I get a load of these...

```
In file included from /home/james/Src/xdress/tests/cppproj/build/cppproj/pybasics.cxx:347:0:
/home/james/Src/xdress/tests/cppproj/build/cppproj/basics.h:21:32: error: previous declaration of ‘void __pyx_f_7cppproj_6basics__xdress_VoidFPStruct_op_proxy_func6(int)’
 __PYX_EXTERN_C DL_IMPORT(void) __pyx_f_7cppproj_6basics__xdress_VoidFPStruct_op_proxy_func6(int);
                                ^
/home/james/Src/xdress/tests/cppproj/build/cppproj/pybasics.cxx:1760:80: error: ‘void (* __pyx_f_7cppproj_6basics__xdress_VoidFPStruct_op_proxy_func7)(int)’ redeclared as different kind of symbol
 static void (*__pyx_f_7cppproj_6basics__xdress_VoidFPStruct_op_proxy_func7)(int); /*proto*/
````