I have download this:
Qt Code: 
  1. http://www.qtsoftware.com/downloads/sdk-linux-x11-32bit-cpp
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and i installed it in ubuntu 9.04.I did just a simple install.At first i had a problem with g++ so i did
Qt Code: 
  1. sudo apt-get install g++
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Now i have this problem
Qt Code: 
  1. collect2: ld returned 1 exit status
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In an other box i have installed the windows version which compiling correct

What should i fix??