--- configure.orig	2008-07-23 12:17:35.000000000 +0200
+++ configure	2008-07-23 12:18:05.000000000 +0200
@@ -20374,7 +20374,7 @@
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
-  if test "$jackmidi_nframes" == "yes"
+  if test "$jackmidi_nframes" = "yes"
   then
 
 cat >>confdefs.h <<\_ACEOF
