To successfully build ROOT a number of prerequisite packages must be installed. Check the prerequisites page for the list of packages needed for your platform. Add new comment Your name Subject Comment * More information about text formatsPlain textNo HTML tags allowed.Web page addresses and e-mail addresses turn into links automatically.Lines and paragraphs break automatically. CAPTCHAThis question is for testing whether or not you are a human visitor and to prevent automated spam submissions. Math question * 11 + 9 = Solve this simple math problem and enter the result. E.g. for 1+3, enter 4.