https://git.ruby-lang.org/ruby.git/commit/?id=8a6ba10f9d

From 8a6ba10f9dd456cf54de800203cf04bbe42271fb Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@r...>
Date: Mon, 16 Mar 2020 17:26:10 +0900
Subject: Do not make disabled directories at installation  [Bug #12392]


diff --git a/tool/rbinstall.rb b/tool/rbinstall.rb
index ce7a8ea..b8526c1 100755
--- a/tool/rbinstall.rb
+++ b/tool/rbinstall.rb
@@ -335,10 +335,14 @@ rubyhdrdir = CONFIG["rubyhdrdir", true] https://github.com/ruby/ruby/blob/trunk/tool/rbinstall.rb#L335
 archhdrdir = CONFIG["rubyarchhdrdir"] || (rubyhdrdir + "/" + CONFIG['arch'])
 rubylibdir = CONFIG["rubylibdir", true]
 archlibdir = CONFIG["rubyarchdir", true]
-sitelibdir = CONFIG["sitelibdir"]
-sitearchlibdir = CONFIG["sitearchdir"]
-vendorlibdir = CONFIG["vendorlibdir"]
-vendorarchlibdir = CONFIG["vendorarchdir"]
+if CONFIG["sitedir"]
+  sitelibdir = CONFIG["sitelibdir"]
+  sitearchlibdir = CONFIG["sitearchdir"]
+end
+if CONFIG["vendordir"]
+  vendorlibdir = CONFIG["vendorlibdir"]
+  vendorarchlibdir = CONFIG["vendorarchdir"]
+end
 mandir = CONFIG["mandir", true]
 docdir = CONFIG["docdir", true]
 enable_shared = CONFIG["ENABLE_SHARED"] == 'yes'
-- 
cgit v0.10.2


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