Add ldflags to compile command

On my system (Mac OS with custom Python installation) I had to add the ldflags argument to python-config to get things working.

docs/basics.rst

@@ -117,7 +117,7 @@ example can be compiled using the following command
 
 
 .. code-block:: bash
 .. code-block:: bash
 
 
-    $ c++ -O3 -shared -std=c++11 -I <path-to-pybind11>/include `python-config --cflags --libs` example.cpp -o example.so
+    $ c++ -O3 -shared -std=c++11 -I <path-to-pybind11>/include `python-config --cflags --ldflags --libs` example.cpp -o example.so
 
 
 In general, it is advisable to include several additional build parameters
 In general, it is advisable to include several additional build parameters
 that can considerably reduce the size of the created binary. Refer to section
 that can considerably reduce the size of the created binary. Refer to section