tce-load -i compiletc automake libtool-dev intltool gettext-dev fltk-1.4-dev libXtst-dev

wget https://github.com/TigerVNC/tigervnc/archive/refs/tags/v1.1.0.tar.gz

cd tigervnc-1.1.0

autoreconf -i

CC="gcc -flto -march=armv8-a+crc -mtune=cortex-a72 -Os -pipe  -std=gnu17" CXX="g++ -flto -march=armv8-a+crc -mtune=cortex-a72 -Os -pipe  -std=c++98 -Wno-narrowing" ./configure --prefix=/usr/local --localstatedir=/var --disable-gnutls

[-fno-exceptions -fno-rtti fails]

find . -name Makefile -type f -exec sed -i 's/-g -O2//g' {} \;
find . -name Makefile -type f -exec sed -i 's/-O3//g' {} \;

make [2m 20.33s]
sudo make install