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

wget https://github.com/hughsie/libxmlb/archive/refs/tags/0.3.10.tar.gz

cd libxmlb-0.3.10

mkdir build
cd build

CC="gcc -flto -mtune=generic -Os -pipe" CXX="g++ -flto -mtune=generic -Os -pipe -fno-exceptions -fno-rtti" meson --prefix=/usr/local --localstatedir=/var --buildtype=plain --libexecdir=/usr/local/lib/libxmlb -Dgtkdoc=false

ninja [0m 10.09s]
sudo ninja install

libxmlb 0.3.10

  User defined options
    buildtype    : plain
    libexecdir   : /usr/local/lib/libxmlb
    localstatedir: /var
    prefix       : /usr/local
    gtkdoc       : false