diff --git a/lutinHeritage.py b/lutinHeritage.py
index fc4a746..47b89f5 100644
--- a/lutinHeritage.py
+++ b/lutinHeritage.py
@@ -31,6 +31,7 @@ class HeritageList:
 		self.flags_xx=[]
 		self.flags_m=[]
 		self.flags_mm=[]
+		self.flags_xx_version=1999
 		# sources list:
 		self.src=[]
 		self.path=[]
@@ -64,6 +65,7 @@ class HeritageList:
 		self.flags_ld=[]
 		self.flags_cc=[]
 		self.flags_xx=[]
+		self.flags_xx_version=1999
 		self.flags_m=[]
 		self.flags_mm=[]
 		# sources list:
@@ -105,7 +107,8 @@ class HeritageList:
 			append_to_list(self.flags_mm, element.flags_mm)
 			append_to_list(self.path, element.path)
 			append_to_list(self.src, element.src)
-		
+			if self.flags_xx_version < element.flags_xx_version:
+				self.flags_xx_version = element.flags_xx_version
 
 
 class heritage:
@@ -117,6 +120,7 @@ class heritage:
 		self.flags_ld=[]
 		self.flags_cc=[]
 		self.flags_xx=[]
+		self.flags_xx_version=1999
 		self.flags_m=[]
 		self.flags_mm=[]
 		# sources list:
@@ -135,6 +139,7 @@ class heritage:
 			self.flags_m = module.export_flags_m
 			self.flags_mm = module.export_flags_mm
 			self.path = module.export_path
+			self.flags_xx_version = module.xx_version_api
 	
 	def add_depends(self, depend):
 		self.depends.append(depend)
@@ -176,3 +181,7 @@ class heritage:
 		self.add_flag_MM(other.flags_mm)
 		self.add_import_path(other.path)
 		self.add_sources(other.src)
+		if self.flags_xx_version < module.xx_version_api:
+			self.flags_xx_version = module.xx_version_api
+
+
diff --git a/lutinModule.py b/lutinModule.py
index 8e08bbd..35bb596 100644
--- a/lutinModule.py
+++ b/lutinModule.py
@@ -70,6 +70,9 @@ class Module:
 		self.files = []
 		self.folders = []
 		self.isbuild = False
+		# CPP version:
+		self.xx_version = 1999
+		self.xx_version_api = 1999
 		## end of basic INIT ...
 		if    moduleType == 'BINARY' \
 		   or moduleType == 'LIBRARY' \
@@ -137,6 +140,17 @@ class Module:
 	##
 	def compile_mm_to_o(self, file, binary, target, depancy):
 		file_src, file_dst, file_depend, file_cmd = target.file_generate_object(binary,self.name,self.originFolder,file)
+		xx_version = max(self.xx_version, depancy.flags_xx_version)
+		if xx_version == 2014:
+			debug.error("not supported flags for X14 ...");
+			local_xx_version_flags=["-std=c++14", "-D__CPP_VERSION__=2014"]
+		elif xx_version == 2011:
+			local_xx_version_flags=["-std=c++11", "-D__CPP_VERSION__=2011"]
+		elif xx_version == 2003:
+			local_xx_version_flags=["-std=c++03", "-D__CPP_VERSION__=2003"]
+		else:
+			local_xx_version_flags=["-D__CPP_VERSION__=1999"]
+		
 		# create the command line befor requesting start:
 		cmdLine=lutinTools.list_to_str([
 			target.xx,
@@ -147,6 +161,7 @@ class Module:
 			lutinTools.add_prefix("-I",self.export_path),
 			lutinTools.add_prefix("-I",self.local_path),
 			lutinTools.add_prefix("-I",depancy.path),
+			local_xx_version_flags,
 			target.global_flags_cc,
 			target.global_flags_mm,
 			depancy.flags_cc,
@@ -207,6 +222,17 @@ class Module:
 	##
 	def compile_xx_to_o(self, file, binary, target, depancy):
 		file_src, file_dst, file_depend, file_cmd = target.file_generate_object(binary,self.name,self.originFolder,file)
+		xx_version = max(self.xx_version, depancy.flags_xx_version)
+		if xx_version == 2014:
+			debug.error("not supported flags for X14 ...");
+			local_xx_version_flags=["-std=c++14", "-D__CPP_VERSION__=2014"]
+		elif xx_version == 2011:
+			local_xx_version_flags=["-std=c++11", "-D__CPP_VERSION__=2011"]
+		elif xx_version == 2003:
+			local_xx_version_flags=["-std=c++03", "-D__CPP_VERSION__=2003"]
+		else:
+			local_xx_version_flags=["-D__CPP_VERSION__=1999"]
+		
 		# create the command line befor requesting start:
 		cmdLine=lutinTools.list_to_str([
 			target.xx,
@@ -217,6 +243,7 @@ class Module:
 			lutinTools.add_prefix("-I",self.export_path),
 			lutinTools.add_prefix("-I",self.local_path),
 			lutinTools.add_prefix("-I",depancy.path),
+			local_xx_version_flags,
 			target.global_flags_cc,
 			target.global_flags_xx,
 			depancy.flags_cc,
@@ -627,6 +654,14 @@ class Module:
 	def compile_flags_S(self, list):
 		self.append_to_internalList(self.flags_s, list)
 	
+	def compile_version_XX(self, version, same_as_api=True):
+		cpp_version_list = [1999, 2003, 2011, 2014]
+		if version not in cpp_version_list:
+			debug.error("can not select CPP version : " + str(version) + " not in " + str(cpp_version_list))
+		self.xx_version = version
+		if same_as_api == True:
+			self.xx_version_api = self.xx_version
+	
 	def add_src_file(self, list):
 		self.append_to_internalList(self.src, list, True)
 	
diff --git a/lutinTarget.py b/lutinTarget.py
index 60d8922..304bba8 100644
--- a/lutinTarget.py
+++ b/lutinTarget.py
@@ -62,18 +62,8 @@ class Target:
 		
 		self.global_flags_xx=[]
 		self.global_flags_mm=[]
-		if self.name != "Windows":
-			if    self.config["compilator"] == "clang" \
-			   or self.xx_version > 4007000:
-				#self.global_flags_xx=['-std=c++11']
-				#self.global_flags_mm=['-std=c++11']
-				pass
-			else:
-				#self.global_flags_xx=['-std=c++0x']
-				#self.global_flags_mm=['-std=c++0x']
-				pass
-		else:
-			self.global_flags_xx=['-static-libgcc', '-static-libstdc++', '-std=c++11']
+		if self.name == "Windows":
+			self.global_flags_xx=['-static-libgcc', '-static-libstdc++']
 			self.global_flags_mm=[]
 		self.global_flags_m=[]
 		self.global_flags_ar=['rcs']