[cmake-developers] Patch for FindBZip2.cmake BZIP2_NEED_PREFIX issue with cross compiled mingw32 applications

[Brad King]

On 07/21/2015 10:32 AM, Ralf Habacker wrote:
> Changed to use CheckSymbolExists, see append patch.

Thanks.  We'll also need to set CMAKE_REQUIRED_INCLUDES to ensure
the correct bzlib.h header can be found when it is not in a system
default location.

Thanks,
-Brad