Properly link flecs library

engine/libs/flecs/test/cpp_api/src/PrettyFunction.cpp

@@ -0,0 +1,31 @@
+#include <cpp_api.h>
+#include <iostream>
+
+// Helper to debug differences in function name strings across compilers
+
+enum Color {
+    Red, Green, Blue
+};
+
+template <typename T>
+static size_t pretty_type() {
+    std::cout << ECS_FUNC_NAME << std::endl;
+    return 0;
+}
+
+template <typename E, E C>
+static size_t pretty_enum() {
+    std::cout << ECS_FUNC_NAME << std::endl;
+    return 0;
+}
+
+void PrettyFunction_component(void) {
+    pretty_type<Position>();
+    test_assert(true);
+}
+
+void PrettyFunction_enum(void) {
+    pretty_enum<Color, Color::Red>();
+    pretty_enum<Color, (Color)3>();
+    test_assert(true);
+}