C:Ruby23>gem install puma -- --with-opt-dir=c:Ruby23openssl
ERROR:  Loading command: install (LoadError)
        127: The specified procedure could not be found.   - C:/Ruby23/lib/ruby/2.3.0/i386-mingw32/openssl.so
ERROR:  While executing gem ... (NoMethodError)
    undefined method `invoke_with_build_args' for nil:NilClass