PS C:\Users\onkar\OneDrive\Desktop\be project\People-Counting-in-Real-Time> pip install dlib==19.18.0
Collecting dlib==19.18.0
  Using cached https://files.pythonhosted.org/packages/1e/62/aacb236d21fbd08148b1d517d58a9d80ea31bdcd386d26f21f8b23b1eb28/dlib-19.18.0.tar.gz
Installing collected packages: dlib
  Running setup.py install for dlib ... error
    Complete output from command c:\python\python36\python.exe -u -c "import setuptools, tokenize;__file__='C:\\Users\\onkar\\AppData\\Local\\Temp\\pip-install-a3w83cv7\\dlib\\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\onkar\AppData\Local\Temp\pip-record-bura752r\install-record.txt --single-version-externally-managed --compile:
    running install
    running build
    running build_py
    package init file 'dlib\__init__.py' not found (or not a regular file)
    running build_ext
    Building extension for Python 3.6.8 (tags/v3.6.8:3c6b436a57, Dec 24 2018, 00:16:47) [MSC v.1916 64 bit (AMD64)]
    Invoking CMake setup: 'cmake C:\Users\onkar\AppData\Local\Temp\pip-install-a3w83cv7\dlib\tools\python -DCMAKE_LIBRARY_OUTPUT_DIRECTORY=C:\Users\onkar\AppData\Local\Temp\pip-install-a3w83cv7\dlib\build\lib.win-amd64-3.6 -DPYTHON_EXECUTABLE=c:\python\python36\python.exe -DCMAKE_LIBRARY_OUTPUT_DIRECTORY_RELEASE=C:\Users\onkar\AppData\Local\Temp\pip-install-a3w83cv7\dlib\build\lib.win-amd64-3.6 -A x64'
    -- Building for: NMake Makefiles
    CMake Error at CMakeLists.txt:3 (project):
      Generator

        NMake Makefiles

      does not support platform specification, but platform

        x64

      was specified.


    CMake Error: CMAKE_C_COMPILER not set, after EnableLanguage
    CMake Error: CMAKE_CXX_COMPILER not set, after EnableLanguage
    -- Configuring incomplete, errors occurred!
    See also "C:/Users/onkar/AppData/Local/Temp/pip-install-a3w83cv7/dlib/build/temp.win-amd64-3.6/Release/CMakeFiles/CMakeOutput.log".
    Traceback (most recent call last):
      File "<string>", line 1, in <module>
      File "C:\Users\onkar\AppData\Local\Temp\pip-install-a3w83cv7\dlib\setup.py", line 261, in <module>
        'Topic :: Software Development',
      File "c:\python\python36\lib\site-packages\setuptools\__init__.py", line 143, in setup
        return distutils.core.setup(**attrs)
      File "c:\python\python36\lib\distutils\core.py", line 148, in setup
        dist.run_commands()
      File "c:\python\python36\lib\distutils\dist.py", line 955, in run_commands
        self.run_command(cmd)
      File "c:\python\python36\lib\distutils\dist.py", line 974, in run_command
        cmd_obj.run()
      File "c:\python\python36\lib\site-packages\setuptools\command\install.py", line 61, in run
        return orig.install.run(self)
      File "c:\python\python36\lib\distutils\command\install.py", line 545, in run
        self.run_command('build')
      File "c:\python\python36\lib\distutils\cmd.py", line 313, in run_command
        self.distribution.run_command(command)
      File "c:\python\python36\lib\distutils\dist.py", line 974, in run_command
        cmd_obj.run()
      File "c:\python\python36\lib\distutils\command\build.py", line 135, in run
        self.run_command(cmd_name)
      File "c:\python\python36\lib\distutils\cmd.py", line 313, in run_command
        self.distribution.run_command(command)
      File "c:\python\python36\lib\distutils\dist.py", line 974, in run_command
        cmd_obj.run()
      File "C:\Users\onkar\AppData\Local\Temp\pip-install-a3w83cv7\dlib\setup.py", line 135, in run
        self.build_extension(ext)
      File "C:\Users\onkar\AppData\Local\Temp\pip-install-a3w83cv7\dlib\setup.py", line 172, in build_extension
        subprocess.check_call(cmake_setup, cwd=build_folder)
      File "c:\python\python36\lib\subprocess.py", line 311, in check_call
        raise CalledProcessError(retcode, cmd)
    subprocess.CalledProcessError: Command '['cmake', 'C:\\Users\\onkar\\AppData\\Local\\Temp\\pip-install-a3w83cv7\\dlib\\tools\\python', '-DCMAKE_LIBRARY_OUTPUT_DIRECTORY=C:\\Users\\onkar\\AppData\\Local\\Temp\\pip-install-a3w83cv7\\dlib\\build\\lib.win-amd64-3.6', '-DPYTHON_EXECUTABLE=c:\\python\\python36\\python.exe', '-DCMAKE_LIBRARY_OUTPUT_DIRECTORY_RELEASE=C:\\Users\\onkar\\AppData\\Local\\Temp\\pip-install-a3w83cv7\\dlib\\build\\lib.win-amd64-3.6', '-A', 'x64']' returned non-zero exit status 1.

    ----------------------------------------
Command "c:\python\python36\python.exe -u -c "import setuptools, tokenize;__file__='C:\\Users\\onkar\\AppData\\Local\\Temp\\pip-install-a3w83cv7\\dlib\\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\onkar\AppData\Local\Temp\pip-record-bura752r\install-record.txt --single-version-externally-managed --compile" 
failed with error code 1 in C:\Users\onkar\AppData\Local\Temp\pip-install-a3w83cv7\dlib\
You are using pip version 18.1, however version 21.3.1 is available.
You should consider upgrading via the 'python -m pip install --upgrade pip' command.