X-Recipient:	archive-cygwin AT delorie DOT com
X-Original-To:	cygwin AT cygwin DOT com
Delivered-To:	cygwin AT cygwin DOT com
DMARC-Filter:	OpenDMARC Filter v1.3.2 sourceware.org 928D63858D35
Authentication-Results:	sourceware.org; dmarc=none (p=none dis=none)
	header.from=SystematicSw.ab.ca
Authentication-Results:	sourceware.org;
	spf=none smtp.mailfrom=brian DOT inglis AT systematicsw DOT ab DOT ca
X-Authority-Analysis:	v=2.3 cv=OubUNx3t c=1 sm=1 tr=0
	a=kiZT5GMN3KAWqtYcXc+/4Q==:117 a=kiZT5GMN3KAWqtYcXc+/4Q==:17
	a=IkcTkHD0fZMA:10 a=w_pzkKWiAAAA:8 a=JZeu4sPTHj9YQVegERsA:9 a=QEXdDO2ut3YA:10
	a=CK4ackeeyIsA:10 a=sRI3_1zDfAgwuvI8zelB:22
Subject:	Re: Developing for Cygwin from POSIX host
To:	cygwin AT cygwin DOT com
References:	<9076494 DOT QnH3kWR8HF AT t450>
From:	Brian Inglis <Brian DOT Inglis AT SystematicSw DOT ab DOT ca>
Autocrypt:	addr=Brian DOT Inglis AT SystematicSw DOT ab DOT ca; prefer-encrypt=mutual;
	keydata=
	mDMEXopx8xYJKwYBBAHaRw8BAQdAnCK0qv/xwUCCZQoA9BHRYpstERrspfT0NkUWQVuoePa0
	LkJyaWFuIEluZ2xpcyA8QnJpYW4uSW5nbGlzQFN5c3RlbWF0aWNTdy5hYi5jYT6IlgQTFggA
	PhYhBMM5/lbU970GBS2bZB62lxu92I8YBQJeinHzAhsDBQkJZgGABQsJCAcCBhUKCQgLAgQW
	AgMBAh4BAheAAAoJEB62lxu92I8Y0ioBAI8xrggNxziAVmr+Xm6nnyjoujMqWcq3oEhlYGAO
	WacZAQDFtdDx2koSVSoOmfaOyRTbIWSf9/Cjai29060fsmdsDLg4BF6KcfMSCisGAQQBl1UB
	BQEBB0Awv8kHI2PaEgViDqzbnoe8B9KMHoBZLS92HdC7ZPh8HQMBCAeIfgQYFggAJhYhBMM5
	/lbU970GBS2bZB62lxu92I8YBQJeinHzAhsMBQkJZgGAAAoJEB62lxu92I8YZwUBAJw/74rF
	IyaSsGI7ewCdCy88Lce/kdwX7zGwid+f8NZ3AQC/ezTFFi5obXnyMxZJN464nPXiggtT9gN5
	RSyTY8X+AQ==
Organization:	Systematic Software
Message-ID:	<7d145537-d982-617c-7f2d-bb047a9d782b@SystematicSw.ab.ca>
Date:	Thu, 6 Aug 2020 22:56:47 -0600
User-Agent:	Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101
	Thunderbird/68.11.0
MIME-Version:	1.0
In-Reply-To:	<9076494.QnH3kWR8HF@t450>
X-CMAE-Envelope:	MS4wfK85mJOAwyWChb1zJPEESgRla5MtlhKeIMDXbke6ULED5mK/z1IP3elZvTV7VcZRnKsfroALqxz9rkMdO7Y+Mb5fOt7lj2QdffBaLfSEBKcTiUqTN3Is
	NIOsmuRUA/u/l9HK4ixmNTHywok0QqHnTd99qTKg52tpyEJyPKQ9bRXD5saQCt+S4asjppFzR9Dn0w==
X-Spam-Status:	No, score=-8.6 required=5.0 tests=BAYES_00, KAM_DMARC_STATUS,
	KAM_LAZY_DOMAIN_SECURITY, NICE_REPLY_A, RCVD_IN_DNSWL_LOW, SPF_HELO_NONE,
	SPF_NONE, TXREP autolearn=ham autolearn_force=no version=3.4.2
X-Spam-Checker-Version:	SpamAssassin 3.4.2 (2018-09-13) on
	server2.sourceware.org
X-BeenThere:	cygwin AT cygwin DOT com
X-Mailman-Version:	2.1.29
List-Id:	General Cygwin discussions and problem reports <cygwin.cygwin.com>
List-Unsubscribe:	<https://cygwin.com/mailman/options/cygwin>,
	<mailto:cygwin-request AT cygwin DOT com?subject=unsubscribe>
List-Archive:	<https://cygwin.com/pipermail/cygwin/>
List-Post:	<mailto:cygwin AT cygwin DOT com>
List-Help:	<mailto:cygwin-request AT cygwin DOT com?subject=help>
List-Subscribe:	<https://cygwin.com/mailman/listinfo/cygwin>,
	<mailto:cygwin-request AT cygwin DOT com?subject=subscribe>
Reply-To:	cygwin AT cygwin DOT com
Errors-To:	cygwin-bounces AT cygwin DOT com
Sender:	"Cygwin" <cygwin-bounces AT cygwin DOT com>

On 2020-08-06 19:58, John Scott via Cygwin wrote:
> I'm writing an application in C that's increasingly dependent on the POSIX 
> APIs and would like to use the Cygwin DLL to help port it to Windows. I 
> currently use MinGW-w64 but foresee that will stop being sufficient eventually.
> 
> I want to do this using only free software without a Windows installation. A 
> GNU/Linux to Cygwin cross compiler doesn't seem available, at least on Debian. 
> Cygwin also fails to run under Wine.

Should work as there are fixes in each for the other.

> I'm not interested in the Cygwin userspace, I just need the POSIX layer. Aside 
> from booting up a ReactOS VM, is there a more clean way to do what I seek to 
> do?

There's a Fedora->Cygwin cross environment documented in:

	https://cygwin.com/pipermail/cygwin/2020-July/245695.html

or your local copy from July 27-28.

-- 
Take care. Thanks, Brian Inglis, Calgary, Alberta, Canada

This email may be disturbing to some readers as it contains
too much technical detail. Reader discretion is advised.
[Data in IEC units and prefixes, physical quantities in SI.]
--
Problem reports:      https://cygwin.com/problems.html
FAQ:                  https://cygwin.com/faq/
Documentation:        https://cygwin.com/docs.html
Unsubscribe info:     https://cygwin.com/ml/#unsubscribe-simple

- Raw text -