Extern means that the variable is defined in a cpp file, which it is not yet. You need to add the line QString ERRORLOGGER; in your cpp file, preferably at the top of it, after the includes.
Intermediate user
Re: Problems compiling when using an extern
Extern means that the variable is defined in a cpp file, which it is not yet. You need to add the line QString ERRORLOGGER; in your cpp file, preferably at the top of it, after the includes.
aarelovich (24th June 2011)
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