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From: | Paul Eggert |
Subject: | Re: bug#17471: On Solaris 10, grep snapshot apparently hit by bleeding-edge Autoconf bug |
Date: | Mon, 12 May 2014 11:44:46 -0700 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.5.0 |
On 05/12/2014 10:33 AM, Jim Meyering wrote:
Does anyone see a way to make it more efficient with a POSIX shell?
Yes. Eric's earlier message convinced me that grep shouldn't rely on Autoconf guaranteeing a shell that supports substrings in parameter expansion, so I came up with the attached patch (which keeps the shell efficient with a POSIX shell) and pushed it before I got around to reading your message. I tested on Solaris 10 with the shell artificially set to /bin/sh, so I'm marking this as done.
From an Autoconf point of view it might be nice to have a good way to say "I need a POSIX shell" or at least "I need a shell that does substrings", but that's merely a wishlist item.
0001-egrep-fgrep-port-to-Solaris-10-bin-sh.patch
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