问安装调试器行缓存时出错:错误:无法生成gem本机扩展

EN

Installing debugger-linecache (1.1.1) with native extensions
Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension.

        /usr/local/ruby/bin/ruby extconf.rb
checking for vm_core.h... no
checking for vm_core.h... no
Makefile creation failed
************************************************************************** 
No source for ruby-1.9.2-p0 provided with debugger-ruby_core_source gem.
**************************************************************************
*** extconf.rb failed ***
Could not create Makefile due to some reason, probably lack of
necessary libraries and/or headers.  Check the mkmf.log file for more
details.  You may need configuration options.

Provided configuration options:
        --with-opt-dir
        --without-opt-dir
        --with-opt-include
        --without-opt-include=${opt-dir}/include
        --with-opt-lib
        --without-opt-lib=${opt-dir}/lib
        --with-make-prog
        --without-make-prog
        --srcdir=.
        --curdir
        --ruby=/usr/local/ruby/bin/ruby
        --with-ruby-dir
        --without-ruby-dir
        --with-ruby-include
        --without-ruby-include=${ruby-dir}/include
        --with-ruby-lib
        --without-ruby-lib=${ruby-dir}/lib


Gem files will remain installed in /usr/local/ruby/lib/ruby/gems/1.9.1/gems/debugger-linecache-1.1.1 for inspection.
Results logged to /usr/local/ruby/lib/ruby/gems/1.9.1/gems/debugger-linecache-1.1.1/ext/trace_nums/gem_make.out 

An error occured while installing debugger-linecache (1.1.1), and Bundler cannot continue.
Make sure that `gem install debugger-linecache -v '1.1.1'` succeeds before bundling.