For my own build of perl-5.40.0 on Cygwin, upgrading CPAN from 2.36 to 2.37 worked fine:
$ cpanp i CPAN
Installing CPAN (2.37)
Running [/cygdrive/c/cygperl-5.40.0-d/bin/perl -MCPANPLUS::Internals::
+Utils::Autoflush C:/Users/Owner/AppData/Roaming/.cpanplus/5.40.0/buil
+d/GoTwSCMIxI/CPAN-2.37/Makefile.PL]...
Checking if your kit is complete...
Looks good
Generating a Unix-style Makefile
Writing Makefile for CPAN
Writing MYMETA.yml and MYMETA.json
Running [/usr/bin/make test]...
PERL_DL_NONLAZY=1 "/cygdrive/c/cygperl-5.40.0-d/bin/perl.exe" "-MExtUt
+ils::Command::MM" "-MTest::Harness" "-e" "undef *Test::Harness::Switc
+hes; test_harness(0, 'blib/lib', 'blib/arch')" t/*.t
t/00signature.t ............... skipped: External program 'gpg' not fo
+und
t/01loadme.t .................. ok
t/02nox.t ..................... ok
t/03pkgs.t .................... ok
t/04clean_load.t .............. ok
t/10version.t ................. ok
t/11mirroredby.t .............. ok
t/12cpan.t .................... ok
t/13tarzip.t .................. ok
t/14forkbomb.t ................ skipped: test only run when called wit
+h --doit
t/30shell.t ................... skipped: no Expect, maybe try env CPAN
+_RUN_SHELL_TEST_WITHOUT_EXPECT=1
t/31sessions.t ................ skipped: Yaml module [YAML] not instal
+led
t/32pushyhttps.t .............. skipped: running MinimumVersion test o
+nly run when AUTHOR_TEST set
t/41distribution.t ............ skipped: No yaml module installed
t/42distroprefs.t ............. skipped: YAML required
t/43distroprefspref.t ......... ok
t/44cpanmeta.t ................ ok
t/50pod.t ..................... skipped: Test::Pod 1.00 required for t
+esting POD
t/51pod.t ..................... ok
t/52podcover.t ................ skipped: Test::Pod::Coverage 0.18 requ
+ired for testing pod coverage
t/60credentials.t ............. ok
t/70_critic.t ................. skipped: Test::Perl::Critic only run w
+hen AUTHOR_TEST set
t/71_minimumversion.t ......... skipped: running MinimumVersion test o
+nly run when AUTHOR_TEST set
t/97-compile.t ................ ok
t/97-cpanpm_output_hook.t ..... ok
t/97-expand_filenames.t ....... ok
t/97-install_hack.t ........... ok
t/97-mock.t ................... ok
t/97-process_options.t ........ ok
t/97-process_setup_options.t .. ok
t/97-return_values.t .......... ok
# will run '/cygdrive/c/cygperl-5.40.0-d/bin/perl -Mblib blib/script/c
+pan -y 2>&1'
# will run '/cygdrive/c/cygperl-5.40.0-d/bin/perl -Mblib blib/script/c
+pan -h 2>&1'
t/97-run.t .................... ok
All tests successful.
Files=32, Tests=476, 30 wallclock secs ( 0.00 usr 0.00 sys + 7.07 cu
+sr 9.36 csys = 16.43 CPU)
Result: PASS
*** Install log written to:
C:/Users/Owner/AppData/Roaming/.cpanplus/install-logs/CPAN-2.37-1727
+840241.log
Module 'CPAN' installed successfully
No errors installing all modules
The log begins with:
[MSG] [Wed Oct 2 13:36:37 2024] Trying to get 'http://www.cpan.org/au
+thors/id/A/AN/ANDK/CPAN-2.37.tar.gz'
[MSG] [Wed Oct 2 13:36:41 2024] Trying to get 'http://www.cpan.org/au
+thors/id/A/AN/ANDK/CHECKSUMS'
[MSG] [Wed Oct 2 13:36:42 2024] Checksum matches for 'CPAN-2.37.tar.g
+z'
[MSG] [Wed Oct 2 13:36:42 2024] Extracting 'CPAN-2.37.tar.gz'
followed by a list of all of the files that were extracted by the tarball - and then proceeds to display essentially the same as was sent to the bash terminal (but, additionally, with a listing of all files that were actually installed.)
No sign of any gpg stuff going on.
Maybe I need to use the system perl to encounter the "gpg" issue.
My cygwin installation is a few years old (perl-5.32.1, gcc-11.3.0) and the "cpan" utility won't even work properly with it.
That suits me fine, as I really don't want to mess with that perl installation.
However, I did a manual build of CPAN-2.37 using that perl and all went well - even the "make install" step. (I figured I could probably get with the "make install" without doing any damage.)
FWIW, the Configure args that I use to build perl on Cygwin are:
$ perl -V:config_args
config_args='-des -Dusethreads -Dusemultiplicity -Dprefix=/cygdrive/c/
+cygperl-5.40.0-d -Dlibpth=/lib/gcc/x86_64-pc-cygwin/11';
which is significantly different to the Configure args used to build Cygwin's system perl.
Someone who cares about this issue might like to provide a bug report to Cygwin ... if that's where the bug is.
I personally think that anyone who wants to install modules into a system perl by running cpan/cpanp/cpanm bears the responsibility of "picking up the pieces".
Cheers,
Rob
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