if(USE_POLARSSL_TESTCERT OR USE_POLARSSL_HAVEGE)
if(SSL MATCHES "openssl" OR SSL MATCHES "gnutls")
message(FATAL_ERROR "Selecting USE_POLARSSL_TESTCERT or USE_POLARSSL_HAVEGE implies SSL=polarssl")
if(USE_POLARSSL_TESTCERT OR USE_POLARSSL_HAVEGE)
if(SSL MATCHES "openssl" OR SSL MATCHES "gnutls")
message(FATAL_ERROR "Selecting USE_POLARSSL_TESTCERT or USE_POLARSSL_HAVEGE implies SSL=polarssl")