[Bug 211809] graphics/blender: c++ compiler failure due to: error: no member named 'signbit' OR fatal error: 'stddef.h' file not found

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=211809

            Bug ID: 211809
           Summary: graphics/blender:  c++ compiler failure due to: error:
                    no member named 'signbit' OR fatal error: 'stddef.h'
                    file not found
           Product: Ports & Packages
           Version: Latest
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Many People
          Priority: ---
         Component: Individual Port(s)
          Assignee: mva at FreeBSD.org
          Reporter: ohartman at zedat.fu-berlin.de
             Flags: maintainer-feedback?(mva at FreeBSD.org)
          Assignee: mva at FreeBSD.org

On recent CURRENT (FreeBSD 12.0-CURRENT #10 r304020: Fri Aug 12 22:39:57 CEST
2016) with most recent ports tree and ports so far up to date (r420159), the
port graphics/blender fails to update from belnder 2.76b_1 to 2.77a or fails to
be freshly installed with the error shown below:


[...]
[  1%] Building CXX object
intern/ghost/CMakeFiles/bf_intern_ghost.dir/intern/GHOST_EventManager.cpp.o
In file included from
/usr/ports/graphics/blender/work/blender-2.77a/intern/libmv/intern/autotrack.cc:27:
In file included from
/usr/ports/graphics/blender/work/blender-2.77a/intern/libmv/intern/autotrack.h:30:
In file included from
/usr/ports/graphics/blender/work/blender-2.77a/intern/libmv/intern/frame_accessor.h:32:
In file included from
/usr/ports/graphics/blender/work/blender-2.77a/intern/libmv/intern/image.h:31:
In file included from
/usr/ports/graphics/blender/work/blender-2.77a/intern/libmv/libmv/image/image.h:24:
/usr/include/c++/v1/cmath:309:9: error: no member named 'signbit' in the global
namespace; did you mean '__signbit'?
using ::signbit;
      ~~^
/usr/include/include/math.h:192:5: note: '__signbit' declared here
int     __signbit(double) __pure2;
        ^
In file included from
/usr/ports/graphics/blender/work/blender-2.77a/intern/libmv/intern/autotrack.cc:27:
In file included from
/usr/ports/graphics/blender/work/blender-2.77a/intern/libmv/intern/autotrack.h:30:
In file included from
/usr/ports/graphics/blender/work/blender-2.77a/intern/libmv/intern/frame_accessor.h:32:
In file included from
/usr/ports/graphics/blender/work/blender-2.77a/intern/libmv/intern/image.h:31:
In file included from
/usr/ports/graphics/blender/work/blender-2.77a/intern/libmv/libmv/image/image.h:24:
/usr/include/c++/v1/cmath:310:9: error: no member named 'fpclassify' in the
global namespace
using ::fpclassify;
      ~~^
/usr/include/c++/v1/cmath:311:9: error: no member named 'isfinite' in the
global namespace
using ::isfinite;
      ~~^
/usr/include/c++/v1/cmath:312:9: error: no member named 'isinf' in the global
namespace
using ::isinf;

[...]

In file included from
/usr/ports/graphics/blender/work/blender-2.77a/intern/libmv/libmv/image/tuple.h:24:
In file included from /usr/include/c++/v1/algorithm:624:
In file included from /usr/include/c++/v1/initializer_list:47:
/usr/include/c++/v1/cstddef:43:15: fatal error: 'stddef.h' file not found
#include_next <stddef.h>

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