Paul (and porters) Compress::Zlib uses ENV{PERL_CORE} in its Makefile.PL but does not set it (from the command line). The Makefile.PL also sets a pre-requisite that fails under PERL_CORE. Patch attached. Robin ------------------------------------------------------------------- This e-mail and any attachments may contain confidential and/or privileged material; it is for the intended addressee(s) only. If you are not a named addressee, you must not use, retain or disclose such information. NPL Management Ltd cannot guarantee that the e-mail or any attachments are free from viruses. NPL Management Ltd. Registered in England and Wales. No: 2937881 Registered Office: Serco House, 16 Bartley Wood Business Park, Hook, Hampshire, United Kingdom RG27 9UY -------------------------------------------------------------------Thread Next