Tried to add this to AllCrypt.com, however, it will not compile.
init.cpp:592:15: error: operator '!' has no right operand
#if ! USE_IPV6
^
make: *** [obj/init.o] Error 1
https://bitcointalk.org/index.php?topic=174874.0watch this hope it helps
install libupnp-dev
set USE_UPNP:=- int the makefile instead of uncommenting the line.