Checking if your kit is complete...
Looks good
Writing Makefile for Text::CharWidth
cp CharWidth.pm blib/lib/Text/CharWidth.pm
/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  CharWidth.xs > CharWidth.xsc && mv CharWidth.xsc CharWidth.c
Please specify prototyping behavior for CharWidth.xs (see perlxs manual)
gcc -c  -I. -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=\"0.04\" -DXS_VERSION=\"0.04\" -fPIC "-I/home/cpanrun/build/5.10.0/lib/CORE"   CharWidth.c
Running Mkbootstrap for Text::CharWidth ()
chmod 644 CharWidth.bs
rm -f blib/arch/auto/Text/CharWidth/CharWidth.so
gcc  -shared -O2 CharWidth.o  -o blib/arch/auto/Text/CharWidth/CharWidth.so 	\
     	\
  
chmod 755 blib/arch/auto/Text/CharWidth/CharWidth.so
cp CharWidth.bs blib/arch/auto/Text/CharWidth/CharWidth.bs
chmod 644 blib/arch/auto/Text/CharWidth/CharWidth.bs
Manifying blib/man3/Text::CharWidth.3
PERL_DL_NONLAZY=1 /home/cpanrun/tmp/5.10.0/bin/perl "-MExtUtils::Command::MM" "-e" "test_harness(1, 'blib/lib', 'blib/arch')" t/*.t
t/use....1..5
ok 1
ok 2
ok 3
ok 4
ok 5
ok
All tests successful.
Files=1, Tests=5,  0 wallclock secs ( 0.04 cusr +  0.04 csys =  0.08 CPU)
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/Text/CharWidth/CharWidth.bs
Installing /home/cpanrun/build/5.10.0/site/lib/auto/Text/CharWidth/CharWidth.so
Installing /home/cpanrun/build/5.10.0/html/site/lib/Text/CharWidth.html
Installing /home/cpanrun/build/5.10.0/site/lib/Text/CharWidth.pm
Installing /home/cpanrun/build/5.10.0/site/man/man3/Text::CharWidth.3
Appending installation info to /home/cpanrun/build/5.10.0/lib/perllocal.pod