Linking problem: IsWindowVisible

[Axel Riese]

> > 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

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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.Riese@risc.uni-linz.ac.at
Austria              http://www.risc.uni-linz.ac.at/people/ariese/home/
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