tce-load -i compiletc glibmm-dev atk-dev

wget http://ftp.gnome.org/pub/gnome/sources/atkmm/2.28/atkmm-2.28.0.tar.xz

cd atkmm-2.28.0

CC="gcc -march=armv8-a+crc -mtune=cortex-a72 -Os -pipe" CXX="g++ -march=armv8-a+crc -mtune=cortex-a72 -Os -pipe" ./configure --prefix=/usr/local --disable-static --localstatedir=/var

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

make [1m 41.82s]
sudo make install