title: How to solve issue related to installation of dlib on Windows 10?
body: <p>I am trying to install dlib for face-recognition for python 3.7 on windows 10, I explored few ways but I am getting errors.I tried below steps-</p>
  
  <ol>
  <li>Installed cmake using 'pip install cmake'. This worked.</li>
  <li>Downloaed the Dlib source(.tar.gz) from the Python Package Index : <a href="https://pypi.org/project/dlib/#files" rel="nofollow noreferrer">https://pypi.org/project/dlib/#files</a> extract it and enter into the folder.</li>
  <li>Ran the installation: python setup.py install</li>
  </ol>
  
  <p>I am getting below error.</p>
  
  <p>*</p>
  
  <pre><code>*C:\Program Files\dlib-19.18.0&gt;python setup.py install
  running install
  running bdist_egg
  running egg_info
  writing dlib.egg-info\PKG-INFO
  writing dependency_links to dlib.egg-info\dependency_links.txt
  writing top-level names to dlib.egg-info\top_level.txt
  package init file 'dlib\__init__.py' not found (or not a regular file)
  reading manifest file 'dlib.egg-info\SOURCES.txt'
  reading manifest template 'MANIFEST.in'
  no previously-included directories found matching 'tools\python\build*'
  no previously-included directories found matching 'dlib\test'
  writing manifest file 'dlib.egg-info\SOURCES.txt'
  installing library code to build\bdist.win-amd64\egg
  running install_lib
  running build_py
  running build_ext
  Building extension for Python 3.7.3 (default, Apr 24 2019, 15:29:51) [MSC v.1915 64 bit (AMD64)]
  Invoking CMake setup: 'cmake C:\Program Files\dlib-19.18.0\tools\python -DCMAKE_LIBRARY_OUTPUT_DIRECTORY=C:\Program Files\dlib-19.18.0\build\lib.win-amd64-3.7 -DPYTHON_EXECUTABLE=C:\Users\Sriparna\Anaconda3\python.exe -DCMAKE_LIBRARY_OUTPUT_DIRECTORY_RELEASE=C:\Program Files\dlib-19.18.0\build\lib.win-amd64-3.7 -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:/Program Files/dlib-19.18.0/build/temp.win-amd64-3.7/Release/CMakeFiles/CMakeOutput.log".
  Traceback (most recent call last):
    File "setup.py", line 261, in &lt;module&gt;
      'Topic :: Software Development',
    File "C:\Users\Sriparna\Anaconda3\lib\site-packages\setuptools\__init__.py", line 145, in setup
      return distutils.core.setup(**attrs)
    File "C:\Users\Sriparna\Anaconda3\lib\distutils\core.py", line 148, in setup
      dist.run_commands()
    File "C:\Users\Sriparna\Anaconda3\lib\distutils\dist.py", line 966, in run_commands
      self.run_command(cmd)
    File "C:\Users\Sriparna\Anaconda3\lib\distutils\dist.py", line 985, in run_command
      cmd_obj.run()
    File "C:\Users\Sriparna\Anaconda3\lib\site-packages\setuptools\command\install.py", line 67, in run
      self.do_egg_install()
    File "C:\Users\Sriparna\Anaconda3\lib\site-packages\setuptools\command\install.py", line 109, in do_egg_install
      self.run_command('bdist_egg')
    File "C:\Users\Sriparna\Anaconda3\lib\distutils\cmd.py", line 313, in run_command
      self.distribution.run_command(command)
    File "C:\Users\Sriparna\Anaconda3\lib\distutils\dist.py", line 985, in run_command
      cmd_obj.run()
    File "C:\Users\Sriparna\Anaconda3\lib\site-packages\setuptools\command\bdist_egg.py", line 172, in run
      cmd = self.call_command('install_lib', warn_dir=0)
    File "C:\Users\Sriparna\Anaconda3\lib\site-packages\setuptools\command\bdist_egg.py", line 158, in call_command
      self.run_command(cmdname)
    File "C:\Users\Sriparna\Anaconda3\lib\distutils\cmd.py", line 313, in run_command
      self.distribution.run_command(command)
    File "C:\Users\Sriparna\Anaconda3\lib\distutils\dist.py", line 985, in run_command
      cmd_obj.run()
    File "C:\Users\Sriparna\Anaconda3\lib\site-packages\setuptools\command\install_lib.py", line 11, in run
      self.build()
    File "C:\Users\Sriparna\Anaconda3\lib\distutils\command\install_lib.py", line 107, in build
      self.run_command('build_ext')
    File "C:\Users\Sriparna\Anaconda3\lib\distutils\cmd.py", line 313, in run_command
      self.distribution.run_command(command)
    File "C:\Users\Sriparna\Anaconda3\lib\distutils\dist.py", line 985, in run_command
      cmd_obj.run()
    File "setup.py", line 135, in run
      self.build_extension(ext)
    File "setup.py", line 172, in build_extension
      subprocess.check_call(cmake_setup, cwd=build_folder)
    File "C:\Users\Sriparna\Anaconda3\lib\subprocess.py", line 347, in check_call
      raise CalledProcessError(retcode, cmd)
  subprocess.CalledProcessError: Command '['cmake', 'C:\\Program Files\\dlib-19.18.0\\tools\\python', '-DCMAKE_LIBRARY_OUTPUT_DIRECTORY=C:\\Program Files\\dlib-19.18.0\\build\\lib.win-amd64-3.7', '-DPYTHON_EXECUTABLE=C:\\Users\\Sriparna\\Anaconda3\\python.exe', '-DCMAKE_LIBRARY_OUTPUT_DIRECTORY_RELEASE=C:\\Program Files\\dlib-19.18.0\\build\\lib.win-amd64-3.7', '-A', 'x64']' returned non-zero exit status 1.*
  </code></pre>
  
  <p>*</p>
  
  <p>Can you please advise how to solve this issue?</p>