diff -up ./Makefile.PL.tv ./Makefile.PL
--- ./Makefile.PL.tv	2021-09-02 21:33:15.402005491 +0200
+++ ./Makefile.PL	2021-09-02 21:33:54.841872388 +0200
@@ -128,6 +128,10 @@ my @cpan_deps = my @prereq = (
   'Filter::Util::Call'  => 0,         # for PDL::NiceSlice
   'Filter::Simple'      => 0.88,      # for new PDL::NiceSlice
   'List::Util'          => '1.33',
+  'Inline'              => 0.83,      # Needed for Trid
+  'Inline::C'           => 0.62,      # Needed for Trid
+  'OpenGL'		=> '0.70',    # see also Graphics/Makefile.PL
+  'OpenGL::GLUT'	=> '0.70',    # see also Graphics/Makefile.PL
   'Pod::Select'         => 0,         # version TBD for PDL::Doc
   'Scalar::Util'        => 0,
   'Storable'            => 1.03,      # for PDL::IO::Storable