switched to -std=gnu++11

AI/BattleAI/BattleAI.cbp

@@ -49,9 +49,9 @@
 		</Build>
 		<Compiler>
 			<Add option="-pedantic" />
-			<Add option="-std=c++11" />
 			<Add option="-Wextra" />
 			<Add option="-Wall" />
+			<Add option="-std=gnu++11" />
 			<Add option="-fexceptions" />
 			<Add option="-Wpointer-arith" />
 			<Add option="-Wno-switch" />

AI/EmptyAI/EmptyAI.cbp

@@ -47,9 +47,9 @@
 			</Target>
 		</Build>
 		<Compiler>
-			<Add option="-std=c++11" />
 			<Add option="-Wextra" />
 			<Add option="-Wall" />
+			<Add option="-std=gnu++11" />
 			<Add option="-fexceptions" />
 			<Add option="-Wpointer-arith" />
 			<Add option="-Wno-switch" />

AI/FuzzyLite/FuzzyLite.cbp

@@ -50,9 +50,9 @@
 			</Target>
 		</Build>
 		<Compiler>
-			<Add option="-std=c++11" />
 			<Add option="-Wextra" />
 			<Add option="-Wall" />
+			<Add option="-std=gnu++11" />
 			<Add option="-fexceptions" />
 			<Add option="-Wpointer-arith" />
 			<Add option="-Wno-switch" />

AI/StupidAI/StupidAI.cbp

@@ -33,9 +33,9 @@
 		</Build>
 		<Compiler>
 			<Add option="-pedantic" />
-			<Add option="-std=c++11" />
 			<Add option="-Wextra" />
 			<Add option="-Wall" />
+			<Add option="-std=gnu++11" />
 			<Add option="-fexceptions" />
 			<Add option="-Wpointer-arith" />
 			<Add option="-Wno-switch" />

AI/VCAI/VCAI.cbp

@@ -55,9 +55,9 @@
 		</Build>
 		<Compiler>
 			<Add option="-pedantic" />
-			<Add option="-std=c++11" />
 			<Add option="-Wextra" />
 			<Add option="-Wall" />
+			<Add option="-std=gnu++11" />
 			<Add option="-fexceptions" />
 			<Add option="-Wpointer-arith" />
 			<Add option="-Wno-switch" />

client/VCMI_client.cbp

@@ -60,9 +60,9 @@
 			</Target>
 		</Build>
 		<Compiler>
-			<Add option="-std=c++11" />
 			<Add option="-Wextra" />
 			<Add option="-Wall" />
+			<Add option="-std=gnu++11" />
 			<Add option="-fexceptions" />
 			<Add option="-Wpointer-arith" />
 			<Add option="-Wno-switch" />

lib/VCMI_lib.cbp

@@ -100,9 +100,9 @@
 			</Target>
 		</Build>
 		<Compiler>
-			<Add option="-std=c++11" />
 			<Add option="-Wextra" />
 			<Add option="-Wall" />
+			<Add option="-std=gnu++11" />
 			<Add option="-fexceptions" />
 			<Add option="-Wpointer-arith" />
 			<Add option="-Wno-switch" />

server/VCMI_server.cbp

@@ -60,9 +60,9 @@
 			</Target>
 		</Build>
 		<Compiler>
-			<Add option="-std=c++11" />
 			<Add option="-Wextra" />
 			<Add option="-Wall" />
+			<Add option="-std=gnu++11" />
 			<Add option="-fexceptions" />
 			<Add option="-Wpointer-arith" />
 			<Add option="-Wno-switch" />