Kill compiler warnings.

eeschema/class_text-label.cpp

@@ -311,6 +311,7 @@ EDA_Rect SCH_HIERLABEL::GetBoundingBox()
 
     x = m_Pos.x;
     y = m_Pos.y;
+    dx = dy = 0;
 
     height  = m_Size.y + 2*TXTMARGE;
     length = ( Pitch() * GetLength() ) + height + 2*DANGLING_SYMBOL_SIZE; // add height for triangular shapes
@@ -520,6 +521,7 @@ EDA_Rect SCH_GLOBALLABEL::GetBoundingBox()
 
     x = m_Pos.x;
     y = m_Pos.y;
+    dx = dy = 0;
 
     height  = m_Size.y + 2*TXTMARGE;
     length = ( Pitch() * GetLength() ) + 2* height + 2*DANGLING_SYMBOL_SIZE; // add 2*height for triangular shapes (bidirectional)
@@ -569,6 +571,7 @@ EDA_Rect SCH_TEXT::GetBoundingBox()
     y = m_Pos.y;
     length = ( Pitch() * GetLength() );
     height  = m_Size.y;
+    dx = dy = 0;
 
     switch( m_Orient ) // respect orientation
     {

kicad/minizip/zip.c

@@ -183,12 +183,12 @@ local void init_linkedlist(ll)
     ll->first_block = ll->last_block = NULL;
 }
 
-local void free_linkedlist(ll)
-    linkedlist_data* ll;
-{
-    free_datablock(ll->first_block);
-    ll->first_block = ll->last_block = NULL;
-}
+// local void free_linkedlist(ll)
+//     linkedlist_data* ll;
+// {
+//     free_datablock(ll->first_block);
+//     ll->first_block = ll->last_block = NULL;
+// }
 
 
 local int add_data_in_datablock(ll,buf,len)

polygon/GenericPolygonClipperLibrary.cpp

@@ -1130,6 +1130,9 @@ void gpc_polygon_clip(gpc_op op, gpc_polygon *subj, gpc_polygon *clip,
   int            vclass, bl, br, tl, tr;
   double        *sbt= NULL, xb, px, yb, yt, dy, ix, iy;
 
+  contributing = bl = br = tl = tr = 0;
+  yt = dy = 0;
+
   /* Test for trivial NULL result cases */
   if (((subj->num_contours == 0) && (clip->num_contours == 0))
    || ((subj->num_contours == 0) && ((op == GPC_INT) || (op == GPC_DIFF)))
@@ -1791,6 +1794,10 @@ void gpc_tristrip_clip(gpc_op op, gpc_polygon *subj, gpc_polygon *clip,
   int            vclass, bl, br, tl, tr;
   double        *sbt= NULL, xb, px, nx, yb, yt, dy, ix, iy;
 
+  cf = NULL;
+  contributing = bl = br = tl = tr = 0;
+  yt = dy = 0;
+
   /* Test for trivial NULL result cases */
   if (((subj->num_contours == 0) && (clip->num_contours == 0))
    || ((subj->num_contours == 0) && ((op == GPC_INT) || (op == GPC_DIFF)))