CMake: remove boost system

[nim65s]

Hi,

This fix for boost >= 1.89:

CMake Error at /nix/store/4qaj1kkf1p3al8z190px12ma6r8jbgqj-boost-1.89.0-dev/lib/cmake/Boost-1.89.0/BoostConfig.cmake:141 (find_package):
  Could not find a package configuration file provided by "boost_system"
  (requested version 1.89.0) with any of the following names:

    boost_systemConfig.cmake
    boost_system-config.cmake

  Add the installation prefix of "boost_system" to CMAKE_PREFIX_PATH or set
  "boost_system_DIR" to a directory containing one of the above files.  If
  "boost_system" provides a separate development package or SDK, be sure it
  has been installed.
Call Stack (most recent call first):
  /nix/store/4qaj1kkf1p3al8z190px12ma6r8jbgqj-boost-1.89.0-dev/lib/cmake/Boost-1.89.0/BoostConfig.cmake:262 (boost_find_component)
  /nix/store/v2i1hgv567g3v91im5x4g5bff52143i0-cmake-4.1.2/share/cmake-4.1/Modules/FindBoost.cmake:609 (find_package)
  ConfigExtras.cmake:3 (find_package)
  CMakeLists.txt:43 (include)

boost system has been header only since release 1.69 (December 5, 2018), and a useless stub was provided instead.

in 1.89 (August 6, 2025), that stub was removed, so CMake fail if we require it.

ref. https://www.boost.org/doc/libs/latest/libs/system/doc/html/system.html#changes_in_boost_1_89

[Copilot]

Pull request overview

This PR updates MoveIt 2’s CMake “ConfigExtras” Boost component requirements to avoid requesting the system component, which breaks configuration with Boost >= 1.89 (where the boost_system CMake package stub was removed). This aligns with Boost.System being header-only since 1.69 and prevents find_package(Boost ...) failures in config-mode.

Changes:

• Remove system from Boost component lists across multiple ConfigExtras.cmake files used by downstream consumers.
• Remove system from the Boost component list in moveit_planners/ompl’s CMakeLists.txt.
• Minor formatting normalization of some find_package(Boost ...) calls (single-line vs multi-line) while preserving semantics.

Reviewed changes

Copilot reviewed 9 out of 9 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
moveit_ros/warehouse/ConfigExtras.cmake	Drops system from exported Boost component requirements.
moveit_ros/visualization/ConfigExtras.cmake	Drops system from exported Boost component requirements.
moveit_ros/planning/ConfigExtras.cmake	Drops system from exported Boost component requirements.
moveit_ros/planning_interface/ConfigExtras.cmake	Drops system from exported Boost component requirements.
moveit_ros/move_group/ConfigExtras.cmake	Drops system from exported Boost component requirements (and condenses formatting).
moveit_plugins/moveit_ros_control_interface/ConfigExtras.cmake	Drops system from exported Boost component requirements.
moveit_planners/ompl/CMakeLists.txt	Removes system from Boost components to avoid Boost 1.89 config-mode failure.
moveit_kinematics/ConfigExtras.cmake	Drops system from exported Boost component requirements.
moveit_core/ConfigExtras.cmake	Drops system from exported Boost component requirements.

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 46.30%. Comparing base (77c5894) to head (a57ed84).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3727      +/-   ##
==========================================
+ Coverage   46.23%   46.30%   +0.07%     
==========================================
  Files         726      726              
  Lines       59501    59509       +8     
  Branches     7624     7623       -1     
==========================================
+ Hits        27505    27549      +44     
+ Misses      31829    31792      -37     
- Partials      167      168       +1     

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[nbbrooks]

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