Re: Example Ada calling Gnu Scientific Library (GSL)

[hreba <f_hreba@yahoo.com.br>]

On 04/10/2017 11:47 AM, Dmitry A. Kazakov wrote:
>
> You also seem confuse project to build and project to use a library.
> They are not same! For a bindings library you need both.
>

I don't understand that. From the discussions here on the list I thought:

1. Thin binding is just an interface module which allows to call the C 
library functions from an Ada program, using all the parameters of the C 
prototype and some types from Interfaces.C.
Library project.

2. Thick binding: Specification and implementation of Ada subprograms 
which call subprograms of the thin binding. Interfaces.C types can be 
avoided in the specifications. Specification of exported subprograms 
usually differ from corresponding imported C prototypes, because this is 
what you want from thick bindings.
Library project, because there is no executable.

3. Application calls subprograms from the thick binding and defines 
executable(s) (Main).
Non-library project because executables are generated.

What is wrong here, why do i need both types of projects for a bindings 
library?

And is that documented anywhere?
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