3 files changed, 76 insertions, 0 deletions
diff --git a/.gitignore b/.gitignore
index e69de29..a7ef9f0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -0,0 +1 @@
+/4e01c322a5634d95b85e5a0ad73fea563456c3ca.tar.gz
diff --git a/etsi-its-cam-ts-conversion.spec b/etsi-its-cam-ts-conversion.spec
new file mode 100644
index 0000000..73f8bb8
--- /dev/null
+++ b/etsi-its-cam-ts-conversion.spec
@@ -0,0 +1,74 @@
+%define ros_distro humble
+%define RosPkgName etsi-its-cam-ts-conversion
+%global commit 4e01c322a5634d95b85e5a0ad73fea563456c3ca
+
+Name:       ros-%{ros_distro}-%{RosPkgName}
+Version:    3.5.0
+Release:    1%{?dist}
+Summary:    Conversion functions for converting ROS messages to and from ASN.1-encoded ETSI ITS CAMs (TS)
+License:    MIT
+URL:        https://github.com/ika-rwth-aachen/etsi_its_messages
+Source0:    https://github.com/ika-rwth-aachen/etsi_its_messages/archive/%{commit}.tar.gz
+
+# debug 子包无意义（/opt 前缀），统一关闭
+%global debug_package %{nil}
+# 摘掉 brp-python-bytecompile（/opt 下字节码编译路径非常规）
+%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:  cmake
+BuildRequires:  ros-%{ros_distro}-ament-cmake
+BuildRequires:  ros-%{ros_distro}-etsi-its-cam-ts-coding
+BuildRequires:  ros-%{ros_distro}-etsi-its-cam-ts-msgs
+BuildRequires:  ros-%{ros_distro}-etsi-its-primitives-conversion
+
+Requires:       ros-%{ros_distro}-ros-workspace
+Requires:       ros-%{ros_distro}-ament-cmake
+Requires:       ros-%{ros_distro}-etsi-its-cam-ts-coding
+Requires:       ros-%{ros_distro}-etsi-its-cam-ts-msgs
+Requires:       ros-%{ros_distro}-etsi-its-primitives-conversion
+
+Provides:       %{name}-devel = %{version}-%{release}
+Provides:       %{name}-doc = %{version}-%{release}
+Provides:       %{name}-runtime = %{version}-%{release}
+
+%description
+Conversion functions for converting ROS messages to and from
+ASN.1-encoded ETSI ITS CAMs (TS).
+
+Part of the etsi_its_messages suite from ika-rwth-aachen.
+
+%prep
+# 归档根目录为纯 commit SHA（实测确认）
+%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 \
+    ../etsi_its_conversion/etsi_its_cam_ts_conversion
+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> - 3.5.0-1
+- Initial package for ros-%{ros_distro}-%{RosPkgName} 3.5.0
diff --git a/sources b/sources
new file mode 100644
index 0000000..96fe9de
--- /dev/null
+++ b/sources
@@ -0,0 +1 @@
+4b64c836780fd71366e7c7ee6086390e  4e01c322a5634d95b85e5a0ad73fea563456c3ca.tar.gz