* gnu/packages/hardware.scm (i7z)[source]: Add patch. * gnu/packages/patches/i7z-gcc-10.patch: New file. * gnu/local.mk (dist_patch_DATA): Add it.
		
			
				
	
	
		
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From: Tobias Geerinckx-Rice <me@tobias.gr>
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Date: Sat, 11 Dec 2021 19:22:49 +0100
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Subject: [PATCH] gnu: i7z: Build with GCC 10.
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Patch from Debian, modified to apply to our i7z sources in src/.
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Author: Andreas Beckmann <anbe@debian.org>
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Description: fix FTBFS with gcc-10
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 gcc-10 defaults to -fno-common
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 see https://gcc.gnu.org/gcc-10/porting_to.html
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Bug-Debian: https://bugs.debian.org/957351
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--- a/src/i7z_Dual_Socket.c
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+++ b/src/i7z_Dual_Socket.c
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@@ -37,7 +37,7 @@ float Read_Voltage_CPU(int cpu_num);
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 extern struct program_options prog_options;
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 FILE *fp_log_file;
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-struct timespec global_ts;
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+extern struct timespec global_ts;
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 extern FILE *fp_log_file_freq_1, *fp_log_file_freq_2;
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 extern char* CPU_FREQUENCY_LOGGING_FILE_single;
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