$ gem install therubyracer -v '0.12.2' Building native extensions. This could take a while... ERROR: Error installing therubyracer: ERROR: Failed to build gem native extension. /Users/jeremyvenezia/.rvm/rubies/ruby-2.2.4/bin/ruby -r ./siteconf20151224-83817-7ylpoi.rb extconf.rb checking for main() in -lpthread... yes checking for main() in -lobjc... yes checking for v8.h... yes checking for main()
