$ perl Makefile.PL Found these python executables on your PATH: 1. /usr/bin/python Use which? [1] /usr/bin/python3 Using /usr/bin/python3 Using These Settings: Extra Libs: -lintl -ldl Python Lib: -L/usr/lib/python3.6/config-3.6m-x86_64-cygwin -lpython3.6m.dll Includes: -I/usr/include/python3.6m Extra Flags: none (perl Makefile.PL --help for details) Checking if your kit is complete... Looks good Generating a Unix-style Makefile Writing Makefile for Inline::Python Writing MYMETA.yml and MYMETA.json