Re: M4sh tests 77 and 78 vs /bin/sh -> dash

[Paul Eggert]

On 3/12/20 1:53 PM, Zack Weinberg wrote:
> the
> changed behavior of autoconf trunk was not intentional; it's because
> commit 2b59b6f8a79b8bf77e178ff4e5aa0ede433d39cf missed a direct use of
> $as_echo in _AS_DETECT_BETTER_SHELL, causing _AS_DETECT_BETTER_SHELL
> *not to work at all*!

Thanks for catching that. I looked into the history of that part of 
Autoconf and it appears the string is being echoed only for historical 
reasons. So I installed the attached to bypass the need for using 
$as_echo or equivalent.

0001-Fix-_AS_DETECT_BETTER_SHELL-breakage.patch
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