[FS#3488] mvebu: kexec-tools gcc10 compile fix

[OpenWrt Bugs]

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User who did this - ByteEnable (ByteEnable) 

Attached to Project - OpenWrt/LEDE Project
Summary - mvebu: kexec-tools gcc10 compile fix
Task Type - Bug Report
Category - Packages
Status - Unconfirmed
Assigned To - 
Operating System - All
Severity - Low
Priority - Very Low
Reported Version - Trunk
Due in Version - Undecided
Due Date - Undecided
Details - kexec-tools fails to compile when building latest master from git and using GCC 10.  Multiple definitions and one declaration of a debug variable named my_debug for PPC64 that spills over into arm.

 --- a/kexec/fs2dt.h
+++ b/kexec/fs2dt.h
@@ -30,7 +30,7 @@ extern struct bootblock bb[1];
 
 /* Used for enabling printing message from purgatory code
  * Only has implemented for PPC64 */
-int my_debug;
+extern int my_debug;
 extern int dt_no_old_root;
 
 void reserve(unsigned long long where, unsigned long long length);
   

 

More information can be found at the following URL:
https://bugs.openwrt.org/index.php?do=details&task_id=3488

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