Print UMF source version in util_log_init()

Print UMF source version in util_log_init() if it is defined.

Signed-off-by: Lukasz Dorau <lukasz.dorau@intel.com>

Author: ldorau

src/utils/utils_log.c

@@ -293,10 +293,19 @@ void util_log_init(void) {
         loggerConfig.flushLevel = LOG_FATAL;
     }
 
+#ifdef UMF_SRC_VERSION
+// convert a define to a C string
+#define STR_(X) #X
+#define STR(X) STR_(X)
+#define STR_UMF_SRC_VERSION "src version: " STR(UMF_SRC_VERSION) ", "
+#else /* !UMF_SRC_VERSION */
+#define STR_UMF_SRC_VERSION ""
+#endif /* !UMF_SRC_VERSION */
+
     int umf_ver = umfGetCurrentVersion();
     LOG_INFO(
-        "Logger enabled (umf_version: %i.%i, level: %s, flush: %s, pid: %s, "
-        "timestamp: %s)",
+        "Logger enabled (umf version: %i.%i, " STR_UMF_SRC_VERSION
+        "level: %s, flush: %s, pid: %s, timestamp: %s)",
         UMF_MAJOR_VERSION(umf_ver), UMF_MINOR_VERSION(umf_ver),
         level_to_str(loggerConfig.level), level_to_str(loggerConfig.flushLevel),
         bool_to_str(loggerConfig.pid), bool_to_str(loggerConfig.timestamp));