Fixed MacOS build, #55

Author: bakwc

setup.py

@@ -1,4 +1,5 @@
 import os
+import sys
 import re
 from distutils.command.build import build
 from distutils.command.build_ext import build_ext
@@ -28,6 +29,9 @@
     swig_opts=['-c++'],
 )
 
+if sys.platform == 'darwin':
+    jamspell.extra_compile_args.append('-stdlib=libc++')
+
 class CustomBuild(build):
     def run(self):
         self.run_command('build_ext')