improved the way setup.py looks for libraries

setup.py

 from distutils.core import setup
 from distutils.extension import Extension
 from distutils.sysconfig import get_config_vars
+import pkgconfig
 import os
 import os.path
 import sys
@@ -9,33 +10,59 @@ import sys
 os.environ['OPT'] = " ".join(
 		    flag for flag in opt.split() if flag != '-Wstrict-prototypes'
 		)
+python_version = str(sys.version_info[0])+str(sys.version_info[1])
 
+# Find out if Numpy is present
 try:
     import numpy
     has_numpy = 1
 except ImportError:
     has_numpy = 0
 
-if has_numpy == 1:
-    client_libs=['boost_python','margo','bake-client', 'boost_numpy']
-else:
-    client_libs=['boost_python','margo','bake-client']
+# Find out the dependencies using pkgconfig 
+# For client...
+pk = pkgconfig.parse('bake-client')
+client_libraries = pk['libraries']
+client_libraries.append('boost_python'+python_version)
+if(has_numpy == 1):
+    client_libraries.append('boost_numpy'+python_version)
+client_library_dirs = pk['library_dirs']
+client_include_dirs = pk['include_dirs']
+client_include_dirs.append(".")
+# For server...
+pk = pkgconfig.parse('bake-server')
+server_libraries = pk['libraries']
+server_libraries.append('boost_python'+python_version)
+server_library_dirs = pk['library_dirs']
+server_include_dirs = pk['include_dirs']
+server_include_dirs.append(".")
+# For target...
+pk = pkgconfig.parse('uuid')
+target_libraries = pk['libraries']
+target_library_dirs = pk['library_dirs']
+target_include_dirs = pk['include_dirs']
+target_include_dirs.append('.')
+pk = pkgconfig.parse('bake-server')
+target_include_dirs.extend(pk['include_dirs'])
 
 pybake_server_module = Extension('_pybakeserver', ["pybake/src/server.cpp"],
-		           libraries=['boost_python','margo','bake-server'],
-                   include_dirs=['.'],
-                   depends=[])
+		           libraries=server_libraries,
+                   library_dirs=server_library_dirs,
+                   include_dirs=server_include_dirs,
+                   depends=["pybake/src/server.cpp"])
 
 pybake_client_module = Extension('_pybakeclient', ["pybake/src/client.cpp"],
-		           libraries=client_libs,
-                   include_dirs=['.'],
-                   depends=[],
+		           libraries=client_libraries,
+                   library_dirs=client_library_dirs,
+                   include_dirs=client_include_dirs,
+                   depends=["pybake/src/client.cpp"],
                    define_macros=[('HAS_NUMPY', has_numpy)])
 
 pybake_target_module = Extension('_pybaketarget', ["pybake/src/target.cpp"],
-                    libraries=['boost_python', 'uuid' ],
-                    include_dirs=['.'],
-                    depends=[])
+                    libraries=target_libraries,
+                    library_dirs=target_library_dirs,
+                    include_dirs=target_include_dirs,
+                    depends=["pybake/src/target.cpp"])
 
 setup(name='pybake',
       version='0.1',