3
当我尝试运行下面的代码，错误编译红宝石FFI-内衬的正方体-OCR宝石
require 'rubygems'
require 'bundler/setup'
Bundler.require(:default)
我得到以下
$ bundle exec ruby test.rb
/home/cameron/.rvm/gems/ruby-1.9.3-p194/gems/ffi-inline-0.0.3/lib/ffi/inliner/compilers/gcc.rb:19:in `compile': compile error: see logs at /tmp/.ffi-inliner-1000/69ee9294901b6113c67c891236ec7fc55128281d.log (CompilationError)
from /home/cameron/.rvm/gems/ruby-1.9.3-p194/gems/ffi-inline-0.0.3/lib/ffi/inliner/builders/c.rb:101:in `shared_object'
from /home/cameron/.rvm/gems/ruby-1.9.3-p194/gems/ffi-inline-0.0.3/lib/ffi/inliner/builders.rb:80:in `block in build'
from /home/cameron/.rvm/gems/ruby-1.9.3-p194/gems/ffi-inline-0.0.3/lib/ffi/inliner/builders.rb:77:in `instance_eval'
from /home/cameron/.rvm/gems/ruby-1.9.3-p194/gems/ffi-inline-0.0.3/lib/ffi/inliner/builders.rb:77:in `build'
from /home/cameron/.rvm/gems/ruby-1.9.3-p194/gems/ffi-inline-0.0.3/lib/ffi/inliner/inliner.rb:44:in `singleton_inline'
from /home/cameron/.rvm/gems/ruby-1.9.3-p194/gems/ffi-inline-0.0.3/lib/ffi/inliner/inliner.rb:29:in `inline'
from /home/cameron/.rvm/gems/ruby-1.9.3-p194/gems/tesseract-ocr-0.1.3/lib/tesseract/c/baseapi.rb:30:in `<module:BaseAPI>'
from /home/cameron/.rvm/gems/ruby-1.9.3-p194/gems/tesseract-ocr-0.1.3/lib/tesseract/c/baseapi.rb:27:in `<module:C>'
from /home/cameron/.rvm/gems/ruby-1.9.3-p194/gems/tesseract-ocr-0.1.3/lib/tesseract/c/baseapi.rb:25:in `<module:Tesseract>'
from /home/cameron/.rvm/gems/ruby-1.9.3-p194/gems/tesseract-ocr-0.1.3/lib/tesseract/c/baseapi.rb:25:in `<top (required)>'
from /home/cameron/.rvm/gems/ruby-1.9.3-p194/gems/tesseract-ocr-0.1.3/lib/tesseract/c.rb:83:in `require'
from /home/cameron/.rvm/gems/ruby-1.9.3-p194/gems/tesseract-ocr-0.1.3/lib/tesseract/c.rb:83:in `<top (required)>'
from /home/cameron/.rvm/gems/ruby-1.9.3-p194/gems/tesseract-ocr-0.1.3/lib/tesseract/api.rb:26:in `require'
from /home/cameron/.rvm/gems/ruby-1.9.3-p194/gems/tesseract-ocr-0.1.3/lib/tesseract/api.rb:26:in `<top (required)>'
from /home/cameron/.rvm/gems/ruby-1.9.3-p194/gems/tesseract-ocr-0.1.3/lib/tesseract-ocr.rb:35:in `require'
from /home/cameron/.rvm/gems/ruby-1.9.3-p194/gems/tesseract-ocr-0.1.3/lib/tesseract-ocr.rb:35:in `<top (required)>'
from /home/cameron/.rvm/gems/ruby-1.9.3-p194/gems/bundler-1.1.3/lib/bundler/runtime.rb:68:in `require'
from /home/cameron/.rvm/gems/ruby-1.9.3-p194/gems/bundler-1.1.3/lib/bundler/runtime.rb:68:in `block (2 levels) in require'
from /home/cameron/.rvm/gems/ruby-1.9.3-p194/gems/bundler-1.1.3/lib/bundler/runtime.rb:66:in `each'
from /home/cameron/.rvm/gems/ruby-1.9.3-p194/gems/bundler-1.1.3/lib/bundler/runtime.rb:66:in `block in require'
from /home/cameron/.rvm/gems/ruby-1.9.3-p194/gems/bundler-1.1.3/lib/bundler/runtime.rb:55:in `each'
from /home/cameron/.rvm/gems/ruby-1.9.3-p194/gems/bundler-1.1.3/lib/bundler/runtime.rb:55:in `require'
from /home/cameron/.rvm/gems/ruby-1.9.3-p194/gems/bundler-1.1.3/lib/bundler.rb:119:in `require'
from test.rb:4:in `<main>'
错误中提到的日志文件包含以下：
$ cat /tmp/.ffi-inliner-1000/69ee9294901b6113c67c891236ec7fc55128281d.log
/home/cameron/.rvm/gems/ruby-1.9.3-p194/gems/ffi-inline-0.0.3/lib/ffi/inliner/builders/cpp.rb: In function ‘void read_config_file(tesseract::TessBaseAPI*, const char*, bool)’:
/home/cameron/.rvm/gems/ruby-1.9.3-p194/gems/ffi-inline-0.0.3/lib/ffi/inliner/builders/cpp.rb:26:44: error: no matching function for call to ‘tesseract::TessBaseAPI::ReadConfigFile(const char*&, bool&)’
/home/cameron/.rvm/gems/ruby-1.9.3-p194/gems/ffi-inline-0.0.3/lib/ffi/inliner/builders/cpp.rb:26:44: note: candidate is:
/usr/include/tesseract/baseapi.h:242:8: note: void tesseract::TessBaseAPI::ReadConfigFile(const char*)
/usr/include/tesseract/baseapi.h:242:8: note: candidate expects 1 argument, 2 provided
我Gemfile.lock的包含以下内容：
GEM
remote: https://rubygems.org/
specs:
call-me (0.0.2.2)
refining
ffi (1.0.11)
ffi-extra (0.0.5)
ffi
ffi-inline (0.0.3)
ffi (>= 0.4.0)
iso-639 (0.0.3)
refining (0.0.5.5)
tesseract-ocr (0.1.3)
call-me
ffi-extra
ffi-inline
iso-639
PLATFORMS
ruby
DEPENDENCIES
tesseract-ocr
（至少，被Ubuntu提供）的正方体版本3.02.01-2
我如何得到这个编译？