C:\Users\pranavmk\Downloads\random>pip install rdrand
Collecting rdrand
  Using cached rdrand-1.0.1.tar.gz
Installing collected packages: rdrand
  Running setup.py install for rdrand ... error
    Complete output from command c:\python27\python.exe -u -c "import setuptools, tokenize;__file__='c:\\users\\pranavmk\\appdata\\local\\temp\\pip-build-7u9uv9\\rdrand\\setup.py';f=getattr(tokenize, 'open', open)(__file__);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, __file__, 'exec'))" install --record c:\users\pranavmk\appdata\local\temp\pip-nswv7l-record\install-record.txt --single-version-externally-managed --compile:
    running install
    running build
    running build_py
    creating build
    creating build\lib.win32-2.7
    copying rdrand.py -> build\lib.win32-2.7
    running build_ext
    building '_rdrand' extension
    creating build\temp.win32-2.7
    creating build\temp.win32-2.7\Release
    C:\Users\pranavmk\AppData\Local\Programs\Common\Microsoft\Visual C++ for Python\9.0\VC\Bin\cl.exe /c /nologo /Ox /MD /W3 /GS- /DNDEBUG -Ic:\python27\include -Ic:\python27\PC /Tcrdrand.c /Fobuild\temp.win32-2.7\Release\rdrand.obj
    rdrand.c
    rdrand.c(45) : fatal error C1189: #error :  Only support for gcc or clang currently
    error: command 'C:\\Users\\pranavmk\\AppData\\Local\\Programs\\Common\\Microsoft\\Visual C++ for Python\\9.0\\VC\\Bin\\cl.exe' failed with exit status 2

    ----------------------------------------
Command "c:\python27\python.exe -u -c "import setuptools, tokenize;__file__='c:\\users\\pranavmk\\appdata\\local\\temp\\pip-build-7u9uv9\\rdrand\\setup.py';f=getattr(tokenize, 'open', open)(__file__);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, __file__, 'exec'))" install --record c:\users\pranavmk\appdata\local\temp\pip-nswv7l-record\install-record.txt --single-version-externally-managed --compile" failed with error code 1 in c:\users\pranavmk\appdata\local\temp\pip-build-7u9uv9\rdrand\