Welcome to LQ.
./configure --prefix=/usr/
etc. etc. ... please read further info here
http://www.linuxquestions.org/questi...ighlight=gpsim
And not telling which Linux you are using
prevents us all from providing a precise answer.
So please tell, what you are using.
Like CentOS 5.x, Fedora 11, Redhat EL5, etc.
And you will of course need the "gtkextra-20" package
for your specific Linux. ( Like
gtk+extra-devel ).
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