我运行了以下命令来安装 gems
bundle install --without production
它开始安装，直到它到达 ruby-debug-base19 。当它尝试安装它应该出现以下错误
Installing ruby-debug-base19 (0.11.25)
Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension.
/usr/bin/ruby.exe extconf.rb
checking for rb_method_entry_t.body in method.h... no
checking for vm_core.h... no
/usr/lib/ruby/gems/1.9.1/gems/ruby_core_source-0.1.5/lib/ruby_core_source.rb:39: Use RbConfig instead of obsolete and deprecated Config.
checking for rb_method_entry_t.body in method.h... no
checking for vm_core.h... yes
checking for iseq.h... yes
checking for insns.inc... yes
checking for insns_info.inc... yes
checking for eval_intern.h... yes
creating Makefile
make
gcc -I. -I/usr/include/ruby-1.9.1/i386-cygwin -I/usr/include/ruby-1.9.1/ruby/backward -I/usr/include/ruby-1.9.1 -I. -DHAVE_VM_CORE_H -DHAVE_ISEQ_H -DHAVE_INSNS_INC -DHAVE_INSNS_INFO_INC -DHAVE_EVAL_INTERN_H -I/usr/include/ruby-1.9.1/ruby-1.9.3-p429 -ggdb -O2 -pipe -fno-strict-aliasing -o breakpoint.o -c breakpoint.c
gcc -I. -I/usr/include/ruby-1.9.1/i386-cygwin -I/usr/include/ruby-1.9.1/ruby/backward -I/usr/include/ruby-1.9.1 -I. -DHAVE_VM_CORE_H -DHAVE_ISEQ_H -DHAVE_INSNS_INC -DHAVE_INSNS_INFO_INC -DHAVE_EVAL_INTERN_H -I/usr/include/ruby-1.9.1/ruby-1.9.3-p429 -ggdb -O2 -pipe -fno-strict-aliasing -o ruby_debug.o -c ruby_debug.c
ruby_debug.c:29:19: error: conflicting types for ‘rb_iseq_compile_with_option’
In file included from ruby_debug.c:4:0:
/usr/include/ruby-1.9.1/ruby-1.9.3-p429/vm_core.h:506:7: note: previous declaration of ‘rb_iseq_compile_with_option’ was here
Makefile:206: recipe for target `ruby_debug.o' failed
make: *** [ruby_debug.o] Error 1
Gem files will remain installed in /usr/lib/ruby/gems/1.9.1/gems/ruby-debug-base19-0.11.25 for inspection.
Results logged to /usr/lib/ruby/gems/1.9.1/gems/ruby-debug-base19-0.11.25/ext/ruby_debug/gem_make.out
An error occurred while installing ruby-debug-base19 (0.11.25), and Bundler cannot continue.
Make sure that `gem install ruby-debug-base19 -v '0.11.25'` succeeds before bundling.
此错误的原因是什么以及如何解决？