fix warnings

Surface_mesh_shortest_path/include/CGAL/Surface_mesh_shortest_path/Surface_mesh_shortest_path.h

@@ -207,6 +207,7 @@ public:
     Source_point_handle& operator=(const Source_point_handle& other)
     {
       m_iterator = other.m_iterator;
+      return *this;
     }
     
     const Face_location& operator*() const
@@ -2104,7 +2105,7 @@ public:
   */
   Source_point_handle add_source_point(face_descriptor f, Barycentric_coordinate location)
   {
-    add_source_point(std::make_pair(f, location));
+    return add_source_point(std::make_pair(f, location));
   }
   
   /*!

Surface_mesh_shortest_path/test/Surface_mesh_shortest_path/CMakeLists.txt

@@ -0,0 +1,56 @@
+# Created by the script cgal_create_cmake_script
+# This is the CMake script for compiling a CGAL application.
+
+
+project( Surface_mesh_shortest_path_ )
+
+cmake_minimum_required(VERSION 2.6.2)
+if("${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}" VERSION_GREATER 2.6)
+  if("${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}.${CMAKE_PATCH_VERSION}" VERSION_GREATER 2.8.3)
+    cmake_policy(VERSION 2.8.4)
+  else()
+    cmake_policy(VERSION 2.6)
+  endif()
+endif()
+
+find_package(CGAL QUIET COMPONENTS Core )
+
+if ( CGAL_FOUND )
+
+  include( ${CGAL_USE_FILE} )
+
+  include( CGAL_CreateSingleSourceCGALProgram )
+
+  include_directories (BEFORE "../../include")
+
+    include_directories (BEFORE "include")
+
+  create_single_source_cgal_program( "Surface_mesh_shortest_path_test_1.cpp" )
+  create_single_source_cgal_program( "Surface_mesh_shortest_path_test_2.cpp" )
+  create_single_source_cgal_program( "Surface_mesh_shortest_path_test_3.cpp" )
+  create_single_source_cgal_program( "Surface_mesh_shortest_path_test_4.cpp" )
+  create_single_source_cgal_program( "Surface_mesh_shortest_path_traits_test.cpp" )
+
+
+  # Link with Boost.ProgramOptions (optional)
+  find_package(Boost QUIET COMPONENTS program_options)
+  if(Boost_PROGRAM_OPTIONS_FOUND)
+    if( CGAL_AUTO_LINK_ENABLED )
+      message( STATUS "Boost.ProgramOptions library: found" )
+    else()
+      message( STATUS "Boost.ProgramOptions library: ${Boost_PROGRAM_OPTIONS_LIBRARY}" )
+    endif()
+    add_definitions( "-DCGAL_USE_BOOST_PROGRAM_OPTIONS" )
+    list(APPEND CGAL_3RD_PARTY_LIBRARIES ${Boost_PROGRAM_OPTIONS_LIBRARY})
+    create_single_source_cgal_program( "TestMesh.cpp" )
+  else()
+    message(STATUS "NOTICE: Example TestMesh.cpp requires boost program_option and will not be compiled.")
+  endif()
+
+
+else()
+
+    message(STATUS "This program requires the CGAL library, and will not be compiled.")
+
+endif()
+

Surface_mesh_shortest_path/test/Surface_mesh_shortest_path/Surface_mesh_shortest_path_test_3.cpp

@@ -51,7 +51,6 @@ BOOST_AUTO_TEST_CASE( test_find_nearest_face_location_on_surface )
   
   typedef CGAL::AABB_face_graph_triangle_primitive<Polyhedron_3, VPM> AABB_face_graph_primitive;
   typedef CGAL::AABB_traits<Kernel, AABB_face_graph_primitive> AABB_face_graph_traits;
-  typedef CGAL::AABB_tree<AABB_face_graph_traits> AABB_face_graph_tree;
   
   Traits traits;
   

Surface_mesh_shortest_path/test/Surface_mesh_shortest_path/Surface_mesh_shortest_path_test_4.cpp

@@ -54,7 +54,6 @@ BOOST_AUTO_TEST_CASE( test_find_nearest_face_location_above_surface )
   
   typedef CGAL::AABB_face_graph_triangle_primitive<Polyhedron_3, VPM> AABB_face_graph_primitive;
   typedef CGAL::AABB_traits<Kernel, AABB_face_graph_primitive> AABB_face_graph_traits;
-  typedef CGAL::AABB_tree<AABB_face_graph_traits> AABB_face_graph_tree;
   
   Traits traits;