tce-load -i bzip2-dev readline-dev

cd gnupg-1.4.20

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 --libexecdir=/usr/local/lib

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

make
sudo make install

                Version info:   gnupg 1.4.20
                Configured for: GNU/Linux (x86_64-unknown-linux-gnu)