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To: "cygwin@cygwin.com" <cygwin@cygwin.com>
CC: "Hortenstine, John" <john.hortenstine@flightsafety.com>
Subject: Dependency chain issue in modern Cygwin installer
Thread-Topic: Dependency chain issue in modern Cygwin installer
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Date: Fri, 7 Nov 2025 14:29:12 +0000
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From: "Basler, Sean via Cygwin" <cygwin@cygwin.com>
Reply-To: "Basler, Sean" <Sean.Basler@flightsafety.com>
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Sender: "Cygwin" <cygwin-bounces~archive-cygwin=delorie.com@cygwin.com>

Created a local install location using the new installer and ran into the issue with gdb missing needed dlls when installing from the local location and the installer running into errors with certain packages being flagged as unavailable.

Packages that were missing for gdb and I had to add to gdb depends2 line manually:

  *   libiconv
  *   libboost_regex1.66
  *   libicu61

Packages that were giving error due to not being available in local image and did not exist in the Cygwin distribution:

  *   perl5_040
  *   gcc13
  *   emacs-bin
To make it work had to change local setup ini to replace perl5_040 with perl, gcc13 with gcc-core, and emacs-bin with emacs-basic.

-Sean Basler

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