How to compile latest qBittorrent-nox with static qt, boost and openssl for Ubuntu 16.04 xenial (using Ubuntu 16.04 xenial)

build-qbittorrent-ubuntu-16.04-static.sh

#!/bin/bash
set -e
apt update -y
apt install -y build-essential git perl python2.7 python2.7-dev zlib1g-dev autoconf libicu-dev pkg-config perl ccache

OPENSSL_TAG=OpenSSL_1_1_1-stable
QBITTORRENT_TAG=v4_2_x
LIBTORRENT_TAG=RC_1_2
QT5_TAG=5.14
BOOST_VER=1.72.0
BOOST_BUILD_TAG=boost-$BOOST_VER
PATH=/usr/lib/ccache:$PATH

rm -rf work
mkdir work
cd work

git clone https://github.com/openssl/openssl.git --branch $OPENSSL_TAG --single-branch --depth 1
cd openssl
./config
make -j${nproc}
cd ..

if ! [ -f "/usr/local/lib/libboost_system.so.$BOOST_VER" ]; then
    git clone --recursive --single-branch --branch boost-$BOOST_VER --depth=1 -j$(nproc) --shallow-submodules https://github.com/boostorg/boost.git
    cd boost
    ./bootstrap.sh
    ./b2 link=static cxxflags=-std=c++14 install
   cd ..
fi;

if ! [ -f "/usr/local/bin/b2" ]; then
    git clone https://github.com/boostorg/build.git --branch $BOOST_BUILD_TAG --single-branch --depth 1
    cd build
    ./bootstrap.sh
    ./b2 cxxflags=-std=c++14 install
    cd ..
fi;

git clone https://github.com/qt/qtbase.git --branch $QT5_TAG --single-branch --depth 1
cd qtbase
./configure -static -openssl-linked -opensource \
    -I`pwd`/../openssl/include -L`pwd`/../openssl  \
    -confirm-license -c++std 14 -no-opengl -no-dbus -no-widgets -no-gui -no-compile-examples \
    -prefix `pwd`/../../qt-qbittorrent
make -j$(nproc)
make install
cd ..

PATH="`pwd`/../qt-qbittorrent/bin:$PATH"

git clone https://github.com/qt/qttools.git --branch $QT5_TAG --single-branch --depth 1
cd qttools
qmake
make -j$(nproc)
make install
cd ..

# Patch the newly compiled qt to make it static link openssl
sed -i "s/-lssl -lcrypto/-l:libssl.a -l:libcrypto.a/" `pwd`/../qt-qbittorrent/lib/libQt5Network.prl
sed -i "s/;-lssl;-lcrypto/;-l:libssl.a;-l:libcrypto.a/" `pwd`/../qt-qbittorrent/lib/libQt5Network.prl
sed -i "s/-lssl -lcrypto/-l:libssl.a -l:libcrypto.a/" `pwd`/../qt-qbittorrent/plugins/bearer/libqgenericbearer.prl
sed -i "s/;-lssl;-lcrypto/;-l:libssl.a;-l:libcrypto.a/" `pwd`/../qt-qbittorrent/plugins/bearer/libqgenericbearer.prl
sed -i "s/-lssl -lcrypto/-l:libssl.a -l:libcrypto.a/" `pwd`/../qt-qbittorrent/lib/pkgconfig/Qt5Network.pc
sed -i "s/-lssl -lcrypto/-l:libssl.a -l:libcrypto.a/" `pwd`/../qt-qbittorrent/mkspecs/modules/qt_lib_network_private.pri

git clone https://github.com/arvidn/libtorrent.git --branch $LIBTORRENT_TAG --single-branch --depth 1
cd libtorrent
b2 link=static variant=release boost-link=static dht=on encryption=on crypto=openssl \
    i2p=on extensions=on cxxflags=-std=c++14 \
    openssl-lib=`pwd`/../openssl openssl-include=`pwd`/../openssl/include
cd ..

git clone https://github.com/qbittorrent/qBittorrent.git --branch $QBITTORRENT_TAG --single-branch --depth 1
cd qBittorrent
QT_QMAKE=`pwd`/../../qt-qbittorrent/bin \
    LDFLAGS="-l:libboost_system.a" \
    CXXFLAGS="-std=c++14" \
    libtorrent_CFLAGS="-I`pwd`/../libtorrent/include" \
    libtorrent_LIBS="-L`pwd`/../libtorrent/bin/gcc-5.4.0/release/crypto-openssl/link-static/threading-multi -l:libtorrent.a" \
    openssl_CFLAGS="-I`pwd`/../openssl/include" \
    openssl_LIBS="-L`pwd`/../openssl -l:libssl.a -l:libcrypto.a" \
    ./configure --disable-gui --disable-qt-dbus
sed -i 's/-lboost_system//' conf.pri
make -j$(nproc)
strip src/qbittorrent-nox
cd ../..

cp ./work/qBittorrent/src/qbittorrent-nox .