Increase portability as per SDL standards, add a window title

Makefile

@@ -2,8 +2,8 @@
 
 PROJECT=graphgame
 CXX=g++
-CXXFLAGS=-DDEBUG -g
-LDFLAGS=-lSDL
+CXXFLAGS=-DDEBUG -g `sdl-config --cflags`
+LDFLAGS=`sdl-config --libs`
 OBJECTS=drawutils.o gamecore.o graph.o main.o mainevent.o mathutils.o gamedata.o sdlrenderer.o
 
 all: $(PROJECT)

drawutils.h

@@ -3,7 +3,7 @@
 #ifndef _DRAWUTILS_H_
 #define _DRAWUTILS_H_
 
-#include <SDL/SDL.h>
+#include <SDL.h>
 #include <string>
 
 using std::string;

gamecore.cpp

@@ -1,7 +1,7 @@
 #include "gamecore.h"
 #include "mathutils.h"
 #include "debug.h"
-#include <SDL/SDL.h>
+#include <SDL.h>
 
 int GameCore::MAX_MOVE_DISTANCE = 100;
 int GameCore::NODE_RADIUS = 12;
@@ -34,7 +34,7 @@ int GameCore::execute()
 bool GameCore::init()
 {
     if (SDL_Init(SDL_INIT_EVERYTHING) < 0) return false;
-
+    SDL_WM_SetCaption("TreeWars","TreeWars");
     return renderer.init();
 }
 

mainevent.h

@@ -10,7 +10,7 @@
 #ifndef _MAINEVENT_H_
 #define _MAINEVENT_H_
 
-#include <SDL/SDL.h>
+#include <SDL.h>
 
 class MainEvent
 {