From: Paul Eggert <eggert@cs.ucla.edu>
To: Daniel Colascione <dancol@dancol.org>, emacs-devel@gnu.org
Subject: Re: [Emacs-diffs] trunk r116889: Require GNU make to build Emacs
Date: Thu, 27 Mar 2014 14:43:32 -0700 [thread overview]
Message-ID: <53349B84.8040707@cs.ucla.edu> (raw)
In-Reply-To: <5334849F.4080409@dancol.org>
On 03/27/2014 01:05 PM, Daniel Colascione wrote:
> Can we also require a reasonable POSIX shell and simplify configure.ac?
This should be acceptable nowadays, since 'configure' is pretty good
about finding a POSIX-compatible shell first thing, and it reexecutes
itself with such a file if it finds one. If we're careful about using
'$(SHELL)' rather than 'sh' elsewhere, we should be able to use POSIX
features in other shell scripts too.
We should be able to use shell functions, for example. However, we can't
assume every niggling feature required by POSIX.For details, please see
the Autoconf manual's chapter on portable shell programming, e.g., its
section on shell functions.
http://www.gnu.org/savannah-checkouts/gnu/autoconf/manual/autoconf-2.69/html_node/Portable-Shell.html
prev parent reply other threads:[~2014-03-27 21:43 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <E1WTGBc-0005iJ-7y@vcs.savannah.gnu.org>
2014-03-27 20:05 ` [Emacs-diffs] trunk r116889: Require GNU make to build Emacs Daniel Colascione
2014-03-27 21:43 ` Paul Eggert [this message]
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