ollama/scripts/build_windows.ps1
Daniel Hiltgen 89a171cc70
llm: use host Vulkan loader on Windows (#16869)
Stop bundling the Vulkan loader and resolve the host runtime for Windows Vulkan discovery and backend dependency loading.

Fixes #16677
2026-06-24 10:35:48 -07:00

991 lines
40 KiB
PowerShell

#!powershell
#
# powershell -ExecutionPolicy Bypass -File .\scripts\build_windows.ps1
#
# gcloud auth application-default login
# Use "Continue" so that stderr output from native commands (e.g. CGo warnings)
# is not promoted to a terminating exception by the try/catch block.
# All native commands already check $LASTEXITCODE explicitly.
$ErrorActionPreference = "Continue"
mkdir -Force -path .\dist | Out-Null
function findVisualStudioInstall {
if ($env:VSINSTALLDIR -and (Test-Path $env:VSINSTALLDIR)) {
return $env:VSINSTALLDIR
}
$programFilesX86 = [Environment]::GetEnvironmentVariable("ProgramFiles(x86)")
if ($programFilesX86) {
$vswhere = Join-Path $programFilesX86 "Microsoft Visual Studio\Installer\vswhere.exe"
if (Test-Path $vswhere) {
$install = & $vswhere -latest -products * -requires Microsoft.VisualStudio.Component.VC.Tools.x86.x64 -property installationPath 2>$null | Select-Object -First 1
if ($install) {
return $install
}
}
}
$instance = Get-CimInstance MSFT_VSInstance -Namespace root/cimv2/vs -ErrorAction SilentlyContinue | Sort-Object -Property Version -Descending | Select-Object -First 1
if ($instance) {
return $instance.InstallLocation
}
return $null
}
function findDumpbin {
$dumpbin = Get-Command -Name "dumpbin.exe" -ErrorAction SilentlyContinue | Select-Object -First 1
if ($dumpbin) {
return $dumpbin.Path
}
$vsInstall = findVisualStudioInstall
if ($vsInstall) {
$candidate = Get-ChildItem -Path (Join-Path $vsInstall "VC\Tools\MSVC\*\bin\Hostx64\x64\dumpbin.exe") -ErrorAction SilentlyContinue |
Sort-Object -Property FullName -Descending |
Select-Object -First 1
if ($candidate) {
return $candidate.FullName
}
}
return $null
}
function normalizePathForCompare {
param([string]$Path)
if (-not $Path) {
return ""
}
return ([IO.Path]::GetFullPath($Path).TrimEnd('\')).Replace('/', '\').ToLowerInvariant()
}
function newCompilerPair($name, $cc, $cxx) {
if ((Test-Path $cc) -and (Test-Path $cxx)) {
return [pscustomobject]@{
Name = $name
CC = (Resolve-Path $cc).Path
CXX = (Resolve-Path $cxx).Path
}
}
return $null
}
function findWindowsCPUCompiler {
$llvmMingwBins = @()
if ($env:ProgramFiles) {
$llvmMingwBins += Resolve-Path "$env:ProgramFiles\llvm-mingw-*-x86_64*\bin" -ErrorAction SilentlyContinue
}
if ($env:LOCALAPPDATA) {
$llvmMingwBins += Resolve-Path "$env:LOCALAPPDATA\Microsoft\WinGet\Packages\MartinStorsjo.LLVM-MinGW*\llvm-mingw-*-x86_64*\bin" -ErrorAction SilentlyContinue
}
foreach ($bin in ($llvmMingwBins | Sort-Object -Property Path -Descending)) {
$compiler = newCompilerPair "llvm-mingw" (Join-Path $bin.Path "x86_64-w64-mingw32-gcc.exe") (Join-Path $bin.Path "x86_64-w64-mingw32-g++.exe")
if ($compiler) { return $compiler }
$compiler = newCompilerPair "llvm-mingw" (Join-Path $bin.Path "gcc.exe") (Join-Path $bin.Path "g++.exe")
if ($compiler) { return $compiler }
}
$compiler = newCompilerPair "MSYS2 clang64" "C:\msys64\clang64\bin\clang.exe" "C:\msys64\clang64\bin\clang++.exe"
if ($compiler) { return $compiler }
$compiler = newCompilerPair "MSYS2 UCRT64 GCC" "C:\msys64\ucrt64\bin\gcc.exe" "C:\msys64\ucrt64\bin\g++.exe"
if ($compiler) { return $compiler }
return $null
}
function ensureMsvcForNinja {
if ($env:CMAKE_GENERATOR -notlike "Ninja*") {
return
}
if (-not (Get-Command -Name "cl.exe" -ErrorAction SilentlyContinue)) {
$vsInstall = findVisualStudioInstall
if ($vsInstall) {
$devShell = Join-Path $vsInstall "Common7\Tools\Microsoft.VisualStudio.DevShell.dll"
if (Test-Path $devShell) {
Import-Module $devShell
Enter-VsDevShell -VsInstallPath $vsInstall -SkipAutomaticLocation -DevCmdArguments "-arch=x64 -no_logo"
}
}
}
if (-not (Get-Command -Name "cl.exe" -ErrorAction SilentlyContinue)) {
Write-Error "Ninja builds require MSVC cl.exe. Install Visual Studio C++ tools or run from a VS Developer shell."
exit(1)
}
Write-Output "MSVC cl.exe available for Ninja builds"
}
function checkEnv {
if ($null -ne $env:ARCH ) {
$script:ARCH = $env:ARCH
} else {
$arch=([System.Runtime.InteropServices.RuntimeInformation]::OSArchitecture)
if ($null -ne $arch) {
$script:ARCH = ($arch.ToString().ToLower()).Replace("x64", "amd64")
} else {
Write-Output "WARNING: old powershell detected, assuming amd64 architecture - set `$env:ARCH to override"
$script:ARCH="amd64"
}
}
$script:TARGET_ARCH=$script:ARCH
Write-host "Building for ${script:TARGET_ARCH}"
Write-Output "Locating required tools and paths"
$script:SRC_DIR=$PWD
# Locate CUDA versions
$cudaList=(get-item "C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v*\bin\" -ea 'silentlycontinue')
if ($cudaList.length -eq 0) {
$d=(get-command -ea 'silentlycontinue' nvcc).path
if ($null -ne $d) {
$script:CUDA_DIRS=@($d| split-path -parent)
}
} else {
# Favor newer patch versions if available
$script:CUDA_DIRS=($cudaList | sort-object -Descending)
}
if ($script:CUDA_DIRS.length -gt 0) {
Write-Output "Available CUDA Versions: $script:CUDA_DIRS"
} else {
Write-Output "No CUDA versions detected"
}
$arm64CCPath = (Get-Command -Name "aarch64-w64-mingw32-gcc.exe" -ErrorAction SilentlyContinue | Select-Object -First 1).Path
$arm64CXXPath = (Get-Command -Name "aarch64-w64-mingw32-g++.exe" -ErrorAction SilentlyContinue | Select-Object -First 1).Path
if (-not $arm64CCPath -or -not $arm64CXXPath) {
$arm64Toolchain = Resolve-Path "C:\Program Files\llvm-mingw-*-x86_64*\bin" -ErrorAction SilentlyContinue | Select-Object -First 1
if ($arm64Toolchain) {
$arm64CCPath = (Get-Item (Join-Path $arm64Toolchain.Path "aarch64-w64-mingw32-gcc.exe") -ErrorAction SilentlyContinue).FullName
$arm64CXXPath = (Get-Item (Join-Path $arm64Toolchain.Path "aarch64-w64-mingw32-g++.exe") -ErrorAction SilentlyContinue).FullName
}
}
# TODO: support other Windows ARM64 cross-compile toolchain layouts as needed.
if ($arm64CCPath -and $arm64CXXPath -and $arm64CCPath -notlike "*\clangarm64\*" -and $arm64CXXPath -notlike "*\clangarm64\*") {
$script:WINDOWS_ARM64_CROSS_COMPILE = $true
$script:WINDOWS_ARM64_CC = $arm64CCPath
$script:WINDOWS_ARM64_CXX = $arm64CXXPath
} else {
$script:WINDOWS_ARM64_CROSS_COMPILE = $false
}
# Locate ROCm installations
$rocm7Dir=(get-item "C:\Program Files\AMD\ROCm\7.*" -ea 'silentlycontinue' | sort-object { [version]$_.Name } -Descending | select-object -First 1)
if ($null -ne $rocm7Dir) {
$script:HIP_PATH_V7=$rocm7Dir.FullName
} elseif ($null -ne $env:HIP_PATH -and $env:HIP_PATH -match '[/\\]7\.') {
$script:HIP_PATH_V7=$env:HIP_PATH
}
$rocm6Dir=(get-item "C:\Program Files\AMD\ROCm\6.*" -ea 'silentlycontinue' | sort-object { [version]$_.Name } -Descending | select-object -First 1)
if ($null -ne $rocm6Dir) {
$script:HIP_PATH_V6=$rocm6Dir.FullName
} elseif ($null -ne $env:HIP_PATH -and $env:HIP_PATH -match '[/\\]6\.') {
$script:HIP_PATH_V6=$env:HIP_PATH
}
# Default to v7
$script:HIP_PATH=$script:HIP_PATH_V7
if (-not $script:HIP_PATH) {
$script:HIP_PATH=$script:HIP_PATH_V6
}
$inoSetup=(get-item "C:\Program Files*\Inno Setup*\")
if ($inoSetup.length -gt 0) {
$script:INNO_SETUP_DIR=$inoSetup[0]
}
$script:DIST_DIR="${script:SRC_DIR}\dist\windows-${script:TARGET_ARCH}"
$env:CGO_ENABLED="1"
if (-not $env:CGO_CFLAGS) {
$env:CGO_CFLAGS = "-O3"
}
if (-not $env:CGO_CXXFLAGS) {
$env:CGO_CXXFLAGS = "-O3"
}
Write-Output "Checking version"
if (!$env:VERSION) {
$data=(git describe --tags --first-parent --abbrev=7 --long --dirty --always)
$pattern="v(.+)"
if ($data -match $pattern) {
$script:VERSION=$matches[1]
}
} else {
$script:VERSION=$env:VERSION
}
$pattern = "(\d+[.]\d+[.]\d+).*"
if ($script:VERSION -match $pattern) {
$script:PKG_VERSION=$matches[1]
} else {
$script:PKG_VERSION="0.0.0"
}
Write-Output "Building Ollama $script:VERSION with package version $script:PKG_VERSION"
# Note: Windows Kits 10 signtool crashes with GCP's plugin
if ($null -eq $env:SIGN_TOOL) {
${script:SignTool}="C:\Program Files (x86)\Windows Kits\8.1\bin\x64\signtool.exe"
} else {
${script:SignTool}=${env:SIGN_TOOL}
}
if ("${env:KEY_CONTAINER}") {
if (Test-Path "${script:SRC_DIR}\ollama_inc.crt") {
${script:OLLAMA_CERT}=$(resolve-path "${script:SRC_DIR}\ollama_inc.crt")
Write-host "Code signing enabled"
} else {
Write-Output "WARNING: KEY_CONTAINER is set but ollama_inc.crt not found at ${script:SRC_DIR}\ollama_inc.crt - code signing disabled"
}
} else {
Write-Output "Code signing disabled - please set KEY_CONTAINERS to sign and copy ollama_inc.crt to the top of the source tree"
}
if (!$env:CMAKE_GENERATOR) {
$ninja = Get-Command -Name "ninja.exe" -ErrorAction SilentlyContinue | Select-Object -First 1
if ($ninja) {
$env:CMAKE_GENERATOR = "Ninja"
Write-Output "Using CMake generator: Ninja"
} else {
Write-Output "Ninja not detected; using CMake default generator"
}
} else {
Write-Output "Using CMake generator: $env:CMAKE_GENERATOR"
}
ensureMsvcForNinja
if ($env:OLLAMA_BUILD_PARALLEL) {
$script:JOBS=[int]$env:OLLAMA_BUILD_PARALLEL
} else {
# Use physical core count rather than logical processors (hyperthreads)
# to avoid saturating the system during builds
try {
$cores = (Get-CimInstance Win32_Processor | Measure-Object -Property NumberOfCores -Sum).Sum
} catch {
$cores = 0
}
if ($cores -gt 0) {
$script:JOBS = $cores
} else {
$script:JOBS = [Environment]::ProcessorCount
}
}
Write-Output "Build parallelism: $script:JOBS (set OLLAMA_BUILD_PARALLEL to override)"
}
function cpu {
mkdir -Force -path "${script:DIST_DIR}\" | Out-Null
if ($script:ARCH -ne "arm64") {
Remove-Item -ea 0 -recurse -force -path "${script:SRC_DIR}\dist\windows-${script:ARCH}"
New-Item "${script:SRC_DIR}\dist\windows-${script:ARCH}\lib\ollama\" -ItemType Directory -ea 0
$oldCC = $env:CC
$oldCXX = $env:CXX
$setCPUCompiler = $false
try {
if (-not $env:CC -and -not $env:CXX) {
$cpuCompiler = findWindowsCPUCompiler
if ($cpuCompiler) {
$env:CC = $cpuCompiler.CC
$env:CXX = $cpuCompiler.CXX
$setCPUCompiler = $true
Write-Output "Using $($cpuCompiler.Name) for Windows CPU backend variants"
} else {
Write-Output "WARNING: llvm-mingw/MSYS2 compiler not found; CPU variants unsupported by MSVC will be skipped"
}
} elseif (-not $env:CC -or -not $env:CXX) {
Write-Output "WARNING: set both CC and CXX for a custom Windows CPU compiler"
}
$cpuBuildDir = "${script:SRC_DIR}\build\llama-server-cpu"
$cache = Join-Path $cpuBuildDir "CMakeCache.txt"
if ($env:CXX -and (Test-Path $cache)) {
$cachedCXX = Select-String -Path $cache -Pattern '^CMAKE_CXX_COMPILER:FILEPATH=(.*)$' | Select-Object -First 1
if ($cachedCXX -and (normalizePathForCompare $cachedCXX.Matches[0].Groups[1].Value) -ne (normalizePathForCompare $env:CXX)) {
Write-Output "Reconfiguring Windows CPU build after compiler change"
Remove-Item -ea 0 -recurse -force -path $cpuBuildDir
}
}
# Build llama-server from upstream source (CPU + base)
& cmake -S llama\server --preset cpu_windows --install-prefix $script:DIST_DIR
if ($LASTEXITCODE -ne 0) { exit($LASTEXITCODE)}
$oldPath = $env:PATH
if ($env:CXX -and [System.IO.Path]::IsPathRooted($env:CXX)) {
# llama-ui-embed runs even with UI disabled; this ensures DLL dependencies are found.
$cpuCompilerDir = Split-Path -Parent $env:CXX
$env:PATH = "$cpuCompilerDir;$env:PATH"
}
& cmake --build build\llama-server-cpu --config Release --parallel $script:JOBS
$env:PATH = $oldPath
if ($LASTEXITCODE -ne 0) { exit($LASTEXITCODE)}
& cmake --install build\llama-server-cpu --component llama-server --strip
if ($LASTEXITCODE -ne 0) { exit($LASTEXITCODE)}
} finally {
if ($oldPath) {
$env:PATH = $oldPath
}
if ($setCPUCompiler) {
if ($null -eq $oldCC) {
Remove-Item Env:CC -ErrorAction SilentlyContinue
} else {
$env:CC = $oldCC
}
if ($null -eq $oldCXX) {
Remove-Item Env:CXX -ErrorAction SilentlyContinue
} else {
$env:CXX = $oldCXX
}
}
}
}
}
function cpuArm64 {
if (-not $script:WINDOWS_ARM64_CROSS_COMPILE) {
Write-Output "WARNING: skipping cpuArm64; Windows ARM64 cross-compiling is disabled due to missing tools"
return
}
$arm64DistDir = "${script:SRC_DIR}\dist\windows-arm64"
mkdir -Force -path "${arm64DistDir}\lib\ollama\" | Out-Null
Remove-Item -ea 0 -recurse -force -path "${arm64DistDir}\lib\ollama"
New-Item "${arm64DistDir}\lib\ollama\" -ItemType Directory -ea 0 | Out-Null
# Cross-compile the Windows ARM64 CPU llama-server payload from an x64 host
# with llvm-mingw. GPU backends are not built for Windows ARM64.
$oldCC = $env:CC
$oldCXX = $env:CXX
$oldGenerator = $env:CMAKE_GENERATOR
$oldGeneratorPlatform = $env:CMAKE_GENERATOR_PLATFORM
$oldGeneratorToolset = $env:CMAKE_GENERATOR_TOOLSET
$env:CC = $null
$env:CXX = $null
$env:CMAKE_GENERATOR_PLATFORM = $null
$env:CMAKE_GENERATOR_TOOLSET = $null
& cmake -S llama\server --preset cpu_arm64 --install-prefix $arm64DistDir
if ($LASTEXITCODE -ne 0) { exit($LASTEXITCODE)}
& cmake --build build\llama-server-cpu_arm64 --config Release --parallel $script:JOBS
if ($LASTEXITCODE -ne 0) { exit($LASTEXITCODE)}
& cmake --install build\llama-server-cpu_arm64 --component llama-server --strip
if ($LASTEXITCODE -ne 0) { exit($LASTEXITCODE)}
$env:CC = $oldCC
$env:CXX = $oldCXX
$env:CMAKE_GENERATOR = $oldGenerator
$env:CMAKE_GENERATOR_PLATFORM = $oldGeneratorPlatform
$env:CMAKE_GENERATOR_TOOLSET = $oldGeneratorToolset
}
function cuda11 {
Write-Output "CUDA v11 is no longer supported"
}
function cudaCMakeArgs {
param (
[string]$cuda
)
$env:CUDACXX = "$cuda\bin\nvcc.exe"
if ($env:CMAKE_GENERATOR -like "Ninja*") {
return @()
}
return @("-T", "cuda=$cuda", "-DCMAKE_CUDA_COMPILER=$cuda\bin\nvcc.exe")
}
function cudaCommon {
param (
[string]$cudaMajorVer
)
mkdir -Force -path "${script:DIST_DIR}\" | Out-Null
if ($script:ARCH -ne "arm64") {
if ("$script:CUDA_DIRS".Contains("v$cudaMajorVer")) {
foreach ($d in $Script:CUDA_DIRS){
if ($d.FullName.Contains("v$cudaMajorVer")) {
if (test-path -literalpath (join-path -path $d -childpath "nvcc.exe" ) ) {
$cuda=($d.FullName|split-path -parent)
break
}
}
}
# Build llama-server CUDA backend from upstream source
Write-Output "Building llama-server CUDA v$cudaMajorVer backend"
$env:CUDAToolkit_ROOT=$cuda
$preset = "llama_cuda_v$($cudaMajorVer)_windows"
$cudaToolsetArgs = cudaCMakeArgs $cuda
$configureArgs = @("-S", "llama\server", "--preset", $preset) + $cudaToolsetArgs + @("--install-prefix", "$script:DIST_DIR")
& cmake @configureArgs
if ($LASTEXITCODE -ne 0) { exit($LASTEXITCODE)}
& cmake --build "build\llama-server-cuda_v$cudaMajorVer" --config Release --parallel $script:JOBS
if ($LASTEXITCODE -ne 0) { exit($LASTEXITCODE)}
& cmake --install "build\llama-server-cuda_v$cudaMajorVer" --component llama-server --strip
if ($LASTEXITCODE -ne 0) { exit($LASTEXITCODE)}
} else {
Write-Output "CUDA v$cudaMajorVer not detected, skipping"
}
}
}
function cuda12 {
cudaCommon("12")
}
function cuda13 {
cudaCommon("13")
}
function rocm6 {
# KNOWN ISSUE: ROCm v6 on Windows is currently broken with upstream llama.cpp b8591+.
# The vendors/hip.h guard (#if HIP_VERSION >= 60200000) assumes __hip_fp8_e4m3 exists,
# but Windows ROCm 6.2 only has the _fnuz variant (__hip_fp8_e4m3_fnuz).
# This causes a compile error in ggml-cuda/vendors/hip.h:240.
# Use rocm7 instead, or wait for an upstream fix.
mkdir -Force -path "${script:DIST_DIR}\" | Out-Null
if ($script:ARCH -ne "arm64") {
if ($script:HIP_PATH_V6) {
Write-Output "WARNING: ROCm v6 build is currently broken (FP8 type mismatch). Skipping."
Write-Output "Use rocm7 instead."
} else {
Write-Output "ROCm v6 not detected, skipping"
}
}
}
function rocm7 {
mkdir -Force -path "${script:DIST_DIR}\" | Out-Null
if ($script:ARCH -ne "arm64") {
if ($script:HIP_PATH_V7) {
Write-Output "Building llama-server ROCm v7 backend $script:HIP_PATH_V7"
$rocmVersion = Split-Path -Leaf $script:HIP_PATH_V7
if ($rocmVersion -notmatch '^(\d+)\.(\d+)') {
Write-Output "Unable to determine ROCm version from $script:HIP_PATH_V7"
exit(1)
}
$rocmBackend = "rocm_v$($Matches[1])_$($Matches[2])"
$rocmPreset = "${rocmBackend}_windows"
if (-Not (get-command -ErrorAction silent ninja)) {
$NINJA_DIR=(gci -path (Get-CimInstance MSFT_VSInstance -Namespace root/cimv2/vs)[0].InstallLocation -r -fi ninja.exe).Directory.FullName
$env:PATH="$NINJA_DIR;$env:PATH"
}
$oldHIPCXX = $env:HIPCXX
$oldHIP_PLATFORM = $env:HIP_PLATFORM
$oldCMAKE_PREFIX_PATH = $env:CMAKE_PREFIX_PATH
$oldCC = $env:CC
$oldCXX = $env:CXX
$env:HIPCXX="${script:HIP_PATH_V7}\bin\clang++.exe"
$env:HIP_PLATFORM="amd"
$env:CMAKE_PREFIX_PATH="${script:HIP_PATH_V7}"
$env:CC="${script:HIP_PATH_V7}\bin\clang.exe"
$env:CXX="${script:HIP_PATH_V7}\bin\clang++.exe"
& cmake -S llama\server --preset $rocmPreset -G Ninja `
--install-prefix $script:DIST_DIR
if ($LASTEXITCODE -ne 0) { exit($LASTEXITCODE)}
$env:HIPCXX=$oldHIPCXX
$env:HIP_PLATFORM=$oldHIP_PLATFORM
$env:CMAKE_PREFIX_PATH=$oldCMAKE_PREFIX_PATH
$env:CC=$oldCC
$env:CXX=$oldCXX
& cmake --build "build\llama-server-$rocmBackend" --config Release --parallel $script:JOBS
if ($LASTEXITCODE -ne 0) { exit($LASTEXITCODE)}
& cmake --install "build\llama-server-$rocmBackend" --component llama-server --strip
if ($LASTEXITCODE -ne 0) { exit($LASTEXITCODE)}
} else {
Write-Output "ROCm v7 not detected, skipping"
}
}
}
function vulkan {
if ($env:VULKAN_SDK) {
Write-Output "Building llama-server Vulkan backend"
# Use short build path to avoid Windows MAX_PATH issues — the Vulkan
# shader generator uses ExternalProject_Add which creates deep nesting
& cmake -S llama\server --preset vulkan -B build\ls-vk --install-prefix $script:DIST_DIR
if ($LASTEXITCODE -ne 0) { exit($LASTEXITCODE)}
& cmake --build build\ls-vk --config Release --parallel $script:JOBS
if ($LASTEXITCODE -ne 0) { exit($LASTEXITCODE)}
& cmake --install build\ls-vk --component llama-server --strip
if ($LASTEXITCODE -ne 0) { exit($LASTEXITCODE)}
} else {
Write-Output "Vulkan not detected, skipping"
}
}
function mlxCuda13 {
mkdir -Force -path "${script:DIST_DIR}\" | Out-Null
$cudaMajorVer="13"
if ($script:ARCH -ne "arm64") {
if ("$script:CUDA_DIRS".Contains("v$cudaMajorVer")) {
foreach ($d in $Script:CUDA_DIRS){
if ($d.FullName.Contains("v$cudaMajorVer")) {
if (test-path -literalpath (join-path -path $d -childpath "nvcc.exe" ) ) {
$cuda=($d.FullName|split-path -parent)
break
}
}
}
# Check for cuDNN - required for MLX CUDA backend
# Supports two layouts:
# 1. CI/zip extract: CUDNN\include\cudnn.h, lib\x64\, bin\x64\
# 2. Official installer: CUDNN\v*\include\{cuda-ver}\cudnn.h, lib\{cuda-ver}\x64\, bin\{cuda-ver}\
if ($env:CUDNN_INCLUDE_PATH -and $env:CUDNN_LIBRARY_PATH) {
Write-Output "Using cuDNN from environment: $env:CUDNN_INCLUDE_PATH"
} elseif (Test-Path "C:\Program Files\NVIDIA\CUDNN\include\cudnn.h") {
# CI/zip layout (flat)
$cudnnRoot = "C:\Program Files\NVIDIA\CUDNN"
$env:CUDNN_ROOT_DIR = $cudnnRoot
$env:CUDNN_INCLUDE_PATH = "$cudnnRoot\include"
$env:CUDNN_LIBRARY_PATH = "$cudnnRoot\lib\x64"
Write-Output "Found cuDNN at $cudnnRoot (flat layout)"
} else {
# Official installer layout (versioned)
$cudnnRoot = $null
$resolved = Resolve-Path -Path "C:\Program Files\NVIDIA\CUDNN\v*" -ErrorAction SilentlyContinue | Sort-Object -Descending | Select-Object -First 1
if ($resolved -and (Test-Path "$($resolved.Path)\include\$cudaMajorVer.0\cudnn.h")) {
$cudnnRoot = $resolved.Path
$env:CUDNN_ROOT_DIR = $cudnnRoot
$env:CUDNN_INCLUDE_PATH = "$cudnnRoot\include\$cudaMajorVer.0"
$env:CUDNN_LIBRARY_PATH = "$cudnnRoot\lib\$cudaMajorVer.0\x64"
Write-Output "Found cuDNN at $cudnnRoot (official installer, CUDA $cudaMajorVer.0)"
} else {
Write-Output "cuDNN not found - set CUDNN_INCLUDE_PATH and CUDNN_LIBRARY_PATH environment variables"
Write-Output "Skipping MLX build"
return
}
}
Write-Output "Building MLX CUDA v$cudaMajorVer backend libraries $cuda"
$env:CUDAToolkit_ROOT=$cuda
$cudaFlags = @()
if ($env:OLLAMA_CMAKE_CUDA_FLAGS) {
$cudaFlags += "-DCMAKE_CUDA_FLAGS=$env:OLLAMA_CMAKE_CUDA_FLAGS"
}
$cudaToolsetArgs = cudaCMakeArgs $cuda
$configureArgs = @("-S", ".", "-B", "build\mlx_cuda_v$cudaMajorVer", "-DOLLAMA_MLX_BACKENDS=cuda_v$cudaMajorVer") + $cudaToolsetArgs + $cudaFlags + @("-DOLLAMA_PAYLOAD_INSTALL_PREFIX=$script:DIST_DIR", "--install-prefix", "$script:DIST_DIR")
& cmake @configureArgs
if ($LASTEXITCODE -ne 0) { exit($LASTEXITCODE)}
$buildArgs = @("--build", "build\mlx_cuda_v$cudaMajorVer", "--target", "ollama-mlx-cuda_v$cudaMajorVer", "--config", "Release", "--parallel", "$script:JOBS")
if ($env:CMAKE_GENERATOR -notlike "Ninja*") {
$buildArgs += @("--", "/nodeReuse:false")
}
& cmake @buildArgs
if ($LASTEXITCODE -ne 0) { exit($LASTEXITCODE)}
} else {
Write-Output "CUDA v$cudaMajorVer not detected, skipping MLX build"
}
}
}
function withWindowsArm64GoEnv {
param (
[scriptblock]$body
)
$oldGOOS = $env:GOOS
$oldGOARCH = $env:GOARCH
$oldCGO_ENABLED = $env:CGO_ENABLED
$oldCC = $env:CC
$oldCXX = $env:CXX
$oldPath = $env:PATH
$compilerDir = Split-Path -Parent $script:WINDOWS_ARM64_CC
$compiler = Split-Path -Leaf $script:WINDOWS_ARM64_CC
$compilerXX = Split-Path -Leaf $script:WINDOWS_ARM64_CXX
try {
$env:GOOS = "windows"
$env:GOARCH = "arm64"
$env:CGO_ENABLED = "1"
$env:PATH = "$compilerDir;$oldPath"
$env:CC = $compiler
$env:CXX = $compilerXX
& $body
} finally {
$env:GOOS = $oldGOOS
$env:GOARCH = $oldGOARCH
$env:CGO_ENABLED = $oldCGO_ENABLED
$env:CC = $oldCC
$env:CXX = $oldCXX
$env:PATH = $oldPath
}
}
function buildOllamaCLI {
param (
[string]$distDir
)
mkdir -Force -path "${distDir}\" | Out-Null
& go build -trimpath -ldflags "-s -w -X=github.com/ollama/ollama/version.Version=$script:VERSION -X=github.com/ollama/ollama/server.mode=release" -o "${distDir}\ollama.exe" .
if ($LASTEXITCODE -ne 0) { exit($LASTEXITCODE)}
}
function ollama {
Write-Output "Building ollama CLI"
buildOllamaCLI $script:DIST_DIR
}
function ollamaArm64 {
if (-not $script:WINDOWS_ARM64_CROSS_COMPILE) {
Write-Output "WARNING: skipping ollamaArm64; Windows ARM64 cross-compiling is disabled due to missing tools"
return
}
Write-Output "Building ollama CLI for arm64"
withWindowsArm64GoEnv {
buildOllamaCLI "${script:SRC_DIR}\dist\windows-arm64"
}
}
function prepareApp {
if ($script:APP_PREPARED) {
return
}
Write-Output "Building Ollama App $script:VERSION with package version $script:PKG_VERSION"
if (!(Get-Command npm -ErrorAction SilentlyContinue)) {
Write-Output "npm is not installed. Please install Node.js and npm first:"
Write-Output " Visit: https://nodejs.org/"
exit 1
}
if (!(Get-Command tsc -ErrorAction SilentlyContinue)) {
Write-Output "Installing TypeScript compiler..."
npm install -g typescript
}
if (!(Get-Command tscriptify -ErrorAction SilentlyContinue)) {
Write-Output "Installing tscriptify..."
go install github.com/tkrajina/typescriptify-golang-structs/tscriptify@latest
}
if (!(Get-Command tscriptify -ErrorAction SilentlyContinue)) {
$env:PATH="$env:PATH;$(go env GOPATH)\bin"
}
Push-Location app/ui/app
npm install
if ($LASTEXITCODE -ne 0) {
Write-Output "ERROR: npm install failed with exit code $LASTEXITCODE"
exit $LASTEXITCODE
}
Write-Output "Building React application..."
npm run build
if ($LASTEXITCODE -ne 0) {
Write-Output "ERROR: npm run build failed with exit code $LASTEXITCODE"
exit $LASTEXITCODE
}
# Check if dist directory exists and has content
if (!(Test-Path "dist")) {
Write-Output "ERROR: dist directory was not created by npm run build"
exit 1
}
$distFiles = Get-ChildItem "dist" -Recurse
if ($distFiles.Count -eq 0) {
Write-Output "ERROR: dist directory is empty after npm run build"
exit 1
}
Pop-Location
Write-Output "Running go generate"
& go generate ./...
if ($LASTEXITCODE -ne 0) { exit($LASTEXITCODE)}
$script:APP_PREPARED = $true
}
function buildApp {
param (
[string]$arch
)
& go build -trimpath -ldflags "-s -w -H windowsgui -X=github.com/ollama/ollama/app/version.Version=$script:VERSION" -o .\dist\windows-ollama-app-${arch}.exe ./app/cmd/app/
if ($LASTEXITCODE -ne 0) { exit($LASTEXITCODE)}
}
function app {
prepareApp
buildApp $script:ARCH
}
function appArm64 {
if (-not $script:WINDOWS_ARM64_CROSS_COMPILE) {
Write-Output "WARNING: skipping appArm64; Windows ARM64 cross-compiling is disabled due to missing tools"
return
}
prepareApp
Write-Output "Building Ollama App for arm64"
withWindowsArm64GoEnv {
buildApp "arm64"
}
}
function deps {
# MSVC CRT DLLs (vcruntime140.dll, msvcp140.dll, etc.) are now bundled
# directly alongside the executables by CMake's RUNTIME_DEPENDENCIES
# mechanism during install. No need to download vc_redist.exe.
Write-Output "deps: no external dependencies to download (CRT DLLs bundled by CMake install)"
}
function sign {
# Copy install.ps1 to dist for release packaging
Write-Output "Copying install.ps1 to dist"
Copy-Item -Path "${script:SRC_DIR}\scripts\install.ps1" -Destination "${script:SRC_DIR}\dist\install.ps1" -ErrorAction Stop
if ("${env:KEY_CONTAINER}") {
Write-Output "Signing Ollama executables, scripts and libraries"
& "${script:SignTool}" sign /v /fd sha256 /t http://timestamp.digicert.com /f "${script:OLLAMA_CERT}" `
/csp "Google Cloud KMS Provider" /kc ${env:KEY_CONTAINER} `
$(get-childitem -path "${script:SRC_DIR}\dist\windows-*" -r -include @('*.exe', '*.dll'))
if ($LASTEXITCODE -ne 0) { exit($LASTEXITCODE)}
Write-Output "Signing install.ps1"
& "${script:SignTool}" sign /v /fd sha256 /t http://timestamp.digicert.com /f "${script:OLLAMA_CERT}" `
/csp "Google Cloud KMS Provider" /kc ${env:KEY_CONTAINER} `
"${script:SRC_DIR}\dist\install.ps1"
if ($LASTEXITCODE -ne 0) { exit($LASTEXITCODE)}
} else {
Write-Output "Signing not enabled"
}
}
function installer {
if ($null -eq ${script:INNO_SETUP_DIR}) {
Write-Output "ERROR: missing Inno Setup installation directory - install from https://jrsoftware.org/isdl.php"
exit 1
}
Write-Output "Building Ollama Installer"
cd "${script:SRC_DIR}\app"
$env:PKG_VERSION=$script:PKG_VERSION
if ("${env:KEY_CONTAINER}") {
& "${script:INNO_SETUP_DIR}\ISCC.exe" /DARCH=$script:TARGET_ARCH /SMySignTool="${script:SignTool} sign /fd sha256 /t http://timestamp.digicert.com /f ${script:OLLAMA_CERT} /csp `$qGoogle Cloud KMS Provider`$q /kc ${env:KEY_CONTAINER} `$f" .\ollama.iss
} else {
& "${script:INNO_SETUP_DIR}\ISCC.exe" /DARCH=$script:TARGET_ARCH .\ollama.iss
}
if ($LASTEXITCODE -ne 0) { exit($LASTEXITCODE)}
}
function newZipJob($sourceDir, $destZip) {
$use7z = [bool](Get-Command 7z -ErrorAction SilentlyContinue)
Start-Job -ScriptBlock {
param($src, $dst, $use7z)
if ($use7z) {
& 7z a -tzip -mx=7 -mmt=on $dst "${src}\*"
if ($LASTEXITCODE -ne 0) { throw "7z failed with exit code $LASTEXITCODE" }
} else {
Compress-Archive -CompressionLevel Optimal -Path "${src}\*" -DestinationPath $dst -Force
}
} -ArgumentList $sourceDir, $destZip, $use7z
}
function newDependencyAuditJob($payloadDir, $label, $reportPath, $dependencyDirs = @()) {
$dumpbin = findDumpbin
if (-not $dumpbin) {
throw "Unable to locate dumpbin.exe for dependency audit"
}
$dependencyDirText = [string]::Join([IO.Path]::PathSeparator, @($dependencyDirs))
Start-Job -ScriptBlock {
param($root, $name, $report, $dumpbinPath, $dependencyRootText)
$ErrorActionPreference = "Stop"
$systemDlls = @(
"advapi32.dll", "bcrypt.dll", "cfgmgr32.dll", "combase.dll",
"comctl32.dll", "comdlg32.dll", "crypt32.dll", "d3d12.dll",
"dbghelp.dll", "dxcore.dll", "dxgi.dll", "gdi32.dll",
"gdi32full.dll", "imm32.dll", "iphlpapi.dll", "kernel32.dll",
"mpr.dll", "msasn1.dll", "msvcrt.dll", "ncrypt.dll",
"normaliz.dll", "ntdll.dll", "ole32.dll", "oleaut32.dll",
"powrprof.dll", "propsys.dll", "rpcrt4.dll", "sechost.dll",
"secur32.dll", "setupapi.dll", "shell32.dll", "shlwapi.dll",
"ucrtbase.dll", "user32.dll", "userenv.dll", "version.dll",
"winhttp.dll", "winmm.dll", "ws2_32.dll"
)
$driverDlls = @(
"nvcuda.dll", "nvml.dll", "vulkan-1.dll"
)
$dependencyRoots = @()
if ($dependencyRootText) {
$dependencyRoots = $dependencyRootText -split [regex]::Escape([IO.Path]::PathSeparator)
}
$availableRoots = @($root) + $dependencyRoots | Where-Object { $_ -and (Test-Path -Path $_) } | Select-Object -Unique
$binaries = Get-ChildItem -Path $root -Recurse -File -Include *.dll,*.exe | Sort-Object FullName
$available = @{}
foreach ($availableRoot in $availableRoots) {
foreach ($binary in (Get-ChildItem -Path $availableRoot -Recurse -File -Include *.dll,*.exe)) {
$available[$binary.Name.ToLowerInvariant()] = $true
}
}
$reportLines = [System.Collections.Generic.List[string]]::new()
$reportLines.Add("Dependency roots:")
foreach ($availableRoot in $availableRoots) {
$reportLines.Add(" $availableRoot")
}
$reportLines.Add("")
$missing = [System.Collections.Generic.List[string]]::new()
foreach ($binary in $binaries) {
$reportLines.Add("[$($binary.FullName)]")
$output = & $dumpbinPath /nologo /dependents $binary.FullName 2>&1
if ($LASTEXITCODE -ne 0) {
throw "dumpbin failed for $($binary.FullName) with exit code $LASTEXITCODE"
}
foreach ($line in $output) {
if ($line -match '^\s+([A-Za-z0-9._-]+\.dll)\s*$') {
$dep = $matches[1]
$depLower = $dep.ToLowerInvariant()
$reportLines.Add(" $dep")
if ($available.ContainsKey($depLower)) {
continue
}
if ($systemDlls -contains $depLower) {
continue
}
if ($driverDlls -contains $depLower) {
continue
}
if ($depLower -like 'api-ms-win-*.dll' -or $depLower -like 'ext-ms-*.dll') {
continue
}
$missing.Add("$($binary.FullName) -> $dep")
}
}
}
$reportDir = Split-Path -Parent $report
if ($reportDir) {
New-Item -ItemType Directory -Force -Path $reportDir | Out-Null
}
Set-Content -Path $report -Value $reportLines
if ($missing.Count -gt 0) {
$summary = [System.String]::Join([Environment]::NewLine, $missing)
throw "Dependency audit failed for $name`n$summary"
}
} -ArgumentList $payloadDir, $label, $reportPath, $dumpbin, $dependencyDirText
}
function stageComponents($mainDir, $stagingDir, $pattern, $readmePrefix) {
$components = Get-ChildItem -Path "${mainDir}\lib\ollama" -Directory -Filter $pattern -ErrorAction SilentlyContinue
if ($components) {
Remove-Item -ea 0 -r $stagingDir
mkdir -Force -path "${stagingDir}\lib\ollama" | Out-Null
Write-Output "Extract this ${readmePrefix} zip file to the same location where you extracted ollama-windows-amd64.zip" > "${stagingDir}\README_${readmePrefix}.txt"
foreach ($dir in $components) {
Write-Output " Staging $($dir.Name)"
Move-Item -path $dir.FullName -destination "${stagingDir}\lib\ollama\$($dir.Name)"
}
return $true
}
return $false
}
function restoreComponents($mainDir, $stagingDir) {
if (Test-Path -Path "${stagingDir}\lib\ollama") {
foreach ($dir in (Get-ChildItem -Path "${stagingDir}\lib\ollama" -Directory)) {
Move-Item -path $dir.FullName -destination "${mainDir}\lib\ollama\$($dir.Name)"
}
}
Remove-Item -ea 0 -r $stagingDir
}
function zip {
$jobs = @()
$distDir = "${script:SRC_DIR}\dist"
$amd64Dir = "${distDir}\windows-amd64"
# Remove any stale zip files before starting
Remove-Item -ea 0 "${distDir}\ollama-windows-*.zip"
try {
if (Test-Path -Path $amd64Dir) {
# Stage ROCm into its own directory for independent compression.
if (stageComponents $amd64Dir "${distDir}\windows-amd64-rocm" "rocm_v*" "ROCm") {
Write-Output "Generating ${distDir}\ollama-windows-amd64-rocm.zip"
$jobs += newZipJob "${distDir}\windows-amd64-rocm" "${distDir}\ollama-windows-amd64-rocm.zip"
$jobs += newDependencyAuditJob "${distDir}\windows-amd64-rocm" "windows-amd64-rocm" "${distDir}\dependency-audit-windows-amd64-rocm.txt" $amd64Dir
}
# Stage MLX into its own directory for independent compression
if (stageComponents $amd64Dir "${distDir}\windows-amd64-mlx" "mlx_*" "MLX") {
Write-Output "Generating ${distDir}\ollama-windows-amd64-mlx.zip"
$jobs += newZipJob "${distDir}\windows-amd64-mlx" "${distDir}\ollama-windows-amd64-mlx.zip"
$jobs += newDependencyAuditJob "${distDir}\windows-amd64-mlx" "windows-amd64-mlx" "${distDir}\dependency-audit-windows-amd64-mlx.txt" $amd64Dir
}
# Compress the main amd64 zip (without rocm/mlx)
Write-Output "Generating ${distDir}\ollama-windows-amd64.zip"
$jobs += newZipJob $amd64Dir "${distDir}\ollama-windows-amd64.zip"
$jobs += newDependencyAuditJob $amd64Dir "windows-amd64" "${distDir}\dependency-audit-windows-amd64.txt"
}
$arm64Dir = "${distDir}\windows-arm64"
if (Test-Path -Path $arm64Dir) {
if ((Test-Path -Path "${arm64Dir}\ollama.exe") -and (Test-Path -Path "${arm64Dir}\lib\ollama\llama-server.exe")) {
Write-Output "Generating ${distDir}\ollama-windows-arm64.zip"
$jobs += newZipJob $arm64Dir "${distDir}\ollama-windows-arm64.zip"
$jobs += newDependencyAuditJob $arm64Dir "windows-arm64" "${distDir}\dependency-audit-windows-arm64.txt"
} else {
Write-Output "Skipping ${distDir}\ollama-windows-arm64.zip; missing ARM64 ollama.exe or llama-server.exe"
}
}
if ($jobs.Count -gt 0) {
Write-Output "Waiting for $($jobs.Count) parallel zip jobs..."
$jobs | Wait-Job | Out-Null
$failed = $false
foreach ($job in $jobs) {
if ($job.State -eq 'Failed') {
Write-Error "Zip job failed: $($job.ChildJobs[0].JobStateInfo.Reason)"
$failed = $true
}
Receive-Job $job
Remove-Job $job
}
if ($failed) { throw "One or more zip jobs failed" }
}
} finally {
# Always restore staged components back into the main tree
restoreComponents $amd64Dir "${distDir}\windows-amd64-rocm"
restoreComponents $amd64Dir "${distDir}\windows-amd64-mlx"
}
}
function clean {
Remove-Item -ea 0 -r "${script:SRC_DIR}\dist\"
Remove-Item -ea 0 -r "${script:SRC_DIR}\build\"
}
checkEnv
try {
if ($($args.count) -eq 0) {
cpu
cuda12
cuda13
rocm7
vulkan
mlxCuda13
ollama
app
cpuArm64
ollamaArm64
appArm64
deps
sign
installer
zip
} else {
for ( $i = 0; $i -lt $args.count; $i++ ) {
Write-Output "running build step $($args[$i])"
& $($args[$i])
}
}
} catch {
Write-Error "Build Failed: $($_.Exception.Message)"
Write-Error "$($_.ScriptStackTrace)"
} finally {
set-location $script:SRC_DIR
$env:PKG_VERSION=""
}