One-Click Ruby Installer で Hpricot を - どことなく技術屋の日々普通にgemでインストールするとずらずらとエラーが出る。 > gem install hpricot Building native extensions. This could take a while... ERROR: Error installing hpricot: ERROR: Failed to build gem native extension. C:/Ruby/bin/ruby.exe extconf.rb checking for stdio.h... *** extconf.rb failed *** Could not create Makefile due to some reason, probably lack of necessary libraries and/or headers. Check the mkmf.log file for more de
