build-server.bat

@echo off
chcp 65001 >nul
setlocal enabledelayedexpansion

echo ============================================
echo   llama.cpp Build Script (server only)
echo ============================================
echo.

:: ===== Configuration =====
set "WORK_DIR=%~dp0"
set "TOOLS_DIR=%WORK_DIR%tools"
set "SRC_DIR=%WORK_DIR%\llama.cpp"
set "CMAKE_MIN_VERSION=3.24"

:: ===== Check for system CMake =====
echo [0/3] Checking CMake...

set "CMAKE_MIN_VERSION=3.24"
set "SYS_CMAKE_VER="

where.exe cmake >nul 2>&1
if %errorlevel% neq 0 goto :cmake_no_system

for /f "delims=" %%p in ('where.exe cmake 2^>nul') do (
    "%%p" --version > "%TEMP%\cmake-ver.txt" 2>&1
    for /f "tokens=3" %%v in ('findstr /B "cmake version" "%TEMP%\cmake-ver.txt"') do set "SYS_CMAKE_VER=%%v"
    del /q "%TEMP%\cmake-ver.txt" 2>nul
    goto :cmake_ver_check
)

:cmake_ver_check
if defined SYS_CMAKE_VER (
    echo   发现系统 CMake !SYS_CMAKE_VER!
    powershell -Command "if ([version]'!SYS_CMAKE_VER!' -ge [version]'!CMAKE_MIN_VERSION!') { exit 0 } else { exit 1 }"
    if !errorlevel! equ 0 (
        echo   版本满足要求（!CMAKE_MIN_VERSION!+），使用系统 CMake
        set "USE_SYSTEM_CMAKE=1"
        goto :cmake_done
    ) else (
        echo   版本低于 !CMAKE_MIN_VERSION!，将使用 bundled CMake
        goto :cmake_bundled
    )
) else (
    echo   无法解析系统 CMake 版本号，将使用 bundled CMake
    goto :cmake_bundled
)

:cmake_no_system
echo   系统未安装 CMake，将使用 bundled CMake

:cmake_bundled
if exist "%TOOLS_DIR%\cmake\bin\cmake.exe" (
    echo   使用 bundled CMake
) else if exist "%TOOLS_DIR%\cmake.zip" (
    echo   解压 cmake.zip...
    powershell -Command "Expand-Archive -Path '%TOOLS_DIR%\cmake.zip' -DestinationPath '%TOOLS_DIR%' -Force"
    for /d %%i in ("%TOOLS_DIR%\cmake-*-windows*") do (
        if not exist "%TOOLS_DIR%\cmake" rename "%%i" cmake
    )
    echo   CMake 就绪
) else (
    echo   下载 CMake...
    powershell -Command "[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; Invoke-WebRequest -Uri '%CMAKE_URL%' -OutFile '%TOOLS_DIR%\cmake.zip' -UseBasicParsing"
    echo   解压 CMake...
    powershell -Command "Expand-Archive -Path '%TOOLS_DIR%\cmake.zip' -DestinationPath '%TOOLS_DIR%' -Force"
    for /d %%i in ("%TOOLS_DIR%\cmake-*-windows*") do (
        if not exist "%TOOLS_DIR%\cmake" rename "%%i" cmake
    )
    echo   CMake 就绪
)

:cmake_done

:: ===== Set PATH to build tools =====
:: Always add w64devkit to PATH for gcc/g++
set "PATH=%TOOLS_DIR%\w64devkit\bin;%PATH%"
if not defined USE_SYSTEM_CMAKE (
    set "PATH=%TOOLS_DIR%\cmake\bin;%PATH%"
    if not exist "%TOOLS_DIR%\cmake\bin\cmake.exe" (
        for /d %%i in ("%TOOLS_DIR%\cmake-*-windows*") do set "PATH=%%i\bin;%PATH%"
    )
)

cd /d "%SRC_DIR%"

:: ===== Clean old build artifacts =====
if exist "CMakeCache.txt" (
    echo   Cleaning old build cache...
    del /q CMakeCache.txt 2>nul
    rmdir /s /q CMakeFiles 2>nul
)

:: ===== CMake configure =====
echo [1/2] CMake configure...
echo   AVX=ON, AVX2=ON, AVX512=OFF, NATIVE=OFF (server only)

cmake . -G "MinGW Makefiles" ^
    -DLLAMA_CURL=OFF ^
    -DCMAKE_CXX_COMPILER=g++ ^
    -DCMAKE_C_COMPILER=gcc ^
    -DLLAMA_BUILD_TESTS=OFF ^
    -DLLAMA_BUILD_COMMON=ON ^
    -DLLAMA_BUILD_APP=OFF ^
    -DLLAMA_BUILD_EXAMPLES=OFF ^
    -DLLAMA_BUILD_TOOLS=ON ^
    -DLLAMA_BUILD_SERVER=ON ^
    -DGGML_AVX=ON ^
    -DGGML_AVX2=ON ^
    -DGGML_AVX512=OFF ^
    -DGGML_NATIVE=OFF ^
    -DGGML_F16C=ON ^
    -DGGML_FMA=ON ^
    -DGGML_BMI2=ON

if errorlevel 1 (
    echo   CMake configure failed!
    pause
    exit /b 1
)
echo   CMake configure done.

:: ===== Build =====
echo.
echo [2/2] Building llama-server only (8 threads, ~10-20 min)...
echo.

cmake --build . --config Release --target llama-server -j 8
if errorlevel 1 (
    echo.
    echo   Build failed! Check errors above.
    pause
    exit /b 1
)

echo.
echo ============================================
echo   Build complete!
echo   Output: %SRC_DIR%\bin\
echo   Executables:
dir /b "%SRC_DIR%\bin\*.exe" 2>nul | %SystemRoot%\System32\find.exe /c /v ""
echo ============================================
echo.
pause