Various patches against gmp-4.3.0

[Marc Glisse]

On Wed, 6 May 2009, Torbjorn Granlund wrote:

>  >   o forgotten_extern_C.difffix for t-locale.cc where an extra extern
>  >   "C" is needed
>  >
>  > Why is this needed?
>
>  Without the extern "C", the variable "point_string" is subject to C++ name
>  mangling: on win32 it becomes "?point_string@@3PADA", leaving an unresolved
>  symbol  "_point_string".
>
> Well, this is a C++ file, point_string is supposed to be a C++ variable,
> so if your compiler mangles its use but not its declaration, it sounds
> like a serious compiler problem.

Apparently this variable is shared with the C file clocale.c, so I think 
it makes sense that there can be problems. Although I am not sure the 
standard allows the C++ compiler to mangle the names of arrays (only 
functions).

-- 
Marc Glisse