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diff --git a/nebula-core-common.spec b/nebula-core-common.spec
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+%define ros_distro humble
+%define RosPkgName nebula-core-common
+%global commit 26749c80dff89f39000a9817141143c05ec151ab
+
+Name:       ros-%{ros_distro}-%{RosPkgName}
+Version:    1.2.0
+Release:    1%{?dist}
+Summary:    Nebula Common Base Libraries and headers
+License:    Apache-2.0
+URL:        https://github.com/tier4/nebula
+Source0:    https://github.com/tier4/nebula/archive/%{commit}.tar.gz
+
+# debug 子包无意义（/opt 前缀），SIG 模板统一关闭
+%global debug_package %{nil}
+# 摘掉 brp-python-bytecompile（/opt 下路径非常规）
+%global __os_install_post %(echo '%{__os_install_post}' | sed -e 's!/usr/lib[^[:space:]]*/brp-python-bytecompile[[:space:]].*$!!g')
+# ROS 包不做自动依赖扫描（.so 全在 /opt/ros 下）
+%global __provides_exclude_from ^/opt/ros/%{ros_distro}/.*$
+%global __requires_exclude_from ^/opt/ros/%{ros_distro}/.*$
+
+BuildRequires:  ros-%{ros_distro}-autoware-cmake
+BuildRequires:  ros-%{ros_distro}-ros-environment
+BuildRequires:  boost-devel
+BuildRequires:  nlohmann-json-devel
+BuildRequires:  cmake
+BuildRequires:  gcc-c++
+
+Requires:       ros-%{ros_distro}-ros-workspace
+Requires:       ros-%{ros_distro}-ament-cmake
+
+Provides:       %{name}-devel = %{version}-%{release}
+Provides:       %{name}-doc = %{version}-%{release}
+Provides:       %{name}-runtime = %{version}-%{release}
+
+%description
+Nebula Common Base Libraries and headers for the Nebula LiDAR driver framework.
+Provides core data types, utilities, and common interfaces shared across
+all Nebula sensor driver implementations.
+
+%prep
+# GitHub commit 归档解压根目录为完整 SHA（实测纪律，非 <repo>-<sha> 形式）
+%autosetup -n %{commit}
+
+%build
+[ -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}
+
+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 \
+    ../src/nebula_core/nebula_core_common
+make %{?_smp_mflags}
+
+%install
+cd .obj
+make install DESTDIR=%{buildroot}
+
+%files
+/opt/ros/%{ros_distro}/
+
+%changelog
+* Sun Sep 20 2026 ROS SIG <ros@openeuler.org> - 1.2.0-1
+- Initial package for ros-%{ros_distro}-%{RosPkgName} 1.2.0
+- Source: https://github.com/tier4/nebula commit 26749c8