ci: fix warnings on modern clang

Author: VDanielEdwards

SilKit/source/config/ParticipantConfiguration.cpp

@@ -26,7 +26,7 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
 
 namespace SilKit {
 namespace Config {
-namespace v1 {
+inline namespace v1 {
 
 auto Label::ToPublicApi() const -> SilKit::Services::MatchingLabel
 {
@@ -89,4 +89,4 @@ auto Label::VectorFromPublicApi(const std::vector<SilKit::Services::MatchingLabe
 
 } // namespace v1
 } // namespace Config
-} // namespace SilKit
+} // namespace SilKit

SilKit/source/dashboard/CMakeLists.txt

@@ -30,6 +30,7 @@ if(SILKIT_BUILD_DASHBOARD)
             target_compile_options("${TARGET_NAME}"
                 PRIVATE -Wno-gnu-zero-variadic-macro-arguments
                 PRIVATE -Wno-pessimizing-move
+                PRIVATE -Wno-c++20-extensions
             )
         endif ()
     endfunction()

SilKit/source/services/orchestration/TimeSyncService.cpp

@@ -496,7 +496,6 @@ void TimeSyncService::ExecuteSimStep(std::chrono::nanoseconds timePoint, std::ch
 
     _waitTimeMonitor.StopMeasurement();
     const auto waitingDuration = _waitTimeMonitor.CurrentDuration();
-    const auto waitingDurationMs = std::chrono::duration_cast<DoubleMSecs>(waitingDuration);
     const auto waitingDurationS = std::chrono::duration_cast<DoubleSecs>(waitingDuration);
 
     {
@@ -750,7 +749,7 @@ void TimeSyncService::StartWallClockCouplingThread(std::chrono::nanoseconds star
 {
     _wallClockCouplingThreadRunning = true;
     _currentWallClockSyncPointNs = startTimeOffset.count();
-    _wallClockCouplingThread = std::thread{[this, startTimeOffset]() {
+    _wallClockCouplingThread = std::thread{[this]() {
 
         SilKit::Util::SetThreadName("SK-WallClkSync");