--- a/scripts/dtc/dtc-lexer.lex.c_shipped	2016-08-28 13:19:20.000000000 +0300
+++ b/scripts/dtc/dtc-lexer.lex.c_shipped	2021-04-02 00:06:02.972781070 +0300
@@ -637,7 +637,7 @@
 #include "srcpos.h"
 #include "dtc-parser.tab.h"
 
-YYLTYPE yylloc;
+extern YYLTYPE yylloc;
 extern bool treesource_error;
 
 /* CAUTION: this will stop working if we ever use yyless() or yyunput() */