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Message-Id:	<200003151457.PAA85319@andromeda.risc.uni-linz.ac.at>
Subject:	Re: Linking problem: IsWindowVisible
To:	jsturm AT sigma6 DOT com (Jeff Sturm)
Date:	Wed, 15 Mar 2000 15:57:56 +0100 (MET)
Cc:	OJOHANS AT statoil DOT com (=?iso-8859-1?Q?=D8ystein?= O Johansen),
	cygwin AT sourceware DOT cygnus DOT com (Cygwin Mailing List)
In-Reply-To:	<38CFA385.B0594DCE@sigma6.com> from "Jeff Sturm" at Mar 15, 2000 09:51:49 AM
From:	Axel Riese <Axel DOT Riese AT risc DOT uni-linz DOT ac DOT at>
X-Mailer:	ELM [version 2.5 PL3]
MIME-Version:	1.0

> > Hm, in this case you should have problems at compile time, not at
> > link time, shouldn't you ?
> 
> Not necessarily.  In the absence of a declaration, C will guess "int
> IsWindowVisible()", which in this case is wrong.
> 
> BTW you can catch such problems by compiling with -Wall:

Yes, clear. But I have my doubts that one can get an undefined reference
due to a missing declaration. Anyway, adding -mwindows or -luser32
should solve the problem.

- Axel

=======================================================================
Axel Riese
Research Institute for Symbolic Computation
J. Kepler University Linz                     Tel: +43 (0)732 2468 9939
Altenbergerstrasse 69                         Fax: +43 (0)732 2468 9930
A-4040 Linz                      e-Mail: Axel DOT Riese AT risc DOT uni-linz DOT ac DOT at
Austria              http://www.risc.uni-linz.ac.at/people/ariese/home/
=======================================================================

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