tce-load -i compiletc glib2-dev libxml2-dev iso-codes libxkbfile-dev gobject-introspection-dev vala-dev

wget https://people.freedesktop.org/~svu/libxklavier-5.4.tar.bz2

cd libxklavier-5.4

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" ./configure --prefix=/usr/local --localstatedir=/var --disable-static --with-xkb-base=/usr/local/share/X11/xkb --with-xmodmap-base=/usr/local/share/xmodmap

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

make [0m 8.55s]
sudo make install

**********************************************************
  Libxklavier is configured with the following backends:
    XKB, libxkbfile is present
         default ruleset: base
         base: /usr/local/share/X11/xkb
         xkbcomp is used from: /usr/local/bin
         xinput available: yes
    xmodmap, default ruleset: base
             base: /usr/local/share/xmodmap
  gtk-doc disabled
**********************************************************