problem executing on a sun station

[Gregory Babusiaux <gbabusia ulb ac be>]

hi i designed a program in GTK-1.2 on a linux station and everything was working fine.

i had to execute it on a sun station with a solaris OS 

the program compile but i can`t execute it

i got this message : ld.so.1 :/programname: fatal: libgtk-1.2.so.0 open failed: No such file or directory
killed

can anyone help `cause i gotta present this program on saturday for a one week exhibition

thamk you for reading

greg, brussels, belgium