python mojimoji のインストールがコケる


macos mojaveで

　pip3 install mojimoji

をすると下記でコケた。

pythonは
　brew install python3
でインストールしている。


Collecting mojimoji
  Using cached https://files.pythonhosted.org/packages/6e/dd/b2fde54ecfd7f66e5a39ca0fd6245480af62e0d91dbe9d6a5d4551196e67/mojimoji-0.0.8.tar.gz
Building wheels for collected packages: mojimoji
  Running setup.py bdist_wheel for mojimoji ... error
  Complete output from command /usr/local/opt/python/bin/python3.7 -u -c "import setuptools, tokenize;__file__='/private/var/folders/y3/pbwjdvvd6g3f5ykh8qczlyd00000gn/T/pip-install-0fq2nxsl/mojimoji/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/y3/pbwjdvvd6g3f5ykh8qczlyd00000gn/T/pip-wheel-w0ld4uog --python-tag cp37:
  running bdist_wheel
  running build
  running build_ext
  building 'mojimoji' extension
  creating build
  creating build/temp.macosx-10.14-x86_64-3.7
  clang -Wno-unused-result -Wsign-compare -Wunreachable-code -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.14.sdk -I/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.14.sdk/System/Library/Frameworks/Tk.framework/Versions/8.5/Headers -stdlib=libstdc++ -I/usr/local/include -I/usr/local/opt/openssl/include -I/usr/local/opt/sqlite/include -I/usr/local/Cellar/python/3.7.0/Frameworks/Python.framework/Versions/3.7/include/python3.7m -c mojimoji.cpp -o build/temp.macosx-10.14-x86_64-3.7/mojimoji.o
  warning: include path for stdlibc++ headers not found; pass '-std=libc++' on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found]
  mojimoji.cpp:580:10: fatal error: 'tr1/unordered_map' file not found
  #include <tr1/unordered_map>
           ^~~~~~~~~~~~~~~~~~~
  1 warning and 1 error generated.
  error: command 'clang' failed with exit status 1
  
 ----------------------------------------
  Failed building wheel for mojimoji
  Running setup.py clean for mojimoji
Failed to build mojimoji
Installing collected packages: mojimoji
  Running setup.py install for mojimoji ... error
    Complete output from command /usr/local/opt/python/bin/python3.7 -u -c "import setuptools, tokenize;__file__='/private/var/folders/y3/pbwjdvvd6g3f5ykh8qczlyd00000gn/T/pip-install-0fq2nxsl/mojimoji/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/y3/pbwjdvvd6g3f5ykh8qczlyd00000gn/T/pip-record-6cg8gdn2/install-record.txt --single-version-externally-managed --compile:
    running install
    running build
    running build_ext
    building 'mojimoji' extension
    creating build
    creating build/temp.macosx-10.14-x86_64-3.7
    clang -Wno-unused-result -Wsign-compare -Wunreachable-code -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.14.sdk -I/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.14.sdk/System/Library/Frameworks/Tk.framework/Versions/8.5/Headers -stdlib=libstdc++ -I/usr/local/include -I/usr/local/opt/openssl/include -I/usr/local/opt/sqlite/include -I/usr/local/Cellar/python/3.7.0/Frameworks/Python.framework/Versions/3.7/include/python3.7m -c mojimoji.cpp -o build/temp.macosx-10.14-x86_64-3.7/mojimoji.o
    warning: include path for stdlibc++ headers not found; pass '-std=libc++' on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found]
    mojimoji.cpp:580:10: fatal error: 'tr1/unordered_map' file not found
    #include <tr1/unordered_map>
             ^~~~~~~~~~~~~~~~~~~
    1 warning and 1 error generated.
    error: command 'clang' failed with exit status 1
    
----------------------------------------
Command "/usr/local/opt/python/bin/python3.7 -u -c "import setuptools, tokenize;__file__='/private/var/folders/y3/pbwjdvvd6g3f5ykh8qczlyd00000gn/T/pip-install-0fq2nxsl/mojimoji/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/y3/pbwjdvvd6g3f5ykh8qczlyd00000gn/T/pip-record-6cg8gdn2/install-record.txt --single-version-externally-managed --compile" failed with error code 1 in /private/var/folders/y3/pbwjdvvd6g3f5ykh8qczlyd00000gn/T/pip-install-0fq2nxsl/mojimoji/


----



どうやら、↓が原因みたい。
https://stackoverflow.com/questions/42030598/mac-c-compiler-not-finding-tr1-unordered-map



【対処】
git clone https://github.com/studio-ousia/mojimoji
python3 setup.py install 

でインストールできた。