From b528172ebaa284f26fca5f3bc8ea3044d0263d21 Mon Sep 17 00:00:00 2001
From: usa <usa@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 20 Apr 2015 07:52:10 +0000
Subject: * lib/mkmf.rb (MakeMakefile#configuration): DESTDIR should never
 affect   top_srcdir and builddir.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@50355 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 lib/mkmf.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'lib')

diff --git a/lib/mkmf.rb b/lib/mkmf.rb
index 044d72777a..0f588a56ee 100644
--- a/lib/mkmf.rb
+++ b/lib/mkmf.rb
@@ -1915,7 +1915,7 @@ VPATH = #{vpath.join(CONFIG['PATH_SEPARATOR'])}
       next if /^abs_/ =~ key
       next if /^(?:src|top|hdr)dir$/ =~ key
       next unless /dir$/ =~ key
-      mk << "#{key} = #{with_destdir(var)}\n"
+      mk << "#{key} = #{/^(?:top_src|build)dir$/ =~ key ? var : with_destdir(var)}\n"
     end
     if !$extmk and !$configure_args.has_key?('--ruby') and
         sep = config_string('BUILD_FILE_SEPARATOR')
-- 
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