graphics/mesa-devel: enable NLS support
WARNING: Gettext not found, all translation targets will be ignored.
python3.7 src/util/xmlpool/gen_xmlpool.py --template src/util/xmlpool/t_options.h --output src/util/xmlpool/options.h --localedir _build/src/util/xmlpool --languages ca es de nl sv fr
Warning: language 'ca' not found.
Warning: language 'es' not found.
Warning: language 'de' not found.
Warning: language 'nl' not found.
Warning: language 'sv' not found.
Warning: language 'fr' not found.
https://bugs.archlinux.org/task/66310
https://gitlab.freedesktop.org/mesa/mesa/commit/7834926a4f5c