compiling on raspberry pi dose not work about miner HOT 2 CLOSED

pi@raspberrypi:~/git/webchain-miner/build $ uname -a
Linux raspberrypi 5.10.17-v7l+ #1414 SMP Fri Apr 30 13:20:47 BST 2021 armv7l GNU/Linux
pi@raspberrypi:~/git/webchain-miner/build $  
pi@raspberrypi:~/git/webchain-miner/build $ 
pi@raspberrypi:~/git/webchain-miner/build $ git pull
remote: Enumerating objects: 3, done.
remote: Counting objects: 100% (3/3), done.
remote: Total 3 (delta 2), reused 3 (delta 2), pack-reused 0
Entpacke Objekte: 100% (3/3), Fertig.
Von https://github.com/webchain-network/webchain-miner
   f1492e7..d19c0aa  master     -> origin/master
Aktualisiere f1492e7..d19c0aa
Fast-forward
 CMakeLists.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
pi@raspberrypi:~/git/webchain-miner/build $ git log
commit d19c0aab38d52bae87c5833e17a5862dc56120f4 (HEAD -> master, origin/master, origin/HEAD)
Author: lumat <[email protected]>
Date:   Thu Aug 19 10:44:59 2021 +0200

    Fix build for armv7. Refs #27

commit f1492e7d435f223de4977efe418c0a9a3d88edd1
Author: Tendo <[email protected]>
Date:   Mon Jul 20 12:38:41 2020 +0300

    Update issue templates

commit 924c603c7dc02afa0a4dfbd796b1dde1e93d40f4
Merge: 83f1d4b 3fcd1fd
Author: \u0141ukasz Matczak <[email protected]>
Date:   Mon Jan 20 09:49:25 2020 +0100

    Merge pull request #19 from rkd77/master
    
    [rpi] Compilation fixes for Raspberry Pi Zero W

commit 3fcd1fdc888900af542546f477810350daa964d5
Author: Witold Filipczyk <[email protected]>
Date:   Mon Jan 20 09:37:53 2020 +0100

    [rpi] Compilation fixes for Raspberry Pi Zero W
    
    To install dependencies:
    sudo apt install cmake libuv1-dev libmicrohttpd-dev
    
pi@raspberrypi:~/git/webchain-miner/build $ cmake
Usage

  cmake [options] <path-to-source>
  cmake [options] <path-to-existing-build>
  cmake [options] -S <path-to-source> -B <path-to-build>

Specify a source directory to (re-)generate a build system for it in the
current working directory.  Specify an existing build directory to
re-generate its build system.

Run 'cmake --help' for more information.

pi@raspberrypi:~/git/webchain-miner/build $ cmake ..
-- Configuring done
-- Generating done
-- Build files have been written to: /home/pi/git/webchain-miner/build
pi@raspberrypi:~/git/webchain-miner/build $ make -j$(nproc)
[  2%] Linking CXX executable webchain-miner
[100%] Built target webchain-miner
pi@raspberrypi:~/git/webchain-miner/build $ ls
CMakeCache.txt  CMakeFiles  cmake_install.cmake  Makefile  webchain-miner
pi@raspberrypi:~/git/webchain-miner/build $ ./webchain-miner 
unable to open /home/pi/git/webchain-miner/build/config.json: no such file or directory
No valid configuration found. Exiting.
pi@raspberrypi:~/git/webchain-miner/build $