tce-load -i cairo-dev icu-dev goject-introspection-dev

cd harfbuzz-0.9.21

CFLAGS="-march=i486 -mtune=i686 -Os -pipe" CXXFLAGS="-march=i486 -mtune=i686 -Os -pipe -fno-exceptions -fno-rtti" ./configure --prefix=/usr/local --enable-introspection=yes

make
sudo 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:          false
        GObject bindings:       false
        Introspection:          false