Re: YACC y.tab.c Usage: /usr/bin/yacc [options] filename

[Bruce Cran <bruce@cran.org.uk>]

On 10/6/2014 3:44 PM, Stephen Cameron wrote:
> I suspect that your version of yacc does not comprehend the --no-lines
> option (which we needed only in order to avoid a bug in some other
> versions of yacc).  From the usage message it does appear to
> understand both -d and -l though.
>
> Try changing the --no-lines option in the Makefile to -l instead, and
> see if that helps.

The same problem occurs on FreeBSD 10. After changing "--no-lines" to 
"-l" the build works, with the following warnings:

   YACC y.tab.c
     CC lex.yy.o
lex.yy.c:1245:3: warning: incompatible pointer types passing 'yy_size_t 
*' (aka 'unsigned long *') to parameter of type 'int *' 
[-Wincompatible-pointer-types]
                 YY_INPUT( 
(&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
exp/expression-parser.l:31:25: note: expanded from macro 'YY_INPUT'
                 lexer_input((buffer), &(bytes_read), (bytes_requested))
                                       ^~~~~~~~~~~~~
exp/expression-parser.l:27:43: note: passing argument to parameter 
'nbytes' here
extern int lexer_input(char* buffer, int *nbytes, int buffersize);

-- 
Bruce