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From: Graham Inggs &lt;ginggs@debian.org&gt;
Date: Thu, 5 Feb 2026 14:56:34 -0100
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Subject: tulip: FTBFS with Python 3.14
To: Debian Bug Tracking System &lt;submit@bugs.debian.org&gt;
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Source: tulip
Version: 6.0.1+dfsg-2
Severity: important
Tags: ftbfs forky sid
User: debian-python@lists.debian.org
Usertags: python3.14

Hi Maintainer

tulip will FTBFS once Python 3.14 is the default version in Debian.
I've copied what I hope is the relevant part of the log below.

Regards
Graham


CMake Error at /usr/share/cmake-3.31/Modules/FindPackageHandleStandardArgs.cmake:233
(message):
  Could NOT find Python (missing: Python_EXECUTABLE Python_INCLUDE_DIRS
  Python_LIBRARIES Interpreter Development Development.Module
  Development.Embed) (Required is version range &quot;3.9...&lt;3.14&quot;)

      Reason given by package:
          Interpreter: Wrong version for the interpreter &quot;/bin/python3&quot;

Call Stack (most recent call first):
  /usr/share/cmake-3.31/Modules/FindPackageHandleStandardArgs.cmake:603
(_FPHSA_FAILURE_MESSAGE)
  /usr/share/cmake-3.31/Modules/FindPython/Support.cmake:3997
(find_package_handle_standard_args)
  /usr/share/cmake-3.31/Modules/FindPython.cmake:631 (include)
  CMakeLists.txt:222 (FIND_PACKAGE)
]