tce-load -i compiletc meson xkeyboard-config libxkbfile-dev

wget https://www.x.org/archive//individual/app/xkbcomp-1.5.0.tar.xz

cd xkbcomp-1.5.0

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 setup --prefix=/usr/local --sysconfdir=/etc --buildtype=plain

ninja [0m 9.32s]
sudo ninja install

xkbcomp 1.5.0

  Compiler
    backend        : ninja
    buildtype      : plain
    id             : gcc
    c_args         :
    c_link_args    :
    yacc           : /usr/local/bin/bison 3.8.2

  Directories
    prefix         : /usr/local
    bindir         : bin
    libdir         : lib
    datadir        : share
    xkb-config-root: /usr/local/share/X11/xkb

  User defined options
    buildtype      : plain
    prefix         : /usr/local
    sysconfdir     : /etc