Source: ros2-ament-cmake
Version: 2.7.2-1
Tags: patch
User: debian-cross@lists.debian.org
Usertags: ftcbfs

ros2-ament-cmake fails to cross build from source.

| Not searching for unused variables given on the command line.
| -- Found ament_cmake_core: 2.7.2 (/build/reproducible-path/ros2-ament-cmake-2.7.2/debian/tmp/usr/share/ament_cmake_core/cmake)
| -- Found Python3: /usr/bin/python3 (found version "3.13.3") found components: Interpreter
| -- Found ament_cmake_python: 2.7.2 (/build/reproducible-path/ros2-ament-cmake-2.7.2/debian/tmp/usr/share/ament_cmake_python/cmake)
| Traceback (most recent call last):
| File "<string>", line 4, in <module>
| if sysconfig.get_config_var('base') != os.path.normpath('/usr'):
| ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^
| File "/usr/lib/python3.13/sysconfig/__init__.py", line 627, in get_config_var
| return get_config_vars().get(name)
| ~~~~~~~~~~~~~~~^^
| File "/usr/lib/python3.13/sysconfig/__init__.py", line 601, in get_config_vars
| _init_config_vars()
| ~~~~~~~~~~~~~~~~~^^
| File "/usr/lib/python3.13/sysconfig/__init__.py", line 538, in _init_config_vars
| _init_posix(_CONFIG_VARS)
| ~~~~~~~~~~~^^^^^^^^^^^^^^
| File "/usr/lib/python3.13/sysconfig/__init__.py", line 396, in _init_posix | _temp = __import__(name, globals(), locals(), ['build_time_vars'], 0)
| ModuleNotFoundError: No module named '_sysconfigdata__linux_arm-linux-gnueabihf'
| CMake Error at /build/reproducible-path/ros2-ament-cmake-2.7.2/debian/tmp/usr/share/ament_cmake_python/cmake/ament_cmake_python-extras.cmake:71 (message):
| execute_process(/usr/bin/python3 -c 'import os
|
| import sysconfig
|
| kwargs = {'vars': {'base': '/usr'}}
|
| if sysconfig.get_config_var('base') != os.path.normpath('/usr'):
|
| schemes = sysconfig.get_scheme_names()
| if 'deb_system' in schemes or 'osx_framework_library' in schemes:
| kwargs['scheme'] = 'posix_prefix'
| elif 'rpm_prefix' in schemes:
| kwargs['scheme'] = 'rpm_prefix'
|
| print(os.path.relpath(sysconfig.get_path('purelib', **kwargs),
| start='/usr').replace(os.sep, '/'))') returned error code 1
| Call Stack (most recent call first):
| /build/reproducible-path/ros2-ament-cmake-2.7.2/debian/tmp/usr/share/ament_cmake_python/cmake/ament_cmake_python-extras.cmake:22 (_ament_cmake_python_get_python_install_dir)
| /build/reproducible-path/ros2-ament-cmake-2.7.2/debian/tmp/usr/share/ament_cmake_python/cmake/ament_python_install_package.cmake:38 (_ament_cmake_python_register_environment_hook)
| CMakeLists.txt:8 (ament_python_install_package)
|
|
| -- Configuring incomplete, errors occurred!
| cd obj-arm-linux-gnueabihf/ament_cmake_test && tail -v -n \+0 CMakeCache.txt
| ==> CMakeCache.txt <==

This looks like it is trying to build a Python extension and fails as
the sysconfigdata module for the host architecture is not found. Adding
a dependency on libpython3-dev fixes this.

Helmut

diff --minimal -Nru ros2-ament-cmake-2.7.2/debian/changelog ros2-ament-cmake-2.7.2/debian/changelog
--- ros2-ament-cmake-2.7.2/debian/changelog 2024-11-23 23:05:59.000000000 +0100
+++ ros2-ament-cmake-2.7.2/debian/changelog 2025-04-12 19:59:29.000000000 +0200
@@ -1,3 +1,11 @@
+ros2-ament-cmake (2.7.2-1.1) UNRELEASED; urgency=medium
+
+ * Non-maintainer upload.
+ * Fix FTCBFS: Missing Build-Depend: libpython3-dev for building a Python
+ extension. (Closes: #-1)
+
+ -- Helmut Grohne <helmut@subdivi.de> Sat, 12 Apr 2025 19:59:29 +0200
+
ros2-ament-cmake (2.7.2-1) unstable; urgency=medium

* New upstream version 2.7.2
diff --minimal -Nru ros2-ament-cmake-2.7.2/debian/control ros2-ament-cmake-2.7.2/debian/control
--- ros2-ament-cmake-2.7.2/debian/control 2024-11-23 23:05:59.000000000 +0100
+++ ros2-ament-cmake-2.7.2/debian/control 2025-04-12 19:59:27.000000000 +0200
@@ -11,6 +11,7 @@
dh-ros,
dh-sequence-python3,
libgtest-dev <!nocheck>,
+ libpython3-dev,
python3-ament-package,
python3-catkin-pkg,
python3-setuptools,

--- SoupGate-Win32 v1.05
* Origin: fsxNet Usen