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Subject: Re: automake 1.14 to 1.18 only provide very old versions of
 config.guess/.sub
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Date: Tue, 2 Sep 2025 09:59:32 +0200
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From: Christian Franke via Cygwin <cygwin@cygwin.com>
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Cc: Christian Franke <Christian.Franke@t-online.de>
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matthew patton via Cygwin wrote:
> has anyone diff'd the 'custom' one vs the standard to see if there any actionable differences? Or was this a "temporary" bodge that was never backed out once upstream became usable?
>

$ cygport automake1.18.cygport prep make
...
$ diff -r automake1.18-1.18.1-1.noarch/{orig,}src | diffstat
  CYGWIN-PATCHES   |only
  lib/config.guess | 1269 +++++++++++++++++++-------------------------
  lib/config.sub   | 1423 +++++++++++++++-----------------------------------
  3 files changed, 995 insertions(+), 1697 deletions(-)

The observation that leaded to the investigation was a 'host' 
misdetection under "ubuntu-latest" (automake 1.16.5) from GH Actions:

$ ./configure "CC=gcc -m32" # AC_CANONICAL_HOST sets 'host' to
x86_64-pc-linux-gnu # Cygwin automake 1.14-1.18
x86_64-pc-linux-gnux32 # ("x86_64 with x32 ABI") automake 1.16.5
i686-pc-linux-gnu # automake >= 1.17

On Cygwin, x86_64-pc-cygwin is correctly detected in all cases.

-- 
Regards,
Christian


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