How to enable debug code?

[Pedro Alves]

On 07/08/2015 04:11 AM, Fei Ding wrote:
> Hi, there:
> 
> I met some problem when enabling debug code, here it is:
> 
> I want to debug the YACC of GDB command line. Specifically, I want
> this code to work: `YYDPRINTF ((stderr, "Starting parse\n"));', which
> at c-exp.c
> 
> So I've tried
> 1. make 'CFLAGS=-DYYDEBUG'
> 2. make YYDEBUG=1
> 
> Both failed. Any hint? Thanks.

No need to build any differently.  Just do "set debug parser on".

Thanks,
Pedro Alves