Failed to install the package because of dependent package

[Kensuke-Mitsuzawa]

Issue

The setup is failed because of compiling error of neologdn.

    Complete output from command /Users/kensuke-mi/.pyenv/versions/anaconda3-4.0.0/bin/python -u -c "import setuptools, tokenize;__file__='/private/var/folders/sp/z0_0lktj7nn2s31db2dt5md40000gq/T/pip-build-_kqnspts/neologdn/setup.py';f=getattr(tokenize, 'open', open)(__file__);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, __file__, 'exec'))" install --record /var/folders/sp/z0_0lktj7nn2s31db2dt5md40000gq/T/pip-hylasjm2-record/install-record.txt --single-version-externally-managed --compile:
    running install
    running build
    running build_ext
    building 'neologdn' extension
    creating build
    creating build/temp.macosx-10.6-x86_64-3.5
    /usr/bin/clang -Wno-unused-result -Wsign-compare -Wunreachable-code -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -I/Users/kensuke-mi/.pyenv/versions/anaconda3-4.0.0/include -arch x86_64 -I/Users/kensuke-mi/.pyenv/versions/anaconda3-4.0.0/include/python3.5m -c neologdn.cpp -o build/temp.macosx-10.6-x86_64-3.5/neologdn.o -std=c++11
    neologdn.cpp:255:10: fatal error: 'unordered_map' file not found
    #include <unordered_map>
             ^
    1 error generated.
    error: command '/usr/bin/clang' failed with exit status 1

Solution

try to avoid installing neologdn when it happens compiling error.