using python interpreters per thread in C++ program

[ganesh]

> Did you remeber to acquire the GIL? The GIL is global to the process
> (hence the name).

No, I did not use GIL.
-- For using GIL, do we need to initialize GIL at startup and destroy/
finalize it at end?
-- Are there any configuration & build related flags that I need to
use to make this work?

Please guide. Thanks.