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fix: update dependency installation process to include prebuilt wheels for llama-cpp-python
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This commit is contained in:
Netherwarlord
2026-07-29 14:37:09 -04:00
parent dd38181f56
commit 4a0501c9fb
1 changed files with 27 additions and 6 deletions
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packaging/LM-Gambit.bat
+27 -6
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@@ -60,17 +60,38 @@ if errorlevel 1 (
echo Installing dependencies... echo Installing dependencies...
"%VENV%\Scripts\python.exe" -m pip install --quiet --upgrade pip "%VENV%\Scripts\python.exe" -m pip install --quiet --upgrade pip
"%VENV%\Scripts\python.exe" -m pip install -r "%~dp0requirements.txt"
rem llama-cpp-python ships only an sdist to PyPI, so a plain install compiles
rem it from source. On Windows that needs nmake and cl.exe on PATH, and those
rem exist only inside a Visual Studio developer shell -- which nobody
rem double-clicking a launcher is in. Installing Build Tools does NOT put them
rem on the system PATH, so the compile fails identically afterwards.
rem
rem The upstream index below carries prebuilt win_amd64 wheels, so the normal
rem case never compiles at all. It is the same index GPU-ACCELERATION.md uses
rem for the CUDA builds.
"%VENV%\Scripts\python.exe" -m pip install -r "%~dp0requirements.txt" --extra-index-url https://abetlen.github.io/llama-cpp-python/whl/cpu
if errorlevel 1 ( if errorlevel 1 (
echo. echo.
echo Dependency installation failed. echo Dependency installation failed.
echo. echo.
echo The usual culprit is llama-cpp-python, which compiles from source when echo If the error above mentions llama-cpp-python, nmake, or
echo no prebuilt wheel matches this platform. That needs Visual Studio echo CMAKE_C_COMPILER, then pip could not find a prebuilt wheel and fell
echo Build Tools with the "Desktop development with C++" workload: echo back to compiling from source.
echo https://visualstudio.microsoft.com/visual-cpp-build-tools/
echo. echo.
echo The setup is resumable - run this again once that is installed. echo Note that installing Visual Studio Build Tools is not enough on its
echo own - it does not add the compiler to your PATH. You have to start
echo this launcher from a developer shell instead:
echo.
echo Start menu -^> "x64 Native Tools Command Prompt for VS 2022"
echo cd /d "%~dp0"
echo LM-Gambit.bat
echo.
echo Build Tools, if you do not have them:
echo https://visualstudio.microsoft.com/visual-cpp-build-tools/
echo ^(select the "Desktop development with C++" workload^)
echo.
echo The setup is resumable - run this again once that is sorted.
echo. echo.
rmdir /s /q "%VENV%" 2>nul rmdir /s /q "%VENV%" 2>nul
pause pause