tce-load -i compiletc meson dbus-dev gobject-introspection-dev

wget https://download.gnome.org/sources/at-spi2-core/2.56/at-spi2-core-2.56.2.tar.xz

cd at-spi2-core-2.56.2

mkdir build
cd build

CC="gcc -flto -mtune=generic -Os -pipe" CXX="g++ -flto -mtune=generic -Os -pipe -fno-exceptions -fno-rtti" meson setup --prefix=/usr/local --buildtype=plain --libexecdir=/usr/local/lib/at-spi2-core -Dsystemd_user_dir=/tmp

ninja [0m 22.52s]
sudo ninja install

sudo rm /tmp/at-spi-dbus-bus.service


at-spi2-core 2.56.2

  User defined options
    buildtype       : plain
    libexecdir      : /usr/local/lib/at-spi2-core
    prefix          : /usr/local
    systemd_user_dir: /tmp