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win: favor ninja for faster developer builds

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This commit is contained in:
Daniel Hiltgen 2026-05-08 15:19:41 -07:00
parent 4d142c0724
commit 396eff5d84
2 changed files with 28 additions and 3 deletions
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2
docs/development.md
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@ -43,10 +43,10 @@ go run . serve
Install prerequisites:
- [CMake](https://cmake.org/download/)
- [Ninja](https://github.com/ninja-build/ninja/releases) in `PATH`
- [Visual Studio 2022](https://visualstudio.microsoft.com/downloads/) including the Native Desktop Workload
- (Optional) AMD GPU support
- [ROCm](https://rocm.docs.amd.com/en/latest/)
- [Ninja](https://github.com/ninja-build/ninja/releases)
- (Optional) NVIDIA GPU support
- [CUDA SDK](https://developer.nvidia.com/cuda-downloads?target_os=Windows&target_arch=x86_64&target_version=11&target_type=exe_network)
- (Optional) VULKAN GPU support

29
scripts/build_windows.ps1
View file

@ -122,6 +122,17 @@ function checkEnv {
} 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: $env:CMAKE_GENERATOR"
}
if ($env:OLLAMA_BUILD_PARALLEL) {
$script:JOBS=[int]$env:OLLAMA_BUILD_PARALLEL
} else {
@ -198,6 +209,18 @@ function cuda11 {
Write-Output "CUDA v11 is no longer supported"
}
function cudaCMakeArgs {
param (
[string]$cuda
)
$args = @("-DCMAKE_CUDA_COMPILER=$cuda\bin\nvcc.exe")
if ($env:CMAKE_GENERATOR -notlike "Ninja*") {
$args = @("-T", "cuda=$cuda") + $args
}
return $args
}
function cudaCommon {
param (
[string]$cudaMajorVer
@ -220,7 +243,8 @@ function cudaCommon {
# MSVC cl.exe template explosion (hangs during compilation)
$preset = "cuda-v$cudaMajorVer"
if ($cudaMajorVer -eq "13") { $preset = "cuda-v13-windows" }
& cmake -S llama\server --preset $preset -T cuda="$cuda" -DCMAKE_CUDA_COMPILER="$cuda\bin\nvcc.exe" --install-prefix "$script:DIST_DIR"
$cudaToolsetArgs = cudaCMakeArgs $cuda
& cmake -S llama\server --preset $preset @cudaToolsetArgs --install-prefix "$script:DIST_DIR"
if ($LASTEXITCODE -ne 0) { exit($LASTEXITCODE)}
& cmake --build "build\llama-server-cuda-v$cudaMajorVer" --config Release --parallel $script:JOBS
if ($LASTEXITCODE -ne 0) { exit($LASTEXITCODE)}
@ -362,7 +386,8 @@ function mlxCuda13 {
if ($env:OLLAMA_CMAKE_CUDA_FLAGS) {
$cudaFlags += "-DCMAKE_CUDA_FLAGS=$env:OLLAMA_CMAKE_CUDA_FLAGS"
}
& cmake -B build\mlx_cuda_v$cudaMajorVer --preset "MLX CUDA $cudaMajorVer" -T cuda="$cuda" @cudaFlags --install-prefix "$script:DIST_DIR"
$cudaToolsetArgs = cudaCMakeArgs $cuda
& cmake -B build\mlx_cuda_v$cudaMajorVer --preset "MLX CUDA $cudaMajorVer" @cudaToolsetArgs @cudaFlags --install-prefix "$script:DIST_DIR"
if ($LASTEXITCODE -ne 0) { exit($LASTEXITCODE)}
& cmake --build build\mlx_cuda_v$cudaMajorVer --target mlx --target mlxc --config Release --parallel $script:JOBS -- /nodeReuse:false
if ($LASTEXITCODE -ne 0) { exit($LASTEXITCODE)}