cmake resets variables

[Lubos Lunak]

 Hello,

 since kBacktrace() is not that useful with hidden symbols, I explicitly run 
cmake with -D__KDE_HAVE_GCC_VISIBILITY=0, which turns it off. However, any 
single change to any CMakeLists.txt re-runs automatically cmake, which also 
runs the cmake test for hidden symbols and enables them (interestingly, after 
yet another change it doesn't run it again). I always get undefined symbols 
as a result of this and I'm getting kind of tired of running cmake manually 
all the time.

 Does somebody know how to fix this?

-- 
Lubos Lunak
KDE developer
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