diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7e67606..e9de2b8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -96,9 +96,16 @@ if(GCTL_FOUND)
     add_example(core windowfunc_ex ON OFF OFF OFF)
 endif()
 
-#if(GCTL_FOUND AND GCTL_MESH_FOUND)
-#    add_example(mesh create_tin_ex1 ON ON OFF OFF)
-#    add_example(mesh create_tin_ex2 ON ON OFF OFF)
-#    add_example(mesh create_tin_ex3 ON ON OFF OFF)
-#    add_example(mesh create_tin_ex4 ON ON OFF OFF)
-#endif()
\ No newline at end of file
+if(GCTL_FOUND AND GCTL_OPTIMIZATION_FOUND)
+    add_example(optimization ex1 ON OFF ON OFF)
+    add_example(optimization ex2 ON OFF ON OFF)
+    add_example(optimization ex3 ON OFF ON OFF)
+    add_example(optimization ex4 ON OFF ON OFF)
+    add_example(optimization ex5 ON OFF ON OFF)
+    add_example(optimization ex6 ON OFF ON OFF)
+    add_example(optimization ex7 ON OFF ON OFF)
+    add_example(optimization ex8 ON OFF ON OFF)
+    add_example(optimization ex9 ON OFF ON OFF)
+    add_example(optimization ex10 ON OFF ON OFF)
+    add_example(optimization cfg_ex ON OFF ON OFF)
+endif()
\ No newline at end of file