* lib/mkmf.rb (create_makefile): need to output sodir rule.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15171 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,7 @@
+Tue Jan 22 20:58:15 2008  NAKAMURA Usaku  <usa@ruby-lang.org>
+
+	* lib/mkmf.rb (create_makefile): need to output sodir rule.
+
 Tue Jan 22 19:37:16 2008  NAKAMURA Usaku  <usa@ruby-lang.org>
 
 	* lib/mkmf.rb (create_makefile): lib files shoudn't depend on install

lib/mkmf.rb

@@ -1543,7 +1543,7 @@ static:		$(STATIC_LIB)#{$extout ? " install-rb" : ""}
     end
   end
   dirs.unshift(sodir) if target and !dirs.include?(sodir)
-  dirs.each {|d| mfile.print "#{d}:\n\t$(MAKEDIRS) $@\n"} if $nmake
+  dirs.each {|d| mfile.print "#{d}:\n\t$(MAKEDIRS) $@\n"} if $nmake || dirs == sodir
 
   mfile.print <<-SITEINSTALL