[patch] Implement -fcallgraph-info option

[Joseph S. Myers]

On Fri, 29 Oct 2010, Eric Botcazou wrote:

> +/* Compute stack usage information on a per-function basis.  */
> +extern int flag_stack_usage_info;
> +
> +/* Output callgraph information on a per-file basis.  */
> +#define CALLGRAPH_INFO_NAKED         0x1
> +#define CALLGRAPH_INFO_STACK_USAGE   0x2
> +#define CALLGRAPH_INFO_DYNAMIC_ALLOC 0x4
> +extern int flag_callgraph_info;

Please use Variable declarations in common.opt for new option variables, 
so they go in the gcc_options structure, instead of manual declarations in 
flags.h and toplev.c.

-- 
Joseph S. Myers
joseph@codesourcery.com