tce-load -i compiletc cmake ninja

wget https://github.com/google/highway/archive/1.3.0/highway-1.3.0.tar.gz

cd highway-1.3.0

mkdir build
cd build

cmake -LAH -DCMAKE_C_FLAGS_RELEASE="-flto -march=i486 -mtune=i686 -Os -pipe" -DCMAKE_CXX_FLAGS_RELEASE="-flto -march=i486 -mtune=i686 -Os -pipe -fno-exceptions -fno-rtti" -DCMAKE_INSTALL_PREFIX=/usr/local -DCMAKE_BUILD_TYPE=Release -DCMAKE_VERBOSE_MAKEFILE=TRUE -DBUILD_TESTING=OFF -DBUILD_SHARED_LIBS=ON  -G Ninja ../

ninja [4m 9.31s]
sudo ninja install