It should be clearer if I provide some context. The lines in bold below are directly or possibly relevant to the reported behavior. HTH.

$ perl -MCPAN -e shell
cpan1> install XML::RSS
CPAN: Term::ANSIColor loaded ok (v5.01)
CPAN: HTTP::Tiny loaded ok (v0.090)
CPAN: Net::SSLeay loaded ok (v1.94)
CPAN: IO::Socket::SSL loaded ok (v2.095)
Fetching with HTTP::Tiny:
https://cpan.org/authors/01mailrc.txt.gz
CPAN: CPAN::SQLite loaded ok (v0.220)
Fetching with HTTP::Tiny:
https://cpan.org/modules/02packages.details.txt.gz
Fetching with HTTP::Tiny:
https://cpan.org/modules/03modlist.data.gz
CPAN: YAML::XS loaded ok (vv0.902.0)
Reading 109 yaml files from /cygdrive/C/Users/somia/cygwin-perl-cpan/build/
............................................................................DONE
Restored the state of 19 (in 1.4501 secs)
Database was generated on Sun, 16 Nov 2025 19:26:16 GMT
Updating database file ... Done!
Running install for module 'XML::RSS'
CPAN: CPAN::Kwalify loaded ok (v5.50)
Prepending blib/arch and blib/lib of 19 build dirs to PERL5LIB, reaching size 2952; for 'get'
Fetching with HTTP::Tiny:
https://cpan.org/authors/id/S/SH/SHLOMIF/XML-RSS-1.65.tar.gz
CPAN: Digest::SHA loaded ok (v6.04)
CPAN: Compress::Zlib loaded ok (v2.213)
Checksum for C:/Users/somia/AppData/strawberry-perl-sourcecache/authors/id/S/SH/SHLOMIF/XML-RSS-1.65.tar.gz ok
CPAN: Archive::Tar loaded ok (v3.04)
XML-RSS-1.65
XML-RSS-1.65/TODO
XML-RSS-1.65/README
XML-RSS-1.65/Changes

...

Result: PASS
(C:/ix/cygwin/bin/make test exited with 0)
CPAN::Reporter: Test result is 'pass', All tests successful.
CPAN::Reporter: preparing a CPAN Testers report for XML-RSS-1.65
Do you want to send the report? (yes/no) yes
CPAN::Reporter: sending test report with 'pass' via Metabase
  SHLOMIF/XML-RSS-1.65.tar.gz
  C:/ix/cygwin/bin/make test -- OK
Running make install for SHLOMIF/XML-RSS-1.65.tar.gz
Prepending blib/arch and blib/lib of 20 build dirs to PERL5LIB, reaching size 3095; for 'install'

...

    — Soren


Nov 18, 2025 at 23:07 UTC

In reply to Re^5: What is cpan (the installer) doing prepending all these directories to the PERL5LIB path? by Intrepid
in thread What is cpan (the installer) doing prepending all these directories to the PERL5LIB path? by Intrepid

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