cpan> install Filesys::Df
Running install for module Filesys::Df
Running make for I/IG/IGUTHRIE/Filesys-Df-0.92.tar.gz
Checksum for /root/.cpan/sources/authors/id/I/IG/IGUTHRIE/Filesys-Df-0.92.tar.gz ok
Filesys-Df-0.92/
Filesys-Df-0.92/XS_statvfs
Filesys-Df-0.92/META.yml
Filesys-Df-0.92/test.pl
Filesys-Df-0.92/Changes
Filesys-Df-0.92/MANIFEST
Filesys-Df-0.92/typemap
Filesys-Df-0.92/Df.pm
Filesys-Df-0.92/XS_statfs
Filesys-Df-0.92/Makefile.PL
Filesys-Df-0.92/README
Removing previously used /root/.cpan/build/Filesys-Df-0.92

  CPAN.pm: Going to build I/IG/IGUTHRIE/Filesys-Df-0.92.tar.gz

OS = linux
Checking for statvfs .....
d_statvfs is defined.
i_sysstatvfs is defined.
Building with statvfs ....
Checking if your kit is complete...
Looks good
Writing Makefile for Filesys::Df
cp Df.pm blib/lib/Filesys/Df.pm
/usr/bin/perl5.8.7 /usr/lib/perl5/5.8.7/ExtUtils/xsubpp -prototypes -typemap /usr/lib/perl5/5.8.7/ExtUtils/typemap -typemap typemap  Df.xs > Df.xsc && mv Df.xsc Df.c
make: *** No rule to make target `/usr/lib/perl5/5.8.7/i386-linux/CORE/EXTERN.h', needed by `Df.o'.  Stop.
  /usr/bin/make  -- NOT OK
Running make test
  Can't test without successful make
Running make install
  make had returned bad status, install seems impossible