tce-load -i compiletc cmake ninja abseil-cpp-dev

wget https://github.com/protocolbuffers/protobuf/releases/download/v34.1/protobuf-34.1.tar.gz

cd protobuf-34.1

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 -fno-exceptions -fno-rtti" -DCMAKE_INSTALL_PREFIX=/usr/local -DCMAKE_BUILD_TYPE=Release -DCMAKE_VERBOSE_MAKEFILE=TRUE -DCMAKE_SKIP_INSTALL_RPATH=ON -Dprotobuf_BUILD_TESTS=OFF -Dprotobuf_BUILD_SHARED_LIBS=ON -G Ninja ../

ninja [11m 57.60s]
sudo ninja install