log build info in eNB/EPC logs

srsenb/src/enb.cc

@@ -85,6 +85,7 @@ bool enb::init(all_args_t *args_)
   } else {
     logger_file.init(args->log.filename, args->log.file_max_size);
     logger_file.log("\n\n");
+    logger_file.log(get_build_string().c_str());
     logger = &logger_file;
   }
 

srsepc/src/main.cc

@@ -330,6 +330,8 @@ main (int argc,char * argv[] )
     logger = &logger_stdout;
   } else {
     logger_file.init(args.log_args.filename);
+    logger_file.log("\n\n");
+    logger_file.log(get_build_string().c_str());
     logger_file.log("\n---  Software Radio Systems EPC log ---\n\n");
     logger = &logger_file;
   }