Re: [PATCH] Generic mechanism to detect shell features

[Paul Eggert]

bonzini <address@hidden> writes:

> This patch adds to m4sh a generic mechanism to detect required or
> desirable shell features, and when looping over the shells, avoid
> shells that do not require the former and prefer shells that have the
> latter.

Did you have a look at Eric Sunshine's _AS_SHELL_BEST proposal?
<http://mail.gnu.org/archive/html/autoconf-patches/2004-01/msg00026.html>
I haven't had time to review either proposal thoroughly, but a quick
glance suggests that the _AS_SHELL_BEST patch is a bit more polished
and better fixes the bugs discussed in the "Shell function reporting" thread
<http://mail.gnu.org/archive/html/autoconf-patches/2004-01/threads.html#00014>,
but your _AS_DETECT_BETTER_SHELL proposal has the nicer idea of a
generic detection mechanism.

Ideally we'd see a single proposal that does both.