Bug#1116507: double-conversion: autopkgtest regression with CMake 4

[Timo Röhling]

Source: double-conversion
Version: 3.3.1-1
Severity: serious
User: cmake at packages.debian.org
Usertags: cmake-4

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Dear maintainer,

your package has an autopkgtest regression with CMake 4, caused by 
the removal of deprecated backwards compatibility settings.

You can find more information in my debian-devel announcement: 
https://lists.debian.org/debian-devel/2025/04/msg00310.html


Hopefully relevant excerpt from 
https://ci.debian.net/packages/d/double-conversion/unstable/amd64/64721192/ 
follows:

 41s CMake Warning (dev) at CMakeLists.txt:1 (project):
 41s   cmake_minimum_required() should be called prior to this top-level project()
 41s   call.  Please see the cmake-commands(7) manual for usage documentation of
 41s   both commands.
 41s This warning is for project developers.  Use -Wno-dev to suppress it.
 41s 
 41s -- The CXX compiler identification is GNU 15.2.0
 41s -- Detecting CXX compiler ABI info
 41s -- Detecting CXX compiler ABI info - done
 41s -- Check for working CXX compiler: /usr/bin/c++ - skipped
 41s -- Detecting CXX compile features
 41s -- Detecting CXX compile features - done
 41s CMake Error in CMakeLists.txt:
 41s   No cmake_minimum_required command is present.  A line of code such as
 41s 
 41s     cmake_minimum_required(VERSION 4.1)
 41s 
 41s   should be added at the top of the file.  The version specified may be lower
 41s   if you wish to support older CMake versions for this project.  For more
 41s   information run "cmake --help-policy CMP0000".
 41s 
 41s 
 41s -- Configuring incomplete, errors occurred!


Cheers
Timo

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