make vm
/opt/local/lib/ruby/gems/1.8/gems/rake-0.8.1/lib/rake.rb:905: warning: Insecure world writable dir /Users/gra/ffmpegx_helpers in PATH, mode 040777
cd shotgun; make rubinius
cd lib; make library; 
CC archive.o
In file included from ../../shotgun/lib/state.h:175,
                 from ../../shotgun/lib/shotgun.h:19,
                 from archive.c:4:
../../shotgun/lib/machine.h:29: error: parse error before "_STRUCT_MCONTEXT"
../../shotgun/lib/machine.h:29: warning: no semicolon at end of struct or union
../../shotgun/lib/machine.h:35: error: parse error before '}' token
make[2]: *** [archive.o] Error 1
make[1]: *** [lib/librubinius-0.8.0.dylib] Error 2
make: *** [vm] Error 2
rake aborted!
Command failed with status (2): [make vm...]
/Users/gra/rbx/rakefile:98
(See full trace by running task with --trace)