No such signal: SIGINT, In embedded linux system

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$SIG{INT} = \&intHandler;                                             
+     

...
sub intHandler {
  ...
}

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$ ./wdminterface.pl
No such signal: SIGINT at ./wdminterface.pl line 40 (#1)
...
    Say kill -l in your shell to see the valid signal names on your sy
+stem.

$

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$ kill -l
 1) SIGHUP           2) SIGINT           3) SIGQUIT          4) SIGILL
...
25) SIGXFSZ         26) SIGVTALRM       27) SIGPROF         28) SIGWIN
+CH
29) SIGIO           30) SIGPWR          31) SIGSYS
$

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