in first i can laucnh trev for this no pbm
But for Gap 4 Pregap4 Spin
when i try to run this, i have:
spin
couldn't read file "/usr/local/staden-linux-1-7-0/lib/iwidgets/iwidgets.tcl": no such file or directory
    while executing
"source $env(STADLIB)/iwidgets/iwidgets.tcl"
    (file "/usr/local/staden-linux-1-7-0/tables/iwidgetsrc" line 15)
    invoked from within
"source /usr/local/staden-linux-1-7-0/tables/iwidgetsrc"
    ("uplevel" body line 1)
    invoked from within
"uplevel #0 [list source $i]"
    (procedure "SetDefaults" line 42)
    invoked from within
"SetDefaults $tdir ${name}rc ${name}_defs"
    (procedure "simple_load_package" line 35)
    invoked from within
"simple_load_package $tcldir"
    (procedure "load_package" line 5)
    invoked from within
"load_package iwidgets"
    (file "/usr/local/staden-linux-1-7-0/tables/spinrc" line 8)
    invoked from within
"source /usr/local/staden-linux-1-7-0/tables/spinrc"
    ("uplevel" body line 1)

Note: iwidgets package is installed
Somebody can help me, please