From ef31fedd09f7ba16ccddeb7e9584f734ac7b082d Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Fri, 20 Jan 2017 10:59:47 +0000
Subject: extmk.rb: ignore generated sources

* ext/extmk.rb (extract_makefile): ignore generated source files
  not to reconfigure when in-place build.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57385 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ext/extmk.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'ext')

diff --git a/ext/extmk.rb b/ext/extmk.rb
index 04d374ece6..dc6bd04945 100755
--- a/ext/extmk.rb
+++ b/ext/extmk.rb
@@ -106,7 +106,7 @@ def extract_makefile(makefile, keep = true)
   srcs = Dir[File.join($srcdir, "*.{#{SRC_EXT.join(%q{,})}}")].map {|fn| File.basename(fn)}.sort
   if !srcs.empty?
     old_srcs = m[/^ORIG_SRCS[ \t]*=[ \t](.*)/, 1] or return false
-    old_srcs.split.sort == srcs or return false
+    (old_srcs.split - srcs).empty? or return false
   end
   $target = target
   $extconf_h = m[/^RUBY_EXTCONF_H[ \t]*=[ \t]*(\S+)/, 1]
-- 
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