tce-load -i compiletc cmake ninja

wget https://doxygen.nl/files/doxygen-1.18.0.src.tar.gz

cd doxygen-1.18.0

grep -rl '^#!.*python$' | xargs sed -i '1s/python/&3/'

mkdir build
cd build

cmake -LAH -DCMAKE_C_FLAGS_RELEASE="-flto -march=armv8-a+crc -mtune=cortex-a72 -Os -pipe" -DCMAKE_CXX_FLAGS_RELEASE="-flto -march=armv8-a+crc -mtune=cortex-a72 -Os -pipe" -DCMAKE_INSTALL_PREFIX=/usr/local -DCMAKE_BUILD_TYPE=Release -DCMAKE_VERBOSE_MAKEFILE=TRUE -Wno-author -G Ninja ../

[-fno-exceptions fails]

ninja [6m 31.12s]
sudo ninja install