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Date: Mon, 01 Sep 2025 01:05:17 +0200
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Subject: squeak-vm: FTBFS with CMake 4
From: roehling@debian.org
To: maintonly@bugs.debian.org
X-Debian-User: roehling
Delivered-To: maintonly@bugs.debian.org

Source: squeak-vm
Version: 1:4.10.2.2614+20120917~dfsg-2
Severity: serious
User: cmake@packages.debian.org
Usertags: cmake-4
Tags: ftbfs, forky, sid

Dear maintainer,

During a test rebuild for CMake 4, squeak-vm failed to rebuild.

Log Summary:
-----------------------------------------------------------------------------=
--
[...]
touch debian/stamp-upstream-cruft
set -e;   mv ./platforms/unix/cmake/config.guess ./platforms/unix/cmake/confi=
g.guess.cdbs-orig; cp --remove-destination /usr/share/misc/config.guess ./pla=
tforms/unix/cmake/config.guess;
set -e;   mv ./platforms/unix/cmake/config.sub ./platforms/unix/cmake/config.=
sub.cdbs-orig; cp --remove-destination /usr/share/misc/config.sub ./platforms=
/unix/cmake/config.sub;
cd build-tree &amp;&amp; cmake /build/reproducible-path/squeak-vm-4.10.2.2614+2012091=
7~dfsg/platforms/unix -DCMAKE_INSTALL_PREFIX=3D&quot;/usr&quot; -DCMAKE_C_COMPILER:FILE=
PATH=3D&quot;cc&quot; -DCMAKE_CXX_COMPILER:FILEPATH=3D&quot;g++&quot; -DCMAKE_C_FLAGS=3D&quot;-g -O2 -=
Werror=3Dimplicit-function-declaration -ffile-prefix-map=3D/build/reproducibl=
e-path/squeak-vm-4.10.2.2614+20120917~dfsg=3D. -fstack-protector-strong -fsta=
ck-clash-protection -Wformat -Werror=3Dformat-security -mbranch-protection=3D=
standard -fno-caller-saves -fno-strict-overflow -fno-strict-aliasing -Wdate-t=
ime -D_FORTIFY_SOURCE=3D2&quot; -DCMAKE_CXX_FLAGS=3D&quot;-g -O2 -ffile-prefix-map=3D/b=
uild/reproducible-path/squeak-vm-4.10.2.2614+20120917~dfsg=3D. -fstack-protec=
tor-strong -fstack-clash-protection -Wformat -Werror=3Dformat-security -mbran=
ch-protection=3Dstandard -Wdate-time -D_FORTIFY_SOURCE=3D2&quot; -DCMAKE_SKIP_RPAT=
H=3DON -DCMAKE_VERBOSE_MAKEFILE=3DON -DCMAKE_EXE_LINKER_FLAGS=3D&quot;-Wl,-z,relro=
&quot; -DCMAKE_MODULE_LINKER_FLAGS=3D&quot;-Wl,-z,relro&quot; -DCMAKE_SHARED_LINKER_FLAGS=3D=
&quot;-Wl,-z,relro&quot; -DVM_HOST=3Daarch64-unknown-linux-gnu -DVM_VERSION=3D- -DPLATF=
ORM_SOURCE_VERSION=3D -DOPT--prefix=3D/usr -DOPT--without-RomePlugin=3D1 -DOP=
T--without-Mpeg3Plugin=3D1 -DOPT--with-npsqueak=3D1
CMake Warning (dev) at CMakeLists.txt:5 (PROJECT):
  cmake_minimum_required() should be called prior to this top-level project()
  call.  Please see the cmake-commands(7) manual for usage documentation of
  both commands.
This warning is for project developers.  Use -Wno-dev to suppress it.

-- The C compiler identification is GNU 14.3.0
-- The CXX compiler identification is GNU 14.3.0
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working C compiler: /usr/bin/cc - skipped
-- Detecting C compile features
-- Detecting C compile features - done
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Check for working CXX compiler: /usr/bin/g++ - skipped
-- Detecting CXX compile features
-- Detecting CXX compile features - done
CMake Error at CMakeLists.txt:7 (CMAKE_MINIMUM_REQUIRED):
  Compatibility with CMake &lt; 3.5 has been removed from CMake.

  Update the VERSION argument &lt;min&gt; value.  Or, use the &lt;min&gt;...&lt;max&gt; syntax
  to tell CMake that the project requires at least &lt;min&gt; but has been updated
  to work with policies introduced by &lt;max&gt; or earlier.

  Or, add -DCMAKE_POLICY_VERSION_MINIMUM=3D3.5 to try configuring anyway.


-- Configuring incomplete, errors occurred!
make: *** [/usr/share/cdbs/1/class/cmake.mk:75: obj-aarch64-linux-gnu/CMakeCa=
che.txt] Error 1
dpkg-buildpackage: error: debian/rules binary subprocess returned exit status=
 2
-----------------------------------------------------------------------------=
---
Build finished at 2025-08-30T21:10:27Z

-----------------------------------------------------------------------------=
--

The above is just how the build ends and not necessarily the most relevant pa=
rt.
If required, the full build log is available here (for the next 30 days):
https://debusine.debian.net/artifact/2411756/

The most likely cause of build failures is the removed backwards compatibilit=
y for
CMake versions earlier than 3.5. You can find additional information in my
debian-devel announcement:

https://lists.debian.org/debian-devel/2025/04/msg00310.html

About the archive rebuild: The build was made on debusine.debian.net,
using sbuild.

You can find the build task here:
https://debusine.debian.net/work-request/154933/

If this is really a bug in one of the build-depends, please use
reassign and affects, so that this is still visible in the BTS web
page for this package.

Thanks,
Timo
]