--- mbedtls-2.3.0/CMakeLists.txt.orig	2016-06-27 21:50:36.000000000 +0300
+++ mbedtls-2.3.0/CMakeLists.txt	2016-07-13 13:55:11.270620794 +0300
@@ -31,7 +31,7 @@ find_package(Perl)
 if(PERL_FOUND)
 
     # If NULL Entropy is configured, display an appropriate warning
-    execute_process(COMMAND ${PERL_EXECUTABLE} scripts/config.pl get MBEDTLS_TEST_NULL_ENTROPY
+    execute_process(COMMAND ${PERL_EXECUTABLE} ../scripts/config.pl get MBEDTLS_TEST_NULL_ENTROPY
                         RESULT_VARIABLE result)
     if(${result} EQUAL 0)
         message(WARNING ${NULL_ENTROPY_WARNING})