From owner-freebsd-arch@freebsd.org  Fri Jan 25 19:35:28 2019
Return-Path: <owner-freebsd-arch@freebsd.org>
Delivered-To: freebsd-arch@mailman.ysv.freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1])
 by mailman.ysv.freebsd.org (Postfix) with ESMTP id 7500014BF820
 for <freebsd-arch@mailman.ysv.freebsd.org>;
 Fri, 25 Jan 2019 19:35:28 +0000 (UTC) (envelope-from fuz@fuz.su)
Received: from fuz.su (fuz.su [IPv6:2001:41d0:8:e508::1])
 (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)
 server-signature RSA-PSS (4096 bits)
 client-signature RSA-PSS (2048 bits) client-digest SHA256)
 (Client CN "amnesiac", Issuer "amnesiac" (not verified))
 by mx1.freebsd.org (Postfix) with ESMTPS id DDB936C13A
 for <freebsd-arch@freebsd.org>; Fri, 25 Jan 2019 19:35:27 +0000 (UTC)
 (envelope-from fuz@fuz.su)
Received: from fuz.su (localhost [127.0.0.1])
 by fuz.su (8.15.2/8.15.2) with ESMTPS id x0PJZPWe075550
 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NO)
 for <freebsd-arch@freebsd.org>; Fri, 25 Jan 2019 20:35:25 +0100 (CET)
 (envelope-from fuz@fuz.su)
Received: (from fuz@localhost)
 by fuz.su (8.15.2/8.15.2/Submit) id x0PJZPes075549
 for freebsd-arch@freebsd.org; Fri, 25 Jan 2019 20:35:25 +0100 (CET)
 (envelope-from fuz)
Date: Fri, 25 Jan 2019 20:35:25 +0100
From: Robert Clausecker <fuz@fuz.su>
To: freebsd-arch@freebsd.org
Subject: Re: Importing mksh in base
Message-ID: <20190125193525.GA74966@fuz.su>
References: <20190125165751.kpcjjncmf7j7maxd@ivaldir.net>
 <D43F06EE-A6A9-4F7D-BF81-8EC2298F86C9@cschubert.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <D43F06EE-A6A9-4F7D-BF81-8EC2298F86C9@cschubert.com>
User-Agent: Mutt/1.11.1 (2018-12-01)
X-BeenThere: freebsd-arch@freebsd.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: Discussion related to FreeBSD architecture <freebsd-arch.freebsd.org>
List-Unsubscribe: <https://lists.freebsd.org/mailman/options/freebsd-arch>,
 <mailto:freebsd-arch-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-arch/>
List-Post: <mailto:freebsd-arch@freebsd.org>
List-Help: <mailto:freebsd-arch-request@freebsd.org?subject=help>
List-Subscribe: <https://lists.freebsd.org/mailman/listinfo/freebsd-arch>,
 <mailto:freebsd-arch-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Fri, 25 Jan 2019 19:35:28 -0000

On Fri, Jan 25, 2019 at 09:12:58AM -0800, Cy Schubert wrote:
> Why not ksh93 instead? It is the original and authoritative Korn
> shell. EPL is compatible with the BSD license. Personally, I've been
> toying with the idea of importing ksh93 for a while now.

Note that ksh93 comes with a builtin user land from AT&T which should
behave quite a bit differently from the FreeBSD userland.  So unless we
want to maintain two slightly different userlands (one of which needs to
be maintained in conflict with upstream), that has to be torn out, which
kills one of the performance advantages of ksh93.

Yours,
Robert Clausecker

-- 
()  ascii ribbon campaign - for an 8-bit clean world 
/\  - against html email  - against proprietary attachments