perl - Makefile.PL check if source directory found -

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i using extutils::makemaker create makefile.pl added following function makefile.pl check if source directory exist

sub  check_directory  {   ($argv) = @_;  unless (defined $argv->{'source'} , -d $argv->{'source'}) {       die 'directory not found '; }  }

now when run perl makefile.pl --source=/opt/src ok

but after whe run make/dmake compiles ok "directory not found " message , "error code 255" idea why , if there different way check if directory found when writting makefile.pl worth mention if remove above code compliation finish success.


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