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From: Simon Wright <simon@pushface.org>
Newsgroups: comp.lang.ada
Subject: Re: calling Ada dll from C?
Date: Sat, 21 Mar 2015 14:19:28 +0000
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Stephen Leake <stephen_leake@stephe-leake.org> writes:

> A related issue is 'adainit'. According to "(gnat_ugn) Binding with
> Non-Ada Main Programs", since the main program is not in Ada, I'm
> supposed to run gnatbind with -n, and then call 'adainit' from the C
> main program.
>
> However, since I'm only building a dll, not a main program, it appears
> gnatbind is not run, so no 'adainit' is generated.

You need to build a 'stand-alone library'[1]. If the library is dynamic,
the default is to do automatic initialization (i.e. elaboration) on load
(and finalization on unload?).

[1] http://docs.adacore.com/gprbuild-docs/html/share/gnat_project_manager.html#stand-alone-library-projects