Checking if your kit is complete...
Looks good
Writing Makefile for Device::WS2000::IO
cp IO.pm blib/lib/Device/WS2000/IO.pm
AutoSplitting blib/lib/Device/WS2000/IO.pm (blib/lib/auto/Device/WS2000/IO)
/home/cpanrun/tmp/5.10.0/bin/perl /home/cpanrun/build/5.10.0/lib/ExtUtils/xsubpp  -typemap /home/cpanrun/build/5.10.0/lib/ExtUtils/typemap  IO.xs > IO.xsc && mv IO.xsc IO.c
Please specify prototyping behavior for IO.xs (see perlxs manual)
gcc -c   -D_REENTRANT -D_GNU_SOURCE -DTHREADS_HAVE_PIDS -DPRIVLIB_LAST_IN_INC -fno-strict-aliasing -pipe -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -I/usr/include/gdbm -O2   -DVERSION=\"0.01\" -DXS_VERSION=\"0.01\" -fPIC "-I/home/cpanrun/build/5.10.0/lib/CORE"   IO.c
Running Mkbootstrap for Device::WS2000::IO ()
chmod 644 IO.bs
rm -f blib/arch/auto/Device/WS2000/IO/IO.so
gcc  -shared -O2 IO.o  -o blib/arch/auto/Device/WS2000/IO/IO.so 	\
     	\
  
chmod 755 blib/arch/auto/Device/WS2000/IO/IO.so
cp IO.bs blib/arch/auto/Device/WS2000/IO/IO.bs
chmod 644 blib/arch/auto/Device/WS2000/IO/IO.bs
Manifying blib/man3/Device::WS2000::IO.3
PERL_DL_NONLAZY=1 /home/cpanrun/tmp/5.10.0/bin/perl "-Iblib/lib" "-Iblib/arch" test.pl
1..4
not ok 1
Error : could not open port /dev/ttyS1.
Files found in blib/arch: installing files in blib/lib into architecture dependent library tree
Installing /home/cpanrun/build/5.10.0/site/lib/auto/Device/WS2000/IO/IO.bs
Installing /home/cpanrun/build/5.10.0/site/lib/auto/Device/WS2000/IO/IO.so
Installing /home/cpanrun/build/5.10.0/html/site/lib/Device/WS2000/IO.html
Installing /home/cpanrun/build/5.10.0/site/lib/auto/Device/WS2000/IO/autosplit.ix
Installing /home/cpanrun/build/5.10.0/site/lib/Device/WS2000/IO.pm
Installing /home/cpanrun/build/5.10.0/site/man/man3/Device::WS2000::IO.3
Appending installation info to /home/cpanrun/build/5.10.0/lib/perllocal.pod