From: "luislavena (Luis Lavena)" <luislavena@...>
Date: 2012-07-28T23:52:43+09:00
Subject: [ruby-core:46833] [ruby-trunk - Bug #6807] Can't compile ruby without ruby


Issue #6807 has been updated by luislavena (Luis Lavena).


AFAIK, if you build from trunk (a direct checkout) you need Ruby.

Release packages do not need a base Ruby since the specific files that depend on installed Ruby has already been generated and packaged in the file.

Perhaps you can try the nightly snapshots which I believe meet this scenario.

From download page:

http://www.ruby-lang.org/en/downloads/

Downloaded http://ftp.ruby-lang.org/pub/ruby/snapshot.tar.gz

That should work without an installed Ruby.

----------------------------------------
Bug #6807: Can't compile ruby without ruby
https://bugs.ruby-lang.org/issues/6807#change-28509

Author: devcurmudgeon (Paul Sherwood)
Status: Open
Priority: Low
Assignee: 
Category: 
Target version: 
ruby -v: current trunk


=begin
 What happened:
  I tried to compile  on a new Linux systems (Ubuntu 12.04 and a current custom Linux build)
  I get the error: 
 executable host ruby is required. use --with-baseruby option.
 make: *** [miniprelude.c] Error 1
 
 What I expected:
  I expect that ruby should compile.

This is a repeat of bug 3008, which was closed a couple of years ago. I tried checking out at the exact commit that fixed 3008 and got the same result, so I'm thinking either something has changed outside of ruby since the fix, or possibly the fix never worked for Linux (the comment in the commit says ...for HP UX")?
 
 There are no docs for how to get around this.  How can I get ruby on a system if I can't compile ruby?
=end



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