diff --git a/lutin/z_builder/lutinBuilder_binary.py b/lutin/z_builder/lutinBuilder_binary.py
index 12e24bf..8a61438 100644
--- a/lutin/z_builder/lutinBuilder_binary.py
+++ b/lutin/z_builder/lutinBuilder_binary.py
@@ -122,6 +122,18 @@ def link(file, binary, target, depancy, flags, name, basic_path, static = False)
 		cmd.append(target.global_flags_ld)
 	except:
 		pass
+	for view in ["local", "export"]:
+		if view not in flags:
+			continue
+		for type in ["link-lib"]:
+			if type in flags[view]:
+				cmd.append([("-l" + sss).replace("-l/", "/") for sss in flags[view][type] ])
+	for type in ["link-lib"]:
+		if type in depancy.flags:
+			cmd.append([("-l" + sss).replace("-l/", "/") for sss in depancy.flags[type] ])
+	for type in ["link-lib"]:
+		if type in target.global_flags:
+			cmd.append([("-l" + sss).replace("-l/", "/") for sss in target.global_flags[type] ])
 	cmd_line = tools.list_to_str(cmd)
 	# check the dependency for this file :
 	if     depend.need_re_package(file_dst, file_src, True, file_cmd=file_cmd, cmd_line=cmd_line) == False \
diff --git a/lutin/z_builder/lutinBuilder_libraryDynamic.py b/lutin/z_builder/lutinBuilder_libraryDynamic.py
index 8f40760..0ddb791 100644
--- a/lutin/z_builder/lutinBuilder_libraryDynamic.py
+++ b/lutin/z_builder/lutinBuilder_libraryDynamic.py
@@ -82,26 +82,19 @@ def link(file, binary, target, depancy, flags, name, basic_path, static=False):
 	except:
 		pass
 	for view in ["local", "export"]:
+		if view not in flags:
+			continue
 		for type in ["link", "link-dynamic"]:
-			try:
+			if type in flags[view]:
 				cmd.append(flags[view][type])
-			except:
-				pass
 	for type in ["link", "link-dynamic"]:
-		try:
+		if type in depancy.flags:
 			cmd.append(depancy.flags[type])
-		except:
-			pass
 	for type in ["link", "link-dynamic"]:
-		try:
+		if type in target.global_flags:
 			cmd.append(target.global_flags[type])
-		except:
-			pass
-	try:
-		# keep only compilated files ...
+	if 'src' in depancy.src:
 		cmd.append(tools.filter_extention(depancy.src['src'], get_input_type()))
-	except:
-		pass
 	try:
 		cmd.append(list_static)
 	except:
@@ -118,6 +111,18 @@ def link(file, binary, target, depancy, flags, name, basic_path, static=False):
 				cmd.append("-Wl,-R$ORIGIN/../lib/")
 	except:
 		pass
+	for view in ["local", "export"]:
+		if view not in flags:
+			continue
+		for type in ["link-lib"]:
+			if type in flags[view]:
+				cmd.append([("-l" + sss).replace("-l/", "/") for sss in flags[view][type] ])
+	for type in ["link-lib"]:
+		if type in depancy.flags:
+			cmd.append([("-l" + sss).replace("-l/", "/") for sss in depancy.flags[type] ])
+	for type in ["link-lib"]:
+		if type in target.global_flags:
+			cmd.append([("-l" + sss).replace("-l/", "/") for sss in target.global_flags[type] ])
 	cmdLine=tools.list_to_str(cmd)
 	# check the dependency for this file :
 	if     depend.need_re_package(file_dst, file_src, True, file_cmd, cmdLine) == False \
diff --git a/lutin/z_system/lutinSystem_Android_SDK.py b/lutin/z_system/lutinSystem_Android_SDK.py
index d78a4b9..47c89dd 100644
--- a/lutin/z_system/lutinSystem_Android_SDK.py
+++ b/lutin/z_system/lutinSystem_Android_SDK.py
@@ -23,8 +23,8 @@ class System(system.System):
 		self.valid = True
 		# todo : create a searcher of the presence of the library:
 		self.add_export_sources(jar_file_path)
-		self.add_export_flag("link", "-ldl")
-		self.add_export_flag("link", "-llog")
-		self.add_export_flag("link", "-landroid")
+		self.add_export_flag("link-lib", "dl")
+		self.add_export_flag("link-lib", "log")
+		self.add_export_flag("link-lib", "android")
 
 
diff --git a/lutin/z_system/lutinSystem_Android_m.py b/lutin/z_system/lutinSystem_Android_m.py
new file mode 100644
index 0000000..f1ebe67
--- /dev/null
+++ b/lutin/z_system/lutinSystem_Android_m.py
@@ -0,0 +1,25 @@
+#!/usr/bin/python
+##
+## @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
+import os
+
+class System(system.System):
+	def __init__(self, target):
+		system.System.__init__(self)
+		# create some HELP:
+		self.help="M : m library \n base of std libs (availlagle in GNU C lib and bionic"
+		# No check ==> on the basic std libs:
+		self.valid = True
+		# todo : create a searcher of the presence of the library:
+		self.add_export_flag("link-lib", "m")
+
+
diff --git a/lutin/z_system/lutinSystem_IOs_m.py b/lutin/z_system/lutinSystem_IOs_m.py
new file mode 100644
index 0000000..f1ebe67
--- /dev/null
+++ b/lutin/z_system/lutinSystem_IOs_m.py
@@ -0,0 +1,25 @@
+#!/usr/bin/python
+##
+## @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
+import os
+
+class System(system.System):
+	def __init__(self, target):
+		system.System.__init__(self)
+		# create some HELP:
+		self.help="M : m library \n base of std libs (availlagle in GNU C lib and bionic"
+		# No check ==> on the basic std libs:
+		self.valid = True
+		# todo : create a searcher of the presence of the library:
+		self.add_export_flag("link-lib", "m")
+
+
diff --git a/lutin/z_system/lutinSystem_Linux_alsa.py b/lutin/z_system/lutinSystem_Linux_alsa.py
index 3b34e22..1e10201 100644
--- a/lutin/z_system/lutinSystem_Linux_alsa.py
+++ b/lutin/z_system/lutinSystem_Linux_alsa.py
@@ -24,6 +24,6 @@ class System(system.System):
 			return;
 		self.valid = True
 		# todo : create a searcher of the presence of the library:
-		self.add_export_flag("link", "-lasound")
+		self.add_export_flag("link-lib", "asound")
 
 
diff --git a/lutin/z_system/lutinSystem_Linux_boost.py b/lutin/z_system/lutinSystem_Linux_boost.py
index a1c5709..fc35a21 100644
--- a/lutin/z_system/lutinSystem_Linux_boost.py
+++ b/lutin/z_system/lutinSystem_Linux_boost.py
@@ -23,10 +23,10 @@ class System(system.System):
 			return;
 		self.valid = True
 		# todo : create a searcher of the presence of the library:
-		self.add_export_flag("link", [
-		    "-lboost_system",
-		    "-lboost_thread",
-		    "-lboost_chrono"
+		self.add_export_flag("link-lib", [
+		    "boost_system",
+		    "boost_thread",
+		    "boost_chrono"
 		    ])
 		
 
diff --git a/lutin/z_system/lutinSystem_Linux_jack.py b/lutin/z_system/lutinSystem_Linux_jack.py
index 032d40f..6c92131 100644
--- a/lutin/z_system/lutinSystem_Linux_jack.py
+++ b/lutin/z_system/lutinSystem_Linux_jack.py
@@ -23,6 +23,6 @@ class System(system.System):
 			return;
 		self.valid = True
 		# todo : create a searcher of the presence of the library:
-		self.add_export_flag("link", "-ljack")
+		self.add_export_flag("link-lib", "jack")
 
 
diff --git a/lutin/z_system/lutinSystem_Linux_m.py b/lutin/z_system/lutinSystem_Linux_m.py
index 55e8c8c..f1ebe67 100644
--- a/lutin/z_system/lutinSystem_Linux_m.py
+++ b/lutin/z_system/lutinSystem_Linux_m.py
@@ -20,6 +20,6 @@ class System(system.System):
 		# No check ==> on the basic std libs:
 		self.valid = True
 		# todo : create a searcher of the presence of the library:
-		self.add_export_flag("link", "-lm")
+		self.add_export_flag("link-lib", "m")
 
 
diff --git a/lutin/z_system/lutinSystem_Linux_oss.py b/lutin/z_system/lutinSystem_Linux_oss.py
index 0f947c0..f29e991 100644
--- a/lutin/z_system/lutinSystem_Linux_oss.py
+++ b/lutin/z_system/lutinSystem_Linux_oss.py
@@ -24,7 +24,7 @@ class System(system.System):
 			return;
 		self.valid = True
 		# todo : create a searcher of the presence of the library:
-		self.add_export_flag("link", "-ljack")
+		self.add_export_flag("link-lib", "oss")
 		"""
 
 
diff --git a/lutin/z_system/lutinSystem_Linux_pulse.py b/lutin/z_system/lutinSystem_Linux_pulse.py
index e5c2008..397c8c0 100644
--- a/lutin/z_system/lutinSystem_Linux_pulse.py
+++ b/lutin/z_system/lutinSystem_Linux_pulse.py
@@ -23,6 +23,6 @@ class System(system.System):
 			return;
 		self.valid = True
 		# todo : create a searcher of the presence of the library:
-		self.add_export_flag("link", ["-lpulse-simple", "-lpulse"])
+		self.add_export_flag("link-lib", ["pulse-simple", "pulse"])
 
 
diff --git a/lutin/z_system/lutinSystem_Linux_z.py b/lutin/z_system/lutinSystem_Linux_z.py
index a2d3815..9f8e949 100644
--- a/lutin/z_system/lutinSystem_Linux_z.py
+++ b/lutin/z_system/lutinSystem_Linux_z.py
@@ -23,6 +23,6 @@ class System(system.System):
 			return;
 		self.valid = True
 		# todo : create a searcher of the presence of the library:
-		self.add_export_flag("link", "-lz")
+		self.add_export_flag("link-lib", "z")
 
 
diff --git a/lutin/z_system/lutinSystem_MacOs_m.py b/lutin/z_system/lutinSystem_MacOs_m.py
new file mode 100644
index 0000000..f1ebe67
--- /dev/null
+++ b/lutin/z_system/lutinSystem_MacOs_m.py
@@ -0,0 +1,25 @@
+#!/usr/bin/python
+##
+## @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
+import os
+
+class System(system.System):
+	def __init__(self, target):
+		system.System.__init__(self)
+		# create some HELP:
+		self.help="M : m library \n base of std libs (availlagle in GNU C lib and bionic"
+		# No check ==> on the basic std libs:
+		self.valid = True
+		# todo : create a searcher of the presence of the library:
+		self.add_export_flag("link-lib", "m")
+
+
diff --git a/lutin/z_system/lutinSystem_Windows_ds.py b/lutin/z_system/lutinSystem_Windows_ds.py
index df2eb82..937fd14 100644
--- a/lutin/z_system/lutinSystem_Windows_ds.py
+++ b/lutin/z_system/lutinSystem_Windows_ds.py
@@ -23,10 +23,10 @@ class System(system.System):
 			return;
 		self.valid = True
 		# todo : create a searcher of the presence of the library:
-		self.add_export_flag("link",[
-		    "-ldsound",
-		    "-lwinmm",
-		    "-lole32"
+		self.add_export_flag("link-lib",[
+		    "dsound",
+		    "winmm",
+		    "ole32"
 		    ])
 
 
diff --git a/lutin/z_system/lutinSystem_Windows_m.py b/lutin/z_system/lutinSystem_Windows_m.py
new file mode 100644
index 0000000..f1ebe67
--- /dev/null
+++ b/lutin/z_system/lutinSystem_Windows_m.py
@@ -0,0 +1,25 @@
+#!/usr/bin/python
+##
+## @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
+import os
+
+class System(system.System):
+	def __init__(self, target):
+		system.System.__init__(self)
+		# create some HELP:
+		self.help="M : m library \n base of std libs (availlagle in GNU C lib and bionic"
+		# No check ==> on the basic std libs:
+		self.valid = True
+		# todo : create a searcher of the presence of the library:
+		self.add_export_flag("link-lib", "m")
+
+