all cstdout uses wrapped in preprocessor defines

unittest/internal/InternalUnitTester.cpp

@@ -13,13 +13,17 @@ InternalUnitTester::InternalUnitTester() {}
 InternalUnitTester::~InternalUnitTester() {}
 
 ReturnValue_t InternalUnitTester::performTests() {
+#if CPP_OSTREAM_ENABLED == 1
 	sif::info << "Running internal unit tests.." << std::endl;
+#endif
 	testserialize::test_serialization();
 	testmq::testMq();
 	testsemaph::testBinSemaph();
 	testsemaph::testCountingSemaph();
 	testmutex::testMutex();
+#if CPP_OSTREAM_ENABLED == 1
 	sif::info << "Internal unit tests finished." << std::endl;
+#endif
 	return RETURN_OK;
 }