install on mac osx

lib/orchpy/setup.py

@@ -1,19 +1,23 @@
+import sys
+
 from setuptools import setup, Extension, find_packages
 from Cython.Build import cythonize
 
 # because of relative paths, this must be run from inside orch/lib/orchpy/
 
+MACOSX = (sys.platform in ['darwin'])
+
 setup(
   name = "orchestra",
   version = "0.1.dev0",
   ext_modules = cythonize([
     Extension("orchpy/worker",
-      include_dirs = ["../../src"],
+      include_dirs = ["../../src", "/usr/local/include/"],
       sources = ["orchpy/worker.pyx"],
       extra_link_args=["-Iorchpy -lorchlib"],
       language = "c++"),
     Extension("orchpy/unison",
-      include_dirs = ["../../src/"],
+      include_dirs = ["../../src/", "/usr/local/include/"],
       sources = ["orchpy/unison.pyx"],
       extra_link_args=["-Iorchpy -lorchlib"],
       language = "c++")],
@@ -21,7 +25,9 @@ setup(
   use_2to3=True,
   packages=find_packages(),
   package_data = {
-    'orchpy': ['liborchlib.so', 'scheduler_server', 'objstore']
+    'orchpy': ['liborchlib.dylib' if MACOSX else 'liborchlib.so',
+               'scheduler_server',
+               'objstore']
   },
   zip_safe=False
 )