From 57fd61ea5c58a4f9fcd7140b53ac6cd6e971ef47 Mon Sep 17 00:00:00 2001
From: Gianfranco Costamagna <costamagnagianfranco@yahoo.it>
Date: Fri, 31 Jul 2020 15:16:02 +0200
Subject: [PATCH] dlt_offline: fix build failures with gcc-10

see bug report: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=957140

/usr/bin/ld: CMakeFiles/dlt-daemon.dir/dlt_daemon_client.c.o:./obj-x86_64-linux-gnu/src/daemon/./src/offlinelogstorage/dlt_offline_logstorage.h:116: multiple definition of `g_logstorage_cache_max'; CMakeFiles/dlt-daemon.dir/dlt-daemon.c.o:./obj-x86_64-linux-gnu/src/daemon/./src/offlinelogstorage/dlt_offline_logstorage.h:116: first defined here
/usr/bin/ld: CMakeFiles/dlt-daemon.dir/dlt_daemon_common.c.o:./obj-x86_64-linux-gnu/src/daemon/./src/offlinelogstorage/dlt_offline_logstorage.h:118: multiple definition of `g_logstorage_cache_size'; CMakeFiles/dlt-daemon.dir/dlt-daemon.c.o:./obj-x86_64-linux-gnu/src/daemon/./src/offlinelogstorage/dlt_offline_logstorage.h:118: first defined here
/usr/bin/ld: CMakeFiles/dlt-daemon.dir/dlt_daemon_common.c.o:./obj-x86_64-linux-gnu/src/daemon/./src/offlinelogstorage/dlt_offline_logstorage.h:116: multiple definition of `g_logstorage_cache_max'; CMakeFiles/dlt-daemon.dir/dlt-daemon.c.o:./obj-x86_64-linux-gnu/src/daemon/./src/offlinelogstorage/dlt_offline_logstorage.h:116: first defined here
/usr/bin/ld: CMakeFiles/dlt-daemon.dir/dlt_daemon_connection.c.o:./obj-x86_64-linux-gnu/src/daemon/./src/offlinelogstorage/dlt_offline_logstorage.h:118: multiple definition of `g_logstorage_cache_size'; CMakeFiles/dlt-daemon.dir/dlt-daemon.c.o:./obj-x86_64-linux-gnu/src/daemon/./src/offlinelogstorage/dlt_offline_logstorage.h:118: first defined here
/usr/bin/ld: CMakeFiles/dlt-daemon.dir/dlt_daemon_connection.c.o:./obj-x86_64-linux-gnu/src/daemon/./src/offlinelogstorage/dlt_offline_logstorage.h:116: multiple definition of `g_logstorage_cache_max'; CMakeFiles/dlt-daemon.dir/dlt-daemon.c.o:./obj-x86_64-linux-gnu/src/daemon/./src/offlinelogstorage/dlt_offline_logstorage.h:116: first defined here
/usr/bin/ld: CMakeFiles/dlt-daemon.dir/dlt_daemon_event_handler.c.o:./obj-x86_64-linux-gnu/src/daemon/./src/offlinelogstorage/dlt_offline_logstorage.h:118: multiple definition of `g_logstorage_cache_size'; CMakeFiles/dlt-daemon.dir/dlt-daemon.c.o:./obj-x86_64-linux-gnu/src/daemon/./src/offlinelogstorage/dlt_offline_logstorage.h:118: first defined here
/usr/bin/ld: CMakeFiles/dlt-daemon.dir/dlt_daemon_event_handler.c.o:./obj-x86_64-linux-gnu/src/daemon/./src/offlinelogstorage/dlt_offline_logstorage.h:116: multiple definition of `g_logstorage_cache_max'; CMakeFiles/dlt-daemon.dir/dlt-daemon.c.o:./obj-x86_64-linux-gnu/src/daemon/./src/offlinelogstorage/dlt_offline_logstorage.h:116: first defined here
/usr/bin/ld: CMakeFiles/dlt-daemon.dir/dlt_daemon_offline_logstorage.c.o:./obj-x86_64-linux-gnu/src/daemon/./src/offlinelogstorage/dlt_offline_logstorage.h:116: multiple definition of `g_logstorage_cache_max'; CMakeFiles/dlt-daemon.dir/dlt-daemon.c.o:./obj-x86_64-linux-gnu/src/daemon/./src/offlinelogstorage/dlt_offline_logstorage.h:116: first defined here
---
 src/daemon/dlt_daemon_offline_logstorage.c              | 1 +
 src/offlinelogstorage/dlt_offline_logstorage.h          | 4 ++--
 src/offlinelogstorage/dlt_offline_logstorage_behavior.c | 1 +
 tests/gtest_dlt_daemon_offline_log.cpp                  | 1 +
 4 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/daemon/dlt_daemon_offline_logstorage.c b/src/daemon/dlt_daemon_offline_logstorage.c
index 0b3c14f..db9637e 100644
--- a/src/daemon/dlt_daemon_offline_logstorage.c
+++ b/src/daemon/dlt_daemon_offline_logstorage.c
@@ -56,6 +56,7 @@ DLT_STATIC DltReturnValue dlt_logstorage_split_ecuid(char *key,
     return DLT_RETURN_OK;
 }
 
+unsigned int g_logstorage_cache_max;
 /**
  * dlt_logstorage_split_ctid
  *
diff --git a/src/offlinelogstorage/dlt_offline_logstorage.h b/src/offlinelogstorage/dlt_offline_logstorage.h
index b58da70..c9bc93b 100644
--- a/src/offlinelogstorage/dlt_offline_logstorage.h
+++ b/src/offlinelogstorage/dlt_offline_logstorage.h
@@ -114,9 +114,9 @@
 #define DLT_OFFLINE_LOGSTORAGE_IS_STRATEGY_SET(S, s) ((S)&(s))
 
 /* logstorage max cache */
-unsigned int g_logstorage_cache_max;
+extern unsigned int g_logstorage_cache_max;
 /* current logstorage cache size */
-unsigned int g_logstorage_cache_size;
+extern unsigned int g_logstorage_cache_size;
 
 typedef struct
 {
diff --git a/src/offlinelogstorage/dlt_offline_logstorage_behavior.c b/src/offlinelogstorage/dlt_offline_logstorage_behavior.c
index afbf8c4..edef482 100644
--- a/src/offlinelogstorage/dlt_offline_logstorage_behavior.c
+++ b/src/offlinelogstorage/dlt_offline_logstorage_behavior.c
@@ -32,6 +32,7 @@
 #include "dlt_offline_logstorage_behavior.h"
 #include "dlt_offline_logstorage_behavior_internal.h"
 
+unsigned int g_logstorage_cache_size;
 /**
  * dlt_logstorage_log_file_name
  *
diff --git a/tests/gtest_dlt_daemon_offline_log.cpp b/tests/gtest_dlt_daemon_offline_log.cpp
index b8965de..0bd4d5e 100644
--- a/tests/gtest_dlt_daemon_offline_log.cpp
+++ b/tests/gtest_dlt_daemon_offline_log.cpp
@@ -29,6 +29,7 @@ extern "C"
 #include <fcntl.h>
 }
 
+unsigned int g_logstorage_cache_max;
 /* Begin Method: dlt_logstorage::t_dlt_logstorage_list_add*/
 TEST(t_dlt_logstorage_list_add, normal)
 {