From: Daniel Black Date: 2011-12-14T02:49:48+09:00 Subject: Re: Ruby 1.9.3-p0 + Cygwin 1.7.9-1 + posix-spawn-0.3.6: Can't set RUBY_PLATFORM = cygwin The issue was that I didn't have rake-compiler installed. I have now built the posix-spawn gem, installed it, and installed jekyll (the original impetus). All seems well for the moment. Thank you again, Luis. -- Posted via http://www.ruby-forum.com/.