diff --git a/source/glest_game/game/game.cpp b/source/glest_game/game/game.cpp
index 899f211f1..5792531e7 100644
--- a/source/glest_game/game/game.cpp
+++ b/source/glest_game/game/game.cpp
@@ -4214,7 +4214,7 @@ string Game::getDebugStats(std::map<int,string> &factionDebugInfo) {
 	str+= "FowAlphaCellsLookupItemCache: "  + world.getFowAlphaCellsLookupItemCacheStats()+"\n";
 
 	const bool selectBufPickingSelection 	= Config::getInstance().getBool("EnableSelectBufPicking","false");
-	const bool colorPickingSelection 		= Config::getInstance().getBool("EnableColorPicking","true");
+	//const bool colorPickingSelection 		= Config::getInstance().getBool("EnableColorPicking","true");
 	const bool frustumPickingSelection 		= Config::getInstance().getBool("EnableFrustumPicking","false");
 	if(selectBufPickingSelection) {
 		str += "Unit selection type: selectBuf\n";
@@ -4540,7 +4540,7 @@ void Game::checkWinner() {
 }
 
 void Game::setEndGameTeamWinnersAndLosers() {
-	bool lose= false;
+	//bool lose= false;
 	bool checkTeamIndex = !(this->masterserverMode == false && world.getThisFaction()->getPersonalityType() != fpt_Observer);
 
 	// lookup int is team #, value is players alive on team
@@ -4561,7 +4561,7 @@ void Game::setEndGameTeamWinnersAndLosers() {
 					world.getStats()->setVictorious(i);
 				}
 				else if(i == world.getThisFactionIndex()) {
-					lose= true;
+					//lose= true;
 				}
 			}
 		}
diff --git a/source/glest_game/graphics/renderer.cpp b/source/glest_game/graphics/renderer.cpp
index a1b6827d6..86a3edc0e 100644
--- a/source/glest_game/graphics/renderer.cpp
+++ b/source/glest_game/graphics/renderer.cpp
@@ -6016,11 +6016,10 @@ void Renderer::renderHighlightedCellsOnMinimap() {
 				int lighting=(mc->getAliveCount()%15);
 				Vec3f myColor=Vec3f(color.x/2+.5f/lighting,color.y/2+.5f/lighting,color.z/2+.5f/lighting);
 
-				//float alpha = 0.49f+0.5f/(mc->getAliveCount()%15);
-				float alpha=1.0f;
-
 				Vec2i pos=mc->getTargetPos();
-				if(texture!=NULL){
+				if(texture != NULL) {
+					//float alpha = 0.49f+0.5f/(mc->getAliveCount()%15);
+					float alpha=1.0f;
 					renderTextureQuad((int)(pos.x*zoom.x)+pointersize, my + mh-(int)(pos.y*zoom.y), pointersize, pointersize, texture, alpha,&myColor);
 				}
 			}
@@ -6692,7 +6691,7 @@ Vec3f Renderer::computeScreenPosition(const Vec3f &worldPos) {
 void Renderer::computeSelected(	Selection::UnitContainer &units, const Object *&obj,
 								const bool withObjectSelection,
 								const Vec2i &posDown, const Vec2i &posUp) {
-	const bool selectBufPickingSelection 	= Config::getInstance().getBool("EnableSelectBufPicking","false");
+	//const bool selectBufPickingSelection 	= Config::getInstance().getBool("EnableSelectBufPicking","false");
 	const bool colorPickingSelection 		= Config::getInstance().getBool("EnableColorPicking","true");
 	const bool frustumPickingSelection 		= Config::getInstance().getBool("EnableFrustumPicking","false");
 
diff --git a/source/glest_game/main/program.cpp b/source/glest_game/main/program.cpp
index 0ac9e9120..b85d7d53d 100644
--- a/source/glest_game/main/program.cpp
+++ b/source/glest_game/main/program.cpp
@@ -832,7 +832,7 @@ void Program::setDisplaySettings(){
 
 	if(!config.getBool("Windowed")) {
 
-		int freq= config.getInt("RefreshFrequency");
+		//int freq= config.getInt("RefreshFrequency");
 		int colorBits= config.getInt("ColorBits");
 		int screenWidth= config.getInt("ScreenWidth");
 		int screenHeight= config.getInt("ScreenHeight");
diff --git a/source/glest_game/network/network_message.cpp b/source/glest_game/network/network_message.cpp
index e2d40f0ce..ed2ecf8e2 100644
--- a/source/glest_game/network/network_message.cpp
+++ b/source/glest_game/network/network_message.cpp
@@ -91,7 +91,7 @@ void NetworkMessage::dump_packet(string label, const void* data, int dataSize) {
 
 		const char *buf = static_cast<const char *>(data);
 		for(unsigned int i = 0; i < dataSize; ++i) {
-			printf("%d[%X][%d] ",i,buf[i],buf[i]);
+			printf("%u[%X][%d] ",i,buf[i],buf[i]);
 			if(i % 10 == 0) {
 				printf("\n");
 			}
diff --git a/source/glest_game/types/faction_type.h b/source/glest_game/types/faction_type.h
index 5bf4a395c..bba54c884 100644
--- a/source/glest_game/types/faction_type.h
+++ b/source/glest_game/types/faction_type.h
@@ -101,7 +101,7 @@ public:
 	FactionType();
     void load(const string &factionName, const TechTree *techTree, Checksum* checksum,
     		Checksum *techtreeChecksum, std::map<string,vector<pair<string, string> > > &loadedFileList);
-	~FactionType();
+	virtual ~FactionType();
 
 	const std::vector<FactionType::PairPUnitTypeInt> getAIBehaviorUnits(AIBehaviorUnitCategory category) const;
 	const std::vector<const UpgradeType*> getAIBehaviorUpgrades() const { return vctAIBehaviorUpgrades; };
diff --git a/source/glest_game/world/world.cpp b/source/glest_game/world/world.cpp
index 234a69347..7dcfa049f 100644
--- a/source/glest_game/world/world.cpp
+++ b/source/glest_game/world/world.cpp
@@ -2291,7 +2291,7 @@ void World::computeFow(int factionIdxToTick) {
 				for(int j=0; j<faction->getUnitCount(); ++j){
 					const Unit *unit= faction->getUnit(j);
 					if(unit->isOperative()){
-						int sightRange= unit->getType()->getSight();
+						//int sightRange= unit->getType()->getSight();
 
 						if(enableFowAlphaCellsLookupItemCache == true) {
 							const FowAlphaCellsLookupItem &cellList = unit->getCachedFow();
diff --git a/source/shared_lib/include/platform/sdl/thread.h b/source/shared_lib/include/platform/sdl/thread.h
index 41d7bd295..274113201 100644
--- a/source/shared_lib/include/platform/sdl/thread.h
+++ b/source/shared_lib/include/platform/sdl/thread.h
@@ -340,6 +340,7 @@ class SlaveThreadControllerInterface {
 public:
 	virtual void setMasterController(MasterSlaveThreadController *master) = 0;
 	virtual void signalSlave(void *userdata) = 0;
+	virtual ~SlaveThreadControllerInterface() {}
 };
 
 class MasterSlaveThreadController {