Focus stealing protection, qt_x_user_time and Runtime vs. Compile time check

[Holger Freyther]

Hey guys,

after my yesterdays troubles with linking kdecore against a too old Qt and 
having problems with Intern XAtoms not present in older versions of Qt. I 
really wonder why you do CompileTime checks if you've solutions for both 
older and newer Qt versions that you check for at compile time.

I wonder why we can't declare qt_x_user_time as a weak symbol and then do 
runtime check to see if it is present. Weak symbols are at least supported by 
GNU/Linux (gcc/glibc), and MacOS X, I think other platforms offer that as 
well.

Is there a general guideline when to use intern XAtoms of Qt and when not to 
rely on them?


regards holger

-- 
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Holger 'zecke' Freyther
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