From fa1f7befa95c930a68f4b7ace4a4e6e1dd221773 Mon Sep 17 00:00:00 2001
From: eban <eban@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 19 Jun 2002 05:54:24 +0000
Subject: * ext/extmk.rb, lib/mkmf.rb (xsystem): open the log file if xsystem
 is called.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@2584 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 lib/mkmf.rb | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'lib/mkmf.rb')

diff --git a/lib/mkmf.rb b/lib/mkmf.rb
index 1f3910b0c6..7235294596 100644
--- a/lib/mkmf.rb
+++ b/lib/mkmf.rb
@@ -74,8 +74,6 @@ elsif RUBY_PLATFORM =~ /-nextstep|-rhapsody|-darwin/
   CFLAGS.gsub!( /-arch\s\w*/, '' )
 end
 
-$log = open('mkmf.log', 'w')
-
 if /mswin32/ =~ RUBY_PLATFORM
   OUTFLAG = '-Fe'
 elsif /bccwin32/ =~ RUBY_PLATFORM
@@ -97,14 +95,17 @@ def rm_f(*files)
   end
 end
 
+$log = nil
 $orgerr = $stderr.dup
 $orgout = $stdout.dup
+
 def xsystem command
   Config.expand(command)
   if $DEBUG
     puts command
     return system(command)
   end
+  $log ||= open('mkmf.log', 'w')
   $stderr.reopen($log) 
   $stdout.reopen($log) 
   puts command
-- 
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