xo-reader2: + DDefineSsm + utest

xo-reader2/utest/reader2_utest_main.cpp

@@ -0,0 +1,27 @@
+/** @file reader2_utest_main.cpp
+ *
+ *  @author Roland Conybeare, Jan 2026
+ **/
+
+#include <xo/subsys/Subsystem.hpp>
+
+#define CATCH_CONFIG_RUNNER
+#include "catch2/catch.hpp"
+
+int
+main(int argc, char* argv[])
+{
+    using xo::Subsystem;
+
+    // initialize subsystems
+    Subsystem::initialize_all();
+
+    // Run Catch2's test session
+    int result = Catch::Session().run(argc, argv);
+
+    // cleanup here, if any
+
+    return result;
+}
+
+/* end reader2_utest_main.cpp */