tce-load -i compiletc libssh2-dev lua-5.3-dev libpcap-dev pcre-dev liblinear-dev python

https://nmap.org/dist/nmap-7.80.tar.bz2

cd nmap-7.80

CC="gcc -flto -fuse-linker-plugin -mtune=generic -Os -pipe" CXX="g++ -flto -fuse-linker-plugin -mtune=generic -Os -pipe -fno-exceptions -fno-rtti" ./configure --prefix=/usr/local --localstatedir=/var --disable-static

find . -name Makefile -type f -exec sed -i 's/-g -O2//g' {} \;

make [1m 8.49s]
sudo make install

Configured with: ndiff zenmap nping openssl zlib libssh2 lua ncat
Configured without: localdirs nmap-update