ben@slim:~/code/ruby/rubinius (ruby-1.8.7-p302) [master]$ rvm use system
Now using system ruby.
ben@slim:~/code/ruby/rubinius () [master]$ which ruby
/opt/local/bin/ruby
ben@slim:~/code/ruby/rubinius () [master]$ ./configure
Configuring LLVM...
  Checking for existing LLVM tree: found!

Checking sizeof(long): 8 bytes
Checking platform endianness: little endian
Checking tr1/hash definition: found
Checking for function 'backtrace': found!

Configured. Run 'rake' to build and run VM tests and rubyspecs
ben@slim:~/code/ruby/rubinius () [master]$ rake
(in /Users/ben/code/ruby/rubinius)
LLVM inclusion enabled.
/opt/local/bin/ruby vm/codegen/field_extract.rb vm/builtin/object.hpp vm/builtin/integer.hpp vm/builtin/fixnum.hpp vm/builtin/array.hpp vm/builtin/bignum.hpp vm/builtin/executable.hpp vm/builtin/access_variable.hpp vm/builtin/alias.hpp vm/builtin/block_environment.hpp vm/builtin/block_as_method.hpp vm/builtin/bytearray.hpp vm/builtin/io.hpp vm/builtin/channel.hpp vm/builtin/module.hpp vm/builtin/class.hpp vm/builtin/compiledmethod.hpp vm/builtin/data.hpp vm/builtin/dir.hpp vm/builtin/exception.hpp vm/builtin/float.hpp vm/builtin/immediates.hpp vm/builtin/iseq.hpp vm/builtin/list.hpp vm/builtin/lookuptable.hpp vm/builtin/ffi_pointer.hpp vm/builtin/methodtable.hpp vm/builtin/nativefunction.hpp vm/builtin/packed_object.hpp vm/builtin/randomizer.hpp vm/builtin/regexp.hpp vm/builtin/staticscope.hpp vm/builtin/string.hpp vm/builtin/symbol.hpp vm/builtin/thread.hpp vm/builtin/tuple.hpp vm/builtin/compactlookuptable.hpp vm/builtin/time.hpp vm/builtin/taskprobe.hpp vm/builtin/nativemethod.hpp vm/builtin/system.hpp vm/builtin/autoload.hpp vm/builtin/proc.hpp vm/builtin/variable_scope.hpp vm/builtin/location.hpp vm/builtin/capi_handle.hpp vm/builtin/global_cache_entry.hpp vm/builtin/weakref.hpp vm/builtin/fiber.hpp vm/builtin/thunk.hpp vm/builtin/call_unit.hpp vm/builtin/call_unit_adapter.hpp
CC vm/agent.cpp
gcc -Ivm/external_libs/llvm/include -I/Users/ben/code/ruby/rubinius/vm/external_libs/llvm/Release/include -D_DEBUG -D_GNU_SOURCE -D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS -fno-common -Ivm/external_libs/libtommath -Ivm/external_libs/libgdtoa -Ivm/external_libs/onig -Ivm/external_libs/libffi/include -Ivm/test/cxxtest -Ivm -I. -I/usr/local/include -I/opt/local/include -Ivm/external_libs/udis86 -pipe -Wall -Wno-deprecated -mdynamic-no-pic -DENABLE_LLVM -DHAS_EXECINFO -ggdb3 -O2 -Werror -DRBX_PROFILER -c -o vm/agent.o vm/agent.cpp 2>&1
CC vm/instructions.cpp

[snip]

/opt/local/bin/ruby -S rake  -r /Users/ben/code/ruby/rubinius/rakelib/ext_helper.rb -r /Users/ben/code/ruby/rubinius/rakelib/dependency_grapher.rb build:mri
(in /Users/ben/code/ruby/rubinius/lib/ext/melbourne)
Building Melbourne for MRI
CXX bstrlib.c
bstrlib.c:2710: error: expected declaration specifiers or ‘...’ before numeric constant
bstrlib.c:2710: error: expected declaration specifiers or ‘...’ before ‘__builtin_object_size’
bstrlib.c:2710: warning: conflicting types for built-in function ‘__builtin___vsnprintf_chk’
bstrlib.c: In function ‘bformata’:
bstrlib.c:2759: warning: passing argument 4 of ‘__builtin___vsnprintf_chk’ makes pointer from integer without a cast
bstrlib.c:2759: error: too many arguments to function ‘__builtin___vsnprintf_chk’
bstrlib.c: In function ‘bassignformat’:
bstrlib.c:2807: warning: passing argument 4 of ‘__builtin___vsnprintf_chk’ makes pointer from integer without a cast
bstrlib.c:2807: error: too many arguments to function ‘__builtin___vsnprintf_chk’
bstrlib.c: In function ‘bformat’:
bstrlib.c:2854: warning: passing argument 4 of ‘__builtin___vsnprintf_chk’ makes pointer from integer without a cast
bstrlib.c:2854: error: too many arguments to function ‘__builtin___vsnprintf_chk’
bstrlib.c: In function ‘bvcformata’:
bstrlib.c:2902: warning: passing argument 4 of ‘__builtin___vsnprintf_chk’ makes pointer from integer without a cast
bstrlib.c:2902: error: too many arguments to function ‘__builtin___vsnprintf_chk’
rake aborted!
Command failed with status (1): [gcc -c -o ruby/bstrlib.o  -I.  -O2 -arch x86_64  -fno-common -pipe -fno-common   -I/opt/local/lib/ruby/1.8/i686-darwin10 bstrlib.c > /dev/null]
/Users/ben/code/ruby/rubinius/lib/ext/melbourne/Rakefile:11
(See full trace by running task with --trace)
rake aborted!
Command failed with status (1): [/opt/local/bin/ruby -S rake  -r /Users/ben...]

(See full trace by running task with --trace)