Cannot compile the DTC itself

[Jon Loeliger]

> I get similar errors for dtc-v1.1.0 and dtc-v1.2.0:
> 
> ...
>          CC dtc-lexer.lex.o
> dtc-lexer.lex.c: In function `yylex':
> dtc-lexer.lex.c:762: warning: label `find_rule' defined but not used
> dtc-lexer.l: At top level:
> dtc-lexer.lex.c:1870: warning: 'yy_flex_realloc' defined but not used
>          CC dtc-parser.tab.o
> dtc-parser.tab.c: In function `yyparse':
> dtc-parser.tab.c:1105: warning: implicit declaration of function `YYRHSLOC'
> dtc-parser.tab.c:1105: error: request for member `first_line' in

What version of flex are you using?
Have you tried to install a recent version of flex?

HTH,
jdl