Makefile:9243: recipe for target 'qt/test/test_qtum-qt' failed Ubuntu 18-64bit

[vuicash]

Hello
I'm try
download your code
https://github.com/qtumproject/qtum/archive/refs/tags/mainnet-fastlane-v0.20.4.zip
for build by this guide
https://github.com/qtumproject/qtum/blob/master/doc/build-unix.md
./autogen.sh
./configure
make
Cannot build
make[2]: *** No rule to make target 'cpp-ethereum/utils/libscrypt/b64.c', needed by 'cpp-ethereum/utils/libscrypt/libbitcoinconsensus_la-b64.lo'. Stop.

and other

https://github.com/qtumproject/qtum/tree/master/depends
make
./configure --prefix=pwd/depends/x86_64-pc-linux-gnu

Makefile:9243: recipe for target 'qt/test/test_qtum-qt' failed

For a long time the document was not update?
in the file
https://github.com/qtumproject/qtum/blob/master/src/qt/test/Makefile
all:
$(MAKE) -C ../../ test_bitcoin_qt
clean:
$(MAKE) -C ../../ test_bitcoin_qt_clean
check:
$(MAKE) -C ../../ test_bitcoin_qt_check
Is it true?

[vuicash]

The lib before build

sudo apt-get update
sudo apt-get installbuild-essential gc make perl dkms
sudo reboot
sudo apt-get install git
sudo apt-get instal build-essential libtoovent-dev bsdmainutils
sudo apt-get install libboost-system-dev libboost-filesystem-dev libboost-chrono-dev libboost-program-options-dev libboost-test-dev libboost-thread-dev
sudo apt-get install libboost-all-dev
sudo apt-get install softwareproperties-common
sudo add-apt-repository ppa:bitcoin/bitcoin
sudo apt-get update
sudo apt-get insall libdb4.8-dev libdb4.8++-dev
sudo apt-get install libminiupnpc-dev
sudo apt-get install libzmq3-dev
sudo apt-get install libqt5gui5 libqt5core5a libqt5dbus5 qttools5-dev qttools5-dev-tools libprotobuf-dev proobuf-compiler 
sudo apt-get instal libqt4-dev libprotobuf-dv protobuf-compiler

The lib before depends

sudo apt-get install build-essential libtool autotools-dev automake pkg-config bsdmainutils python3 libgmp3-dev
sudo apt-get install libevent-dev libboost-system-dev libboost-filesystem-dev libboost-test-dev libboost-thread-dev
sudo apt-get install libminiupnpc-dev
sudo apt-get install libzmq3-dev
sudo apt-get install libqt5gui5 libqt5core5a libqt5dbus5 qttools5-dev qttools5-dev-tools
sudo apt-get install libqrencode-dev