diff --git a/code/CMakeModules/PCHSupport.cmake b/code/CMakeModules/PCHSupport.cmake
index 92b76513b..37f413cbd 100644
--- a/code/CMakeModules/PCHSupport.cmake
+++ b/code/CMakeModules/PCHSupport.cmake
@@ -33,17 +33,29 @@ MACRO(PCH_SET_COMPILE_FLAGS _target)
   SET(PCH_ARCHS)
 
   SET(_FLAGS)
-  LIST(APPEND _FLAGS ${CMAKE_CXX_FLAGS})
 
+  # C++ flags
+  SET(_FLAG ${CMAKE_CXX_FLAGS})
+  SEPARATE_ARGUMENTS(_FLAG)
+
+  LIST(APPEND _FLAGS ${_FLAG})
+
+  # C++ config flags
   STRING(TOUPPER "${CMAKE_BUILD_TYPE}" _UPPER_BUILD)
-  LIST(APPEND _FLAGS " ${CMAKE_CXX_FLAGS_${_UPPER_BUILD}}")
+
+  SET(_FLAG ${CMAKE_CXX_FLAGS_${_UPPER_BUILD}})
+  SEPARATE_ARGUMENTS(_FLAG)
+
+  LIST(APPEND _FLAGS ${_FLAG})
 
   GET_TARGET_PROPERTY(_targetType ${_target} TYPE)
 
   SET(_USE_PIC OFF)
 
   IF(${_targetType} STREQUAL "SHARED_LIBRARY" OR ${_targetType} STREQUAL "MODULE_LIBRARY")
-    LIST(APPEND _FLAGS " ${CMAKE_SHARED_LIBRARY_CXX_FLAGS}")
+    SET(_FLAG ${CMAKE_SHARED_LIBRARY_CXX_FLAGS})
+    SEPARATE_ARGUMENTS(_FLAG)
+    LIST(APPEND _FLAGS ${_FLAG})
   ELSE()
     GET_TARGET_PROPERTY(_pic ${_target} POSITION_INDEPENDENT_CODE)
     IF(_pic)
@@ -53,7 +65,7 @@ MACRO(PCH_SET_COMPILE_FLAGS _target)
 
   GET_DIRECTORY_PROPERTY(DIRINC INCLUDE_DIRECTORIES)
   FOREACH(item ${DIRINC})
-    LIST(APPEND _FLAGS " -I\"${item}\"")
+    LIST(APPEND _FLAGS -I"${item}")
   ENDFOREACH()
 
   # NOTE: As cmake files (eg FindQT4) may now use generator expressions around their defines that evaluate
@@ -92,18 +104,18 @@ MACRO(PCH_SET_COMPILE_FLAGS _target)
 
   GET_TARGET_PROPERTY(oldProps ${_target} COMPILE_FLAGS)
   IF(oldProps)
-    LIST(APPEND _FLAGS " ${oldProps}")
+    LIST(APPEND _FLAGS ${oldProps})
   ENDIF()
 
   GET_TARGET_PROPERTY(oldPropsBuild ${_target} COMPILE_FLAGS_${_UPPER_BUILD})
   IF(oldPropsBuild)
-    LIST(APPEND _FLAGS " ${oldPropsBuild}")
+    LIST(APPEND _FLAGS ${oldPropsBuild})
   ENDIF()
 
   GET_TARGET_PROPERTY(DIRINC ${_target} INCLUDE_DIRECTORIES)
   IF(DIRINC)
     FOREACH(item ${DIRINC})
-      LIST(APPEND _FLAGS " -I\"${item}\"")
+      LIST(APPEND _FLAGS -I"${item}")
     ENDFOREACH()
   ENDIF()
 
@@ -130,7 +142,7 @@ MACRO(PCH_SET_COMPILE_FLAGS _target)
 
         IF(_DIRS)
           FOREACH(item ${_DIRS})
-            LIST(APPEND GLOBAL_DEFINITIONS " -I\"${item}\"")
+            LIST(APPEND GLOBAL_DEFINITIONS -I"${item}")
           ENDFOREACH()
         ENDIF()
 
@@ -159,24 +171,21 @@ MACRO(PCH_SET_COMPILE_FLAGS _target)
     ENDIF()
 
     IF(_USE_PIC)
-      LIST(APPEND _FLAGS " ${CMAKE_CXX_COMPILE_OPTIONS_PIC}")
+      LIST(APPEND _FLAGS ${CMAKE_CXX_COMPILE_OPTIONS_PIC})
     ENDIF()
   ENDIF()
 
   IF(CMAKE_VERSION VERSION_LESS "3.3.0")
     GET_DIRECTORY_PROPERTY(_directory_flags DEFINITIONS)
     GET_DIRECTORY_PROPERTY(_directory_definitions DIRECTORY ${CMAKE_SOURCE_DIR} DEFINITIONS)
-    LIST(APPEND _FLAGS " ${_directory_flags}")
-    LIST(APPEND _FLAGS " ${_directory_definitions}")
+    LIST(APPEND _FLAGS ${_directory_flags})
+    LIST(APPEND _FLAGS ${_directory_definitions})
   ENDIF()
 
   # Format definitions
   IF(MSVC)
     # Fix path with space
     SEPARATE_ARGUMENTS(_FLAGS UNIX_COMMAND "${_FLAGS}")
-  ELSE()
-    STRING(REGEX REPLACE " +" " " _FLAGS ${_FLAGS})
-    SEPARATE_ARGUMENTS(_FLAGS)
   ENDIF()
 
   # Already in list form and items may contain non-leading spaces that should not be split on
@@ -238,6 +247,7 @@ MACRO(PCH_SET_COMPILE_FLAGS _target)
   ENDIF()
 
   IF(PCH_FLAGS)
+    LIST(REMOVE_ITEM PCH_FLAGS "")
     LIST(REMOVE_DUPLICATES PCH_FLAGS)
   ENDIF()
 ENDMACRO()
diff --git a/code/CMakeModules/nel.cmake b/code/CMakeModules/nel.cmake
index 711ecb94c..1c8abfe5e 100644
--- a/code/CMakeModules/nel.cmake
+++ b/code/CMakeModules/nel.cmake
@@ -68,11 +68,30 @@ MACRO(NL_DEFAULT_PROPS name label)
   ENDIF(${type} STREQUAL SHARED_LIBRARY)
 
   IF(${type} STREQUAL EXECUTABLE AND WIN32 AND NOT MINGW)
+    # check if using a GUI
+    GET_TARGET_PROPERTY(_VALUE ${name} WIN32_EXECUTABLE)
+
+    IF(TARGET_X64)
+      # Target Windows XP 64 bits
+      SET(_SUBSYSTEM_VERSION "5.02")
+    ELSE()
+      # Target Windows XP
+      SET(_SUBSYSTEM_VERSION "5.01")
+    ENDIF()
+
+    IF(_VALUE)
+      # GUI
+      SET(_SUBSYSTEM "WINDOWS")
+    ELSE()
+      # Console
+      SET(_SUBSYSTEM "CONSOLE")
+    ENDIF()
+
     SET_TARGET_PROPERTIES(${name} PROPERTIES
       VERSION ${NL_VERSION}
       SOVERSION ${NL_VERSION_MAJOR}
       COMPILE_FLAGS "/GA"
-      LINK_FLAGS "/VERSION:${NL_VERSION_MAJOR}.${NL_VERSION_MINOR}")
+      LINK_FLAGS "/VERSION:${NL_VERSION_MAJOR}.${NL_VERSION_MINOR} /SUBSYSTEM:${_SUBSYSTEM},${_SUBSYSTEM_VERSION}")
   ENDIF(${type} STREQUAL EXECUTABLE AND WIN32 AND NOT MINGW)
 ENDMACRO(NL_DEFAULT_PROPS)
 
diff --git a/code/ryzom/server/src/entities_game_service/phrase_manager/combat_action_simple_dynamic_effect.cpp b/code/ryzom/server/src/entities_game_service/phrase_manager/combat_action_simple_dynamic_effect.cpp
index ffd46e363..ea819763c 100644
--- a/code/ryzom/server/src/entities_game_service/phrase_manager/combat_action_simple_dynamic_effect.cpp
+++ b/code/ryzom/server/src/entities_game_service/phrase_manager/combat_action_simple_dynamic_effect.cpp
@@ -88,7 +88,7 @@ void CCombatActionDynamicEffect::applyOnEntity( CEntityBase *entity, float succe
 	TGameCycle endDate;
 	if ( _UsePhraseLatencyAsDuration == true && _CombatPhrase != 0)
 	{
-		endDate = (TGameCycle) _CombatPhrase->latencyEndDate();
+		endDate = (TGameCycle)_CombatPhrase->latencyEndDate();
 	}
 	else
 	{
diff --git a/code/ryzom/server/src/entities_game_service/phrase_manager/combat_attacker.cpp b/code/ryzom/server/src/entities_game_service/phrase_manager/combat_attacker.cpp
index fa8bdb1ff..ef03e645a 100644
--- a/code/ryzom/server/src/entities_game_service/phrase_manager/combat_attacker.cpp
+++ b/code/ryzom/server/src/entities_game_service/phrase_manager/combat_attacker.cpp
@@ -130,7 +130,7 @@ CCombatWeapon::CCombatWeapon(CGameItemPtr itemPtr)
 	// weapon hit rate is in hit/10s and we use ticks/hits....
 	if (itemPtr->hitRate() != 0)
 	{
-		LatencyInTicks =  (10.0 / itemPtr->hitRate() )  / CTickEventHandler::getGameTimeStep();
+		LatencyInTicks = (10.0 / itemPtr->hitRate() )  / CTickEventHandler::getGameTimeStep();
 	}
 	
 	Quality = (uint16)itemPtr->recommended();
diff --git a/code/ryzom/server/src/entities_game_service/phrase_manager/combat_phrase.cpp b/code/ryzom/server/src/entities_game_service/phrase_manager/combat_phrase.cpp
index 6dfd7a6b2..924c3b0f9 100644
--- a/code/ryzom/server/src/entities_game_service/phrase_manager/combat_phrase.cpp
+++ b/code/ryzom/server/src/entities_game_service/phrase_manager/combat_phrase.cpp
@@ -2177,7 +2177,7 @@ bool CCombatPhrase::launch()
 	
 	// set latency end date
 	const NLMISC::TGameCycle time = CTickEventHandler::getGameCycle();
-	if(_LatencyEndDate > 0) 
+	if (_LatencyEndDate > 0) 
 	{
 		_LatencyEndDate += latency;
 	}
diff --git a/code/ryzom/server/src/entities_game_service/phrase_manager/fg_prospection_phrase.cpp b/code/ryzom/server/src/entities_game_service/phrase_manager/fg_prospection_phrase.cpp
index e3a6969fd..cd153c5ad 100644
--- a/code/ryzom/server/src/entities_game_service/phrase_manager/fg_prospection_phrase.cpp
+++ b/code/ryzom/server/src/entities_game_service/phrase_manager/fg_prospection_phrase.cpp
@@ -716,7 +716,7 @@ void CFgProspectionPhrase::apply()
 	MBEHAV::CBehaviour behav = player->getBehaviour(); // keep arguments
 	behav.Behaviour = MBEHAV::PROSPECTING_END;
 	PHRASE_UTILITIES::sendUpdateBehaviour( _ActorRowId, behav );
-	_LatencyEndDate =(double)ForageSourceSpawnDelay.get(); // wait a short time before spawning the source(s) (to let animation/fx time)
+	_LatencyEndDate = (double)ForageSourceSpawnDelay.get(); // wait a short time before spawning the source(s) (to let animation/fx time)
 }
 
 
diff --git a/code/ryzom/tools/client/ryzom_installer/src/migratedialog.h b/code/ryzom/tools/client/ryzom_installer/src/migratedialog.h
index 3c19bc6f4..9cd584372 100644
--- a/code/ryzom/tools/client/ryzom_installer/src/migratedialog.h
+++ b/code/ryzom/tools/client/ryzom_installer/src/migratedialog.h
@@ -17,8 +17,6 @@
 #ifndef MIGRATEDIALOG_H
 #define MIGRATEDIALOG_H
 
-#if defined(Q_OS_WIN32) || defined(Q_MOC_RUN)
-
 #include "ui_migratedialog.h"
 
 /**
@@ -50,5 +48,3 @@ private:
 };
 
 #endif
-
-#endif