Installation Error for python-crfsuite on MacOS - python-3.x

Question

I want to install crfsuite for python3 using
pip3 install python-crfsuite
but it throws an error.
Building wheel for python-crfsuite (setup.py) ... error
ERROR: Command errored out with exit status 1:
command: /Library/Frameworks/Python.framework/Versions/3.7/bin
/python3 -u -c 'import sys, setuptools, tokenize; sys.argv[0] =
'"'"'/private/var/folders/v7/q8v7r4xs6bzc7fpl1xlb3zgh0000gn/T/pip-
install-jcwoi004/python-crfsuite/setup.py'"'"';
__file__='"'"'/private/var/folders
/v7/q8v7r4xs6bzc7fpl1xlb3zgh0000gn/T/pip-install-jcwoi004/python-
crfsuite/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 /private/var/folders
/v7/q8v7r4xs6bzc7fpl1xlb3zgh0000gn/T/pip-wheel-evw_5zco --python-
tag cp37
cwd: /private/var/folders/v7/q8v7r4xs6bzc7fpl1xlb3zgh0000gn
/T/pip-install-jcwoi004/python-crfsuite/
Complete output (25 lines):
running bdist_wheel
running build
running build_py
creating build
creating build/lib.macosx-10.9-x86_64-3.7
creating build/lib.macosx-10.9-x86_64-3.7/pycrfsuite
copying pycrfsuite/__init__.py -> build/lib.macosx-10.9-
x86_64-3.7/pycrfsuite
copying pycrfsuite/_dumpparser.py -> build/lib.macosx-10.9-
x86_64-3.7/pycrfsuite
copying pycrfsuite/_logparser.py -> build/lib.macosx-10.9-
x86_64-3.7/pycrfsuite
running build_ext
building 'pycrfsuite._pycrfsuite' extension
creating build/temp.macosx-10.9-x86_64-3.7
creating build/temp.macosx-10.9-x86_64-3.7/pycrfsuite
creating build/temp.macosx-10.9-x86_64-3.7/crfsuite
creating build/temp.macosx-10.9-x86_64-3.7/crfsuite/lib
creating build/temp.macosx-10.9-x86_64-3.7/crfsuite/lib/crf
creating build/temp.macosx-10.9-x86_64-3.7/crfsuite
/lib/crf/src
creating build/temp.macosx-10.9-x86_64-3.7/crfsuite/swig
creating build/temp.macosx-10.9-x86_64-3.7/crfsuite/lib/cqdb
creating build/temp.macosx-10.9-x86_64-3.7/crfsuite/lib/cqdb/src
creating build/temp.macosx-10.9-x86_64-3.7/liblbfgs
creating build/temp.macosx-10.9-x86_64-3.7/liblbfgs/lib
gcc -Wno-unused-result -Wsign-compare -Wunreachable-code -fno-
common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch x86_64 -g
-Icrfsuite/include/ -Icrfsuite/lib/cqdb/include -Iliblbfgs/include
-Ipycrfsuite -I/Library/Frameworks/Python.framework/Versions
/3.7/include/python3.7m -c pycrfsuite/_pycrfsuite.cpp -o
build/temp.macosx-10.9-x86_64-3.7/pycrfsuite/_pycrfsuite.o -std=c99
error: invalid argument '-std=c99' not allowed with 'C++/ObjC++'
error: command 'gcc' failed with exit status 1
----------------------------------------
ERROR: Failed building wheel for python-crfsuite
Running setup.py clean for python-crfsuite
Failed to build python-crfsuite
Installing collected packages: python-crfsuite
Running setup.py install for python-crfsuite ... error
ERROR: Command errored out with exit status 1:
command: /Library/Frameworks/Python.framework/Versions/3.7/bin
/python3 -u -c 'import sys, setuptools, tokenize; sys.argv[0] =
'"'"'/private/var/folders/v7/q8v7r4xs6bzc7fpl1xlb3zgh0000gn/T/pip-
install-jcwoi004/python-crfsuite/setup.py'"'"';
__file__='"'"'/private/var/folders
/v7/q8v7r4xs6bzc7fpl1xlb3zgh0000gn/T/pip-install-jcwoi004/python-
crfsuite/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"',
open)(__file__);code=f.read().replace('"'"'\r\n'"'"',
'"'"'\n'"'"');f.close();exec(compile(code, __file__,
'"'"'exec'"'"'))' install --record /private/var/folders
/v7/q8v7r4xs6bzc7fpl1xlb3zgh0000gn/T/pip-record-xhn2aymp/install-
record.txt --single-version-externally-managed --compile
cwd: /private/var/folders
/v7/q8v7r4xs6bzc7fpl1xlb3zgh0000gn/T/pip-install-jcwoi004/python-
crfsuite/
Complete output (25 lines):
running install
running build
running build_py
creating build
creating build/lib.macosx-10.9-x86_64-3.7
creating build/lib.macosx-10.9-x86_64-3.7/pycrfsuite
copying pycrfsuite/__init__.py -> build/lib.macosx-10.9-
x86_64-3.7/pycrfsuite
copying pycrfsuite/_dumpparser.py -> build/lib.macosx-10.9-
x86_64-3.7/pycrfsuite
copying pycrfsuite/_logparser.py -> build/lib.macosx-10.9-
x86_64-3.7/pycrfsuite
running build_ext
building 'pycrfsuite._pycrfsuite' extension
creating build/temp.macosx-10.9-x86_64-3.7
creating build/temp.macosx-10.9-x86_64-3.7/pycrfsuite
creating build/temp.macosx-10.9-x86_64-3.7/crfsuite
creating build/temp.macosx-10.9-x86_64-3.7/crfsuite/lib
creating build/temp.macosx-10.9-x86_64-3.7/crfsuite/lib/crf
creating build/temp.macosx-10.9-x86_64-3.7/crfsuite/lib/crf/src
creating build/temp.macosx-10.9-x86_64-3.7/crfsuite/swig
creating build/temp.macosx-10.9-x86_64-3.7/crfsuite/lib/cqdb
creating build/temp.macosx-10.9-x86_64-3.7/crfsuite
/lib/cqdb/src
creating build/temp.macosx-10.9-x86_64-3.7/liblbfgs
creating build/temp.macosx-10.9-x86_64-3.7/liblbfgs/lib
gcc -Wno-unused-result -Wsign-compare -Wunreachable-code -fno-
common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch x86_64 -g
-Icrfsuite/include/ -Icrfsuite/lib/cqdb/include -Iliblbfgs/include
-Ipycrfsuite -I/Library/Frameworks/Python.framework/Versions
/3.7/include/python3.7m -c pycrfsuite/_pycrfsuite.cpp -o
build/temp.macosx-10.9-x86_64-3.7/pycrfsuite/_pycrfsuite.o -std=c99
error: invalid argument '-std=c99' not allowed with
'C++/ObjC++'
error: command 'gcc' failed with exit status 1
----------------------------------------
ERROR: Command errored out with exit status 1: /Library/Frameworks
/Python.framework/Versions/3.7/bin/python3 -u -c 'import sys,
setuptools, tokenize; sys.argv[0] = '"'"'/private/var/folders
/v7/q8v7r4xs6bzc7fpl1xlb3zgh0000gn/T/pip-install-jcwoi004/python-
crfsuite/setup.py'"'"'; __file__='"'"'/private/var/folders
/v7/q8v7r4xs6bzc7fpl1xlb3zgh0000gn/T/pip-install-jcwoi004/python-
crfsuite/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"',
open)(__file__);code=f.read().replace('"'"'\r\n'"'"',
'"'"'\n'"'"');f.close();exec(compile(code, __file__,
'"'"'exec'"'"'))' install --record /private/var/folders
/v7/q8v7r4xs6bzc7fpl1xlb3zgh0000gn/T/pip-record-xhn2aymp/install-
record.txt --single-version-externally-managed --compile Check the
logs for full command output.
I haven't seen anyone else with the same problem, perhaps it's something obvious that I just can't see. I'm also new to MacOS and this didn't happen to me on Windows.
the pip version is 19.2.3 .
If somebody could please help me with this.

Answer 1

There are a bunch of issues about this problem on the github repo, but are mostly closed with a reference to just use conda install, which is not really applicable in this case. One of them is mentioned in a pull request removing the flag causing the problem, so you might try installing from source, using the version from the pedning pull request like so:
pip install git+git://github.com/kvinwang/python-crfsuite.git#fix69