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

wget https://download.gnome.org/sources/json-glib/1.8/json-glib-1.8.0.tar.xz

cd json-glib-1.8.0

mkdir build
cd build

CC="gcc -flto -march=armv8-a+crc -mtune=cortex-a72 -Os -pipe" CXX="g++ -flto -march=armv8-a+crc -mtune=cortex-a72 -Os -pipe -fno-exceptions -fno-rtti" meson --prefix=/usr/local --localstatedir=/var --buildtype=plain -Dgtk_doc=disabled

ninja [0m 25.79s]
sudo ninja install

json-glib 1.8.0

  Directories
    prefix       : /usr/local
    includedir   : /usr/local/include
    libdir       : /usr/local/lib
    datadir      : /usr/local/share

  Build
    Introspection: YES
    Documentation: NO
    Manual pages : NO
    Tests        : YES

  User defined options
    buildtype    : plain
    localstatedir: /var
    prefix       : /usr/local
    gtk_doc      : disabled