./ext/extconf.rb in rb_cdio-0.2.0 vs ./ext/extconf.rb in rb_cdio-0.2.1

@@ -1,7 +1,7 @@
 require 'mkmf'
-have_library("cdio","cdio_open");
-have_library("iso9660","iso9660_get_system_id");
-if have_library("cddb","cddb_new")
-	have_header("cddb/cddb.h")
-end
-create_makefile("rb_cdio");
+if have_library("cdio","cdio_open") and have_library("iso9660","iso9660_get_system_id")
+	if have_library("cddb","cddb_new")
+		have_header("cddb/cddb.h")
+	end
+create_makefile("rb_cdio");
+end
\ No newline at end of file