From f3e0252e5e51c8e47c7ad4f8d2b6235f3d5ee7af Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 21 Jan 2004 07:44:24 +0000
Subject: [PATCH] * lib/mkmf.rb (merge_libs): squeeze successive same
 libraries.   [ruby-dev:22652]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@5519 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ChangeLog   | 5 +++++
 lib/mkmf.rb | 1 +
 2 files changed, 6 insertions(+)

diff --git a/ChangeLog b/ChangeLog
index b724e05c8c..31a008d28f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Wed Jan 21 16:44:15 2004  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* lib/mkmf.rb (merge_libs): squeeze successive same libraries.
+	  [ruby-dev:22652]
+
 Wed Jan 21 16:10:36 2004  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* lib/base64.rb: enclosed in a module.  [ruby-core:02285]
diff --git a/lib/mkmf.rb b/lib/mkmf.rb
index fb62c271ea..d3076f40d3 100644
--- a/lib/mkmf.rb
+++ b/lib/mkmf.rb
@@ -117,6 +117,7 @@ def merge_libs(*libs)
   libs.inject([]) do |x, y|
     xy = x & y
     xn = yn = 0
+    y = y.inject([]) {|ary, e| ary.last == e ? ary : ary << e}
     y.each_with_index do |v, yi|
       if xy.include?(v)
         xi = [x.index(v), xn].max()