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+# topdir: yaets-1.2.0
+%define ros_distro humble
+%define RosPkgName yaets
+
+Name:       ros-%{ros_distro}-%{RosPkgName}
+Version:    1.2.0
+Release:    1%{?dist}
+Summary:    Yet Another Execution Tracing System - C++ async tracing library for ROS2
+License:    Apache-2.0
+URL:        https://github.com/fmrico/yaets
+Source0:    https://github.com/fmrico/yaets/archive/refs/heads/rolling.tar.gz#/yaets-%{version}.tar.gz
+
+# debug subpackage meaningless under /opt prefix
+%global debug_package %{nil}
+# suppress python bytecode compilation into standard sitelib paths
+%global __os_install_post %(echo '%{__os_install_post}' | sed -e 's!/usr/lib[^[:space:]]*/brp-python-bytecompile[[:space:]].*$!!g')
+# ROS packages under /opt/ros use ament indirect dependency model, not RPM autodeps
+%global __provides_exclude_from ^/opt/ros/%{ros_distro}/.*$
+%global __requires_exclude_from ^/opt/ros/%{ros_distro}/.*$
+
+BuildRequires:  cmake
+BuildRequires:  gcc-c++
+BuildRequires:  ros-%{ros_distro}-ament-cmake
+
+Requires:  ros-%{ros_distro}-ros-workspace
+Requires:  python3-matplotlib
+
+# virtual subpackage aliases (single-package strategy per ROS SIG template)
+Provides:  %{name}-devel = %{version}-%{release}
+Provides:  %{name}-doc = %{version}-%{release}
+Provides:  %{name}-runtime = %{version}-%{release}
+
+%description
+YAETS (Yet Another Execution Tracing System) is a C++ library for
+asynchronous function execution tracing, combined with Python tools
+for analyzing results through Gantt charts and histograms.
+The library provides TraceSession, TraceGuard, NamedSharedTrace, and
+TraceRegistry classes for efficient, thread-safe tracing with minimal
+performance overhead.
+
+%prep
+%autosetup -n yaets-%{version}
+
+%build
+# ROS base environment (guard for missing setup.sh in minimal buildroots)
+[ -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
+cmake \
+  -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 \
+  ..
+make %{?_smp_mflags}
+
+%install
+[ -f /opt/ros/%{ros_distro}/setup.sh ] && source /opt/ros/%{ros_distro}/setup.sh || true
+cd .obj
+make install DESTDIR=%{buildroot}
+
+%files
+/opt/ros/%{ros_distro}
+
+%changelog
+* Sat Oct 10 2026 ROS_Bot <ROS_Bot@openeuler.org> - 1.2.0-1
+- Initial package