[PATCH 1/2] build: allow to conditionally build apps

[Bruce Richardson]

On Wed, Oct 12, 2022 at 04:47:03PM +0200, Markus Theil wrote:
> Makes apps configureable from meson, like already
> possible for drivers.
> 
> Signed-off-by: Markus Theil <markus.theil at tu-ilmenau.de>
> ---
>  app/meson.build   | 17 ++++++++++++-----
>  meson_options.txt |  4 ++++
>  2 files changed, 16 insertions(+), 5 deletions(-)
> 
> diff --git a/app/meson.build b/app/meson.build
> index 93d8c15032..4d9c8ee814 100644
> --- a/app/meson.build
> +++ b/app/meson.build
> @@ -1,6 +1,9 @@
>  # SPDX-License-Identifier: BSD-3-Clause
>  # Copyright(c) 2017-2019 Intel Corporation
>  
> +enabled_apps = get_option('enable_apps')
> +disabled_apps = get_option('disable_apps')
> +
>  apps = [
>          'dumpcap',
>          'pdump',
> @@ -27,7 +30,11 @@ if get_option('default_library') == 'static' and not is_windows
>  endif
>  
>  foreach app:apps
> -    build = true
> +    build = enabled_apps == '' or enabled_apps.contains(app)
> +    # let disabled_apps override enabled_apps
> +    if disabled_apps != ''
> +        build = build and not disabled_apps.contains(app)
> +    endif
>      name = app
>      sources = []
>      includes = []
> @@ -41,6 +48,10 @@ foreach app:apps
>      ext_deps = []
>      deps = []
>  
> +    if not build
> +        continue
> +    endif
> +
>      subdir(name)
>  
>      if build
> @@ -56,10 +67,6 @@ foreach app:apps
>          endforeach
>      endif
>  
> -    if not build
> -        continue
> -    endif
> -

Does this block not still need to be kept? Is it possible that build could
be set to false in the subdir or other logic?

/Bruce