How to install pymssql on macOS Sierra

Command "/usr/bin/python -u -c "import setuptools, tokenize;__file__='/private/tmp/pip-build-J1I0ox/pymssql/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-qmtdBW-record/install-record.txt --single-version-externally-managed --compile" failed with error code 1 in /private/tmp/pip-build-J1I0ox/pymssql/

      

        
        
        
      

    

I have the same error as displayed here . I followed the instructions on this page by trying brew install freetds

and then sudo -H pip install pymssql

.

This generates this error code:

    _mssql.c:18814:15: error: use of undeclared identifier 'DBVERSION_80'
    __pyx_r = DBVERSION_80;
              ^
4 warnings and 1 error generated.
error: command 'cc' failed with exit status 1

----------------------------------------
Command "/usr/bin/python -u -c "import setuptools, tokenize;__file__='/private/tmp/pip-build-J1I0ox/pymssql/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-qmtdBW-record/install-record.txt --single-version-externally-managed --compile" failed with error code 1 in /private/tmp/pip-build-J1I0ox/pymssql/

      

        
        
        
      

    

Searching for this error led me to this page . I have implemented the solution, placed there by trying both brew unlink freetds; brew install homebrew/versions/freetds091

, and brew uninstall freetds; brew install homebrew/versions/freetds091

that generates another error when you try to sudo -H pip install pymssql

:

_mssql.c:266:10: fatal error: 'sqlfront.h' file not found
#include "sqlfront.h"
         ^
1 error generated.
error: command 'cc' failed with exit status 1

----------------------------------------
Command "/usr/bin/python -u -c "import setuptools, tokenize;__file__='/private/var/folders/_s/27xppw4j3yl78c9l4v1w3n9m0000gn/T/pip-build-97A9sQ/pymssql/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/_s/27xppw4j3yl78c9l4v1w3n9m0000gn/T/pip-0nUZo4-record/install-record.txt --single-version-externally-managed --compile" failed with error code 1 in /private/var/folders/_s/27xppw4j3yl78c9l4v1w3n9m0000gn/T/pip-build-97A9sQ/pymssql/

      

        
        
        
      

    

So I gave up and tried to install pyodbc, but I still get similar errors: src/pyodbc.h:56:10: fatal error: 'sql.h' file not found #include sql.h

Any help with this would be great.