title: Is it possible to install SpaCy to Raspberry Pi 4 Raspbian Buster
body: <p>I have been stuck at installing SpaCy the entire day.</p>
  
  <pre><code>sudo pip install -U spacy
  
  Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple
  Collecting spacy
    Using cached https://files.pythonhosted...
    Installing build dependencies ... done
      Complete output from command python setup.py egg_info:
        Failed building wheel for blis
      ERROR: Failed to build one or more wheels
      Traceback (most recent call last):
        File "/tmp/pip-build-env-e4fo917j/lib/python3.7/site-packages/setuptools/installer.py", line 128, in fetch_build_egg
          subprocess.check_call(cmd)
        File "/usr/lib/python3.7/subprocess.py", line 347, in check_call
          raise CalledProcessError(retcode, cmd)
      subprocess.CalledProcessError: Command '['/usr/bin/python', '-m', 'pip', '--disable-pip-version-check', 'wheel', '--no-deps', '-w', '/tmp/tmpgp2s1vb0', '--quiet', 'blis&lt;0.5.0,&gt;=0.4.0']' returned non-zero exit status 1.
  
      During handling of the above exception, another exception occurred:
  
      Traceback (most recent call last):
        File "&lt;string&gt;", line 1, in &lt;module&gt;
        File "/tmp/pip-install-avn68ykf/spacy/setup.py", line 200, in &lt;module&gt;
          setup_package()
        File "/tmp/pip-install-avn68ykf/spacy/setup.py", line 195, in setup_package
          cmdclass={"build_ext": build_ext_subclass},
        File "/tmp/pip-build-env-e4fo917j/lib/python3.7/site-packages/setuptools/__init__.py", line 144, in setup
          _install_setup_requires(attrs)
        File "/tmp/pip-build-env-e4fo917j/lib/python3.7/site-packages/setuptools/__init__.py", line 139, in _install_setup_requires
          dist.fetch_build_eggs(dist.setup_requires)
        File "/tmp/pip-build-env-e4fo917j/lib/python3.7/site-packages/setuptools/dist.py", line 721, in fetch_build_eggs
          replace_conflicting=True,
        File "/tmp/pip-build-env-e4fo917j/lib/python3.7/site-packages/pkg_resources/__init__.py", line 783, in resolve
          replace_conflicting=replace_conflicting
        File "/tmp/pip-build-env-e4fo917j/lib/python3.7/site-packages/pkg_resources/__init__.py", line 1066, in best_match
          return self.obtain(req, installer)
        File "/tmp/pip-build-env-e4fo917j/lib/python3.7/site-packages/pkg_resources/__init__.py", line 1078, in obtain
          return installer(requirement)
        File "/tmp/pip-build-env-e4fo917j/lib/python3.7/site-packages/setuptools/dist.py", line 777, in fetch_build_egg
          return fetch_build_egg(self, req)
        File "/tmp/pip-build-env-e4fo917j/lib/python3.7/site-packages/setuptools/installer.py", line 130, in fetch_build_egg
          raise DistutilsError(str(e))
      distutils.errors.DistutilsError: Command '['/usr/bin/python', '-m', 'pip', '--disable-pip-version-check', 'wheel', '--no-deps', '-w', '/tmp/tmpgp2s1vb0', '--quiet', 'blis&lt;0.5.0,&gt;=0.4.0']' returned non-zero exit status 1.
  
      ----------------------------------------
  Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-install-avn68ykf/spacy/
  </code></pre>
  
  <p>I just wondering is it possible to install it on ARM(armv7l) architecture?</p>
  
  <hr>
  
  <p>updated: also tried to <a href="https://spacy.io/usage#source" rel="nofollow noreferrer">install from source</a>, here is the error:</p>
  
  <pre><code>sudo pip install -r requirements.txt 
  
  Ignoring pathlib: markers 'python_version &lt; "3.4"' don't match your environment
  Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple
  Requirement already satisfied: cymem&lt;2.1.0,&gt;=2.0.2 in /usr/local/lib/python3.7/dist-packages (from -r requirements.txt (line 2)) (2.0.3)
  Requirement already satisfied: preshed&lt;3.1.0,&gt;=3.0.2 in /usr/local/lib/python3.7/dist-packages (from -r requirements.txt (line 3)) (3.0.2)
  Collecting thinc==7.4.0.dev0 (from -r requirements.txt (line 4))
    Using cached https://www.piwheels.org/simple/thinc/thinc-7.4.0.dev0-cp37-cp37m-linux_armv7l.whl
  Requirement already satisfied: murmurhash&lt;1.1.0,&gt;=0.28.0 ...
  Requirement already satisfied: wasabi&lt;1.1.0,&gt;=0.4.0 ...
  Requirement already satisfied: srsly&lt;1.1.0,&gt;=0.1.0 ...
  Requirement already satisfied: catalogue&lt;1.1.0,&gt;=0.0.7 ...
  Requirement already satisfied: numpy&gt;=1.15.0 in ...
  Requirement already satisfied: requests&lt;3.0.0,&gt;=2.13.0 ...
  Requirement already satisfied: plac&lt;1.2.0,&gt;=0.9.6 ...
  Requirement already satisfied: tqdm&lt;5.0.0,&gt;=4.38.0 ...
  Collecting jsonschema&lt;3.1.0,&gt;=2.6.0 (from -r requirements.txt (line 17))
    Using cached https://files.pythonhosted.org/packages/54/48/f5f11003ceddcd4ad292d4d9b5677588e9169eef41f88e38b2888e7ec6c4/jsonschema-3.0.2-py2.py3-none-any.whl
  Requirement already satisfied: cython&gt;=0.25 ...
  Collecting pytest&gt;=4.6.5 (from -r requirements.txt (line 20))
    Using cached https://files.pythonhosted.org/packages/0b/2d/75def2ed660903839bab38a1cadf819726637a0c3c78951de7e67a97a7c3/pytest-5.3.4-py3-none-any.whl
  Collecting pytest-timeout&lt;2.0.0,&gt;=1.3.0 (from -r requirements.txt (line 21))
    Using cached https://files.pythonhosted.org/packages/de/23/048cd3a3e03a35c45df4f7ce9fb2ce5fb424479633cceb46143debeafc2f/pytest_timeout-1.3.4-py2.py3-none-any.whl
  Collecting mock&lt;3.0.0,&gt;=2.0.0 (from -r requirements.txt (line 22))
    Using cached https://files.pythonhosted.org/packages/e6/35/f187bdf23be87092bd0f1200d43d23076cee4d0dec109f195173fd3ebc79/mock-2.0.0-py2.py3-none-any.whl
  Collecting flake8&lt;3.6.0,&gt;=3.5.0 (from -r requirements.txt (line 23))
    Using cached https://files.pythonhosted.org/packages/b9/dc/14e9d94c770b8c4ef584e906c7583e74864786a58d47de101f2767d50c0b/flake8-3.5.0-py2.py3-none-any.whl
  Collecting blis&lt;0.5.0,&gt;=0.4.0 (from thinc==7.4.0.dev0-&gt;-r requirements.txt (line 4))
    Using cached https://files.pythonhosted.org/packages/98/5a/f9b8a78e3d1fdde1b0215413d88ab55d907ab81f95b62418a6e9cda30dec/blis-0.4.1.tar.gz
  Requirement already satisfied: importlib-metadata&gt;=0.20; python_version &lt; "3.8" ...
  Requirement already satisfied: six&gt;=1.11.0 ...
  Requirement already satisfied: setuptools ...
  Collecting pyrsistent&gt;=0.14.0 (from jsonschema&lt;3.1.0,&gt;=2.6.0-&gt;-r requirements.txt (line 17))
    Using cached https://www.piwheels.org/simple/pyrsistent/pyrsistent-0.15.7-cp37-cp37m-linux_armv7l.whl
  Collecting attrs&gt;=17.4.0 (from jsonschema&lt;3.1.0,&gt;=2.6.0-&gt;-r requirements.txt (line 17))
    Using cached https://files.pythonhosted.org/packages/a2/db/4313ab3be961f7a763066401fb77f7748373b6094076ae2bda2806988af6/attrs-19.3.0-py2.py3-none-any.whl
  Collecting pluggy&lt;1.0,&gt;=0.12 (from pytest&gt;=4.6.5-&gt;-r requirements.txt (line 20))
    Using cached https://files.pythonhosted.org/packages/a0/28/85c7aa31b80d150b772fbe4a229487bc6644da9ccb7e427dd8cc60cb8a62/pluggy-0.13.1-py2.py3-none-any.whl
  Requirement already satisfied: wcwidth in /usr/lib/python3/dist-packages (from pytest&gt;=4.6.5-&gt;-r requirements.txt (line 20)) (0.1.7)
  Collecting packaging (from pytest&gt;=4.6.5-&gt;-r requirements.txt (line 20))
    Using cached https://files.pythonhosted.org/packages/98/42/87c585dd3b113c775e65fd6b8d9d0a43abe1819c471d7af702d4e01e9b20/packaging-20.1-py2.py3-none-any.whl
  Collecting more-itertools&gt;=4.0.0 (from pytest&gt;=4.6.5-&gt;-r requirements.txt (line 20))
    Using cached https://files.pythonhosted.org/packages/bc/e2/3206a70758a21f9878fcf9478282bb68fbc66a5564718f9ed724c3f2bb52/more_itertools-8.1.0-py3-none-any.whl
  Collecting py&gt;=1.5.0 (from pytest&gt;=4.6.5-&gt;-r requirements.txt (line 20))
    Using cached https://files.pythonhosted.org/packages/99/8d/21e1767c009211a62a8e3067280bfce76e89c9f876180308515942304d2d/py-1.8.1-py2.py3-none-any.whl
  Collecting pbr&gt;=0.11 (from mock&lt;3.0.0,&gt;=2.0.0-&gt;-r requirements.txt (line 22))
    Using cached https://files.pythonhosted.org/packages/7a/db/a968fd7beb9fe06901c1841cb25c9ccb666ca1b9a19b114d1bbedf1126fc/pbr-5.4.4-py2.py3-none-any.whl
  Collecting pycodestyle&lt;2.4.0,&gt;=2.0.0 (from flake8&lt;3.6.0,&gt;=3.5.0-&gt;-r requirements.txt (line 23))
    Using cached https://files.pythonhosted.org/packages/e4/81/78fe51eb4038d1388b7217dd63770b0f428370207125047312886c923b26/pycodestyle-2.3.1-py2.py3-none-any.whl
  Requirement already satisfied: mccabe&lt;0.7.0,&gt;=0.6.0 in /usr/lib/python3/dist-packages (from flake8&lt;3.6.0,&gt;=3.5.0-&gt;-r requirements.txt (line 23)) (0.6.1)
  Collecting pyflakes&lt;1.7.0,&gt;=1.5.0 (from flake8&lt;3.6.0,&gt;=3.5.0-&gt;-r requirements.txt (line 23))
    Using cached https://files.pythonhosted.org/packages/d7/40/733bcc64da3161ae4122c11e88269f276358ca29335468005cb0ee538665/pyflakes-1.6.0-py2.py3-none-any.whl
  Requirement already satisfied: zipp&gt;=0.5 in /usr/local/lib/python3.7/dist-packages (from importlib-metadata&gt;=0.20; python_version &lt; "3.8"-&gt;catalogue&lt;1.1.0,&gt;=0.0.7-&gt;-r requirements.txt (line 9)) (2.1.0)
  Requirement already satisfied: pyparsing&gt;=2.0.2 in /usr/lib/python3/dist-packages (from packaging-&gt;pytest&gt;=4.6.5-&gt;-r requirements.txt (line 20)) (2.2.0)
  Building wheels for collected packages: blis
    Running setup.py bdist_wheel for blis ... error
    Complete output from command /usr/bin/python -u -c "import setuptools, tokenize;__file__='/tmp/pip-install-sh0bcfbq/blis/setup.py';f=getattr(tokenize, 'open', open)(__file__);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, __file__, 'exec'))" bdist_wheel -d /tmp/pip-wheel-hbtbd3ev --python-tag cp37:
    BLIS_COMPILER? None
    running bdist_wheel
    running build
    running build_py
    creating build
    creating build/lib.linux-armv7l-3.7
    creating build/lib.linux-armv7l-3.7/blis
    copying blis/benchmark.py -&gt; build/lib.linux-armv7l-3.7/blis
    copying blis/__init__.py -&gt; build/lib.linux-armv7l-3.7/blis
    copying blis/about.py -&gt; build/lib.linux-armv7l-3.7/blis
    creating build/lib.linux-armv7l-3.7/blis/tests
    copying blis/tests/test_gemm.py -&gt; build/lib.linux-armv7l-3.7/blis/tests
    copying blis/tests/__init__.py -&gt; build/lib.linux-armv7l-3.7/blis/tests
    copying blis/tests/test_dotv.py -&gt; build/lib.linux-armv7l-3.7/blis/tests
    copying blis/tests/common.py -&gt; build/lib.linux-armv7l-3.7/blis/tests
    copying blis/cy.pyx -&gt; build/lib.linux-armv7l-3.7/blis
    copying blis/py.pyx -&gt; build/lib.linux-armv7l-3.7/blis
    copying blis/cy.pxd -&gt; build/lib.linux-armv7l-3.7/blis
    copying blis/__init__.pxd -&gt; build/lib.linux-armv7l-3.7/blis
    running build_ext
    /usr/local/lib/python3.7/dist-packages/Cython/Compiler/Main.py:369: FutureWarning: Cython directive 'language_level' not set, using 2 for now (Py2). This will change in a later release! File: /tmp/pip-install-sh0bcfbq/blis/blis/cy.pxd
      tree = Parsing.p_module(s, pxd, full_module_name)
    /usr/local/lib/python3.7/dist-packages/Cython/Compiler/Main.py:369: FutureWarning: Cython directive 'language_level' not set, using 2 for now (Py2). This will change in a later release! File: /tmp/pip-install-sh0bcfbq/blis/blis/py.pyx
      tree = Parsing.p_module(s, pxd, full_module_name)
    Processing blis/cy.pyx
    Processing blis/py.pyx
    unix
    py_compiler gcc
    {'BLIS_ARCH': 'generic', 'HOSTNAME': 'aa9d42588791', 'SSL_CERT_FILE': '/opt/_internal/certs.pem', 'TERM': 'xterm', 'OLDPWD': '/usr/local/repos/cython-blis', 'LD_LIBRARY_PATH': '/opt/rh/devtoolset-2/root/usr/lib64:/opt/rh/devtoolset-2/root/usr/lib:/usr/local/lib64:/usr/local/lib', 'LS_COLORS': 'no=00:fi=00:di=00;34:ln=00;36:pi=40;33:so=00;35:bd=40;33;01:cd=40;33;01:or=01;05;37;41:mi=01;05;37;41:ex=00;32:*.cmd=00;32:*.exe=00;32:*.com=00;32:*.btm=00;32:*.bat=00;32:*.sh=00;32:*.csh=00;32:*.tar=00;31:*.tgz=00;31:*.arj=00;31:*.taz=00;31:*.lzh=00;31:*.zip=00;31:*.z=00;31:*.Z=00;31:*.gz=00;31:*.bz2=00;31:*.bz=00;31:*.tz=00;31:*.rpm=00;31:*.cpio=00;31:*.jpg=00;35:*.gif=00;35:*.bmp=00;35:*.xbm=00;35:*.xpm=00;35:*.png=00;35:*.tif=00;35:', 'VIRTUAL_ENV': '/usr/local/repos/cython-blis/env3.6', 'PATH': '/usr/local/repos/cython-blis/env3.6/bin:/opt/rh/devtoolset-2/root/usr/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin', 'PWD': '/usr/local/repos/cython-blis/flame-blis', 'BLIS_ARCh': 'generic', 'LANG': 'en_US.UTF-8', 'HOME': '/root', 'SHLVL': '2', 'LANGUAGE': 'en_US.UTF-8', 'BLIS_ARC': 'generic', 'AUDITWHEEL_PLAT': 'manylinux1_x86_64', 'PKG_CONFIG_PATH': '/usr/local/lib/pkgconfig', 'LESSOPEN': '|/usr/bin/lesspipe.sh %s', 'G_BROKEN_FILENAMES': '1', '_': '/usr/local/repos/cython-blis/env3.6/bin/python'}
    gcc -c /tmp/pip-install-sh0bcfbq/blis/blis/_src/config/generic/bli_cntx_init_generic.c -o /tmp/tmpday66tmd/bli_cntx_init_generic.o -O3 -fPIC -std=c99 -D_POSIX_C_SOURCE=200112L -DBLIS_VERSION_STRING="0.5.1" -DBLIS_IS_BUILDING_LIBRARY -Iinclude/linux-x86_64 -I./frame/3/ -I./frame/ind/ukernels/ -I./frame/1m/ -I./frame/1f/ -I./frame/1/ -I./frame/include -I/tmp/pip-install-sh0bcfbq/blis/blis/_src/include/linux-x86_64
    gcc -c /tmp/pip-install-sh0bcfbq/blis/blis/_src/config/haswell/bli_cntx_init_haswell.c -o /tmp/tmpday66tmd/bli_cntx_init_haswell.o -O3 -fPIC -std=c99 -D_POSIX_C_SOURCE=200112L -DBLIS_VERSION_STRING="0.5.1" -DBLIS_IS_BUILDING_LIBRARY -Iinclude/linux-x86_64 -I./frame/3/ -I./frame/ind/ukernels/ -I./frame/1m/ -I./frame/1f/ -I./frame/1/ -I./frame/include -I/tmp/pip-install-sh0bcfbq/blis/blis/_src/include/linux-x86_64
    gcc -c /tmp/pip-install-sh0bcfbq/blis/blis/_src/config/penryn/bli_cntx_init_penryn.c -o /tmp/tmpday66tmd/bli_cntx_init_penryn.o -O3 -fPIC -std=c99 -D_POSIX_C_SOURCE=200112L -DBLIS_VERSION_STRING="0.5.1" -DBLIS_IS_BUILDING_LIBRARY -Iinclude/linux-x86_64 -I./frame/3/ -I./frame/ind/ukernels/ -I./frame/1m/ -I./frame/1f/ -I./frame/1/ -I./frame/include -I/tmp/pip-install-sh0bcfbq/blis/blis/_src/include/linux-x86_64
    gcc -c /tmp/pip-install-sh0bcfbq/blis/blis/_src/config/piledriver/bli_cntx_init_piledriver.c -o /tmp/tmpday66tmd/bli_cntx_init_piledriver.o -O3 -fPIC -std=c99 -D_POSIX_C_SOURCE=200112L -DBLIS_VERSION_STRING="0.5.1" -DBLIS_IS_BUILDING_LIBRARY -Iinclude/linux-x86_64 -I./frame/3/ -I./frame/ind/ukernels/ -I./frame/1m/ -I./frame/1f/ -I./frame/1/ -I./frame/include -I/tmp/pip-install-sh0bcfbq/blis/blis/_src/include/linux-x86_64
    gcc -c /tmp/pip-install-sh0bcfbq/blis/blis/_src/config/sandybridge/bli_cntx_init_sandybridge.c -o /tmp/tmpday66tmd/bli_cntx_init_sandybridge.o -O3 -fPIC -std=c99 -D_POSIX_C_SOURCE=200112L -DBLIS_VERSION_STRING="0.5.1" -DBLIS_IS_BUILDING_LIBRARY -Iinclude/linux-x86_64 -I./frame/3/ -I./frame/ind/ukernels/ -I./frame/1m/ -I./frame/1f/ -I./frame/1/ -I./frame/include -I/tmp/pip-install-sh0bcfbq/blis/blis/_src/include/linux-x86_64
    gcc -c /tmp/pip-install-sh0bcfbq/blis/blis/_src/config/steamroller/bli_cntx_init_steamroller.c -o /tmp/tmpday66tmd/bli_cntx_init_steamroller.o -O3 -fPIC -std=c99 -D_POSIX_C_SOURCE=200112L -DBLIS_VERSION_STRING="0.5.1" -DBLIS_IS_BUILDING_LIBRARY -Iinclude/linux-x86_64 -I./frame/3/ -I./frame/ind/ukernels/ -I./frame/1m/ -I./frame/1f/ -I./frame/1/ -I./frame/include -I/tmp/pip-install-sh0bcfbq/blis/blis/_src/include/linux-x86_64
    gcc -c /tmp/pip-install-sh0bcfbq/blis/blis/_src/kernels/zen/1/bli_amaxv_zen_int.c -o /tmp/tmpday66tmd/bli_amaxv_zen_int.o -O3 -mavx2 -mfma -mfpmath=sse -march=core-avx2 -fPIC -std=c99 -D_POSIX_C_SOURCE=200112L -DBLIS_VERSION_STRING="0.5.1" -DBLIS_IS_BUILDING_LIBRARY -Iinclude/linux-x86_64 -I./frame/3/ -I./frame/ind/ukernels/ -I./frame/1m/ -I./frame/1f/ -I./frame/1/ -I./frame/include -I/tmp/pip-install-sh0bcfbq/blis/blis/_src/include/linux-x86_64
    gcc: error: unrecognized -march target: core-avx2
    gcc: note: valid arguments are: armv2 armv2a armv3 armv3m armv4 armv4t armv5 armv5t armv5e armv5te armv5tej armv6 armv6j armv6k armv6z armv6kz armv6zk armv6t2 armv6-m armv6s-m armv7 armv7-a armv7ve armv7-r armv7-m armv7e-m armv8-a armv8.1-a armv8.2-a armv8.3-a armv8.4-a armv8-m.base armv8-m.main armv8-r iwmmxt iwmmxt2 native
    gcc: error: missing argument to ‘-march=’
    gcc: error: unrecognized command line option ‘-mavx2’
    gcc: error: unrecognized command line option ‘-mfma’
    gcc: error: unrecognized command line option ‘-mfpmath=sse’
    Traceback (most recent call last):
      File "&lt;string&gt;", line 1, in &lt;module&gt;
      File "/tmp/pip-install-sh0bcfbq/blis/setup.py", line 277, in &lt;module&gt;
        "Topic :: Scientific/Engineering",
      File "/usr/local/lib/python3.7/dist-packages/setuptools/__init__.py", line 145, 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 "/usr/lib/python3/dist-packages/wheel/bdist_wheel.py", line 188, 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 "/usr/lib/python3.7/distutils/command/build_ext.py", line 340, in run
        self.build_extensions()
      File "/tmp/pip-install-sh0bcfbq/blis/setup.py", line 103, in build_extensions
        objects = self.compile_objects(compiler.split("-")[0], arch, OBJ_DIR)
      File "/tmp/pip-install-sh0bcfbq/blis/setup.py", line 188, in compile_objects
        objects.append(self.build_object(env=env, **spec))
      File "/tmp/pip-install-sh0bcfbq/blis/setup.py", line 201, in build_object
        subprocess.check_call(command, cwd=BLIS_DIR)
      File "/usr/lib/python3.7/subprocess.py", line 347, in check_call
        raise CalledProcessError(retcode, cmd)
    subprocess.CalledProcessError: Command '['gcc', '-c', '/tmp/pip-install-sh0bcfbq/blis/blis/_src/kernels/zen/1/bli_amaxv_zen_int.c', '-o', '/tmp/tmpday66tmd/bli_amaxv_zen_int.o', '-O3', '-mavx2', '-mfma', '-mfpmath=sse', '-march=core-avx2', '-fPIC', '-std=c99', '-D_POSIX_C_SOURCE=200112L', '-DBLIS_VERSION_STRING="0.5.1"', '-DBLIS_IS_BUILDING_LIBRARY', '-Iinclude/linux-x86_64', '-I./frame/3/', '-I./frame/ind/ukernels/', '-I./frame/1m/', '-I./frame/1f/', '-I./frame/1/', '-I./frame/include', '-I/tmp/pip-install-sh0bcfbq/blis/blis/_src/include/linux-x86_64']' returned non-zero exit status 1.
  
    ----------------------------------------
    Failed building wheel for blis
    Running setup.py clean for blis
  Failed to build blis
  Installing collected packages: blis, thinc, pyrsistent, attrs, jsonschema, pluggy, packaging, more-itertools, py, pytest, pytest-timeout, pbr, mock, pycodestyle, pyflakes, flake8
    Running setup.py install for blis ... error
      Complete output from command /usr/bin/python -u -c "import setuptools, tokenize;__file__='/tmp/pip-install-sh0bcfbq/blis/setup.py';f=getattr(tokenize, 'open', open)(__file__);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, __file__, 'exec'))" install --record /tmp/pip-record-vq1exsjn/install-record.txt --single-version-externally-managed --compile:
      BLIS_COMPILER? None
      running install
      running build
      running build_py
      creating build
      creating build/lib.linux-armv7l-3.7
      creating build/lib.linux-armv7l-3.7/blis
      copying blis/benchmark.py -&gt; build/lib.linux-armv7l-3.7/blis
      copying blis/__init__.py -&gt; build/lib.linux-armv7l-3.7/blis
      copying blis/about.py -&gt; build/lib.linux-armv7l-3.7/blis
      creating build/lib.linux-armv7l-3.7/blis/tests
      copying blis/tests/test_gemm.py -&gt; build/lib.linux-armv7l-3.7/blis/tests
      copying blis/tests/__init__.py -&gt; build/lib.linux-armv7l-3.7/blis/tests
      copying blis/tests/test_dotv.py -&gt; build/lib.linux-armv7l-3.7/blis/tests
      copying blis/tests/common.py -&gt; build/lib.linux-armv7l-3.7/blis/tests
      copying blis/cy.pyx -&gt; build/lib.linux-armv7l-3.7/blis
      copying blis/py.pyx -&gt; build/lib.linux-armv7l-3.7/blis
      copying blis/cy.pxd -&gt; build/lib.linux-armv7l-3.7/blis
      copying blis/__init__.pxd -&gt; build/lib.linux-armv7l-3.7/blis
      running build_ext
      /usr/local/lib/python3.7/dist-packages/Cython/Compiler/Main.py:369: FutureWarning: Cython directive 'language_level' not set, using 2 for now (Py2). This will change in a later release! File: /tmp/pip-install-sh0bcfbq/blis/blis/cy.pxd
        tree = Parsing.p_module(s, pxd, full_module_name)
      /usr/local/lib/python3.7/dist-packages/Cython/Compiler/Main.py:369: FutureWarning: Cython directive 'language_level' not set, using 2 for now (Py2). This will change in a later release! File: /tmp/pip-install-sh0bcfbq/blis/blis/py.pyx
        tree = Parsing.p_module(s, pxd, full_module_name)
      Processing blis/cy.pyx
      Processing blis/py.pyx
      unix
      py_compiler gcc
      {'BLIS_ARCH': 'generic', 'HOSTNAME': 'aa9d42588791', 'SSL_CERT_FILE': '/opt/_internal/certs.pem', 'TERM': 'xterm', 'OLDPWD': '/usr/local/repos/cython-blis', 'LD_LIBRARY_PATH': '/opt/rh/devtoolset-2/root/usr/lib64:/opt/rh/devtoolset-2/root/usr/lib:/usr/local/lib64:/usr/local/lib', 'LS_COLORS': 'no=00:fi=00:di=00;34:ln=00;36:pi=40;33:so=00;35:bd=40;33;01:cd=40;33;01:or=01;05;37;41:mi=01;05;37;41:ex=00;32:*.cmd=00;32:*.exe=00;32:*.com=00;32:*.btm=00;32:*.bat=00;32:*.sh=00;32:*.csh=00;32:*.tar=00;31:*.tgz=00;31:*.arj=00;31:*.taz=00;31:*.lzh=00;31:*.zip=00;31:*.z=00;31:*.Z=00;31:*.gz=00;31:*.bz2=00;31:*.bz=00;31:*.tz=00;31:*.rpm=00;31:*.cpio=00;31:*.jpg=00;35:*.gif=00;35:*.bmp=00;35:*.xbm=00;35:*.xpm=00;35:*.png=00;35:*.tif=00;35:', 'VIRTUAL_ENV': '/usr/local/repos/cython-blis/env3.6', 'PATH': '/usr/local/repos/cython-blis/env3.6/bin:/opt/rh/devtoolset-2/root/usr/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin', 'PWD': '/usr/local/repos/cython-blis/flame-blis', 'BLIS_ARCh': 'generic', 'LANG': 'en_US.UTF-8', 'HOME': '/root', 'SHLVL': '2', 'LANGUAGE': 'en_US.UTF-8', 'BLIS_ARC': 'generic', 'AUDITWHEEL_PLAT': 'manylinux1_x86_64', 'PKG_CONFIG_PATH': '/usr/local/lib/pkgconfig', 'LESSOPEN': '|/usr/bin/lesspipe.sh %s', 'G_BROKEN_FILENAMES': '1', '_': '/usr/local/repos/cython-blis/env3.6/bin/python'}
      gcc -c /tmp/pip-install-sh0bcfbq/blis/blis/_src/config/generic/bli_cntx_init_generic.c -o /tmp/tmp7c_4z8c0/bli_cntx_init_generic.o -O3 -fPIC -std=c99 -D_POSIX_C_SOURCE=200112L -DBLIS_VERSION_STRING="0.5.1" -DBLIS_IS_BUILDING_LIBRARY -Iinclude/linux-x86_64 -I./frame/3/ -I./frame/ind/ukernels/ -I./frame/1m/ -I./frame/1f/ -I./frame/1/ -I./frame/include -I/tmp/pip-install-sh0bcfbq/blis/blis/_src/include/linux-x86_64
      gcc -c /tmp/pip-install-sh0bcfbq/blis/blis/_src/config/haswell/bli_cntx_init_haswell.c -o /tmp/tmp7c_4z8c0/bli_cntx_init_haswell.o -O3 -fPIC -std=c99 -D_POSIX_C_SOURCE=200112L -DBLIS_VERSION_STRING="0.5.1" -DBLIS_IS_BUILDING_LIBRARY -Iinclude/linux-x86_64 -I./frame/3/ -I./frame/ind/ukernels/ -I./frame/1m/ -I./frame/1f/ -I./frame/1/ -I./frame/include -I/tmp/pip-install-sh0bcfbq/blis/blis/_src/include/linux-x86_64
      gcc -c /tmp/pip-install-sh0bcfbq/blis/blis/_src/config/penryn/bli_cntx_init_penryn.c -o /tmp/tmp7c_4z8c0/bli_cntx_init_penryn.o -O3 -fPIC -std=c99 -D_POSIX_C_SOURCE=200112L -DBLIS_VERSION_STRING="0.5.1" -DBLIS_IS_BUILDING_LIBRARY -Iinclude/linux-x86_64 -I./frame/3/ -I./frame/ind/ukernels/ -I./frame/1m/ -I./frame/1f/ -I./frame/1/ -I./frame/include -I/tmp/pip-install-sh0bcfbq/blis/blis/_src/include/linux-x86_64
      gcc -c /tmp/pip-install-sh0bcfbq/blis/blis/_src/config/piledriver/bli_cntx_init_piledriver.c -o /tmp/tmp7c_4z8c0/bli_cntx_init_piledriver.o -O3 -fPIC -std=c99 -D_POSIX_C_SOURCE=200112L -DBLIS_VERSION_STRING="0.5.1" -DBLIS_IS_BUILDING_LIBRARY -Iinclude/linux-x86_64 -I./frame/3/ -I./frame/ind/ukernels/ -I./frame/1m/ -I./frame/1f/ -I./frame/1/ -I./frame/include -I/tmp/pip-install-sh0bcfbq/blis/blis/_src/include/linux-x86_64
      gcc -c /tmp/pip-install-sh0bcfbq/blis/blis/_src/config/sandybridge/bli_cntx_init_sandybridge.c -o /tmp/tmp7c_4z8c0/bli_cntx_init_sandybridge.o -O3 -fPIC -std=c99 -D_POSIX_C_SOURCE=200112L -DBLIS_VERSION_STRING="0.5.1" -DBLIS_IS_BUILDING_LIBRARY -Iinclude/linux-x86_64 -I./frame/3/ -I./frame/ind/ukernels/ -I./frame/1m/ -I./frame/1f/ -I./frame/1/ -I./frame/include -I/tmp/pip-install-sh0bcfbq/blis/blis/_src/include/linux-x86_64
      gcc -c /tmp/pip-install-sh0bcfbq/blis/blis/_src/config/steamroller/bli_cntx_init_steamroller.c -o /tmp/tmp7c_4z8c0/bli_cntx_init_steamroller.o -O3 -fPIC -std=c99 -D_POSIX_C_SOURCE=200112L -DBLIS_VERSION_STRING="0.5.1" -DBLIS_IS_BUILDING_LIBRARY -Iinclude/linux-x86_64 -I./frame/3/ -I./frame/ind/ukernels/ -I./frame/1m/ -I./frame/1f/ -I./frame/1/ -I./frame/include -I/tmp/pip-install-sh0bcfbq/blis/blis/_src/include/linux-x86_64
      gcc -c /tmp/pip-install-sh0bcfbq/blis/blis/_src/kernels/zen/1/bli_amaxv_zen_int.c -o /tmp/tmp7c_4z8c0/bli_amaxv_zen_int.o -O3 -mavx2 -mfma -mfpmath=sse -march=core-avx2 -fPIC -std=c99 -D_POSIX_C_SOURCE=200112L -DBLIS_VERSION_STRING="0.5.1" -DBLIS_IS_BUILDING_LIBRARY -Iinclude/linux-x86_64 -I./frame/3/ -I./frame/ind/ukernels/ -I./frame/1m/ -I./frame/1f/ -I./frame/1/ -I./frame/include -I/tmp/pip-install-sh0bcfbq/blis/blis/_src/include/linux-x86_64
      gcc: error: unrecognized -march target: core-avx2
      gcc: note: valid arguments are: armv2 armv2a armv3 armv3m armv4 armv4t armv5 armv5t armv5e armv5te armv5tej armv6 armv6j armv6k armv6z armv6kz armv6zk armv6t2 armv6-m armv6s-m armv7 armv7-a armv7ve armv7-r armv7-m armv7e-m armv8-a armv8.1-a armv8.2-a armv8.3-a armv8.4-a armv8-m.base armv8-m.main armv8-r iwmmxt iwmmxt2 native
      gcc: error: missing argument to ‘-march=’
      gcc: error: unrecognized command line option ‘-mavx2’
      gcc: error: unrecognized command line option ‘-mfma’
      gcc: error: unrecognized command line option ‘-mfpmath=sse’
      Traceback (most recent call last):
        File "&lt;string&gt;", line 1, in &lt;module&gt;
        File "/tmp/pip-install-sh0bcfbq/blis/setup.py", line 277, in &lt;module&gt;
          "Topic :: Scientific/Engineering",
        File "/usr/local/lib/python3.7/dist-packages/setuptools/__init__.py", line 145, 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 "/usr/local/lib/python3.7/dist-packages/setuptools/command/install.py", line 61, in run
          return orig.install.run(self)
        File "/usr/lib/python3.7/distutils/command/install.py", line 589, 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 "/usr/lib/python3.7/distutils/command/build_ext.py", line 340, in run
          self.build_extensions()
        File "/tmp/pip-install-sh0bcfbq/blis/setup.py", line 103, in build_extensions
          objects = self.compile_objects(compiler.split("-")[0], arch, OBJ_DIR)
        File "/tmp/pip-install-sh0bcfbq/blis/setup.py", line 188, in compile_objects
          objects.append(self.build_object(env=env, **spec))
        File "/tmp/pip-install-sh0bcfbq/blis/setup.py", line 201, in build_object
          subprocess.check_call(command, cwd=BLIS_DIR)
        File "/usr/lib/python3.7/subprocess.py", line 347, in check_call
          raise CalledProcessError(retcode, cmd)
      subprocess.CalledProcessError: Command '['gcc', '-c', '/tmp/pip-install-sh0bcfbq/blis/blis/_src/kernels/zen/1/bli_amaxv_zen_int.c', '-o', '/tmp/tmp7c_4z8c0/bli_amaxv_zen_int.o', '-O3', '-mavx2', '-mfma', '-mfpmath=sse', '-march=core-avx2', '-fPIC', '-std=c99', '-D_POSIX_C_SOURCE=200112L', '-DBLIS_VERSION_STRING="0.5.1"', '-DBLIS_IS_BUILDING_LIBRARY', '-Iinclude/linux-x86_64', '-I./frame/3/', '-I./frame/ind/ukernels/', '-I./frame/1m/', '-I./frame/1f/', '-I./frame/1/', '-I./frame/include', '-I/tmp/pip-install-sh0bcfbq/blis/blis/_src/include/linux-x86_64']' returned non-zero exit status 1.
  
      ----------------------------------------
  Command "/usr/bin/python -u -c "import setuptools, tokenize;__file__='/tmp/pip-install-sh0bcfbq/blis/setup.py';f=getattr(tokenize, 'open', open)(__file__);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, __file__, 'exec'))" install --record /tmp/pip-record-vq1exsjn/install-record.txt --single-version-externally-managed --compile" failed with error code 1 in /tmp/pip-install-sh0bcfbq/blis/
  </code></pre>