[PATCH dpdk] meson: properly disable docs

[Stephen Hemminger]

On Tue, 22 Oct 2024 17:11:42 +0200
Robin Jarry <rjarry at redhat.com> wrote:

> Fix the following meson warning when -Denable_docs=false:
> 
>  $ meson setup build -Denable_docs=false -Denable_drivers=net/null \
>       -Denable_libs=rib -Ddisable_apps=* --wipe --fatal-meson-warnings
>  ...
>  Program doxygen found: YES (/usr/bin/doxygen)
>  Configuring doxy-api-html.conf using configuration
>  doc/api/meson.build:54: WARNING: The variable(s) 'DTS_API_MAIN_PAGE' in
>  the input file 'doc/api/doxy-api.conf.in' are not present in the given
>  configuration data.
>  doc/api/meson.build:54:17: ERROR: Fatal warnings enabled, aborting
> 
> When -Denable_docs=false, do not even enter the doc subdir. Replace all
> occurrences of get_option('enable_docs') in the doc subdir with true.
> 
> Fixes: 7f9326423a04 ("dts: add API doc generation")
> Signed-off-by: Robin Jarry <rjarry at redhat.com>

Acked-by: Stephen Hemminger <stephen at networkplumber.org>