error: invalid argument '-std=c99' not allowed with 'C++/ObjC++'

[huseinzol05]

Rusydi Yusof, [15 Dec 2018 at 3:18:14 PM]:
Command "/Users/udieusop/anaconda3/bin/python -u -c "import setuptools, tokenize;file='/private/var/folders/h6/l4b_lxp55fv4wbqgzhhzc0wh0000gp/T/pip-install-w3owxhfo/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/h6/l4b_lxp55fv4wbqgzhhzc0wh0000gp/T/pip-record-gaabno2f/install-record.txt --single-version-externally-managed --compile" failed with error code 1 in /private/var/folders/h6/l4b_lxp55fv4wbqgzhhzc0wh0000gp/T/pip-install-w3owxhfo/python-crfsuite/

error: invalid argument '-std=c99' not allowed with 'C++/ObjC++'
error: command 'gcc' failed with exit status 1

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Failed building wheel for python-crfsuite
Running setup.py clean for python-crfsuite

[huseinzol05]

Fix this with,

conda install -c conda-forge python-crfsuite