Add C++11 conditions/tests/warnings for LAS and PLY IO functions and related files

Documentation/doc/resources/1.8.13/BaseDoxyfile.in

@@ -266,6 +266,7 @@ ALIASES                = "sc{1}=<span style=\"font-variant: small-caps;\">\1</sp
                          "cgalAdvancedEnd=\htmlonly </div> \endhtmlonly" \
                          "cgalAdvancedFunction=This is an advanced function." \
                          "cgalAdvancedClass=This is an advanced class." \
+                         "cgalRequiresCPP11=\warning This function requires a C++11 compiler." \
                          "cgalPkgPicture{1}=<div class=\"PkgImage\"> \n \image html \1 \n</div>" \
                          "cgalPkgSummaryBegin=<div class=\"PkgSummary\">" \
                          "cgalPkgSummaryEnd=</div>" \

Documentation/doc/resources/1.8.4/BaseDoxyfile.in

@@ -251,6 +251,8 @@ ALIASES += "cgalAdvancedEnd=\htmlonly </div> \endhtmlonly"
 ALIASES += "cgalAdvancedFunction=This is an advanced function."
 ALIASES += "cgalAdvancedClass=This is an advanced class."
 
+ALIASES += "cgalRequiresCPP11=\warning This function requires a C++11 compiler."
+
 ALIASES += "cgalPkgPicture{1}=<div class=\"PkgImage\"> \n \image html \1 \n</div>"
 
 ALIASES += "cgalPkgSummaryBegin=<div class=\"PkgSummary\">"

Point_set_processing_3/examples/Point_set_processing_3/CMakeLists.txt

@@ -52,8 +52,6 @@ if ( CGAL_FOUND )
   create_single_source_cgal_program( "property_map.cpp" )
   create_single_source_cgal_program( "random_simplification_example.cpp" )
   create_single_source_cgal_program( "read_write_xyz_point_set_example.cpp" )
-  create_single_source_cgal_program( "read_ply_points_with_colors_example.cpp" )
-  create_single_source_cgal_program( "write_ply_points_example.cpp" )
   create_single_source_cgal_program( "remove_outliers_example.cpp" )
   create_single_source_cgal_program( "scale_estimation_example.cpp" )
   create_single_source_cgal_program( "scale_estimation_2d_example.cpp" )
@@ -61,6 +59,26 @@ if ( CGAL_FOUND )
   create_single_source_cgal_program( "edge_aware_upsample_point_set_example.cpp" )
   create_single_source_cgal_program( "structuring_example.cpp" )
 
+  # Executables that require C++11
+  list(FIND CMAKE_CXX_COMPILE_FEATURES cxx_generalized_initializers has_cpp11)
+  if(has_cpp11 LESS 0)
+    message(STATUS "NOTICE: LAS/PLY IO examples require a C++11 compiler and will not be compiled.")
+  else()
+    create_single_source_cgal_program( "read_ply_points_with_colors_example.cpp" )
+    create_single_source_cgal_program( "write_ply_points_example.cpp" )
+    
+    find_package(LASLIB)
+    if (LASLIB_FOUND)
+      include(${LASLIB_USE_FILE})
+      include_directories(${LASLIB_INCLUDE_DIR})
+      include_directories(${LASZIP_INCLUDE_DIR})
+      create_single_source_cgal_program( "read_las_example.cpp" )
+      target_link_libraries(read_las_example ${LASLIB_LIBRARIES})
+    else()
+      message(STATUS "NOTICE : the LAS reader test requires LASlib and will not be compiled.")
+    endif()
+  endif()
+  
   # Use Eigen or BLAS and LAPACK (optional)
   find_package(Eigen3 3.1.0) #(requires 3.1.0 or greater)
   if (NOT EIGEN3_FOUND)
@@ -83,16 +101,6 @@ if ( CGAL_FOUND )
 
   endif(EIGEN3_FOUND OR LAPACK_FOUND)
 
-  find_package(LASLIB)
-  if (LASLIB_FOUND)
-    include(${LASLIB_USE_FILE})
-    include_directories(${LASLIB_INCLUDE_DIR})
-    include_directories(${LASZIP_INCLUDE_DIR})
-    create_single_source_cgal_program( "read_las_example.cpp" )
-    target_link_libraries(read_las_example ${LASLIB_LIBRARIES})
-  else()
-    message(STATUS "NOTICE : the las reader test needs LAS libraries and will not be compiled.")
-  endif()
 
 else()
     message(STATUS "NOTICE: This program requires the CGAL library, and will not be compiled.")

Point_set_processing_3/include/CGAL/IO/read_las_points.h

@@ -22,6 +22,10 @@
 
 #include <CGAL/license/Point_set_processing_3.h>
 
+#ifndef CGAL_CXX11
+#error CGAL LAS reader requires a C++11 compiler
+#endif
+
 #include <CGAL/property_map.h>
 #include <CGAL/value_type_traits.h>
 #include <CGAL/point_set_processing_assertions.h>
@@ -351,6 +355,8 @@ namespace internal {
 ///  - `LAS_property::B` with type `unsigned short`
 ///  - `LAS_property::I` with type `unsigned short`
 ///
+/// @cgalRequiresCPP11
+///
 /// @sa `make_las_point_reader()`
 ///
 /// @tparam OutputIteratorValueType type of objects that can be put in `OutputIterator`.
@@ -417,6 +423,8 @@ bool read_las_points_with_properties (std::istream& stream,
 ///        It can be omitted if the value type of `OutputIterator` is convertible to `CGAL::Point_3`.
 ///
 /// @return `true` on success.
+///
+/// @cgalRequiresCPP11
 
 // This variant requires all parameters.
 //-----------------------------------------------------------------------------------

Point_set_processing_3/include/CGAL/IO/read_ply_points.h

@@ -22,6 +22,9 @@
 
 #include <CGAL/license/Point_set_processing_3.h>
 
+#ifndef CGAL_CXX11
+#error CGAL PLY reader requires a C++11 compiler
+#endif
 
 #include <CGAL/property_map.h>
 #include <CGAL/value_type_traits.h>
@@ -556,6 +559,8 @@ namespace internal {
 /// @sa `make_ply_point_reader()`
 /// @sa `make_ply_normal_reader()`
 ///
+/// @cgalRequiresCPP11
+///
 /// @tparam OutputIteratorValueType type of objects that can be put in `OutputIterator`.
 ///         It is default to `value_type_traits<OutputIterator>::%type` and can be omitted when the default is fine.
 /// @tparam OutputIterator iterator over output points.
@@ -632,6 +637,8 @@ bool read_ply_points_with_properties (std::istream& stream,
 /// @tparam NormalPMap is a model of `WritablePropertyMap` with value type `CGAL::Vector_3`.
 ///
 /// @return `true` on success.
+///
+/// @cgalRequiresCPP11
 
 // This variant requires all parameters.
 //-----------------------------------------------------------------------------------
@@ -715,6 +722,8 @@ bool read_ply_points_and_normals(std::istream& stream, ///< input stream.
 ///        It can be omitted if the value type of `OutputIterator` is convertible to `CGAL::Point_3`.
 ///
 /// @return `true` on success.
+///
+/// @cgalRequiresCPP11
 
 // This variant requires all parameters.
 //-----------------------------------------------------------------------------------

Point_set_processing_3/include/CGAL/IO/write_las_points.h

@@ -22,6 +22,10 @@
 
 #include <CGAL/license/Point_set_processing_3.h>
 
+#ifndef CGAL_CXX11
+#error CGAL LAS writer requires a C++11 compiler
+#endif
+
 #include <CGAL/property_map.h>
 #include <CGAL/value_type_traits.h>
 #include <CGAL/point_set_processing_assertions.h>
@@ -159,6 +163,8 @@ namespace internal {
 ///
 /// @sa `make_las_point_writer()`
 ///
+/// @cgalRequiresCPP11
+///
 /// @tparam ForwardIterator iterator over input points.
 /// @tparam PointMap is a model of `ReadablePropertyMap` with a value_type = `CGAL::Point_3`.
 /// @tparam PropertyHandler handlers to recover properties.
@@ -234,6 +240,8 @@ bool write_las_points_with_properties (std::ostream& stream,  ///< output stream
 ///        It can be omitted if the value type of `ForwardIterator` is convertible to `Point_3<Kernel>`.
 ///
 /// @return `true` on success.
+///
+/// @cgalRequiresCPP11
 
 // This variant requires all parameters.
 template < typename ForwardIterator,

Point_set_processing_3/include/CGAL/IO/write_ply_points.h

@@ -22,6 +22,9 @@
 
 #include <CGAL/license/Point_set_processing_3.h>
 
+#ifndef CGAL_CXX11
+#error CGAL PLY writer requires a C++11 compiler
+#endif
 
 #include <CGAL/property_map.h>
 #include <CGAL/point_set_processing_assertions.h>
@@ -270,6 +273,8 @@ namespace internal {
 /// @sa `make_ply_point_writer()`
 /// @sa `make_ply_normal_writer()`
 ///
+/// @cgalRequiresCPP11
+///
 /// @tparam ForwardIterator iterator over input points.
 /// @tparam PropertyHandler handlers to recover properties.
 ///
@@ -326,6 +331,8 @@ write_ply_points_with_properties(
 /// @tparam VectorMap is a model of `ReadablePropertyMap` with a value type  `CGAL::Vector_3`.
 ///
 /// @return `true` on success.
+///
+/// @cgalRequiresCPP11
 
 // This variant requires all parameters.
 template < typename ForwardIterator,
@@ -379,6 +386,8 @@ write_ply_points_and_normals(
 ///        It can be omitted if the value type of `ForwardIterator` is convertible to `CGAL::Point_3`.
 ///
 /// @return `true` on success.
+///
+/// @cgalRequiresCPP11
 
 // This variant requires all parameters.
 template < typename ForwardIterator,

Point_set_processing_3/test/Point_set_processing_3/read_test.cpp

@@ -2,9 +2,12 @@
 #include <CGAL/Simple_cartesian.h>
 #include <CGAL/property_map.h>
 #include <CGAL/IO/read_off_points.h>
-#include <CGAL/IO/read_ply_points.h>
 #include <CGAL/IO/read_xyz_points.h>
 
+#ifdef CGAL_CXX11
+#include <CGAL/IO/read_ply_points.h>
+#endif
+
 #include <vector>
 #include <cassert>
 #include <string>
@@ -49,6 +52,7 @@ bool read_off(std::string s,
                                            CGAL::Second_of_pair_property_map<PointVectorPair>());
 }
 
+#ifdef CGAL_CXX11
 bool read_ply (std::string s,
                std::vector<PointVectorPair>& pv_pairs)
 {
@@ -59,7 +63,7 @@ bool read_ply (std::string s,
                                             CGAL::First_of_pair_property_map<PointVectorPair>(), 
                                             CGAL::Second_of_pair_property_map<PointVectorPair>());
 }
-
+#endif
 
 int main()
 {
@@ -91,6 +95,7 @@ int main()
   assert(pv_pairs[2] == std::make_pair(Point_3(4,5,6), Vector_3(0,0,0)));
   assert(pv_pairs[3] == std::make_pair(Point_3(7,8,9), Vector_3(0,0,0)));
 
+#ifdef CGAL_CXX11
   pv_pairs.clear ();
   assert(read_ply("data/read_test/simple.ply", pv_pairs));
   assert(pv_pairs[0] == std::make_pair(Point_3(1,1,1), Vector_3(2,2,2)));
@@ -108,6 +113,7 @@ int main()
   assert(pv_pairs[0] == std::make_pair(Point_3(1,1,1), Vector_3(2,2,2)));
   assert(pv_pairs[1] == std::make_pair(Point_3(3,3,3), Vector_3(4,4,4)));
   assert(pv_pairs[2] == std::make_pair(Point_3(5,5,5), Vector_3(6,6,6)));
+#endif
   
   return 0;
 }  

Polyhedron/demo/Polyhedron/Plugins/IO/CMakeLists.txt

@@ -69,6 +69,9 @@ endif()
 polyhedron_demo_plugin(xyz_plugin XYZ_io_plugin)
 target_link_libraries(xyz_plugin scene_points_with_normal_item)
 
+if(has_cpp11 LESS 0)
+  message(STATUS "NOTICE: LAS/PLY IO plugins require a C++11 compiler and will not be compiled.")
+else()
   polyhedron_demo_plugin(ply_to_xyz_plugin PLY_to_xyz_io_plugin)
   target_link_libraries(ply_to_xyz_plugin scene_points_with_normal_item)
 
@@ -78,3 +81,4 @@ if (LASLIB_FOUND)
   else()
     message(STATUS "NOTICE : the LAS IO plugin needs LAS libraries and will not be compiled.")
   endif()
+endif()

Polyhedron/demo/Polyhedron/Scene_points_with_normal_item.cpp

@@ -537,6 +537,7 @@ void Scene_points_with_normal_item::selectDuplicates()
   Q_EMIT itemChanged();
 }
 
+#ifdef CGAL_CXX11
 #ifdef CGAL_LINKED_WITH_LASLIB
 // Loads point set from .LAS file
 bool Scene_points_with_normal_item::read_las_point_set(std::istream& stream)
@@ -569,7 +570,7 @@ bool Scene_points_with_normal_item::write_las_point_set(std::ostream& stream) co
     CGAL::write_las_point_set (stream, *(d->m_points));
 }
 
-#endif
+#endif // LAS
 
 // Loads point set from .PLY file
 bool Scene_points_with_normal_item::read_ply_point_set(std::istream& stream)
@@ -608,6 +609,8 @@ bool Scene_points_with_normal_item::write_ply_point_set(std::ostream& stream, bo
   return true;
 }
 
+#endif // CXX11
+
 // Loads point set from .OFF file
 bool Scene_points_with_normal_item::read_off_point_set(std::istream& stream)
 {

Polyhedron/demo/Polyhedron/Scene_points_with_normal_item.h

@@ -45,12 +45,14 @@ public:
   QMenu* contextMenu() Q_DECL_OVERRIDE;
 
   // IO
+#ifdef CGAL_CXX11
 #ifdef CGAL_LINKED_WITH_LASLIB
   bool read_las_point_set(std::istream& in);
   bool write_las_point_set(std::ostream& out) const;
-#endif
+#endif // LAS
   bool read_ply_point_set(std::istream& in);
   bool write_ply_point_set(std::ostream& out, bool binary) const;
+#endif // CXX11
   bool read_off_point_set(std::istream& in);
   bool write_off_point_set(std::ostream& out) const;
   bool read_xyz_point_set(std::istream& in);