@@ -18,7 +18,10 @@ CPPFLAGS += \

 	-Icommon/$(OS) \

 	-DGL_GLEXT_PROTOTYPES

 CXXFLAGS += \

-	-Wall

+	-Wall \

+	-Wextra \

+	-Wpedantic \

+	-Wshadow

 LDLIBS_Windows += \

 	-lopengl32

 LDLIBS_Linux += \

@@ -83,6 +83,8 @@ static char gRunning = 1;

 void glutInit(int *argc, char *argv[])

 {

+	(void)argc;

+	(void)argv;

 	gettimeofday(&timeStart, NULL);

 	memset(gKeymap, 0, sizeof(gKeymap));

 }

@@ -110,16 +112,13 @@ static void checktimers();

  */

 static void

-make_window( Display *dpy, const char *name,

-             int x, int y, int width, int height,

-             Window *winRet, GLXContext *ctxRet)

+make_window( const char *name,

+             int x, int y, int width, int height)

 {

    int scrnum;

    XSetWindowAttributes attr;

    unsigned long mask;

    Window root;

-   Window win;

-   GLXContext ctx;

    XVisualInfo *visinfo;

    scrnum = DefaultScreen( dpy );

@@ -305,9 +304,6 @@ make_window( Display *dpy, const char *name,

    }

    XFree(visinfo);

-

-   *winRet = win;

-   *ctxRet = ctx;

 }

 void glutCreateWindow(const char *windowTitle)

@@ -319,7 +315,7 @@ void glutCreateWindow(const char *windowTitle)

 	     windowTitle ? windowTitle : getenv("DISPLAY"));

    }

-   make_window(dpy, windowTitle, winPosX, winPosY, winWidth, winHeight, &win, &ctx);

+   make_window(windowTitle, winPosX, winPosY, winWidth, winHeight);

    XMapWindow(dpy, win);

    glXMakeCurrent(dpy, win, ctx);

@@ -455,6 +451,7 @@ void doKeyboardEvent(XEvent event, void (*keyProc)(unsigned char key, int x, int

 void internaltimer(int x)

 {

+	(void)x;

 	glutPostRedisplay();

 }