Clever Geek Handbook

Rbenv install - requires an executable host ruby

I am trying to install ruby ​​2.2.0-dev using rbenv on my Ubuntu 13.10 development laptop. I removed all previous ruby ​​and gem installations. Now when I try to install ruby ​​I get the following error.

mark@Inspiron-1564:~/.rbenv$ rbenv install 2.2.0-dev
Cloning https://github.com/ruby/ruby.git...
Installing ruby-2.2.0-dev...

BUILD FAILED

Inspect or clean up the working tree at /tmp/ruby-build.20140119161217.4141
Results logged to /tmp/ruby-build.20140119161217.4141.log

Last 10 log lines:
/tmp/ruby-build.20140119161217.4141 ~/.rbenv
Cloning into 'ruby-2.2.0-dev'...
Checking connectivity... done
/tmp/ruby-build.20140119161217.4141/ruby-2.2.0-dev /tmp/ruby-build.20140119161217.4141 ~/.rbenv
executable host ruby is required. use --with-baseruby option.; false -C ./tool get-config_files config.guess
executable host ruby is required. use --with-baseruby option.; false -C ./tool get-config_files config.sub
configure: error: cannot run /bin/bash tool/config.sub
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2 answers


You cannot use rbenv

without your own installation ruby

in the machine. You must have ubuntu ruby ​​( sudo apt-get install ruby

) installed for rbenv to have a base version to work. If you can run ruby -v

then you are all set.



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TL; DR

you need to install non-dev (i.e. 2.2.0

) (also using rbenv

) before you can have a version dev

.



According to rbenv 1.0.0

you, you don't need to have ruby

from a repository (eg using apt-get

) installed on your computer to install any version *-dev

. However, it is required to install the non-dev-dev version (via rbenv

) before installing any version *-dev

.

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