Remove lttng-ust dependency

- Remove lttng-ust dependency
- meson option: disable tracing

Resolves: RHEL-81888

libcamera.spec

@@ -1,6 +1,6 @@
 Name:    libcamera
 Version: 0.3.2
-Release: 2%{?dist}
+Release: 3%{?dist}
 Summary: A library to support complex camera ISPs
 # see .reuse/dep5 and COPYING for details
 License: LGPL-2.1-or-later
@@ -34,7 +34,6 @@ BuildRequires: libatomic
 BuildRequires: libevent-devel
 BuildRequires: libtiff-devel
 BuildRequires: libyaml-devel
-BuildRequires: lttng-ust-devel
 BuildRequires: pkgconfig(Qt6Core)
 BuildRequires: pkgconfig(Qt6Gui)
 BuildRequires: pkgconfig(Qt6OpenGL)
@@ -129,7 +128,7 @@ Python bindings for %{name}
 export CFLAGS="%{optflags} -Wno-deprecated-declarations"
 export CXXFLAGS="%{optflags} -Wno-deprecated-declarations"
 
-%meson -Dv4l2=true -Dlc-compliance=disabled
+%meson -Dv4l2=true -Dlc-compliance=disabled -Dtracing=disabled
 %meson_build
 
 # Stripping requires the re-signing of IPA libraries, manually
@@ -202,6 +201,10 @@ rm -rf ${RPM_BUILD_ROOT}/%{_docdir}/%{name}-*/html/.doctrees
 %{python3_sitearch}/*
 
 %changelog
+* Mon Mar 03 2025 Kate Hsuan <hpa@redhat.com> - 0.3.2-3
+- Drop the lttng-ust dependency
+- Disable tracing
+
 * Sat Jan 11 2025 Kate Hsuan <hpa@redhat.com> - 0.3.2-2
 - Disable lc-compliance
 - Removed the gtest dependency from the libcamera-tools package