From: Tobias Geerinckx-Rice <me@tobias.gr>
Date: Sat, 11 Dec 2021 19:22:49 +0100
Subject: [PATCH] gnu: i7z: Build with GCC 10.

Patch from Debian, modified to apply to our i7z sources in src/.

Author: Andreas Beckmann <anbe@debian.org>
Description: fix FTBFS with gcc-10
 gcc-10 defaults to -fno-common
 see https://gcc.gnu.org/gcc-10/porting_to.html
Bug-Debian: https://bugs.debian.org/957351

--- a/src/i7z_Dual_Socket.c
+++ b/src/i7z_Dual_Socket.c
@@ -37,7 +37,7 @@ float Read_Voltage_CPU(int cpu_num);
 extern struct program_options prog_options;
 FILE *fp_log_file;
 
-struct timespec global_ts;
+extern struct timespec global_ts;
 extern FILE *fp_log_file_freq_1, *fp_log_file_freq_2;
 
 extern char* CPU_FREQUENCY_LOGGING_FILE_single;
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