Fix OSX build problem

setup.py

@@ -7,10 +7,27 @@ import sys
 import contextlib
 from distutils.command.build_ext import build_ext
 from distutils.sysconfig import get_python_inc
+import distutils.util
 from distutils import ccompiler, msvccompiler
 from setuptools import Extension, setup, find_packages
 
 
+def is_new_osx():
+    '''Check whether we're on OSX >= 10.10'''
+    name = distutils.util.get_platform()
+    if sys.platform != 'darwin':
+        return False
+    elif name.startswith('macosx-10'):
+        minor_version = int(name.split('-')[1].split('.')[1])
+        if minor_version >= 7:
+            return True
+        else:
+            return False
+    else:
+        return False
+
+
+
 PACKAGE_DATA = {"": ["*.pyx", "*.pxd", "*.txt", "*.tokens"]}
 
 
@@ -57,8 +74,17 @@ COMPILE_OPTIONS = {
 LINK_OPTIONS = {"msvc": [], "mingw32": [], "other": []}
 
 
-# I don't understand this very well yet. See Issue #267
+if is_new_osx():
-# Fingers crossed!
+    # On Mac, use libc++ because Apple deprecated use of
+    # libstdc
+    COMPILE_OPTIONS["other"].append("-stdlib=libc++")
+    LINK_OPTIONS["other"].append("-lc++")
+    # g++ (used by unix compiler on mac) links to libstdc++ as a default lib.
+    # See: https://stackoverflow.com/questions/1653047/avoid-linking-to-libstdc
+    LINK_OPTIONS["other"].append("-nodefaultlibs")
+
+
+
 USE_OPENMP_DEFAULT = "0" if sys.platform != "darwin" else None
 if os.environ.get("USE_OPENMP", USE_OPENMP_DEFAULT) == "1":
     if sys.platform == "darwin":