qhull6.3.1-2012.1-3 broken on Xcode 6.3's Apple Clang 6.1

Jack Howarth <[email protected]>
Newsgroups gmane.os.apple.fink.devel
Message-ID <CAP5Ds0DKoryfimsJwVNRF0Ub0pngmtKi_uGeauk4tvM5XWS8VQ@mail.gmail.com> 
The new Xcode 6.3's Apple Clang 6.1 compiler breaks the build of
qhull6.3.1-2012.1-3.

g++ -c -O2 -Dqh_QHpointer -Isrc/ -Isrc/libqhullcpp -Isrc/libqhull
-Wall -Wcast-qual -Wextra -Wwrite-strings  -Wshadow -Wconversion  -o
src/user_eg3/user_eg3.o src/user_eg3/user_eg3.cpp
...
src/libqhullcpp/Coordinates.h:154:22: error: reference to
'random_access_iterator_tag' is ambiguous
        typedef std::random_access_iterator_tag  iterator_category;
                     ^
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/iterator:353:30:
note: candidate found by name lookup is
      'std::__1::random_access_iterator_tag'
struct _LIBCPP_TYPE_VIS_ONLY random_access_iterator_tag : public
bidirectional_iterator_tag {};
                             ^
src/libqhullcpp/QhullIterator.h:20:59: note: candidate found by name
lookup is 'std::random_access_iterator_tag'
namespace std { struct bidirectional_iterator_tag; struct
random_access_iterator_tag; }
                                                          ^
In file included from src/user_eg3/user_eg3.cpp:3:
In file included from src/libqhullcpp/RboxPoints.h:12:
In file included from src/libqhullcpp/QhullPoint.h:15:
src/libqhullcpp/Coordinates.h:201:22: error: reference to
'random_access_iterator_tag' is ambiguous
        typedef std::random_access_iterator_tag  iterator_category;
                     ^
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/iterator:353:30:
note: candidate found by name lookup is
      'std::__1::random_access_iterator_tag'
struct _LIBCPP_TYPE_VIS_ONLY random_access_iterator_tag : public
bidirectional_iterator_tag {};
                             ^
src/libqhullcpp/QhullIterator.h:20:59: note: candidate found by name
lookup is 'std::random_access_iterator_tag'
namespace std { struct bidirectional_iterator_tag; struct
random_access_iterator_tag; }
                                                          ^
In file included from src/user_eg3/user_eg3.cpp:3:
In file included from src/libqhullcpp/RboxPoints.h:12:
In file included from src/libqhullcpp/QhullPoint.h:15:
src/libqhullcpp/Coordinates.h:84:66: warning: implicit conversion
changes signedness: 'int' to 'size_type' (aka 'unsigned long')
[-Wsign-conversion]
    coordT             &at(int idx) { return coordinate_array.at(idx); }
                                             ~~~~~~~~~~~~~~~~    ^~~
src/libqhullcpp/Coordinates.h:85:72: warning: implicit conversion
changes signedness: 'int' to 'size_type' (aka 'unsigned long')
[-Wsign-conversion]
    const coordT       &at(int idx) const { return coordinate_array.at(idx); }
                                                   ~~~~~~~~~~~~~~~~    ^~~
src/libqhullcpp/Coordinates.h:95:81: warning: implicit conversion
changes signedness: 'int' to 'size_type' (aka 'unsigned long')
[-Wsign-conversion]
    coordT            &operator[](int idx) { return
coordinate_array.operator[](idx); }
                                                    ~~~~~~~~~~~~~~~~
         ^~~
gcc -c -Dqh_QHpointer -O2 -fPIC -ansi -fno-common -Isrc/libqhull -Wall
-Wcast-qual -Wextra -Wwrite-strings -Wshadow -o
src/libqhullstaticp/qset.o src/libqhull/qset.c
src/libqhullcpp/Coordinates.h:96:87: warning: implicit conversion
changes signedness: 'int' to 'size_type' (aka 'unsigned long')
[-Wsign-conversion]
    const coordT      &operator[](int idx) const { return
coordinate_array.operator[](idx); }

~~~~~~~~~~~~~~~~            ^~~
src/libqhullcpp/Coordinates.h:132:67: warning: implicit conversion
changes signedness: 'int' to 'size_type' (aka 'unsigned long')
[-Wsign-conversion]
    void                reserve(int i) { coordinate_array.reserve(i); }
                                         ~~~~~~~~~~~~~~~~         ^
In file included from src/user_eg3/user_eg3.cpp:3:
In file included from src/libqhullcpp/RboxPoints.h:13:
In file included from src/libqhullcpp/PointCoordinates.h:12:
src/libqhullcpp/QhullPoints.h:123:22: error: reference to
'random_access_iterator_tag' is ambiguous
        typedef std::random_access_iterator_tag  iterator_category;
                     ^
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/iterator:353:30:
note: candidate found by name lookup is
      'std::__1::random_access_iterator_tag'
struct _LIBCPP_TYPE_VIS_ONLY random_access_iterator_tag : public
bidirectional_iterator_tag {};
                             ^
src/libqhullcpp/QhullIterator.h:20:59: note: candidate found by name
lookup is 'std::random_access_iterator_tag'
namespace std { struct bidirectional_iterator_tag; struct
random_access_iterator_tag; }
                                                          ^
In file included from src/user_eg3/user_eg3.cpp:3:
In file included from src/libqhullcpp/RboxPoints.h:13:
In file included from src/libqhullcpp/PointCoordinates.h:12:
src/libqhullcpp/QhullPoints.h:166:22: error: reference to
'random_access_iterator_tag' is ambiguous
        typedef std::random_access_iterator_tag  iterator_category;
                     ^
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/iterator:353:30:
note: candidate found by name lookup is
      'std::__1::random_access_iterator_tag'
struct _LIBCPP_TYPE_VIS_ONLY random_access_iterator_tag : public
bidirectional_iterator_tag {};
                             ^
src/libqhullcpp/QhullIterator.h:20:59: note: candidate found by name
lookup is 'std::random_access_iterator_tag'
namespace std { struct bidirectional_iterator_tag; struct
random_access_iterator_tag; }
                                                          ^
In file included from src/user_eg3/user_eg3.cpp:3:
In file included from src/libqhullcpp/RboxPoints.h:13:
In file included from src/libqhullcpp/PointCoordinates.h:12:
src/libqhullcpp/QhullPoints.h:80:100: warning: implicit conversion
changes signedness: 'long' to 'unsigned long' [-Wsign-conversion]
    int                 extraCoordinatesCount() const { return
point_dimension>0 ?
(int)((point_end-point_first)%(size_t)point_dimension) : 0; }  //
WARN64

                   ~~~~~~~~~^~~~~~~~~~~~ ~
src/libqhullcpp/QhullPoints.h:86:89: warning: operand of ? changes
signedness: 'long' to 'size_t' (aka 'unsigned long')
[-Wsign-conversion]
    size_t              size() const { return (point_dimension ?
(point_end-point_first)/point_dimension : 0); }
                                       ~~~~~~
~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~
gcc -c -Dqh_QHpointer -O2 -fPIC -ansi -fno-common -Isrc/libqhull -Wall
-Wcast-qual -Wextra -Wwrite-strings -Wshadow -o
src/libqhullstaticp/mem.o src/libqhull/mem.c
In file included from src/user_eg3/user_eg3.cpp:6:
In file included from src/libqhullcpp/QhullFacet.h:15:
src/libqhullcpp/QhullSet.h:81:47: warning: implicit conversion changes
signedness: 'int' to 'size_t' (aka 'unsigned long')
[-Wsign-conversion]
    size_t              size() const { return count(); }
                                       ~~~~~~ ^~~~~~~
In file included from src/user_eg3/user_eg3.cpp:6:
In file included from src/libqhullcpp/QhullFacet.h:16:
src/libqhullcpp/QhullPointSet.h:122:22: error: reference to
'bidirectional_iterator_tag' is ambiguous
        typedef std::bidirectional_iterator_tag  iterator_category;
                     ^
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/iterator:352:30:
note: candidate found by name lookup is
      'std::__1::bidirectional_iterator_tag'
struct _LIBCPP_TYPE_VIS_ONLY bidirectional_iterator_tag : public
forward_iterator_tag {};
                             ^
src/libqhullcpp/QhullIterator.h:20:24: note: candidate found by name
lookup is 'std::bidirectional_iterator_tag'
namespace std { struct bidirectional_iterator_tag; struct
random_access_iterator_tag; }
                       ^
In file included from src/user_eg3/user_eg3.cpp:6:
In file included from src/libqhullcpp/QhullFacet.h:16:
src/libqhullcpp/QhullPointSet.h:170:22: error: reference to
'random_access_iterator_tag' is ambiguous
        typedef std::random_access_iterator_tag  iterator_category;
                     ^
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/iterator:353:30:
note: candidate found by name lookup is
      'std::__1::random_access_iterator_tag'
struct _LIBCPP_TYPE_VIS_ONLY random_access_iterator_tag : public
bidirectional_iterator_tag {};
                             ^
src/libqhullcpp/QhullIterator.h:20:59: note: candidate found by name
lookup is 'std::random_access_iterator_tag'
namespace std { struct bidirectional_iterator_tag; struct
random_access_iterator_tag; }
                                                          ^
In file included from src/user_eg3/user_eg3.cpp:6:
src/libqhullcpp/QhullFacet.h:73:66: warning: operand of ? changes
signedness: 'unsigned int' to 'int' [-Wsign-conversion]
    int                 id() const { return qh_facet ? qh_facet->id : -1; }
                                     ~~~~~~            ~~~~~~~~~~^~
In file included from src/user_eg3/user_eg3.cpp:7:
In file included from src/libqhullcpp/QhullFacetList.h:12:
src/libqhullcpp/QhullLinkedList.h:118:22: error: reference to
'bidirectional_iterator_tag' is ambiguous
        typedef std::bidirectional_iterator_tag  iterator_category;
                     ^
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/iterator:352:30:
note: candidate found by name lookup is
      'std::__1::bidirectional_iterator_tag'
struct _LIBCPP_TYPE_VIS_ONLY bidirectional_iterator_tag : public
forward_iterator_tag {};
                             ^
src/libqhullcpp/QhullLinkedList.h:12:24: note: candidate found by name
lookup is 'std::bidirectional_iterator_tag'
namespace std { struct bidirectional_iterator_tag; struct
random_access_iterator_tag; }
                       ^
src/libqhullcpp/QhullLinkedList.h:151:22: error: reference to
'bidirectional_iterator_tag' is ambiguous
        typedef std::bidirectional_iterator_tag  iterator_category;
                     ^
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/iterator:352:30:
note: candidate found by name lookup is
      'std::__1::bidirectional_iterator_tag'
struct _LIBCPP_TYPE_VIS_ONLY bidirectional_iterator_tag : public
forward_iterator_tag {};
                             ^
src/libqhullcpp/QhullLinkedList.h:12:24: note: candidate found by name
lookup is 'std::bidirectional_iterator_tag'
namespace std { struct bidirectional_iterator_tag; struct
random_access_iterator_tag; }
                       ^
src/libqhullcpp/QhullLinkedList.h:70:61: warning: unused parameter 'l'
[-Wunused-parameter]
    QhullLinkedList<T> &operator=(const QhullLinkedList<T> &l) {}
                                                            ^

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