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Re: --site option

From: Paul Eggert
Subject: Re: --site option
Date: Sun, 3 Apr 2016 14:40:57 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.6.0 
Ben Elliston wrote:

My generated configure script recognises a --site option:

   -site | --site | --sit)
     ac_prev=site ;;
   -site=* | --site=* | --sit=*)
     site=$ac_optarg ;;

However, $site is never referred to.  What's the purpose of this?
If memory serves, there used to be a -site option in all 'configure' scripts. That feature was removed decades ago, and the above code attempts to cater to people who were invoking 'configure' with the old option.
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