hadoop@lypc:~$ rvm list

rvm rubies

=* ruby-1.9.3-p547 [ x86_64 ]
    ruby-2.0.0-p481 [ x86_64 ]

# => - current
# =* - current && default
#  * - default

hadoop@lypc:~$ gem install debase
Building native extensions.  This could take a while...
ERROR:  Error installing debase:
    ERROR: Failed to build gem native extension.

    /home/hadoop/.rvm/rubies/ruby-1.9.3-p547/bin/ruby extconf.rb
checking for vm_core.h... no
checking for vm_core.h... no
checking for vm_core.h... yes
creating Makefile

make  clean

make
compiling breakpoint.c
In file included from breakpoint.c:1:0:
./debase_internals.h:5:24: 致命错误： ruby/debug.h：没有那个文件或目录
编译中断。
make: *** [breakpoint.o] 错误 1

make failed, exit code 2

Gem files will remain installed in /home/hadoop/.rvm/gems/ruby-1.9.3-p547/gems/debase-0.0.9 for inspection.
Results logged to /home/hadoop/.rvm/gems/ruby-1.9.3-p547/extensions/x86_64-linux/1.9.1/debase-0.0.9/gem_make.out

我现在用的 ruby 是：1.9.3，安装报错 如果把环境切换到 2.0.0，就没有问题， 请问，如何解决这个问题？