On Tue, 09 Mar 2021 14:11:36 -0700, Warren Young wrote: > That’s the real trick, isn’t it? We have to set *some* threshold for droppin > g support for old platforms. I expect Autoconf isn’t compatible with Ultrix > any more, for instance. That's a good reminder that we've been here before. I remember being somewhat irked when autoconf stopped working with the SunOS 4.x /bin/sh (due to the use of shell functions IIRC). When I found that bash would process the script far faster than the V7-derived shell could I didn't mind any more :-) And as Paul pointed out earlier, Solaris 10 has multiple shells that support $( cmd ) syntax, they just aren't called /bin/sh. - todd
