tce-load -i openssl-1.0.0-dev libpcap-dev pcre-dev lua-dev liblinear-dev

cd nmap-6.40

CC="gcc -flto -fuse-linker-plugin -mtune=generic -Os -pipe" CXX="g++ -flto -fuse-linker-plugin -mtune=generic -Os -pipe" ./configure --prefix=/usr/local

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

make

sudo make install