RUN set -ex && \

apt-get update && \

apt-get install -y --no-install-recommends \

build-essential meson ninja-build git mercurial \

gobject-introspection libgirepository1.0-dev gtk-doc \

libglib2.0-dev libxml2-dev libncurses-dev libpython3-dev \

apt-get clean && \

rm -rf /var/lib/apt/lists