diff --git a/lutin/z_system/lutinSystem_Linux_opengl.py b/lutin/z_system/lutinSystem_Linux_opengl.py
index e70b0cb..469be54 100644
--- a/lutin/z_system/lutinSystem_Linux_opengl.py
+++ b/lutin/z_system/lutinSystem_Linux_opengl.py
@@ -34,14 +34,8 @@ class System(system.System):
 			    recursive=True)
 		
 		"""
-		if target.name=="Linux":
-			
-		elif target.name=="Android":
+		if target.name=="Android":
 			my_module.add_flag('link-lib', "GLESv2")
-		elif target.name=="Windows":
-			my_module.add_depend([
-			    "glew"
-			    ])
 		elif target.name=="MacOs":
 			my_module.add_flag('link', [
 			    "-framework OpenGL"])
diff --git a/lutin/z_system/lutinSystem_Windows_c.py b/lutin/z_system/lutinSystem_Windows_c.py
new file mode 100644
index 0000000..0118adc
--- /dev/null
+++ b/lutin/z_system/lutinSystem_Windows_c.py
@@ -0,0 +1,23 @@
+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+##
+## @author Edouard DUPIN
+##
+## @copyright 2012, Edouard DUPIN, all right reserved
+##
+## @license APACHE v2.0 (see license file)
+##
+
+from lutin import debug
+from lutin import system
+from lutin import tools
+from lutin import env
+import os
+
+class System(system.System):
+	def __init__(self, target):
+		system.System.__init__(self)
+		# create some HELP:
+		self.set_help("C: Generic C library")
+		self.set_valid(True)
+
diff --git a/lutin/z_system/lutinSystem_Windows_opengl.py b/lutin/z_system/lutinSystem_Windows_opengl.py
new file mode 100644
index 0000000..8fcd67b
--- /dev/null
+++ b/lutin/z_system/lutinSystem_Windows_opengl.py
@@ -0,0 +1,29 @@
+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+##
+## @author Edouard DUPIN
+##
+## @copyright 2012, Edouard DUPIN, all right reserved
+##
+## @license APACHE v2.0 (see license file)
+##
+
+from lutin import debug
+from lutin import system
+from lutin import tools
+from lutin import env
+import os
+
+class System(system.System):
+	def __init__(self, target):
+		system.System.__init__(self)
+		# create some HELP:
+		self.set_help("OpenGL: Generic graphic library")
+		self.set_valid(True)
+		# TODO: this is a real bad dependency ...
+		self.add_depend([
+		    'glew'
+		    ])
+		
+
+