$ cpanm -i PDL::Graphics::PLplot
--> Working on PDL::Graphics::PLplot
Fetching http://www.cpan.org/authors/id/D/DH/DHUNT/PDL-Graphics-PLplot-0.74.tar.gz ... OK
Configuring PDL-Graphics-PLplot-0.74 ... OK
Building and testing PDL-Graphics-PLplot-0.74 ... OK
Successfully installed PDL-Graphics-PLplot-0.74
1 distribution installed
$

##</code><code>##

$ perl -MPDL::Graphics::PLplot -le 'print "ok";'
Can't locate PDL/Graphics/PLplot.pm in @INC (you may need to install the PDL::Graphics::PLplot module) (@INC contains: /home/sisyphus/perl-5.32.0-d/lib/site_perl/5.32.0/x86_64-linux /home/sisyphus/perl-5.32.0-d/lib/site_perl/5.32.0 /home/sisyphus/perl-5.32.0-d/lib/5.32.0/x86_64-linux /home/sisyphus/perl-5.32.0-d/lib/5.32.0).
BEGIN failed--compilation aborted.

##</code><code>##

$ cpan -i PDL::Graphics::PLplot
Loading internal logger. Log::Log4perl recommended for better logging
Reading '/home/sisyphus/.cpan/Metadata'
  Database was generated on Thu, 20 Aug 2020 00:17:03 GMT
Running install for module 'PDL::Graphics::PLplot'
Checksum for /home/sisyphus/.cpan/sources/authors/id/D/DH/DHUNT/PDL-Graphics-PLplot-0.74.tar.gz ok
'YAML' not installed, will not store persistent state
Configuring D/DH/DHUNT/PDL-Graphics-PLplot-0.74.tar.gz with Makefile.PL
PDL is installed

Checking PDL::Graphics::PLplot...
Searching for libplplot.so library.
Searching for libplplotd.so library.
Cannot find plplot library (libplplotd.so), skipping PDL::Graphics::PLplot

      Not building PDL::Graphics::PLplot


Cannot find plplot library (libplplotd.so), skipping PDL::Graphics::PLplot      Not building PDL::Graphics::PLplot
Checking if your kit is complete...
Looks good
  DHUNT/PDL-Graphics-PLplot-0.74.tar.gz
  /home/sisyphus/perl-5.32.0-d/bin/perl Makefile.PL -- OK
Running make for D/DH/DHUNT/PDL-Graphics-PLplot-0.74.tar.gz
Could not read metadata file. Falling back to other methods to determine prerequisites
make: Nothing to be done for 'all'.
  DHUNT/PDL-Graphics-PLplot-0.74.tar.gz
  /usr/bin/make -- OK
The current configuration of allow_installing_outdated_dists is 'ask/yes', but for this option we would need 'CPAN::DistnameInfo' installed. Please install 'CPAN::DistnameInfo' as soon as possible. As long as we are not equipped with 'CPAN::DistnameInfo' this option does not take effect
Running make test for DHUNT/PDL-Graphics-PLplot-0.74.tar.gz
make: Nothing to be done for 'test'.
  DHUNT/PDL-Graphics-PLplot-0.74.tar.gz
  /usr/bin/make test -- OK
Running make install for DHUNT/PDL-Graphics-PLplot-0.74.tar.gz
make: Nothing to be done for 'install'.
  DHUNT/PDL-Graphics-PLplot-0.74.tar.gz
  /usr/bin/make install  -- OK