Thanks for the help. I had already reviewed the list of issues and couldn't find anything relevant. I have now tried updating Extutils::Makemaker and I still get the infinite loop, with slightly different output. Any further suggestions will be warmly received

$ sudo perl Makefile.PL verbose
Password:
Checking if your kit is complete...
Looks good
  ABSTRACT => q[Interface to IBM's MQSeries Product]
  AUTHOR => [q[MQ Engineering Group <mqseries@cpan.org>]]
  BUILD_REQUIRES => {  }
  CONFIGURE_REQUIRES => {  }
  NAME => q[MQSeries]
  PREREQ_PM => { Params::Validate=>q[1.00], Test::Simple=>q[0.62], Con
+vert::EBCDIC=>q[0.06], Test::Pod=>q[1.20] }
  TEST_REQUIRES => {  }
  VERSION_FROM => q[MQSeries.pm]
Using PERL=/usr/bin/perl
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