Qt3 - Qnx6.2 - Unknown symbols

Hi everybody!
I have just installed Qt3 (3.2.1) on my QNX 6.2. Everything runs ok until I try to use "moc" (or qmake), when I get the following message:
unknow symbol: getgrgid
unknown symbol: getpwuid

If I make a very simple app, like "Hello World", where I do not need moc, I am able to compile and run it. It seems that is something missing. I have created the LD_LIBRARY_PATH as mentioned in the docs, and changed "-lqt" to "-ltq-mc", but this does not help.
Any hints?
Thanks in advance,
    Fernando



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