tce-load -i glib2-dev freetype-dev gobject-introspection-dev icu-dev cairo-dev

cd harfbuzz-1.2.7

CC="gcc -flto -fuse-linker-plugin -mtune=generic -Os -pipe" CXX="g++ -flto -fuse-linker-plugin -mtune=generic -Os -pipe -fno-exceptions -fno-rtti" ./configure --prefix=/usr/local --enable-static --localstatedir=/var --with-gobject

find . -name Makefile -type f -exec sed -i 's/-g -O2//g' {} \;

make
make install

Build configuration:

Unicode callbacks (you want at least one):
        Glib:                   true
        ICU:                    true
        UCDN:                   false

Font callbacks (the more the better):
        FreeType:               true

Tools used for command-line utilities:
        Cairo:                  true

Additional shapers (the more the better):
        Graphite2:              false

Platform shapers (not normally needed):
        CoreText:               false
        Uniscribe:              false

Other features:
        Documentation:          no
        GObject bindings:       true
        Introspection:          true