tce-load -i compiletc python3.8-meson freetype-dev graphite2-dev glib2-dev icu70-dev gobject-introspection-dev 

wget https://github.com/harfbuzz/harfbuzz/releases/download/4.3.0/harfbuzz-4.3.0.tar.xz

cd harfbuzz-4.3.0

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 --buildtype=plain -Dgraphite2=enabled ../

ninja [5m 26.78s]
sudo ninja install

harfbuzz 4.3.0

  Additional shapers
    Graphite2        : YES

  Dependencies used for command-line utilities
    Cairo            : NO
    Chafa            : NO

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

  Font callbacks (the more the merrier)
    FreeType         : YES

  Other features
    Documentation    : NO
    GObject bindings : YES
    Introspection    : YES
    Experimental APIs: NO

  Platform shapers (not normally needed)
    CoreText         : NO
    DirectWrite      : NO
    GDI/Uniscribe    : NO

  Testing
    Tests            : YES
    Benchmark        : NO

  Unicode callbacks (you want at least one)
    Builtin          : YES
    Glib             : YES
    ICU              : YES