripts at a reasonable shell.
> 

I didn't realize it was that "recent." I'm typing this on a PC (and OS
install) older than that. Digging through The Open Group archives shows
that the $(...) syntax was standardized no later than 1997, making me
less sympathetic than I was originally.