rascut + Ruby 1.9.2 - ikeas's bloggemでrascutをインストールしようとして以下のエラーが出る場合、 % gem install rascut Building native extensions. This could take a while... ... make gcc -I. -I/Users/saeki/.rvm/rubies/ruby-1.9.2-p136/include/ruby-1.9.1/x86_64-darwin10.6.0 -I/Users/saeki/.rvm/rubies/ruby-1.9.2-p136/include/ruby-1.9.1/ruby/backward -I/Users/saeki/.rvm/rubies/ruby-1.9.2-p136/include/ruby-1.9.1 -I. -D_XOPEN_SOURCE -D_DARWIN_C_SOURCE -fno-common
