Ubuntu 14.04.5 LTS Ruby1.9.0のインストール失敗。 BUILD FAILED (Ubuntu 14.04 using ruby-build 20171226) Inspect or clean up the working tree at /tmp/ruby-build.20180113163504.1885 Results logged to /tmp/ruby-build.20180113163504.1885.log Last 10 log lines: ^ In file included from /usr/include/openss…