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From: Stephen Leake <stephen.a.leake.1@gsfc.nasa.gov>
Newsgroups: comp.lang.ada
Subject: Re: Use of entries using Ravenscar
Date: 20 Dec 2001 09:59:04 -0500
Organization: NASA Goddard Space Flight Center
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jidu2851@student.uu.se (Jimmy Dub�n) writes:

> Well, more exactly the compiler throws a lot of errors when compiling
> my old code.
> I've declared a entry in a protected object (this is the only entry in
> this PO) with a simple boolean as a "blocker". Now I get compiling
> errors everywhere I call this entry.
>  
> Example of compiler error:
>  
> Protected_Object.Read;
>  >>>expected type 
> "System.Tasking.Protected_Objects.Single_Entry.Protection_Entry_Access"
>  >>>found type access to subtype of 
> "System.Tasking.Protected_Objects.Entries.Protection_Entries"
>  >>>==> in call to "Protected_Single_Entry_Call" at s-tposen.adb:232
>  
> This was not a problem with the old compiler, nor is it a problem
> without pragma ravenscar.

If I recall correctly, the Ravenscar profile forbids entries. Or maybe
that was only on tasks?

In any case, this is complaining about the internals of the GNAT
runtime system; note the package name "System.Tasking". It could be
you have some object and/or .ali files hanging around from either "the
old compiler" or "compiling without Pragma (Ravenscar)". Try deleting
_everything_, and recompiling from scratch.

-- 
-- Stephe