想尝试python使用llama-cpp的功能，在windows下安装llama-cpp-python时，会报错。

PS C:\Users\xxxx> pip install llama-cpp-python
...
...
Building wheels for collected packages: llama-cpp-python
  Running command Building wheel for llama-cpp-python (pyproject.toml)
  *** scikit-build-core 0.9.9 using CMake 3.30.1 (wheel)
  *** Configuring CMake...
  2024-07-31 15:38:35,991 - scikit_build_core - WARNING - Can't find a Python library, got libdir=None, ldlibrary=None, multiarch=None, masd=None
  loading initial cache file C:\Users\xxxx\AppData\Local\Temp\tmp95k50mhv\build\CMakeInit.txt
  -- Building for: NMake Makefiles
  CMake Error at CMakeLists.txt:3 (project):
    Running

     'nmake' '-?'

    failed with:

     no such file or directory

  CMake Error: CMAKE_C_COMPILER not set, after EnableLanguage
  CMake Error: CMAKE_CXX_COMPILER not set, after EnableLanguage
  -- Configuring incomplete, errors occurred!

  *** CMake configuration failed
  error: subprocess-exited-with-error

  × Building wheel for llama-cpp-python (pyproject.toml) did not run successfully.
  │ exit code: 1
  ╰─> See above for output.
...
...

错误信息提示是找不到nmake。网上查找了一下，nmake是VisualStudio自带的开发工具，但是为了避免安装庞大的VS，我们只需要安装Vs build tools，记得要选中“使用C++的桌面开发”。

安装成功后，可以看到系统里已经有nmake.exe了，路径也无需配置。

再次使用pip安装llama-cpp-python，成功编译。

PS C:\Users\xxxx> pip install llama-cpp-python
...
Successfully built llama-cpp-python
WARNING: Ignoring invalid distribution ~mzqr (D:\Python312\Lib\site-packages)
Installing collected packages: MarkupSafe, diskcache, jinja2, llama-cpp-python
WARNING: Ignoring invalid distribution ~mzqr (D:\Python312\Lib\site-packages)
Successfully installed MarkupSafe-2.1.5 diskcache-5.6.3 jinja2-3.1.4 llama-cpp-python-0.2.84