VS Code中无法安装dlib求助：已尝试全网方案仍失败附报错日志

Hey there, I’ve looked through your error logs and can pinpoint exactly what’s blocking your dlib install when running pip install dlib --user:

The root issues are twofold:

1. CMake is trying to use the NMake Makefiles generator, which doesn’t support specifying the x64 platform.
2. Your system lacks a properly configured C/C++ compiler, causing the CMAKE_C_COMPILER not set and CMAKE_CXX_COMPILER not set errors.

Here are straightforward, actionable solutions to get dlib up and running:

Option 1: Install Precompiled dlib (No Compilation Required) #

Skip the build process entirely with a pre-built package:

• Run this command instead:

  pip install dlib-bin --user
  

• If that doesn’t work, grab the exact Python 3.8 (64-bit) dlib wheel from the unofficial Windows binaries collection, then install it directly:

  pip install path/to/dlib-19.19.0-cp38-cp38-win_amd64.whl --user
  

Option 2: Set Up a Proper Compilation Environment #

If you need to build dlib from source (for custom tweaks), follow these steps:

1. Install Visual Studio Build Tools

   • Download and launch the Visual Studio Build Tools installer
   • Select the Desktop development with C++ workload, and ensure these components are checked:
     • MSVC v142 (or newer) Build Tools
     • Windows 10/11 SDK
     • CMake tools for Windows
   • Finish installation and restart your system.

2. Use the Correct Command Prompt

   • Open the x64 Native Tools Command Prompt for Visual Studio 20xx (matches the version you installed)
   • Navigate to your project folder in this prompt, then run:

     pip install dlib --user
     

   This prompt automatically configures the 64-bit compilation environment, so CMake will use the right generator and detect your compilers correctly.

Your Original Error Log for Reference #

Collecting dlib
Using cached https://files.pythonhosted.org/packages/63/92/05c3b98636661cb80d190a5a777dd94effcc14c0f6893222e5ca81e74fbc/dlib-19.19.0.tar.gz
Installing collected packages: dlib
Running setup.py install for dlib ... error
ERROR: Command errored out with exit status 1:
command: 'c:\program files\python38\python.exe' -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'C:\\Users\\abhigna reddy\\AppData\\Local\\Temp\\pip-install-b3pu5qni\\dlib\\setup.py'"'"'; __file__='"'"'C:\\Users\\abhigna reddy\\AppData\\Local\\Temp\\pip-install-b3pu5qni\\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\abhigna reddy\AppData\Local\Temp\pip-record-dpfk1_ko\install-record.txt' --single-version-externally-managed --compile --user --prefix=
cwd: C:\Users\abhigna reddy\AppData\Local\Temp\pip-install-b3pu5qni\dlib\
Complete output (57 lines):
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 3.8.2 (tags/v3.8.2:7b3ab59, Feb 25 2020, 23:03:10) [MSC v.1916 64 bit (AMD64)]
Invoking CMake setup: 'cmake C:\Users\abhigna reddy\AppData\Local\Temp\pip-install-b3pu5qni\dlib\tools\python -DCMAKE_LIBRARY_OUTPUT_DIRECTORY=C:\Users\abhigna reddy\AppData\Local\Temp\pip-install-b3pu5qni\dlib\build\lib.win-amd64-3.8 -DPYTHON_EXECUTABLE=c:\program files\python38\python.exe -DCMAKE_LIBRARY_OUTPUT_DIRECTORY_RELEASE=C:\Users\abhigna reddy\AppData\Local\Temp\pip-install-b3pu5qni\dlib\build\lib.win-amd64-3.8 -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/abhigna reddy/AppData/Local/Temp/pip-install-b3pu5qni/dlib/build/temp.win-amd64-3.8/Release/CMakeFiles/CMakeOutput.log".
Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File "C:\Users\abhigna reddy\AppData\Local\Temp\pip-install-b3pu5qni\dlib\setup.py", line 223, in <module>
    setup(
  File "c:\program files\python38\lib\site-packages\setuptools\__init__.py", line 145, in setup
    return distutils.core.setup(**attrs)
  File "c:\program files\python38\lib\distutils\core.py", line 148, in setup
    dist.run_commands()
  File "c:\program files\python38\lib\distutils\dist.py", line 966, in run_commands
    self.run_command(cmd)
  File "c:\program files\python38\lib\distutils\dist.py", line 985, in run_command
    cmd_obj.run()
  File "c:\program files\python38\lib\site-packages\setuptools\command\install.py", line 61, in run
    return orig.install.run(self)
  File "c:\program files\python38\lib\distutils\command\install.py", line 545, in run
    self.run_command('build')
  File "c:\program files\python38\lib\distutils\cmd.py", line 313, in run_command
    self.distribution.run_command(command)
  File "c:\program files\python38\lib\distutils\dist.py", line 985, in run_command
    cmd_obj.run()
  File "c:\program files\python38\lib\distutils\command\build.py", line 135, in run
    self.run_command(cmd_name)
  File "c:\program files\python38\lib\distutils\cmd.py", line 313, in run_command
    self.distribution.run_command(command)
  File "c:\program files\python38\lib\distutils\dist.py", line 985, in run_command
    cmd_obj.run()
  File "C:\Users\abhigna reddy\AppData\Local\Temp\pip-install-b3pu5qni\dlib\setup.py", line 135, in run
    self.build_extension(ext)
  File "C:\Users\abhigna reddy\AppData\Local\Temp\pip-install-b3pu5qni\dlib\setup.py", line 172, in build_extension
    subprocess.check_call(cmake_setup, cwd=build_folder)
  File "c:\program files\python38\lib\subprocess.py", line 364, in check_call
    raise CalledProcessError(retcode, cmd)
subprocess.CalledProcessError: Command '["cmake", "C:\\Users\\abhigna reddy\\AppData\\Local\\Temp\\pip-install-b3pu5qni\\dlib\\tools\\python", "-DCMAKE_LIBRARY_OUTPUT_DIRECTORY=C:\\Users\\abhigna reddy\\AppData\\Local\\Temp\\pip-install-b3pu5qni\\dlib\\build\\lib.win-amd64-3.8", "-DPYTHON_EXECUTABLE=c:\\program files\\python38\\python.exe", "-DCMAKE_LIBRARY_OUTPUT_DIRECTORY_RELEASE=C:\\Users\\abhigna reddy\\AppData\\Local\\Temp\\pip-install-b3pu5qni\\dlib\\build\\lib.win-amd64-3.8", "-A", "x64"]' returned non-zero exit status 1.
----------------------------------------
ERROR: Command errored out with exit status 1: 'c:\program files\python38\python.exe' -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'C:\\Users\\abhigna reddy\\AppData\\Local\\Temp\\pip-install-b3pu5qni\\dlib\\setup.py'"'"'; __file__='"'"'C:\\Users\\abhigna reddy\\AppData\\Local\\Temp\\pip-install-b3pu5qni\\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\abhigna reddy\AppData\Local\Temp\pip-record-dpfk1_ko\install-record.txt' --single-version-externally-managed --compile --user --prefix=
Check the logs for full command output.

内容的提问来源于stack exchange，提问作者abhigna mareddy