# rclcpp: ROS 2 C++ client library (multi-package repository)
# Bundles: rclcpp, rclcpp_action, rclcpp_components, rclcpp_lifecycle
# topdir: rclcpp-16.0.21
# Installs to /opt/ros/humble (ROS standard prefix)

%global debug_package %{nil}
%global __provides_exclude_from ^/opt/ros/humble/.*$
%global __requires_exclude_from ^/opt/ros/humble/.*$
# Strip brp-python-bytecompile (ROS Python files under /opt are not standard sitelib)
%global __os_install_post %(echo '%{__os_install_post}' | sed -e 's!/usr/lib[^[:space:]]*/brp-python-bytecompile[[:space:]].*$!!g')

Name:           rclcpp
Version:        16.0.21
Release:        1%{?dist}
Summary:        The ROS client library in C++

License:        Apache-2.0
URL:            https://github.com/ros2/rclcpp
Source0:        https://github.com/ros2/rclcpp/archive/16.0.21.tar.gz#/rclcpp-16.0.21.tar.gz

# System build tools
BuildRequires:  cmake
BuildRequires:  gcc-c++
BuildRequires:  make
BuildRequires:  python3-devel

# ROS buildtool dependencies (from ROS SIG repo)
BuildRequires:  ros-humble-ament-cmake-ros
BuildRequires:  ros-humble-ament-cmake-gen-version-h
BuildRequires:  ros-humble-ament-cmake

# ROS runtime base
BuildRequires:  ros-humble-ros-workspace

# ROS library dependencies — rclcpp sub-package
BuildRequires:  ros-humble-ament-index-cpp
BuildRequires:  ros-humble-builtin-interfaces
BuildRequires:  ros-humble-libstatistics-collector
BuildRequires:  ros-humble-rcl
BuildRequires:  ros-humble-rcl-interfaces
BuildRequires:  ros-humble-rcl-yaml-param-parser
BuildRequires:  ros-humble-rcpputils
BuildRequires:  ros-humble-rcutils
BuildRequires:  ros-humble-rmw
BuildRequires:  ros-humble-rosgraph-msgs
BuildRequires:  ros-humble-rosidl-runtime-cpp
BuildRequires:  ros-humble-rosidl-typesupport-c
BuildRequires:  ros-humble-rosidl-typesupport-cpp
BuildRequires:  ros-humble-statistics-msgs
BuildRequires:  ros-humble-tracetools

# ROS library dependencies — rclcpp_action sub-package
BuildRequires:  ros-humble-action-msgs
BuildRequires:  ros-humble-rcl-action
BuildRequires:  ros-humble-rosidl-runtime-c

# ROS library dependencies — rclcpp_components sub-package
BuildRequires:  ros-humble-class-loader
BuildRequires:  ros-humble-composition-interfaces

# ROS library dependencies — rclcpp_lifecycle sub-package
BuildRequires:  ros-humble-lifecycle-msgs
BuildRequires:  ros-humble-rcl-lifecycle

# Runtime Requires (ROS /opt auto-deps disabled, must be explicit)
Requires:       ros-humble-ros-workspace
Requires:       ros-humble-ament-cmake

# Virtual provides for compatibility with -devel/-doc/-runtime naming
Provides:       %{name}-devel = %{version}-%{release}
Provides:       %{name}-doc = %{version}-%{release}
Provides:       %{name}-runtime = %{version}-%{release}

%description
The ROS client library in C++.
This package bundles the rclcpp, rclcpp_action, rclcpp_components,
and rclcpp_lifecycle sub-packages from the rclcpp repository,
providing the C++ client library for ROS 2.

%prep
%autosetup -n %{name}-%{version}

%build
# Source ROS environment if available (provides PYTHONPATH, AMENT_PREFIX_PATH)
[ -f /opt/ros/humble/setup.sh ] && source /opt/ros/humble/setup.sh || true
export PYTHONPATH=/opt/ros/humble/lib/python%{python3_version}/site-packages${PYTHONPATH:+:$PYTHONPATH}
export PKG_CONFIG_PATH=/opt/ros/humble/lib/pkgconfig${PKG_CONFIG_PATH:+:$PKG_CONFIG_PATH}

ROSPREFIX=/opt/ros/humble
BROSEROOT=%{buildroot}/opt/ros/humble
export AMENT_PREFIX_PATH=${BROSEROOT}:${ROSPREFIX}
export CMAKE_PREFIX_PATH=${BROSEROOT}:${ROSPREFIX}

CMAKE_FLAGS="\
  -DCMAKE_INSTALL_PREFIX=${ROSPREFIX} \
  -DAMENT_PREFIX_PATH=${ROSPREFIX} \
  -DCMAKE_PREFIX_PATH=${ROSPREFIX} \
  -DSETUPTOOLS_DEB_LAYOUT=OFF \
  -DBUILD_TESTING=OFF \
  -UINCLUDE_INSTALL_DIR \
  -ULIB_INSTALL_DIR \
  -USYSCONF_INSTALL_DIR \
  -USHARE_INSTALL_PREFIX \
  -ULIB_SUFFIX"

# Build and install a single sub-package to buildroot
build_one() {
  pkg=$1
  echo "=== Building ${pkg} ==="
  cd "${pkg}"
  mkdir -p build
  cd build
  cmake ${CMAKE_FLAGS} ..
  cmake --build .
  DESTDIR=%{buildroot} cmake --install .
  cd ../..
}

# Layer 0: rclcpp (base library, all others depend on it)
build_one rclcpp

# Layer 1: packages depending on rclcpp (independent of each other)
build_one rclcpp_action
build_one rclcpp_lifecycle
build_one rclcpp_components

%install
# All sub-packages already installed to buildroot/opt/ros/humble during build phase

%files
/opt/ros/humble/

%changelog
* Thu Oct 08 2026 openEuler Builder <builder@openeuler.org> - 16.0.21-1
- Initial package