From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <cygwin@jdrake.com>
Received: from mail231.csoft.net (mail231.csoft.net [96.47.74.235])
 by sourceware.org (Postfix) with ESMTPS id 0504A386EC49
 for <cygwin@cygwin.com>; Mon, 10 Jan 2022 19:38:07 +0000 (GMT)
DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 0504A386EC49
Received: from mail231.csoft.net (localhost [127.0.0.1])
 by mail231.csoft.net (Postfix) with ESMTP id 17FFDCBBA
 for <cygwin@cygwin.com>; Mon, 10 Jan 2022 14:38:04 -0500 (EST)
Received: from mail231 (mail231 [96.47.74.235])
 (using TLSv1.2 with cipher ECDHE-RSA-CHACHA20-POLY1305 (256/256 bits))
 (No client certificate requested) (Authenticated sender: jeremyd)
 by mail231.csoft.net (Postfix) with ESMTPSA id 03DFCCBB6
 for <cygwin@cygwin.com>; Mon, 10 Jan 2022 14:38:04 -0500 (EST)
Date: Mon, 10 Jan 2022 11:38:03 -0800 (PST)
From: Jeremy Drake <cygwin@jdrake.com>
X-X-Sender: jeremyd@resin.csoft.net
To: cygwin@cygwin.com
Subject: posix_spawn issues on i686
Message-ID: <alpine.BSO.2.21.2201101132030.11760@resin.csoft.net>
User-Agent: Alpine 2.21 (BSO 202 2017-01-01)
MIME-Version: 1.0
Content-Type: text/plain; charset=US-ASCII
X-Spam-Status: No, score=-4.3 required=5.0 tests=BAYES_00, DKIM_SIGNED,
 DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, KAM_NUMSUBJECT, SPF_HELO_PASS,
 SPF_PASS, TXREP autolearn=no autolearn_force=no version=3.4.4
X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on
 server2.sourceware.org
X-BeenThere: cygwin@cygwin.com
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: General Cygwin discussions and problem reports <cygwin.cygwin.com>
List-Unsubscribe: <https://cygwin.com/mailman/options/cygwin>,
 <mailto:cygwin-request@cygwin.com?subject=unsubscribe>
List-Archive: <https://cygwin.com/pipermail/cygwin/>
List-Post: <mailto:cygwin@cygwin.com>
List-Help: <mailto:cygwin-request@cygwin.com?subject=help>
List-Subscribe: <https://cygwin.com/mailman/listinfo/cygwin>,
 <mailto:cygwin-request@cygwin.com?subject=subscribe>
X-List-Received-Date: Mon, 10 Jan 2022 19:38:08 -0000

>From https://github.com/msys2/MSYS2-packages/issues/2801

MSYS2 recently rebuilt GNU make 4.3, and I found that after rebuilding, it
broke rather horribly on i686, where any attempt to run a command resulted
in "Invalid argument" errors.  Some debugging revealed that rebuilding
make resulted in it using posix_spawn now instead of vfork.  Passing
--disable-posix-spawn to make's configure script results in a working i686
make.

>From the MSYS2 bug report:

"""
For reference, I tried to rebuild "make" in cygwin 32 bit and it has the
same problem:

rebuilding cygport make.cygport all results in a broken make
Adding CYGCONF_ARGS="--disable-posix-spawn" to the cygport file and
rebuilding again results in a good make
A Makefile to reproduce the issue:

all:
	echo hi
"""

In addition, make check fails rather horribly as well.

I know that 32-bit is on the way out, but it is concerning to me that
there is some latent bug lurking in this code path that is apparently not
well exercised.