本人机器环境 ubuntu14.04LTS,rvm1.2.6，安装 ruby2.2.1 过程中返回如下错误信息：

Error running '__rvm_make -j2',
showing last 15 lines of /home/frank/.rvm/log/1448881286_ruby-2.2.1/make.log
linking transcoder emoji_sjis_kddi.so
linking transcoder emoji_sjis_softbank.so
linking transcoder escape.so
linking transcoder gb18030.so
linking transcoder gbk.so
linking transcoder iso2022.so
linking transcoder japanese.so
linking transcoder japanese_euc.so
linking transcoder japanese_sjis.so
linking transcoder korean.so
linking transcoder single_byte.so
linking transcoder utf8_mac.so
linking transcoder utf_16_32.so
make[1]:正在离开目录 `/home/frank/.rvm/src/ruby-2.2.1'
++ return 2
There has been an error while running make. Halting the installation.

make.log 文件中错误信息如下：

/tmp/ccfwHw9f.s: Assembler messages:
/tmp/ccfwHw9f.s:14566: Error: unknown pseudo-op: `.st2ing'
make[1]: *** [enc/euc_tw.o] 错误 1
make[1]:正在离开目录 `/home/frank/.rvm/src/ruby-2.2.1'
make: *** [enc] 错误 2
make: *** 正在等待未完成的任务....
make[1]:正在离开目录 `/home/frank/.rvm/src/ruby-2.2.1'
++ return 2

网上查了一下相关信息，重试后问题还是出现，求大神帮助