Properly link flecs library

engine/libs/flecs/examples/c/reflection/basics_enum/src/main.c

@@ -0,0 +1,49 @@
+#include <basics_enum.h>
+#include <stdio.h>
+
+typedef enum {
+    Red,
+    Green,
+    Blue
+} Color;
+
+typedef struct {
+    Color color;
+} TypeWithEnum;
+
+int main(int argc, char *argv[]) {
+    ecs_world_t *ecs = ecs_init_w_args(argc, argv);
+
+    // Register component as usual
+    ECS_COMPONENT(ecs, Color);
+    ECS_COMPONENT(ecs, TypeWithEnum);
+
+    // Add reflection data to components
+    ecs_enum(ecs, {
+        .entity = ecs_id(Color), // Make sure to use existing id
+        .constants = {
+            { .name = "Red", .value = Red },
+            { .name = "Green", .value = Green },
+            { .name = "Blue", .value = Blue }
+        }
+    });
+
+    ecs_struct(ecs, {
+        .entity = ecs_id(TypeWithEnum), // Make sure to use existing id
+        .members = {
+            { .name = "color", .type = ecs_id(Color) }
+        }
+    });
+
+    // Create entity with Position as usual
+    ecs_entity_t ent = ecs_new_id(ecs);
+    ecs_set(ecs, ent, TypeWithEnum, {Green});
+
+    // Convert position component to flecs expression string
+    const TypeWithEnum *ptr = ecs_get(ecs, ent, TypeWithEnum);
+    char *str = ecs_ptr_to_expr(ecs, ecs_id(TypeWithEnum), ptr);
+    printf("%s\n", str); // {color: Green}
+    ecs_os_free(str);
+
+    ecs_fini(ecs);
+}