cpanm --verbose IO::Tty cpanm (App::cpanminus) 1.7044 on perl 5.028000 built for MSWin32-x64-multi-thread Work directory is C:\BERRYB~1\528~1.0_6\data/.cpanm/work/1556599810.22408 You have make C:\berrybrew\5.28.0_64_PDL\c\bin\gmake.exe You have LWP 6.34 Falling back to Archive::Tar 2.30 Searching IO::Tty () on cpanmetadb ... --> Working on IO::Tty Fetching http://www.cpan.org/authors/id/T/TO/TODDR/IO-Tty-1.12.tar.gz ... OK Unpacking IO-Tty-1.12.tar.gz Entering IO-Tty-1.12 Checking configure dependencies from META.json Checking if you have ExtUtils::MakeMaker 6.58 ... Yes (7.34) Running Makefile.PL Configuring IO-Tty-1.12 ... This module requires a POSIX compliant system to work. Try cygwin if you need this module on windows OS unsupported at Makefile.PL line 6. N/A ! Configure failed for IO-Tty-1.12. See C:\BERRYB~1\528~1.0_6\data\.cpanm\work\1556599810.22408\build.log for details.