Rbx configure, install install

.configure --show

Checking gcc: found
Checking g++: found
Checking bison: found

Using the following configuration to build
------------------------------------------
module Rubinius
  BUILD_CONFIG = {
    :command_line   => "--prefix=/Users/clint/.rbenv/versions/rbx-2.0.0-dev --with-lib-dir=/Users/clint/Developer/lib --gemsdir=/Users/clint/.rbenv/versions/rbx-2.0.0-dev/gems --default-version=19 --enable-version=19",
    :which_ruby     => :ruby,
    :build_ruby     => "/Users/clint/.rbenv/versions/1.9.3-p194/bin/ruby",
    :build_rake     => "rake",
    :build_perl     => "perl",
    :llvm           => :prebuilt,
    :llvm_configure => "perl /Users/clint/rubinius/vendor/llvm/Release/bin/llvm-config",
    :cc             => "gcc",
    :cxx            => "g++",
    :user_cflags    => "-I/Users/clint/Developer/include",
    :user_cppflags  => "-I/Users/clint/Developer/include",
    :user_ldflags   => "-L/Users/clint/Developer/lib",
    :include_dirs   => ["/usr/local/include"],
    :lib_dirs       => ["/Users/clint/Developer/lib", "/usr/local/lib"],
    :defines        => ["HAS_EXECINFO", "HAVE_SPT_REUSEARGV", "HAVE_NL_LANGINFO", "HAVE_TM_GMTOFF", "HAVE_TM_ZONE", "HAVE_TIMEZONE", "HAVE_TZNAME", "HAVE_DAYLIGHT", "HAVE_ALLOCA_H", "HAVE_STRING_H", "HAVE_SYS_TIME_H", "HAVE_SYS_TIMES_H", "HAVE_SYS_TYPES_H", "HAVE_UNISTD_H", "HAVE_STDARG_H"],
    :curses         => "curses",
    :host           => "x86_64-apple-darwin11.4.2",
    :cpu            => "x86_64",
    :vendor         => "apple",
    :os             => "darwin11.4.2",
    :little_endian  => true,
    :sizeof_long    => 8,
    :x86_32         => false,
    :x86_64         => true,
    :fibers         => true,
    :sourcedir      => "/Users/clint/rubinius",
    :stagingdir     => "/Users/clint/rubinius/staging",
    :prefixdir      => "/Users/clint/.rbenv/versions/rbx-2.0.0-dev",
    :bindir         => "/bin",
    :libdir         => "/lib",
    :runtimedir     => "/runtime",
    :kerneldir      => "/kernel",
    :sitedir        => "/site",
    :vendordir      => "/vendor",
    :include18dir   => "/vm/capi/18/include",
    :include19dir   => "/vm/capi/19/include",
    :include20dir   => "/vm/capi/19/include",
    :mandir         => "/man",
    :gemsdir        => "/gems",
    :program_name   => "rbx",
    :version        => "2.0.0dev",
    :libversion     => "2.0",
    :release_date   => "yyyy-mm-dd",
    :config_version => 159,
    :windows        => false,
    :darwin         => true,
    :bsd            => false,
    :linux          => false,
    :version_list   => ["19"],
    :default_version => "19",
    :vendor_zlib    => false,
    :readline       => :c_readline,
  }
end

Setting the following defines for the VM
----------------------------------------
#define RBX_HOST             "x86_64-apple-darwin11.4.2"
#define RBX_CPU              "x86_64"
#define RBX_VENDOR           "apple"
#define RBX_OS               "darwin11.4.2"
#define RBX_PREFIX_PATH      "/Users/clint/.rbenv/versions/rbx-2.0.0-dev"
#define RBX_BIN_PATH         "/bin"
#define RBX_GEMS_PATH        "/gems"
#define RBX_RUNTIME_PATH     "/runtime"
#define RBX_KERNEL_PATH      "/kernel"
#define RBX_LIB_PATH         "/lib"
#define RBX_HDR18_PATH       "/vm/capi/18/include"
#define RBX_HDR19_PATH       "/vm/capi/19/include"
#define RBX_HDR20_PATH       "/vm/capi/19/include"
#define RBX_SITE_PATH        "/site"
#define RBX_VENDOR_PATH      "/vendor"
#define RBX_VERSION          "2.0.0dev"
#define RBX_LIB_VERSION      "2.0"
#define RBX_LDSHARED         "gcc -bundle -undefined suppress -flat_namespace"
#define RBX_RELEASE_DATE     "yyyy-mm-dd"
#define RBX_SIZEOF_LONG      8
#define RBX_LLVM_API_VER     300
#define RBX_LIBC             "libc.dylib"
#define RBX_DEFAULT_18       false
#define RBX_DEFAULT_19       true
#define RBX_DEFAULT_20       false
#define RBX_ENABLED_19       1
#define RBX_LITTLE_ENDIAN    1
#define RBX_HAVE_TR1_HASH    1
#define RBX_DARWIN           1
#define RBX_FIBER_ENABLED    1

#define HAS_EXECINFO         1
#define HAVE_SPT_REUSEARGV   1
#define HAVE_NL_LANGINFO     1
#define HAVE_TM_GMTOFF       1
#define HAVE_TM_ZONE         1
#define HAVE_TIMEZONE        1
#define HAVE_TZNAME          1
#define HAVE_DAYLIGHT        1
#define HAVE_ALLOCA_H        1
#define HAVE_STRING_H        1
#define HAVE_SYS_TIME_H      1
#define HAVE_SYS_TIMES_H     1
#define HAVE_SYS_TYPES_H     1
#define HAVE_UNISTD_H        1
#define HAVE_STDARG_H        1

configure --show

~$ git clone git://github.com/rubinius/rubinius.git
~$ cd rubinius
~$ ./configure --prefix=/Users/clint/.rbenv/versions/rbx-2.0.0-dev --with-lib-dir=/Users/clint/Developer/lib --gemsdir=/Users/clint/.rbenv/versions/rbx-2.0.0-dev/gems --default-version=19 --enable-version=19

... a lot of stuff ...

~$ rake install
... a lot more stuff ...

~$ gem install bundler
Successfully installed bundler-1.1.5
1 gem installed
~$ rbenv rehash
~$ bundle
rbenv: bundle: command not found

The `bundle' command exists in these Ruby versions:
  1.9.3-p0
  1.9.3-p194
  jruby-1.6.7.2