Error install- what am i doing wrong?

[abir1909]

Building wheel for pyre2 (PEP 517) ... error
ERROR: Command errored out with exit status 1:
command: /usr/local/opt/python@3.9/bin/python3.9 /usr/local/lib/python3.9/site-packages/pip/_vendor/pep517/in_process/_in_process.py build_wheel /var/folders/6q/k62zqc0x2_1gdjsb77y6q0cr0000gn/T/tmpo7ongjl1
cwd: /private/var/folders/6q/k62zqc0x2_1gdjsb77y6q0cr0000gn/T/pip-req-build-nn6svfgl
Complete output (95 lines):
running bdist_wheel
running build
running build_ext
-- The CXX compiler identification is AppleClang 12.0.5.12050022
-- The C compiler identification is AppleClang 12.0.5.12050022
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Check for working CXX compiler: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/c++ - skipped
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working C compiler: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/cc - skipped
-- Detecting C compile features
-- Detecting C compile features - done
-- Could NOT find pybind11 (missing: pybind11_DIR)
-- Fetching pybind11 from github
-- pybind11 v2.6.1
-- Found PythonInterp: /usr/local/Cellar/python@3.9/3.9.7/bin/python3.9 (found version "3.9.7")
-- Found PythonLibs: /usr/local/opt/python@3.9/Frameworks/Python.framework/Versions/3.9/lib/libpython3.9.dylib
-- Performing Test HAS_FLTO
-- Performing Test HAS_FLTO - Success
-- Performing Test HAS_FLTO_THIN
-- Performing Test HAS_FLTO_THIN - Success
-- Looking for pthread.h
-- Looking for pthread.h - found
-- Performing Test CMAKE_HAVE_LIBC_PTHREAD
-- Performing Test CMAKE_HAVE_LIBC_PTHREAD - Success
-- Found Threads: TRUE
-- Found Cython: /private/var/folders/6q/k62zqc0x2_1gdjsb77y6q0cr0000gn/T/pip-build-env-ez2pl7jy/overlay/bin/cython
-- Could NOT find re2 (missing: re2_DIR)
-- Trying PkgConfig
CMake Error at /private/var/folders/6q/k62zqc0x2_1gdjsb77y6q0cr0000gn/T/pip-build-env-ez2pl7jy/overlay/lib/python3.9/site-packages/cmake/data/CMake.app/Contents/share/cmake-3.21/Modules/FindPackageHandleStandardArgs.cmake:230 (message):
Could NOT find PkgConfig (missing: PKG_CONFIG_EXECUTABLE)
Call Stack (most recent call first):
/private/var/folders/6q/k62zqc0x2_1gdjsb77y6q0cr0000gn/T/pip-build-env-ez2pl7jy/overlay/lib/python3.9/site-packages/cmake/data/CMake.app/Contents/share/cmake-3.21/Modules/FindPackageHandleStandardArgs.cmake:594 (_FPHSA_FAILURE_MESSAGE)
/private/var/folders/6q/k62zqc0x2_1gdjsb77y6q0cr0000gn/T/pip-build-env-ez2pl7jy/overlay/lib/python3.9/site-packages/cmake/data/CMake.app/Contents/share/cmake-3.21/Modules/FindPkgConfig.cmake:70 (find_package_handle_standard_args)
src/CMakeLists.txt:44 (find_package)

-- Configuring incomplete, errors occurred!
See also "/private/var/folders/6q/k62zqc0x2_1gdjsb77y6q0cr0000gn/T/pip-req-build-nn6svfgl/build/temp.macosx-11-x86_64-3.9/CMakeFiles/CMakeOutput.log".
See also "/private/var/folders/6q/k62zqc0x2_1gdjsb77y6q0cr0000gn/T/pip-req-build-nn6svfgl/build/temp.macosx-11-x86_64-3.9/CMakeFiles/CMakeError.log".
Traceback (most recent call last):
File "/usr/local/lib/python3.9/site-packages/pip/_vendor/pep517/in_process/_in_process.py", line 349, in
main()
File "/usr/local/lib/python3.9/site-packages/pip/_vendor/pep517/in_process/_in_process.py", line 331, in main
json_out['return_val'] = hook(**hook_input['kwargs'])
File "/usr/local/lib/python3.9/site-packages/pip/_vendor/pep517/in_process/_in_process.py", line 248, in build_wheel
return _build_backend().build_wheel(wheel_directory, config_settings,
File "/usr/local/Cellar/python@3.9/3.9.7/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/setuptools/build_meta.py", line 221, in build_wheel
return self._build_with_temp_dir(['bdist_wheel'], '.whl',
File "/usr/local/Cellar/python@3.9/3.9.7/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/setuptools/build_meta.py", line 207, in _build_with_temp_dir
self.run_setup()
File "/usr/local/Cellar/python@3.9/3.9.7/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/setuptools/build_meta.py", line 150, in run_setup
exec(compile(code, file, 'exec'), locals())
File "setup.py", line 116, in
setup(
File "/usr/local/Cellar/python@3.9/3.9.7/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/setuptools/init.py", line 153, in setup
return distutils.core.setup(**attrs)
File "/usr/local/Cellar/python@3.9/3.9.7/Frameworks/Python.framework/Versions/3.9/lib/python3.9/distutils/core.py", line 148, in setup
dist.run_commands()
File "/usr/local/Cellar/python@3.9/3.9.7/Frameworks/Python.framework/Versions/3.9/lib/python3.9/distutils/dist.py", line 966, in run_commands
self.run_command(cmd)
File "/usr/local/Cellar/python@3.9/3.9.7/Frameworks/Python.framework/Versions/3.9/lib/python3.9/distutils/dist.py", line 985, in run_command
cmd_obj.run()
File "/usr/local/Cellar/python@3.9/3.9.7/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/wheel/bdist_wheel.py", line 299, in run
self.run_command('build')
File "/usr/local/Cellar/python@3.9/3.9.7/Frameworks/Python.framework/Versions/3.9/lib/python3.9/distutils/cmd.py", line 313, in run_command
self.distribution.run_command(command)
File "/usr/local/Cellar/python@3.9/3.9.7/Frameworks/Python.framework/Versions/3.9/lib/python3.9/distutils/dist.py", line 985, in run_command
cmd_obj.run()
File "/usr/local/Cellar/python@3.9/3.9.7/Frameworks/Python.framework/Versions/3.9/lib/python3.9/distutils/command/build.py", line 135, in run
self.run_command(cmd_name)
File "/usr/local/Cellar/python@3.9/3.9.7/Frameworks/Python.framework/Versions/3.9/lib/python3.9/distutils/cmd.py", line 313, in run_command
self.distribution.run_command(command)
File "/usr/local/Cellar/python@3.9/3.9.7/Frameworks/Python.framework/Versions/3.9/lib/python3.9/distutils/dist.py", line 985, in run_command
cmd_obj.run()
File "/usr/local/Cellar/python@3.9/3.9.7/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/setuptools/command/build_ext.py", line 79, in run
_build_ext.run(self)
File "/usr/local/Cellar/python@3.9/3.9.7/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/Cython/Distutils/old_build_ext.py", line 186, in run
_build_ext.build_ext.run(self)
File "/usr/local/Cellar/python@3.9/3.9.7/Frameworks/Python.framework/Versions/3.9/lib/python3.9/distutils/command/build_ext.py", line 340, in run
self.build_extensions()
File "/usr/local/Cellar/python@3.9/3.9.7/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/Cython/Distutils/old_build_ext.py", line 195, in build_extensions
_build_ext.build_ext.build_extensions(self)
File "/usr/local/Cellar/python@3.9/3.9.7/Frameworks/Python.framework/Versions/3.9/lib/python3.9/distutils/command/build_ext.py", line 449, in build_extensions
self._build_extensions_serial()
File "/usr/local/Cellar/python@3.9/3.9.7/Frameworks/Python.framework/Versions/3.9/lib/python3.9/distutils/command/build_ext.py", line 474, in _build_extensions_serial
self.build_extension(ext)
File "setup.py", line 108, in build_extension
subprocess.check_call(
File "/usr/local/Cellar/python@3.9/3.9.7/Frameworks/Python.framework/Versions/3.9/lib/python3.9/subprocess.py", line 373, in check_call
raise CalledProcessError(retcode, cmd)
subprocess.CalledProcessError: Command '['cmake', '/private/var/folders/6q/k62zqc0x2_1gdjsb77y6q0cr0000gn/T/pip-req-build-nn6svfgl', '-DCMAKE_LIBRARY_OUTPUT_DIRECTORY=/private/var/folders/6q/k62zqc0x2_1gdjsb77y6q0cr0000gn/T/pip-req-build-nn6svfgl/build/lib.macosx-11-x86_64-3.9/', '-DPYTHON_EXECUTABLE=/usr/local/Cellar/python@3.9/3.9.7/bin/python3.9', '-DSCM_VERSION_INFO=0.3.6', '-DCMAKE_BUILD_TYPE=RelWithDebInfo', '-GNinja']' returned non-zero exit status 1.

ERROR: Failed building wheel for pyre2
Failed to build pyre2
ERROR: Could not build wheels for pyre2 which use PEP 517 and cannot be installed directly

[VoidAny]

I would recommend going to the pyre2 github page and following the instructions there to build pyre2. After that, make sure you have all of the other dependencies installed by doing cat requirements.txt and using pip3 to install them.

That is what I did, and it worked for me.