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From: "Alfred M. Szmidt" <ams@gnu.org>
To: Bruno Haible <bruno@clisp.org>
In-Reply-To: <3937058.cZqfhRazpa@omega> (message from Bruno Haible on Sun, 27
 Dec 2020 01:43:57 +0100)
Subject: Re: egrep, fgrep, and install-info
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   2) For 'install-info', what would be the replacement? Even though
   Automake knows how to handle its absence [1], it would be good to
   know.

On systems where install-info is lacking, we simply don't install a
node entry in the dir file and continue with the post-install.  This
is a slightly different behaviour than what we have for other programs
which we generally consider a hard error.  E.g., if you don't have
grep -E, and no egrep or some other such ... you're shit outta luck.