https://git.ruby-lang.org/ruby.git/commit/?id=3842e723da

From 3842e723da61ca80ed7f8ec7fd74dd71b812c3cd Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@r...>
Date: Mon, 4 Oct 2021 17:56:37 +0900
Subject: Leave builddir absolute

So that rubygems installer will work to build extension gems.
---
 tool/fake.rb | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tool/fake.rb b/tool/fake.rb
index 42174052e2..47e3855116 100644
--- a/tool/fake.rb
+++ b/tool/fake.rb
@@ -24,6 +24,7 @@ posthook = proc do https://github.com/ruby/ruby/blob/trunk/tool/fake.rb#L24
   untrace_var(:$ruby, posthook)
 end
 prehook = proc do |extmk|
+=begin
   pat = %r[(?:\A(?:\w:|//[^/]+)|\G)/[^/]*]
   dir = builddir.scan(pat)
   pwd = Dir.pwd.scan(pat)
@@ -35,6 +36,7 @@ prehook = proc do |extmk| https://github.com/ruby/ruby/blob/trunk/tool/fake.rb#L36
     builddir = File.join((pwd.empty? ? ["."] : [".."]*pwd.size) + dir)
     builddir = "." if builddir.empty?
   end
+=end
   join = proc {|*args| File.join(*args).sub!(/\A(?:\.\/)*/, '')}
   $topdir ||= builddir
   $top_srcdir ||= (File.identical?(top_srcdir, dir = join[$topdir, srcdir]) ?
-- 
cgit v1.2.1


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