Checking if your kit is complete...
Looks good
Writing Makefile for IO::SendFile
cp SendFile.pm blib/lib/IO/SendFile.pm
AutoSplitting blib/lib/IO/SendFile.pm (blib/lib/auto/IO/SendFile)
/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 -typemap typemap  SendFile.xs > SendFile.xsc && mv SendFile.xsc SendFile.c
Please specify prototyping behavior for SendFile.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"   SendFile.c
Running Mkbootstrap for IO::SendFile ()
chmod 644 SendFile.bs
rm -f blib/arch/auto/IO/SendFile/SendFile.so
gcc  -shared -O2 SendFile.o  -o blib/arch/auto/IO/SendFile/SendFile.so 	\
     	\
  
chmod 755 blib/arch/auto/IO/SendFile/SendFile.so
cp SendFile.bs blib/arch/auto/IO/SendFile/SendFile.bs
chmod 644 blib/arch/auto/IO/SendFile/SendFile.bs
Manifying blib/man3/IO::SendFile.3
PERL_DL_NONLAZY=1 /home/cpanrun/tmp/5.10.0/bin/perl "-Iblib/lib" "-Iblib/arch" test.pl
1..1
ok 1
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/IO/SendFile/SendFile.so
Installing /home/cpanrun/build/5.10.0/site/lib/auto/IO/SendFile/SendFile.bs
Installing /home/cpanrun/build/5.10.0/html/site/lib/IO/SendFile.html
Installing /home/cpanrun/build/5.10.0/site/lib/IO/SendFile.pm
Installing /home/cpanrun/build/5.10.0/site/lib/auto/IO/SendFile/autosplit.ix
Installing /home/cpanrun/build/5.10.0/site/man/man3/IO::SendFile.3
Appending installation info to /home/cpanrun/build/5.10.0/lib/perllocal.pod