--- configure.in.ori	2012-12-20 23:16:52.643039594 +0100
+++ configure.in.ori	2012-12-20 23:18:03.900143771 +0100
@@ -338,7 +338,7 @@ 
 
 	AC_MSG_CHECKING([for version 0.10 (or later revision) of PPL])
 	AC_TRY_COMPILE([#include "ppl_c.h"],[
-	#if PPL_VERSION_MAJOR != 0 || PPL_VERSION_MINOR < 10
+	#if PPL_VERSION_MAJOR == 0 && PPL_VERSION_MINOR < 10
 	choke me
 	#endif
 	], [AC_MSG_RESULT([yes])], [AC_MSG_ERROR(Can't find correct version of PPL.) ])