Checking if your kit is complete...
Looks good
Writing Makefile for Modem::VBox
cp VBox.pm blib/lib/Modem/VBox.pm
/home/cpanrun/tmp/5.8.0/bin/perl /home/cpanrun/build/5.8.0/lib/5.8.0/ExtUtils/xsubpp  -typemap /home/cpanrun/build/5.8.0/lib/5.8.0/ExtUtils/typemap  VBox.xs > VBox.xsc && mv VBox.xsc VBox.c
gcc -c   -D_REENTRANT -D_GNU_SOURCE -fno-strict-aliasing -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -O3   -DVERSION=\"0.051\" -DXS_VERSION=\"0.051\" -fpic "-I/home/cpanrun/build/5.8.0/lib/5.8.0/i686-linux-thread-multi/CORE"   VBox.c
Running Mkbootstrap for Modem::VBox ()
chmod 644 VBox.bs
rm -f blib/arch/auto/Modem/VBox/VBox.so
LD_RUN_PATH="" gcc  -shared VBox.o  -o blib/arch/auto/Modem/VBox/VBox.so     
chmod 755 blib/arch/auto/Modem/VBox/VBox.so
cp VBox.bs blib/arch/auto/Modem/VBox/VBox.bs
chmod 644 blib/arch/auto/Modem/VBox/VBox.bs
Manifying blib/man3/Modem::VBox.3
PERL_DL_NONLAZY=1 /home/cpanrun/tmp/5.8.0/bin/perl "-MExtUtils::Command::MM" "-e" "test_harness(0, 'blib/lib', 'blib/arch')" t/*.t
t/load....ok
All tests successful.
Files=1, Tests=1,  0 wallclock secs ( 0.37 cusr +  0.01 csys =  0.38 CPU)
Installing /home/cpanrun/build/5.8.0/lib/site_perl/5.8.0/i686-linux-thread-multi/auto/Modem/VBox/VBox.so
Installing /home/cpanrun/build/5.8.0/lib/site_perl/5.8.0/i686-linux-thread-multi/auto/Modem/VBox/VBox.bs
Installing /home/cpanrun/build/5.8.0/lib/site_perl/5.8.0/i686-linux-thread-multi/Modem/VBox.pm
Installing /home/cpanrun/build/5.8.0/man/man3/Modem::VBox.3
Appending installation info to /home/cpanrun/build/5.8.0/lib/5.8.0/i686-linux-thread-multi/perllocal.pod