我得到這個錯誤在Mac的64位,並已xcode的inatalled機器上。錯誤:錯誤安裝FFI:錯誤:未能建立寶石原生擴展
Building native extensions. This could take a while...
ERROR: Error installing ffi:
ERROR: Failed to build gem native extension.
/Users/jreddy/.rvm/rubies/ruby-1.8.7-p302/bin/ruby extconf.rb
checking for ffi.h in /usr/local/include... no
checking for rb_thread_blocking_region()... no
checking for ruby_thread_has_gvl_p()... no
checking for ruby_native_thread_p()... no
checking for rb_thread_call_with_gvl()... no
creating extconf.h
creating Makefile
make
sh: make: command not found
重新安裝一次的xcode工具!有效 。 – reddyonrails 2011-04-11 22:51:37