How to resovle the problem

[arde2020]

when I install timerlord I have this problem，I use ubnutu 18.04 ,thanks

Building wheels for collected packages: chiavdf
Building wheel for chiavdf (PEP 517) ... error
ERROR: Command errored out with exit status 1:
command: /service/sun/chia-blockchain/venv/bin/python /service/sun/chia-blockchain/venv/lib/python3.7/site-packages/pip/_vendor/pep517/in_process/_in_process.py build_wheel /ipfs/tmpdir/tmp17ya3y2u
cwd: /ipfs/tmpdir/pip-install-jgg5wz7d/chiavdf_ef617ebcf39f4fb4bd1906d66b679e00
Complete output (69 lines):
running bdist_wheel
running build
running build_ext
-- The C compiler identification is GNU 7.5.0
-- The CXX compiler identification is GNU 7.5.0
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working C compiler: /usr/bin/cc - skipped
-- Detecting C compile features
-- Detecting C compile features - done
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Check for working CXX compiler: /usr/bin/c++ - skipped
-- Detecting CXX compile features
-- Detecting CXX compile features - done
GMP_INCLUDES=GMP_INCLUDES-NOTFOUND
CMake Error at /snap/cmake/870/share/cmake-3.20/Modules/FindPackageHandleStandardArgs.cmake:230 (message):
Could NOT find GMP (missing: GMP_INCLUDES GMP_LIBRARIES GMP_VERSION_OK)
(Required is at least version "5.1.0")
Call Stack (most recent call first):
/snap/cmake/870/share/cmake-3.20/Modules/FindPackageHandleStandardArgs.cmake:594 (_FPHSA_FAILURE_MESSAGE)
cmake/FindGMP.cmake:74 (find_package_handle_standard_args)
CMakeLists.txt:17 (find_package)

-- Configuring incomplete, errors occurred!
See also "/ipfs/tmpdir/pip-install-jgg5wz7d/chiavdf_ef617ebcf39f4fb4bd1906d66b679e00/CMakeFiles/CMakeOutput.log".
Traceback (most recent call last):
File "/service/sun/chia-blockchain/venv/lib/python3.7/site-packages/pip/_vendor/pep517/in_process/_in_process.py", line 280, in
main()
File "/service/sun/chia-blockchain/venv/lib/python3.7/site-packages/pip/_vendor/pep517/in_process/_in_process.py", line 263, in main
json_out['return_val'] = hook(**hook_input['kwargs'])
File "/service/sun/chia-blockchain/venv/lib/python3.7/site-packages/pip/_vendor/pep517/in_process/_in_process.py", line 205, in build_wheel
metadata_directory)
File "/ipfs/tmpdir/pip-build-env-gfe45a03/overlay/lib/python3.7/site-packages/setuptools/build_meta.py", line 222, in build_wheel
wheel_directory, config_settings)
File "/ipfs/tmpdir/pip-build-env-gfe45a03/overlay/lib/python3.7/site-packages/setuptools/build_meta.py", line 207, in _build_with_temp_dir
self.run_setup()
File "/ipfs/tmpdir/pip-build-env-gfe45a03/overlay/lib/python3.7/site-packages/setuptools/build_meta.py", line 150, in run_setup
exec(compile(code, file, 'exec'), locals())
File "setup.py", line 281, in
zip_safe=False,
File "/ipfs/tmpdir/pip-build-env-gfe45a03/overlay/lib/python3.7/site-packages/setuptools/init.py", line 153, in setup
return distutils.core.setup(**attrs)
File "/usr/lib/python3.7/distutils/core.py", line 148, in setup
dist.run_commands()
File "/usr/lib/python3.7/distutils/dist.py", line 966, in run_commands
self.run_command(cmd)
File "/usr/lib/python3.7/distutils/dist.py", line 985, in run_command
cmd_obj.run()
File "/ipfs/tmpdir/pip-build-env-gfe45a03/overlay/lib/python3.7/site-packages/wheel/bdist_wheel.py", line 299, in run
self.run_command('build')
File "/usr/lib/python3.7/distutils/cmd.py", line 313, in run_command
self.distribution.run_command(command)
File "/usr/lib/python3.7/distutils/dist.py", line 985, in run_command
cmd_obj.run()
File "/usr/lib/python3.7/distutils/command/build.py", line 135, in run
self.run_command(cmd_name)
File "/usr/lib/python3.7/distutils/cmd.py", line 313, in run_command
self.distribution.run_command(command)
File "/usr/lib/python3.7/distutils/dist.py", line 985, in run_command
cmd_obj.run()
File "setup.py", line 112, in run
self.build_extension(ext)
File "setup.py", line 139, in build_extension
subprocess.check_call(["cmake", ext.sourcedir] + cmake_args, env=env)
File "/usr/lib/python3.7/subprocess.py", line 328, in check_call
raise CalledProcessError(retcode, cmd)
subprocess.CalledProcessError: Command '['cmake', '/ipfs/tmpdir/pip-install-jgg5wz7d/chiavdf_ef617ebcf39f4fb4bd1906d66b679e00/src', '-DCMAKE_LIBRARY_OUTPUT_DIRECTORY=/ipfs/tmpdir/pip-install-jgg5wz7d/chiavdf_ef617ebcf39f4fb4bd1906d66b679e00/build/lib.linux-x86_64-3.7', '-DPYTHON_EXECUTABLE=/service/sun/chia-blockchain/venv/bin/python', '-DCMAKE_BUILD_TYPE=Release']' returned non-zero exit status 1.

ERROR: Failed building wheel for chiavdf
Failed to build chiavdf
ERROR: Could not build wheels for chiavdf which use PEP 517 and cannot be installed directly

[lvcivs]

Why do you want to install a timelord? It is not needed for normal use (plotting, farming).

[arde2020]

OK ,I understand I do not use the timelord so I ignore the problem

[arde2020]

Thanks very much