use ExtUtils::MakeMaker;
# See lib/ExtUtils/MakeMaker.pm for details of how to influence
# the contents of the Makefile that is written.
if ($^O eq 'darwin'){
$extra_arg = '-framework Carbon';
}
WriteMakefile(
'NAME' => 'Sys::CPU',
'VERSION_FROM' => 'CPU.pm',
'LIBS' => [''], # e.g., '-lm'
'DEFINE' => '', # e.g., '-DHAVE_SOMETHING'
'INC' => '', # e.g., '-I/usr/include/other'
'dynamic_lib' => {OTHERLDFLAGS => $extra_arg},
);