Alexander Belopolsky <belopol...@users.sourceforge.net> added the comment:

On Fri, Jan 2, 2009 at 10:54 AM, Marc-Andre Lemburg
<rep...@bugs.python.org> wrote:
>
> Marc-Andre Lemburg <m...@egenix.com> added the comment:
>
> Also note that by removing the extern "C" declarations, you not only
> change the exported symbol names of functions, but also those of
> exported globals.
>
What are " exported globals" other than "exported symbol names of
functions"?  AFAIK, C++ does not mangle non-function symbols.

> Those would also have to get declared in the header files, to prevent
> their names from being mangled (causing the exported C API to change).

I believe .c files should only contain static functions and functions
that are declared in an included header file.  If a function that is
not advertised in a header, it is not part of API and it is a fair
game to mangle it.  The only exception is the module init functions
that are part of the ABI rather than API.

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<http://bugs.python.org/issue4805>
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