diff --git a/engine/client/vgui/vgui_draw.c b/engine/client/vgui/vgui_draw.c
index 8ae08584..a1b3fe9f 100644
--- a/engine/client/vgui/vgui_draw.c
+++ b/engine/client/vgui/vgui_draw.c
@@ -63,7 +63,7 @@ static struct
 		VGUI_CursorSelect,
 		VGUI_GetColor,
 		VGUI_IsInGame,
-		NULL,
+		Key_EnableTextInput,
 		VGUI_GetMousePos,
 		VGUI_UtfProcessChar,
 		Platform_GetClipboardText,
diff --git a/engine/vgui_api.h b/engine/vgui_api.h
index 2ce89226..2412d76d 100644
--- a/engine/vgui_api.h
+++ b/engine/vgui_api.h
@@ -180,7 +180,7 @@ typedef struct  vguiapi_s
 	void	(*CursorSelect)( VGUI_DefaultCursor cursor );
 	byte		(*GetColor)( int i, int j );
 	qboolean	(*IsInGame)( void );
-	void	(*Unused)( void );
+	void	(*EnableTextInput)( qboolean enable, qboolean force );
 	void	(*GetCursorPos)( int *x, int *y );
 	int		(*ProcessUtfChar)( int ch );
 	int		(*GetClipboardText)( char *buffer, size_t bufferSize );
diff --git a/ref/soft/r_triapi.c b/ref/soft/r_triapi.c
index c1867083..88c69695 100644
--- a/ref/soft/r_triapi.c
+++ b/ref/soft/r_triapi.c
@@ -119,7 +119,7 @@ void GAME_EXPORT TriBegin( int mode1 )
 	if( mode1 == TRI_QUADS )
 		mode1 = TRI_TRIANGLE_FAN;
 	mode = mode1;
-	vertcount = n = vertcount = 0;
+	n = vertcount = 0;
 }
 
 /*
diff --git a/wscript b/wscript
index be23b686..541c8adc 100644
--- a/wscript
+++ b/wscript
@@ -218,6 +218,9 @@ def configure(conf):
 		'-Werror=sizeof-pointer-memaccess',
 		'-Werror=sizeof-array-div',
 		'-Werror=sizeof-pointer-div',
+		'-Werror=string-compare',
+		'-Werror=use-after-free=3',
+		'-Werror=sequence-point',
 #		'-Werror=format=2',
 #		'-Wdouble-promotion', # disable warning flood
 		'-Wstrict-aliasing',