How to bind to OpenCV for GNAT?

Can anybody tell me how to find or create a binding to OpenCV 开发者_StackOverflow社区for GNAT? I want to use Ada2005 to implement some program with OpenCV (1.0 or 2.X), but I don't know how. Can anybody teach me how to do it?

Teaching you how to create a binding to a complex library is beyond the scope of StackOverflow, but you might start with this tutorial. Then study the relevant GNAT library sources, e.g. Ada.Numerics, and other existing Ada bindings. Among others, Ada 2005 Math Extensions and An Ada binding to the GNU GMP and MPFR Multiple Precision libraries are exemplary as well as accessible.

If you have Gnat Pro (and presumably a support contract from ACT), I think you can get a binding generator from them.

In the comments, Simon Wright pointed out that you can get this binding generator from GCC 4.6.0., which is the official (although sometimes a bit behind) GCC distribution. I generally suggest folks who aren't paying ACT customers get their compiler from GCC, rather than the GNAT GPL version from ACT.