$NetBSD: patch-af,v 1.1.1.1 2001/06/30 08:25:48 taca Exp $

--- lib/mkmf.rb.orig	Tue Jun 20 01:23:36 2000
+++ lib/mkmf.rb
@@ -316,6 +316,8 @@
 end
 
 def create_makefile(target)
+  save_libs = $libs.dup if not $libs.nil?
+  save_libpath = $LIBPATH.dup if not $LIBPATH.nil?
   print "creating Makefile\n"
   system "rm -f conftest*"
   STDOUT.flush
@@ -446,6 +448,8 @@
     dfile.close
   end
   mfile.close
+  $libs = save_libs
+  $LIBPATH = save_libpath
 
   if RUBY_PLATFORM =~ /beos/
     if RUBY_PLATFORM =~ /^powerpc/ then
