COMPMID-1824 Disable logging completely when building with logging=0

Change-Id: Ie0d5387c0546045e14e62c84c03894a9b0339585
Reviewed-on: https://review.mlplatform.org/335
Reviewed-by: Pablo Marquez <pablo.tello@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
diff --git a/arm_compute/core/Log.h b/arm_compute/core/Log.h
index 70e7c51..2d8d396 100644
--- a/arm_compute/core/Log.h
+++ b/arm_compute/core/Log.h
@@ -26,6 +26,7 @@
 
 #include "arm_compute/core/utils/logging/Macros.h"
 
+#ifdef ARM_COMPUTE_LOGGING_ENABLED
 /** Create a default core logger
  *
  * @note It will eventually create all default loggers in don't exist
@@ -38,6 +39,9 @@
             arm_compute::logging::LoggerRegistry::get().create_reserved_loggers(); \
         }                                                                          \
     } while(false)
+#else /* ARM_COMPUTE_LOGGING_ENABLED */
+#define ARM_COMPUTE_CREATE_DEFAULT_CORE_LOGGER()
+#endif /* ARM_COMPUTE_LOGGING_ENABLED */
 
 /** Log a message to the core system logger
  *
diff --git a/arm_compute/core/Utils.h b/arm_compute/core/Utils.h
index f1395a4..7c5d87f 100644
--- a/arm_compute/core/Utils.h
+++ b/arm_compute/core/Utils.h
@@ -1024,6 +1024,7 @@
     return ss.str();
 }
 
+#ifdef ARM_COMPUTE_DEBUG_ENABLED
 /** Print consecutive elements to an output stream.
  *
  * @param[out] s             Output stream to print the elements to.
@@ -1112,5 +1113,6 @@
  * @return The maximum width of the elements.
  */
 int max_consecutive_elements_display_width(std::ostream &s, DataType dt, const uint8_t *ptr, unsigned int n);
+#endif /* ARM_COMPUTE_DEBUG_ENABLED */
 }
 #endif /*__ARM_COMPUTE_UTILS_H__ */