Properly link flecs library

engine/libs/flecs/examples/c/reflection/auto_define_struct/include/auto_define_struct.h

@@ -0,0 +1,16 @@
+#ifndef AUTO_DEFINE_STRUCT_H
+#define AUTO_DEFINE_STRUCT_H
+
+/* This generated file contains includes for project dependencies */
+#include "auto_define_struct/bake_config.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+

engine/libs/flecs/examples/c/reflection/auto_define_struct/include/auto_define_struct/bake_config.h

@@ -0,0 +1,24 @@
+/*
+                                   )
+                                  (.)
+                                  .|.
+                                  | |
+                              _.--| |--._
+                           .-';  ;`-'& ; `&.
+                          \   &  ;    &   &_/
+                           |"""---...---"""|
+                           \ | | | | | | | /
+                            `---.|.|.|.---'
+
+ * This file is generated by bake.lang.c for your convenience. Headers of
+ * dependencies will automatically show up in this file. Include bake_config.h
+ * in your main project file. Do not edit! */
+
+#ifndef AUTO_DEFINE_STRUCT_BAKE_CONFIG_H
+#define AUTO_DEFINE_STRUCT_BAKE_CONFIG_H
+
+/* Headers of public dependencies */
+#include <flecs.h>
+
+#endif
+

engine/libs/flecs/examples/c/reflection/auto_define_struct/project.json

@@ -0,0 +1,12 @@
+{
+    "id": "auto_define_struct",
+    "type": "application",
+    "value": {
+        "author": "Jane Doe",
+        "description": "A simple hello world flecs application",
+        "use": [
+            "flecs"
+        ],
+        "public": false
+    }
+}

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

@@ -0,0 +1,23 @@
+#include <auto_define_struct.h>
+#include <stdio.h>
+
+// This type captured is used later to inject reflection data for Position
+ECS_STRUCT(Position, {
+    float x;
+    float y;
+});
+
+int main(int argc, char *argv[]) {
+    ecs_world_t *ecs = ecs_init_w_args(argc, argv);
+
+    // This registers the component with reflection data
+    ECS_META_COMPONENT(ecs, Position);
+
+    // Serialize as usual
+    Position value = {10, 20};
+    char *json = ecs_ptr_to_json(ecs, ecs_id(Position), &value);
+    printf("%s\n", json); // {"x": 10.0, "y": 20.0}
+    ecs_os_free(json);
+
+    return ecs_fini(ecs);
+}