--- a/scripts/dtc/dtc-lexer.l	2019-12-21 12:57:45.000000000 +0300
+++ b/scripts/dtc/dtc-lexer.l	2021-10-24 16:01:38.478555927 +0300
@@ -38,7 +38,7 @@
 #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() */