CGAL users discussion list

["Laurent Rineau (CGAL/GeometryFactory)" <>]

Le Sunday, April 22, 2018 10:27:23 PM CEST Benjamin Bercovici a écrit :
> I am getting errors while compiling a piece of software that uses CGAL (see
> compiler trace below). This error arises using Apple’s Clang or
> a-built-from-source GCC 7.3.0.
> 
> [  2%] Building CXX object CMakeFiles/ASPEN.dir/source/ShapeBuilder.cpp.o
> In file included from
> /usr/local/include/CGAL/internal/boost/mutable_queue.hpp:27:0, from
> /usr/local/include/CGAL/Modifiable_priority_queue.h:27, from
> /usr/local/include/CGAL/Surface_mesh_simplification/Detail/Common.h:46,
> from
> /usr/local/include/CGAL/Surface_mesh_simplification/Detail/Edge_collapse.h
> :25, from
> /usr/local/include/CGAL/Surface_mesh_simplification/edge_collapse.h:28,
> from
> /Users/bbercovici/GDrive/CUBoulder/Research/code/ASPEN_gui_less/lib/extern
> al/CGAL_interface/include/CGAL_interface.hpp:21, from
> /Users/bbercovici/GDrive/CUBoulder/Research/code/ASPEN_gui_less/lib/source
> /ShapeBuilder.cpp:21:
> /usr/local/include/CGAL/internal/boost/array_binary_tree.hpp:54:28: error:
> expected template-name before '<' token
>          : ::boost::iterator<std::forward_iterator_tag,
> 
>                             ^
> /usr/local/include/CGAL/internal/boost/array_binary_tree.hpp:54:28: error:
> expected '{' before '<' token
> /usr/local/include/CGAL/internal/boost/array_binary_tree.hpp:54:28: error:
> expected unqualified-id before '<' token make[2]: ***
> [CMakeFiles/ASPEN.dir/source/ShapeBuilder.cpp.o] Error 1 make[1]: ***
> [CMakeFiles/ASPEN.dir/all] Error 2
> make: *** [all] Error 2
> 
> 
> I’m using CGAL 4.11.1, downloaded through Homebrew . The same error was
> raised using the bleeding-edge CGAL 4.13 (that I compiled from source
> since it is not on Homebrew yet).
> 
> I believe a Boost upgrade may be the cause for this, based on when the last
> upgrade was applied. I’m using Boost 1.67.0_1 , also downloaded from
> Homebrew a couple days ago. I am certain I was able to compile without
> trouble until I got the update, hence my suspicion that something is wrong
> with boost.
> 
> Any advice ?

Hi Benjamin,

It seems there is a missing `#include` in that file of CGAL.

As a workaround, you can add a 

  #include <boost/iterator.hpp>

in the file

  ASPEN_gui_less/lib/external/CGAL_interface/include/CGAL_interface.hpp

before its lines 21. That should fix your issue. Let us know.

-- 
Laurent Rineau, PhD
R&D Engineer at GeometryFactory           http://www.geometryfactory.com/
Release Manager of the CGAL Project       http://www.cgal.org/