tce-load -i compiletc cmake openssl-1.1.1-dev

wget https://www.libssh.org/files/0.9/libssh-0.9.5.tar.xz

cd libssh-0.9.5

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" -DCMAKE_INSTALL_PREFIX=/usr/local -DBUILD_SHARED_LIBS=ON -DCMAKE_BUILD_TYPE=release -DCMAKE_VERBOSE_MAKEFILE=TRUE ../

make [0m 20.58s]
sudo make install