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Message-ID:	<1ff7292d-237e-4500-b102-1b0e2fa0be56@dronecode.org.uk>
Date:	Wed, 10 May 2023 12:47:33 +0100
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Subject:	Re: cygport injects unexpected parameter
To:	Thomas Wolff <towo AT towo DOT net>, The Cygwin Mailing List <cygwin AT cygwin DOT com>
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On 10/05/2023 08:57, Thomas Wolff via Cygwin-apps wrote:
> I'm trying to build xterm 380 and got two problems in the cygport 
> compile step:
> 
> 1.
> *** ERROR: could not determine the autoconf version used to generate 
> ./configure; perhaps set AUTOCONF_VERSION?
> 
> I don't know why a tool wants to be told its own version (or what's 

This is not what the error message says.

> going on) but the following line in xterm.cygport seems to help:
> AUTOCONF_VERSION=$( autoconf --version | sed -e "s,.* ,," -e 1q )

Your second point explains the first.

cygport attempts to detect the version of autoconf used to generate the 
./configure script, so it knows what options it supports.

If that detection fails (as in this case, because it's generated by 
customized version), you can set AUTOCONF_VERSION appropriately.

https://cygwin.github.io/cygport/autotools_cygclass.html#AUTOCONF_VERSION

https://cygwin.com/cgit/cygwin-apps/cygport/tree/cygclass/autotools.cygclass#n711

> 2.
> configure: error: unrecognized option: --docdir=/usr/share/doc/xterm
> 
> This seems to be injected by the cygconf function, and the package 
> configure script does not know it.

For configure files generated by dickey's variant of autoconf, the 
correct thing seems to be to use AUTOCONF_VERSION="2.50"


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