[PATCH] meson: Add -finstrument-functions to debug builds

[Kieran Bingham]

Quoting Paul Elder (2024-09-12 17:49:09)
> Add -finstrument-functions to debug (and debugoptimized) build types.
> This will mainly be used for tracing functions with lttng by
> LD_PRELOADing liblttng-ust-cyg-profile.so (or
> liblttng-ust-cyg-profile-fast.so).
> 
> Signed-off-by: Paul Elder <paul.elder at ideasonboard.com>
> ---
>  meson.build | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/meson.build b/meson.build
> index 432ae1337..e8014e77f 100644
> --- a/meson.build
> +++ b/meson.build
> @@ -109,6 +109,12 @@ common_arguments = [
>      '-include', meson.current_build_dir() / 'config.h',
>  ]
>  
> +if get_option('buildtype').startswith('debug')

Why is this added to debug builds rather than any build with 'tracing
enabled' ?

meson_options has:

option('tracing',
        type : 'feature',
        value : 'auto',
        description : 'Enable tracing (based on lttng)')

so this could be 'if get_option('tracing') ?


> +    common_arguments += [
> +        '-finstrument-functions',
> +    ]
> +endif
> +
>  c_arguments = []
>  cpp_arguments = []
>  
> -- 
> 2.39.2
>