Build/install instructions for GnuPG 2.1.x on Ubuntu and similar distros - use checkinstall to make DEBs for easy uninstall/upgrade

install-gnupg2.1.16.sh

#!/bin/bash

# Script to automatically download + compile + install GnuPG 2.1.15
# 2016/11/30 - Updated script and tested with Debian 8.5 Jessie 


set -x
apt-get update
apt-get -y install build-essential libgnutls-dev bzip2 make gettext texinfo gnutls-bin libgnutls28-dev build-essential libbz2-dev zlib1g-dev libncurses5-dev
mkdir -p ~/tmp/gnupg21 && cd ~/tmp/gnupg21

# Install the keys manually
# Read section "Release Signing Keys" of https://lists.gnupg.org/pipermail/gnupg-announce/2014q4/000358.html 
# which will point to https://gnupg.org/signature_key.html where you will find the public key block used bellow, 
# containing all the required keys
gpg --import <<EOT
-----BEGIN PGP PUBLIC KEY BLOCK-----
Version: GnuPG v2

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=W3eM
-----END PGP PUBLIC KEY BLOCK-----
EOT

wget -c https://www.gnupg.org/ftp/gcrypt/libgpg-error/libgpg-error-1.25.tar.gz && \
wget -c https://www.gnupg.org/ftp/gcrypt/libgpg-error/libgpg-error-1.25.tar.gz.sig && \
wget -c https://www.gnupg.org/ftp/gcrypt/libgcrypt/libgcrypt-1.7.3.tar.gz && \
wget -c https://www.gnupg.org/ftp/gcrypt/libgcrypt/libgcrypt-1.7.3.tar.gz.sig && \
wget -c https://www.gnupg.org/ftp/gcrypt/libassuan/libassuan-2.4.3.tar.bz2 && \
wget -c https://www.gnupg.org/ftp/gcrypt/libassuan/libassuan-2.4.3.tar.bz2.sig && \
wget -c https://www.gnupg.org/ftp/gcrypt/libksba/libksba-1.3.5.tar.bz2 && \
wget -c https://www.gnupg.org/ftp/gcrypt/libksba/libksba-1.3.5.tar.bz2.sig && \
wget -c https://www.gnupg.org/ftp/gcrypt/npth/npth-1.2.tar.bz2 && \
wget -c https://www.gnupg.org/ftp/gcrypt/npth/npth-1.2.tar.bz2.sig && \
wget -c https://www.gnupg.org/ftp/gcrypt/pinentry/pinentry-1.0.0.tar.bz2 && \
wget -c https://www.gnupg.org/ftp/gcrypt/pinentry/pinentry-1.0.0.tar.bz2.sig && \
wget -c https://www.gnupg.org/ftp/gcrypt/gnupg/gnupg-2.1.16.tar.bz2 && \
wget -c https://www.gnupg.org/ftp/gcrypt/gnupg/gnupg-2.1.16.tar.bz2.sig

gpg --verify libgpg-error-1.25.tar.gz.sig && tar -xzf libgpg-error-1.25.tar.gz && \
gpg --verify libgcrypt-1.7.3.tar.gz.sig && tar -xzf libgcrypt-1.7.3.tar.gz && \
gpg --verify libassuan-2.4.3.tar.bz2.sig && tar -xjf libassuan-2.4.3.tar.bz2 && \
gpg --verify libksba-1.3.5.tar.bz2.sig && tar -xjf libksba-1.3.5.tar.bz2 && \
gpg --verify npth-1.3.tar.bz2.sig && tar -xjf npth-1.3.tar.bz2 && \
gpg --verify pinentry-1.0.0.tar.bz2.sig && tar -xjf pinentry-1.0.0.tar.bz2 && \
gpg --verify gnupg-2.1.16.tar.bz2.sig && tar -xjf gnupg-2.1.16.tar.bz2

cd libgpg-error-1.25 && ./configure --prefix=/usr --sysconfdir=/etc --libdir=/lib/x86_64-linux-gnu --enable-dependency-tracking && make -j3 && sudo checkinstall -D --pkgname libgpg-error --exclude=/usr/share/info/dir --provides=libgpg-error0 --replaces=libgpg-error0 --pkgversion 1.25 -y && cd ../ && \
cd libgcrypt-1.7.3   && ./configure --prefix=/usr --sysconfdir=/etc --libdir=/lib/x86_64-linux-gnu --enable-dependency-tracking && make -j3 && sudo checkinstall -D --pkgname libgcrypt --exclude=/usr/share/info/dir --pkgversion 1.7.3 -y && cd ../ && \
cd libassuan-2.4.3   && ./configure --prefix=/usr --sysconfdir=/etc --libdir=/lib/x86_64-linux-gnu --enable-dependency-tracking && make -j3 && sudo checkinstall -D --pkgname libassuan --exclude=/usr/share/info/dir --pkgversion 2.4.3 -y && cd ../ && \
cd libksba-1.3.5     && ./configure --prefix=/usr --sysconfdir=/etc --libdir=/lib/x86_64-linux-gnu --enable-dependency-tracking && make -j3 && sudo checkinstall -D --pkgname libksba --exclude=/usr/share/info/dir --pkgversion 1.3.5 -y && cd ../ && \
cd npth-1.3          && ./configure --prefix=/usr --sysconfdir=/etc --libdir=/lib/x86_64-linux-gnu --enable-dependency-tracking && make -j3 && sudo checkinstall -D --pkgname npth --exclude=/usr/share/info/dir --pkgversion 1.3 --provides=libnpth0 -y && cd ../ && \
cd pinentry-1.0.0    && ./configure --prefix=/usr --sysconfdir=/etc --libdir=/lib/x86_64-linux-gnu --enable-dependency-tracking --enable-pinentry-curses --disable-pinentry-qt --enable-pinentry-gtk2 --enable-pinentry-gnome3 --enable-pinentry-tty  && make -j3 && \
                        sudo checkinstall -D --pkgname pinentry --exclude=/usr/share/info/dir --provides="pinentry-curses,pinentry-gtk2,pinentry-gnome3" --replaces=pinentry-curses,pinentry-gtk2,pinentry-gnome3 --pkgversion 1.0.0 -y && cd ../ && \
cd gnupg-2.1.16
cat > postinstall-pak << _EOF
ln -s /usr/bin/gpg2 /usr/bin/gpg
_EOF

./configure --prefix=/usr --sysconfdir=/etc --enable-maintainer-mode --enable-dependency-tracking && make -j3 && sudo checkinstall -D --pkgname gnupg --exclude=/usr/share/info/dir --provides gnupg2 --replaces gnupg2 --pkgversion 2.1.16 -y

echo -e "\n\nComplete!!!\n\nType gpg2 --version or gpg --version  to check for yourself :)"

exit 0