use ExtUtils::MakeMaker; use POSIX qw(uname); # Check this is a supported OS release my ($sys, $rel) = (POSIX::uname())[0,2]; if ($sys ne "SunOS" || $rel !~ /^(5.6|5.7|5.8|5.9)$/) { die("Solaris::Procfs is only supported on Solaris 2.6, 7, 8, and 9\n"); } WriteMakefile( NAME => 'Solaris', VERSION_FROM => 'Procfs/Procfs.pm', DIR => [ 'Procfs' ], );