Fix compiling with da strict settings

Moved from gnu99 to gnu11 because I think unnamed union is reasonable, and will also cause a lot of problems down the road if we ever need changes!!

src/Makefile.d/versions.mk

@@ -45,6 +45,9 @@ endif
 ifdef GCC45
 #WFLAGS+=-Wc++-compat
  WFLAGS+=-std=gnu99
+endif
+ifdef GCC47
+ WFLAGS+=-std=gnu11
 endif
  WFLAGS+=-Wcast-qual
 ifndef NOCASTALIGNWARN

src/d_main.c

@@ -683,29 +683,6 @@ static void D_Display(void)
 	}
 }
 
-static boolean D_CheckFrameCap(void)
-{
-	static boolean init = false;
-	static precise_t startCap = 0;
-	precise_t endCap = 0;
-
-	endCap = I_GetPreciseTime();
-
-	if (init == false)
-	{
-		startCap = endCap;
-		init = true;
-	}
-	else if (I_CheckFrameCap(startCap, endCap))
-	{
-		// Framerate should be capped.
-		return true;
-	}
-
-	startCap = endCap;
-	return false;
-}
-
 // =========================================================================
 // D_SRB2Loop
 // =========================================================================

src/hardware/hw_main.c

@@ -5388,7 +5388,7 @@ static void HWR_ProjectSprite(mobj_t *thing)
 	if (thing->renderflags & RF_SHADOWEFFECTS)
 	{
 		mobj_t *caster = thing->target;
-		interpmobjstate_t casterinterp = {};
+		interpmobjstate_t casterinterp = {0};
 
 		if (R_UsingFrameInterpolation() && !paused)
 		{
@@ -5481,7 +5481,7 @@ static void HWR_ProjectSprite(mobj_t *thing)
 
 	if ((thing->flags2 & MF2_LINKDRAW) && thing->tracer)
 	{
-		interpmobjstate_t tracer_interp = {};
+		interpmobjstate_t tracer_interp = {0};
 
 		if (! R_ThingVisible(thing->tracer))
 			return;

src/lua_hudlib.c

@@ -672,7 +672,7 @@ static int libd_drawOnMinimap(lua_State *L)
 {
 	fixed_t x, y, scale;	// coordinates of the object
 	patch_t *patch;	// patch we want to draw
-	const UINT8 *colormap = NULL;	// do we want to colormap this patch?
+	UINT8 *colormap = NULL;	// do we want to colormap this patch?
 	boolean centered;	// the patch is centered and doesn't need readjusting on x/y coordinates.
 	huddrawlist_h list;
 
@@ -898,7 +898,7 @@ static int libd_drawPaddedNum(lua_State *L)
 static int libd_drawPingNum(lua_State *L)
 {
 	INT32 x, y, flags, num;
-	const UINT8 *colormap = NULL;
+	UINT8 *colormap = NULL;
 	huddrawlist_h list;
 	HUDONLY
 	x = luaL_checkinteger(L, 1);

src/lua_hudlib_drawlist.c

@@ -279,10 +279,17 @@ void LUA_HUD_AddDrawPingNum(
 	INT32 y,
 	INT32 flags,
 	INT32 num,
-	const UINT8 *colormap
+	UINT8 *colormap
 )
 {
-	*(int*)(NULL + 1);
+	size_t i = AllocateDrawItem(list);
+	drawitem_t *item = &list->items[i];
+	item->type = DI_DrawPingNum;
+	item->x = x;
+	item->y = y;
+	item->flags = flags;
+	item->num = num;
+	item->colormap = colormap;
 }
 
 void LUA_HUD_AddDrawFill(
@@ -363,8 +370,8 @@ void LUA_HUD_AddDrawKartString(
 	huddrawlist_h list,
 	fixed_t x,
 	fixed_t y,
-	INT32 flags,
+	const char *str,
-	const char *str
+	INT32 flags
 )
 {
 	size_t i = AllocateDrawItem(list);

src/lua_hudlib_drawlist.h

@@ -82,7 +82,7 @@ void LUA_HUD_AddDrawPingNum(
 	INT32 y,
 	INT32 flags,
 	INT32 num,
-	const UINT8 *colormap
+	UINT8 *colormap
 );
 void LUA_HUD_AddDrawFill(
 	huddrawlist_h list,
@@ -119,8 +119,8 @@ void LUA_HUD_AddDrawKartString(
 	huddrawlist_h list,
 	fixed_t x,
 	fixed_t y,
-	INT32 flags,
+	const char *str,
-	const char *str
+	INT32 flags
 );
 
 // Draws the given draw list

src/m_perfstats.c

@@ -566,7 +566,7 @@ void M_DrawPerfStats(void)
 				len = (int)strlen(str);
 				if (len > 20)
 					str += len - 20;
-				snprintf(s, sizeof s - 1, "%20s: %lld", str, (thinkframe_hooks[i].time_taken) / (I_GetPrecisePrecision() / 1000000));
+				snprintf(s, sizeof s - 1, "%20s: %ld", str, (long)((thinkframe_hooks[i].time_taken) / (I_GetPrecisePrecision() / 1000000)));
 				V_DrawSmallString(x, y, V_MONOSPACE | V_ALLOWLOWERCASE | text_color, s);
 				y += 4; // repeated code!
 				if (y > 192)