tce-load -i compiletc cmake 

wget https://github.com/assimp/assimp/archive/refs/tags/v5.0.1.tar.gz

cd assimp-5.0.1

mkdir build
cd build

cmake -LAH -DCMAKE_C_FLAGS_RELEASE="-march=armv8-a+crc -mtune=cortex-a72 -Os -pipe" -DCMAKE_CXX_FLAGS_RELEASE="-march=armv8-a+crc -mtune=cortex-a72 -Os -pipe" -DCMAKE_INSTALL_PREFIX=/usr/local -DCMAKE_BUILD_TYPE=Release -DCMAKE_VERBOSE_MAKEFILE=TRUE -DCMAKE_INSTALL_LIBDIR=lib ../

[flto, -fno-exceptions fail]

make [45m 2.59s]
sudo make install