in version 1.5.x the util library has been moved to Ethernet/.../utility/util.h
So its a better idea to keep a version of this small library along with the ICMPPing library to provide compatiblity with each version of IDE.
Error given otherwise in IDE 1.5.x
/Applications/Arduino1.5.0.app/Contents/Java/libraries/icmp_ping/ICMPPing.cpp:11:18: fatal error: util.h: No such file or directory
#include <util.h>
^
compilation terminated.
Error compiling.
in version 1.5.x the
util
library has been moved toEthernet/.../utility/util.h
So its a better idea to keep a version of this small library along with the ICMPPing library to provide compatiblity with each version of IDE.Error given otherwise in IDE 1.5.x