Check-security-hardening failed

Hi, I’ve just built rc3 and tried the I got the following failure messages:

===== BEGIN: /home/***/zcash/qa/zcash/
make: ingresso nella directory "/home/***/zcash/src"
Checking binary security of [zcashd zcash-cli zcash-tx test/test_bitcoin zcash-gtest   zcash/GenerateParams]...
zcash-cli: failed PIE NX RELRO
zcash-tx: failed PIE NX RELRO
test/test_bitcoin: failed PIE NX RELRO
zcash-gtest: failed PIE NX RELRO
zcash/GenerateParams: failed PIE NX RELRO
Makefile:7989: set di istruzioni per l'obiettivo "check-security" non riuscito
make: *** [check-security] Errore 1
make: uscita dalla directory "/home/***/zcash/src"
===== FAILED: /home/***/zcash/qa/zcash/

What might be wrong with security check? How should I fix it?
Many thanks

I keep getting this failure message with rc4 too.
Could anybody clarify what that implies? Is it really harmful?

As my issue is similar but doesn’t match exactly this old post, it has been moved to a new topic: