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Subject:	Re: Which is it -pc- or -unknown-
To:	cygwin AT cygwin DOT com
References:	<b0dab24e-629a-4d23-c199-69b60a98b9ad AT gmail DOT com> <59e7e340 DOT e9099d0a DOT ecab9 DOT 127a AT mx DOT google DOT com> <5e3588d9-d0a6-4181-54aa-56afa5082eab AT gmail DOT com> <e6342489-bc51-0ac7-df16-73ef8639ba91 AT cygwin DOT com> <bcfc8b60-f269-8647-297f-f4fa3fe58d7d AT gmail DOT com>
From:	Yaakov Selkowitz <yselkowitz AT cygwin DOT com>
Message-ID:	<10f91c20-d6d0-0dc4-cd2e-f71b2489defd@cygwin.com>
Date:	Thu, 19 Oct 2017 13:51:52 -0500
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From: Yaakov Selkowitz <yselkowitz AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Message-ID: <10f91c20-d6d0-0dc4-cd2e-f71b2489defd AT cygwin DOT com>
Subject: Re: Which is it -pc- or -unknown-
References: <b0dab24e-629a-4d23-c199-69b60a98b9ad AT gmail DOT com>
 <59e7e340 DOT e9099d0a DOT ecab9 DOT 127a AT mx DOT google DOT com>
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On 2017-10-19 11:44, cyg Simple wrote:
> On 10/19/2017 11:04 AM, Yaakov Selkowitz wrote:
>> We've been building packages for 64-bit Cygwin for years now without a
>> problem.  Maybe you could just tell what you're trying to do and the
>> problem you're seeing so that we can assist you, instead of this
>> circular discussion of a nonexistent problem.
>=20
> The scenario occurred when I was trying to configure a package and that
> package was refusing to accept the config.guess build triplet.

While you're still being vague (in terms of which package you are
building and exactly what the error is), that sounds like an issue with
(usually old) sources bundling an ancient config.{guess,sub} which
doesn't know about 64-bit Cygwin.  I have several packages like this.
cygport's gnuconfigize command is intended to help with such cases.

> So I decided to do
>=20
> cyg=3D`/path/to/config.guess`; ./configure --host=3D$cyg --build=3D$cyg

This is incorrect.

> The configure couldn't find x86_64-unknown-cygwin-gcc.  When I looked in
> /usr/bin I found x86_64-pc-cygwin-gcc instead!!  So which is it, it
> cannot be both!

When you *really* need to use --build and/or --host, then you need to
use x86_64-pc-cygwin, as that is our chosen name.

--=20
Yaakov


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