From 64a1809ce259945e3928a256bc47b38b8429148d Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 16 Oct 2005 13:17:43 +0000
Subject: [PATCH] * ext/extmk.rb: omit non-existing directories.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@9400 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ChangeLog    |  4 ++++
 ext/extmk.rb | 15 +++++++++------
 2 files changed, 13 insertions(+), 6 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index a595904233..0517edd4ad 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Sun Oct 16 22:16:51 2005  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* ext/extmk.rb: omit non-existing directories.
+
 Sun Oct 16 14:40:54 2005  Masatoshi SEKI  <m_seki@mva.biglobe.ne.jp>
 
 	* lib/rinda/rinda.rb (Rinda::Tuple#initialize): check remote hash
diff --git a/ext/extmk.rb b/ext/extmk.rb
index fc1a2f37ce..334ddbcd12 100644
--- a/ext/extmk.rb
+++ b/ext/extmk.rb
@@ -351,12 +351,15 @@ end unless $extstatic
 
 ext_prefix = "#{$top_srcdir}/ext"
 exts = $static_ext.sort_by {|t, i| i}.collect {|t, i| t}
-exts |= $extension if $extension
-exts |= Dir.glob("#{ext_prefix}/*/**/extconf.rb").collect {|d|
-  d = File.dirname(d)
-  d.slice!(0, ext_prefix.length + 1)
-  d
-}.sort unless $extension
+if $extension
+  exts |= $extension.select {|d| File.directory?("#{ext_prefix}/#{d}")}
+else
+  exts |= Dir.glob("#{ext_prefix}/*/**/extconf.rb").collect {|d|
+    d = File.dirname(d)
+    d.slice!(0, ext_prefix.length + 1)
+    d
+  }.sort
+end
 
 if $extout
   Config.expand(extout = "#$extout", Config::CONFIG.merge("topdir"=>$topdir))