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%define ros_distro humble
%define RosPkgName nebula-hesai-decoders
%define src_version 1.3.1-1
# monorepo main 分支快照(无 tag),记录实际 commit 保证产物可追溯(§2)
%global commit 8be1ed775b02985eadafe39b00e0e4fc944114e2

Name:           ros-%{ros_distro}-%{RosPkgName}
Version:        1.3.1
Release:        1%{?dist}
Summary:        Nebula Hesai Decoders Library
# package.xml 声明 "Apache 2",规范为 SPDX 标识
License:        Apache-2.0
URL:            https://github.com/tier4/nebula
Source0:        %{RosPkgName}-%{src_version}.tar.gz
# png++ 是 libpng 的 header-only C++ 封装,openEuler 官方源无此包;
# 已安装的 nebula-core-decoders 头文件 downsample_mask.hpp 传递依赖 png++,
# 本包编译需其头文件,随 SRPM 携带源码 vendor(依赖可用性预检无 provider)
Source1:        pngpp-0.2.10.tar.gz

# debug 子包无意义(/opt 前缀,strip/debugedit 路径非常规),SIG 模板统一关闭
%global debug_package %{nil}
# /opt 下 python 字节码编译会写标准 sitelib 路径,摘掉 brp-python-bytecompile
%global __os_install_post %(echo '%{__os_install_post}' | sed -e 's!/usr/lib[^[:space:]]*/brp-python-bytecompile[[:space:]].*$!!g')
# ROS 包不做自动依赖扫描(.so 全在 /opt/ros 下,由 ament 间接依赖模型替代)
%global __provides_exclude_from ^/opt/ros/%{ros_distro}/.*$
%global __requires_exclude_from ^/opt/ros/%{ros_distro}/.*$

BuildRequires:  cmake
BuildRequires:  gcc-c++
BuildRequires:  make
# ament_cmake 形态构建工具(§6:build_type=ament_cmake,构建工具依赖 ros-humble-ament-cmake)
BuildRequires:  ros-%{ros_distro}-ament-cmake
# 提供 autoware_package() 宏(ros-upstream.list,SIG 未移植但 rosdistro 真实存在)
BuildRequires:  ros-%{ros_distro}-autoware-cmake
# buildtool_depend ros_environment(ros-projects.list,SIG 已移植)
BuildRequires:  ros-%{ros_distro}-ros-environment
# package.xml <depend> —— ROS humble 标准包(ros-projects.list,SIG 已移植)
BuildRequires:  ros-%{ros_distro}-rclcpp
# package.xml <depend> —— nebula monorepo 兄弟子包(ros-upstream.list,batch reused,COPR project 同源解析)
BuildRequires:  ros-%{ros_distro}-nebula-core-common
BuildRequires:  ros-%{ros_distro}-nebula-core-decoders
BuildRequires:  ros-%{ros_distro}-nebula-hesai-common
# 系统库(package.xml <depend>boost</depend>,pkg.remap 映射 boost→boost-devel,CMakeLists 链接 Boost::headers 为 header-only)
BuildRequires:  boost-devel
# libpng C 库:png++ 头文件链(image.hpp→png.hpp→<png.h>)依赖 png.h,
# nebula-core-decoders 的 ament export 传递 PNG::PNG,chroot 须有 libpng-devel 提供 png.h 与 -lpng
BuildRequires:  libpng-devel

# 运行时 Requires(§6 三件套:/opt/ros 被 __requires_exclude_from 豁免,autodeps 扫不到)
Requires:       ros-%{ros_distro}-ros-workspace
Requires:       ros-%{ros_distro}-ament-cmake
# package.xml <depend> 的运行时部分(ROS 包提供 /opt/ros 下 .so,运行时须显式声明)
Requires:       ros-%{ros_distro}-rclcpp
Requires:       ros-%{ros_distro}-nebula-core-common
Requires:       ros-%{ros_distro}-nebula-core-decoders
Requires:       ros-%{ros_distro}-nebula-hesai-common

# 单包策略(§7):ROS 包严禁拆实体子包,主包 %files 整树拥有,虚拟别名兼容依赖方
Provides:       %{name}-devel = %{version}-%{release}
Provides:       %{name}-doc = %{version}-%{release}
Provides:       %{name}-runtime = %{version}-%{release}

%description
Nebula Hesai Decoders Library —— Nebula 多 LiDAR 驱动框架中面向 Hesai
激光雷达的解码库,提供 Hesai Pandar 系列点云数据的解码与处理。基于
ament_cmake 构建(autoware_cmake 封装),产物安装至 /opt/ros/%{ros_distro}
前缀。本包源自 tier4/nebula monorepo(commit 8be1ed77),仅构建其中的
nebula_hesai_decoders colcon 子包;monorepo 其余 colcon 包由各自独立 RPM 提供。

%prep
# -a1:额外解压 Source1(png++ vendor 源码)到 Source0 目录
%autosetup -n %{RosPkgName}-%{src_version} -a1

%build
# ROS 基座环境(§4:setup.sh 可能不存在,用 [ -f ] 守卫)
[ -f /opt/ros/%{ros_distro}/setup.sh ] && source /opt/ros/%{ros_distro}/setup.sh || true
export PYTHONPATH=/opt/ros/%{ros_distro}/lib/python%{python3_version}/site-packages${PYTHONPATH:+:$PYTHONPATH}
export PKG_CONFIG_PATH=/opt/ros/%{ros_distro}/lib/pkgconfig${PKG_CONFIG_PATH:+:$PKG_CONFIG_PATH}

# png++ header-only vendor(openEuler 无 png++ 包):装头文件到 %{_includedir}/png++,
# 供本包及已安装的 nebula_core_decoders 头文件 #include <png++/...>(downsample_mask.hpp:24)
install -d %{_includedir}/png++
install -p -m 0644 png++-0.2.10/*.hpp %{_includedir}/png++/

# monorepo 子包构建:进入目标 colcon 包目录(§5 ament_cmake 显式 out-of-source,规避 openEuler cmake 宏的默认位置参数)
cd src/nebula_hesai/nebula_hesai_decoders
mkdir -p .obj && cd .obj
%cmake3 \
    -DCMAKE_INSTALL_PREFIX="/opt/ros/%{ros_distro}" \
    -DAMENT_PREFIX_PATH="/opt/ros/%{ros_distro}" \
    -DCMAKE_PREFIX_PATH="/opt/ros/%{ros_distro}" \
    -UINCLUDE_INSTALL_DIR -ULIB_INSTALL_DIR -USYSCONF_INSTALL_DIR -USHARE_INSTALL_PREFIX -ULIB_SUFFIX \
    -DSETUPTOOLS_DEB_LAYOUT=OFF \
    -DBUILD_TESTING=OFF -DTESTING=OFF -DCMAKE_SUPPRESS_REGENERATION=ON \
    ..
make %{?_smp_mflags}

%install
[ -f /opt/ros/%{ros_distro}/setup.sh ] && source /opt/ros/%{ros_distro}/setup.sh || true
export PYTHONPATH=/opt/ros/%{ros_distro}/lib/python%{python3_version}/site-packages${PYTHONPATH:+:$PYTHONPATH}
export PKG_CONFIG_PATH=/opt/ros/%{ros_distro}/lib/pkgconfig${PKG_CONFIG_PATH:+:$PKG_CONFIG_PATH}
# png++ vendor 头文件与 license 装入 buildroot(供下游包 include + 合规)
install -d %{buildroot}%{_includedir}/png++
install -p -m 0644 png++-0.2.10/*.hpp %{buildroot}%{_includedir}/png++/
install -d %{buildroot}%{_licensedir}/%{name}-bundled-pngpp/
install -p -m 0644 png++-0.2.10/COPYING %{buildroot}%{_licensedir}/%{name}-bundled-pngpp/COPYING
cd src/nebula_hesai/nebula_hesai_decoders
cd .obj
make install DESTDIR=%{buildroot}

# 文件清单整树拥有(§7:单包策略,ros_distro 前缀一行收尾,对「装了没打包」类错误免疫)
%files
/opt/ros/%{ros_distro}
# png++ vendor 头文件(header-only,模板代码编译进本包 .so;下游 include 本包头文件复用)
%{_includedir}/png++/
%{_licensedir}/%{name}-bundled-pngpp/

%changelog
* Wed Oct 21 2026 ai-importer <ai-importer@openeuler.org> - 1.3.1-1
- Initial import (ROS batch)
- 源自 tier4/nebula monorepo,commit 8be1ed775b02985eadafe39b00e0e4fc944114e2
- ament_cmake 形态(autoware_cmake 封装),构建至 /opt/ros/humble 前缀
- 修复构建:vendor png++ 0.2.10 header-only 库(openEuler 无 png++ 包),
  解决 downsample_mask.hpp #include <png++/error.hpp> 缺失;补 libpng-devel 提供 png.h