Checking if your kit is complete...
Looks good
Writing Makefile for String::SetUTF8
cp SetUTF8.pm blib/lib/String/SetUTF8.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  SetUTF8.xs > SetUTF8.xsc && mv SetUTF8.xsc SetUTF8.c
Please specify prototyping behavior for SetUTF8.xs (see perlxs manual)
gcc -c   -D_REENTRANT -D_GNU_SOURCE -fno-strict-aliasing -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -O3   -DVERSION=\"1.00\" -DXS_VERSION=\"1.00\" -fpic "-I/home/cpanrun/build/5.8.0/lib/5.8.0/i686-linux-thread-multi/CORE"   SetUTF8.c
Running Mkbootstrap for String::SetUTF8 ()
chmod 644 SetUTF8.bs
rm -f blib/arch/auto/String/SetUTF8/SetUTF8.so
LD_RUN_PATH="" gcc  -shared SetUTF8.o  -o blib/arch/auto/String/SetUTF8/SetUTF8.so     
chmod 755 blib/arch/auto/String/SetUTF8/SetUTF8.so
cp SetUTF8.bs blib/arch/auto/String/SetUTF8/SetUTF8.bs
chmod 644 blib/arch/auto/String/SetUTF8/SetUTF8.bs
Manifying blib/man3/String::SetUTF8.3
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/01-basic..........ok
t/02-nonstring......ok
t/03-pod............ok
t/04-podcoverage....ok
All tests successful.
Files=4, Tests=6,  2 wallclock secs ( 1.96 cusr +  0.16 csys =  2.12 CPU)
Installing /home/cpanrun/build/5.8.0/lib/site_perl/5.8.0/i686-linux-thread-multi/auto/String/SetUTF8/SetUTF8.so
Installing /home/cpanrun/build/5.8.0/lib/site_perl/5.8.0/i686-linux-thread-multi/auto/String/SetUTF8/SetUTF8.bs
Installing /home/cpanrun/build/5.8.0/lib/site_perl/5.8.0/i686-linux-thread-multi/String/SetUTF8.pm
Installing /home/cpanrun/build/5.8.0/man/man3/String::SetUTF8.3
Appending installation info to /home/cpanrun/build/5.8.0/lib/5.8.0/i686-linux-thread-multi/perllocal.pod