diff --git a/code/CMakeModules/nel.cmake b/code/CMakeModules/nel.cmake
index 3c80758bf..ad57d6a42 100644
--- a/code/CMakeModules/nel.cmake
+++ b/code/CMakeModules/nel.cmake
@@ -881,14 +881,14 @@ MACRO(NL_SETUP_BUILD)
     ENDIF()
 
     IF(WITH_WARNINGS)
-      ADD_PLATFORM_FLAGS("-Wall -W")
+      ADD_PLATFORM_FLAGS("-Wall")
     ELSE()
       # Check wrong formats in printf-like functions
       ADD_PLATFORM_FLAGS("-Wformat -Werror=format-security")
     ENDIF()
 
     # never display these warnings because they are minor
-    ADD_PLATFORM_FLAGS("-Wno-unused-parameter")
+    ADD_PLATFORM_FLAGS("-Wno-unused-parameter -Wno-unused-private-field -Wno-unused-local-typedef -Wno-unused-variable")
 
     IF(ANDROID)
       ADD_PLATFORM_FLAGS("--sysroot=${PLATFORM_ROOT}")
diff --git a/code/nel/src/3d/driver/opengl/driver_opengl_window.cpp b/code/nel/src/3d/driver/opengl/driver_opengl_window.cpp
index 9514d938f..171214384 100644
--- a/code/nel/src/3d/driver/opengl/driver_opengl_window.cpp
+++ b/code/nel/src/3d/driver/opengl/driver_opengl_window.cpp
@@ -501,8 +501,11 @@ bool CDriverGL::unInit()
 	// restore default X errors handler
 	XSetErrorHandler(NULL);
 
-	XCloseDisplay(_dpy);
-	_dpy = NULL;
+	if (_dpy)
+	{
+		XCloseDisplay(_dpy);
+		_dpy = NULL;
+	}
 
 #endif // NL_OS_UNIX
 
diff --git a/code/nel/tools/3d/plugin_max/nel_mesh_lib/export_skinning.cpp b/code/nel/tools/3d/plugin_max/nel_mesh_lib/export_skinning.cpp
index cf084901d..d5030ee9d 100644
--- a/code/nel/tools/3d/plugin_max/nel_mesh_lib/export_skinning.cpp
+++ b/code/nel/tools/3d/plugin_max/nel_mesh_lib/export_skinning.cpp
@@ -724,7 +724,7 @@ uint CExportNel::buildSkinning (CMesh::CMeshBuild& buildMesh, const TInodePtrInt
 									nlassert (node);
 
 									// Insert in the map
-									weightMap.insert (std::map<float, INode*>::value_type (1, node));
+									weightMap.insert (std::map<float, INode*>::value_type (1.f, node));
 								}
 							}
 
diff --git a/code/nel/tools/3d/plugin_max/nel_patch_edit/np.cpp b/code/nel/tools/3d/plugin_max/nel_patch_edit/np.cpp
index 980bb64d8..2d1fbd707 100644
--- a/code/nel/tools/3d/plugin_max/nel_patch_edit/np.cpp
+++ b/code/nel/tools/3d/plugin_max/nel_patch_edit/np.cpp
@@ -589,10 +589,10 @@ void EditPatchMod::UpdateSelectDisplay()
 				for (j = 0; j < thePatch->tileSel.GetSize(); j++)
 					if (thePatch->tileSel[j])
 						break;
-				buf.printf("Tile %d Selected", j + 1);
+				buf.printf(_T("Tile %d Selected"), j + 1);
 			}
 			else
-				buf.printf("%d Tiles Selected", num);
+				buf.printf(_T("%d Tiles Selected"), num);
 		}
 	break;
 	}
@@ -733,7 +733,7 @@ void EditPatchMod::DoVertReset ()
 	}
 	
 	ResolveTopoChanges();
-	theHold.Accept("Reset Vertex");
+	theHold.Accept(_M("Reset Vertex"));
 	/*if (holdNeeded)
 	{
 		ResolveTopoChanges();
diff --git a/code/nel/tools/3d/plugin_max/nel_patch_edit/np_epm_tess.cpp b/code/nel/tools/3d/plugin_max/nel_patch_edit/np_epm_tess.cpp
index 0823afbd4..9cfe2ff95 100644
--- a/code/nel/tools/3d/plugin_max/nel_patch_edit/np_epm_tess.cpp
+++ b/code/nel/tools/3d/plugin_max/nel_patch_edit/np_epm_tess.cpp
@@ -223,7 +223,7 @@ BOOL CALLBACK PatchObjSurfDlgProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM
 
 		 	ep =(EditPatchMod *)lParam;
 		 	ep->hSurfPanel = hDlg;
-			SetWindowLongPtr(hDlg, GWLP_USERDATA, (LONG)ep);		 	
+			SetWindowLongPtr(hDlg, GWLP_USERDATA, (LONG_PTR)ep);		 	
 			if (!ep->settingViewportTess  && ep->settingDisp && ep->GetProdTess().type == TESS_SET)
 				ep->settingDisp = FALSE;
 			TessApprox t;
diff --git a/code/nel/tools/3d/plugin_max/nel_patch_paint/DllEntry.cpp b/code/nel/tools/3d/plugin_max/nel_patch_paint/DllEntry.cpp
index 7afde8938..549c033ae 100644
--- a/code/nel/tools/3d/plugin_max/nel_patch_paint/DllEntry.cpp
+++ b/code/nel/tools/3d/plugin_max/nel_patch_paint/DllEntry.cpp
@@ -64,7 +64,7 @@ BOOL WINAPI DllMain(HINSTANCE hinstDLL,ULONG fdwReason,LPVOID lpvReserved)
 __declspec( dllexport ) const TCHAR *
 LibDescription() 
 { 
-	return "NeL patch painter"; 
+	return _T("NeL patch painter");
 }
 
 
diff --git a/code/ryzom/client/src/character_cl.cpp b/code/ryzom/client/src/character_cl.cpp
index c66b80576..3698ea80d 100644
--- a/code/ryzom/client/src/character_cl.cpp
+++ b/code/ryzom/client/src/character_cl.cpp
@@ -8852,7 +8852,7 @@ void CCharacterCL::animIndex(TAnimationType channel, CAnimation::TAnimId index)
 	else
 	{
 		// Check the AnimSet needed to get the animation Id.
-		CHECK(_CurrentAnimSet[channel]);
+		CHECK(_CurrentAnimSet[channel] != NULL);
 		// Get the Pointer on the animation state, if Null, return empty
 		const CAnimationState *animStatePtr = _CurrentAnimSet[channel]->getAnimationState( (animState(channel)==CAnimationStateSheet::Emote)?_SubStateKey:animState(channel));
 		if(animStatePtr == 0)
diff --git a/code/ryzom/client/src/r2/instance_map_deco.cpp b/code/ryzom/client/src/r2/instance_map_deco.cpp
index fc5fe314b..add9e36c6 100644
--- a/code/ryzom/client/src/r2/instance_map_deco.cpp
+++ b/code/ryzom/client/src/r2/instance_map_deco.cpp
@@ -386,7 +386,7 @@ void CInstanceMapDeco::onUpdate(CGroupMap &groupMap)
 			}
 			float size = CV_MapEntityFarArrowSize.get();
 			// TMP TMP
-			size = size;
+//			size = size;
 			float bias = 1.f;
 			dir.normalize();
 			CVector2f winInter;
diff --git a/dist/snap/readme.txt b/dist/snap/readme.txt
new file mode 100644
index 000000000..a2585a914
--- /dev/null
+++ b/dist/snap/readme.txt
@@ -0,0 +1,5 @@
+- to install snapcraft : sudo apt-get install snapcraft snapd
+- to generate snap : snapcraft
+- to clean build directory : snapcraft clean ryzom --step build
+- to install a .snap : sudo snap install <file .snap> --dangerous
+- to uninstall an installed .snap : sudo snap remove ryzom