“Temporarily enhancing PATH to include DevKit...” message show in the screen for a long time!

C:\Documents and Settings\Administrator>gem install passenger

Tempora开发者_Python百科rily enhancing PATH to include DevKit...

Building native extensions.  This could take a while...

After I had installed the DevKit ( http://github.com/oneclick/rubyinstaller/wiki/Development-Kit), I must wait for a long time when I install passenger , (now...It has past 20 minutes) ,why?

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Phusion Passenger doesn't support Windows.