lappend auto_path "/location/of/my/eclipse/lib_tcl" package require eclipseIt might also be necessary to provide information about where the DLLs or shared library files can be found. On Unix systems this is done by setting the LD_LIBRARY_PATH environment variable, e.g.
LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/location/of/my/eclipse/lib/sparc_sunos5