Eliminate a number of compile warnings

(bzr r3553)

4 files changed, 8 insertions, 8 deletions

diff --git a/src/box3d.cpp b/src/box3d.cpp
index b0195cdb8..dcbe5b531 100644
--- a/src/box3d.cpp
+++ b/src/box3d.cpp
@@ -439,8 +439,6 @@ bool sp_3dbox_recompute_z_orders (SP3DBox *box)
 {
     guint new_z_orders[6];
 
-    Box3D::Perspective3D *persp = SP_OBJECT_DOCUMENT (G_OBJECT (box))->get_persp_of_box (box);
-
     // TODO: Determine the front corner depending on the distance from VPs and/or the user presets
     guint front_corner = sp_3dbox_get_front_corner_id (box);
 
@@ -448,7 +446,7 @@ bool sp_3dbox_recompute_z_orders (SP3DBox *box)
     gdouble dir_3x = sp_3dbox_corner_angle_to_VP (box, Box3D::X, front_corner ^ Box3D::Y);
 
     gdouble dir_1y = sp_3dbox_corner_angle_to_VP (box, Box3D::Y, front_corner);
-    gdouble dir_0y = sp_3dbox_corner_angle_to_VP (box, Box3D::Y, front_corner ^ Box3D::X);
+    //gdouble dir_0y = sp_3dbox_corner_angle_to_VP (box, Box3D::Y, front_corner ^ Box3D::X);
 
     gdouble dir_1z = sp_3dbox_corner_angle_to_VP (box, Box3D::Z, front_corner);
     gdouble dir_3z = sp_3dbox_corner_angle_to_VP (box, Box3D::Z, front_corner ^ Box3D::Y);
@@ -499,8 +497,6 @@ bool sp_3dbox_recompute_z_orders (SP3DBox *box)
 
 void sp_3dbox_set_z_orders (SP3DBox *box)
 {
-    GSList *items = sp_item_group_item_list(SP_GROUP(box));
-
     // For efficiency reasons, we only set the new z-orders if something really changed
     if (sp_3dbox_recompute_z_orders (box)) {
         box->faces[box->z_orders[0]]->lower_to_bottom ();
@@ -822,7 +818,6 @@ void sp_3dbox_recompute_XY_corners_from_new_center (SP3DBox *box, NR::Point cons
     Box3D::PerspectiveLine aux_line4 (new_center, Box3D::Z, persp);
     NR::Point M2 = aux_line4.meet (aux_line3);
 
-    Box3D::VanishingPoint *vp_y = persp->get_vanishing_point (Box3D::Y);
     std::pair<NR::Point, NR::Point> other_new_midpts = sp_3dbox_new_midpoints (persp, Box3D::Y, M1, M2, C1, D1);
     NR::Point C2 (other_new_midpts.first);
     NR::Point D2 (other_new_midpts.second);
@@ -890,6 +885,9 @@ void sp_3dbox_corners_for_perspective_lines (const SP3DBox * box, Box3D::Axis ax
             corner3 = sp_3dbox_get_corner_along_edge (box, 0 ^ switch_axis, axis, Box3D::REAR);
             corner4 = sp_3dbox_get_corner_along_edge (box, 2 ^ switch_axis, axis, Box3D::REAR);
             break;
+        default:
+            // do nothing
+            break;
     }            
 }
 
diff --git a/src/line-geometry.h b/src/line-geometry.h
index cc0c9aaf4..72e0ae794 100644
--- a/src/line-geometry.h
+++ b/src/line-geometry.h
@@ -28,6 +28,7 @@ class Line {
 public:
     Line(NR::Point const &start, NR::Point const &vec, bool is_endpoint = true);
     Line(Line const &line);
+    virtual ~Line() {}
     Line &operator=(Line const &line);
     virtual NR::Maybe<NR::Point> intersect(Line const &line);
     void set_direction(NR::Point const &dir); // FIXME: Can we avoid this explicit assignment?
diff --git a/src/object-edit.cpp b/src/object-edit.cpp
index 765f90303..2ebb2a065 100644
--- a/src/object-edit.cpp
+++ b/src/object-edit.cpp
@@ -545,6 +545,7 @@ static inline Box3D::Axis movement_axis_of_3dbox_corner (guint corner, guint sta
         case 7:
             return ((state & GDK_SHIFT_MASK) ? Box3D::XY : Box3D::Z);
     }
+    return Box3D::NONE;
 }
 
 /* 
diff --git a/src/perspective3d.cpp b/src/perspective3d.cpp
index c9c56e78d..e2b9fcbc2 100644
--- a/src/perspective3d.cpp
+++ b/src/perspective3d.cpp
@@ -174,7 +174,7 @@ Perspective3D::set_vanishing_point (Box3D::Axis const dir, VanishingPoint const
         case Z:
             (*vp_z) = pt;
             break;
-        case NONE:
+        default:
             // no vanishing point to set
             break;
     }
@@ -205,7 +205,7 @@ Perspective3D::set_vanishing_point (Box3D::Axis const dir, gdouble pt_x, gdouble
         case Z:
             vp = vp_z;
             break;
-        case NONE:
+        default:
             // no vanishing point to set
             return;
     }