[ns] Nam can't be created in ns-allinone-2.1b8

["Xiao Xuan" <xuanxy@hotmail.com>]

When I installed ns-allinone-2.1b8, I met a question. Nam can't be created.
The information is
netview.o: In function 'Netview::NetView(char const*, NetModel *):
netview.o(.text+0xb8):undefined reference to '__rethrow'
netmodel.o: In function 'NetModel::NetModel(char const*):
netmodel.o(.text+0x327):undefined reference to '__rethrow'
netmodel.o(.text+0x346):undefined reference to '__rethrow'
netmodel.o: In function 'NetModel::add_monitor(Animation *)':
netmodel.o(.text+0xa2b):undefined reference to '__rethrow'
netmodel.o: In function 'NetModel::handle(TraceEvent const &, namnamdouble, 
int)':
netmodel.o(.text+0x2693):undefined reference to '__rethrow'
netmodel.o(.text+0x327):more undefined reference to '__rethrow' follow
collect2: ld returned 1 exit status
make: ***[nam] Error 1

pls help to solve the problem . Tks.

Xiao Xuan


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