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6b5db12aa2f8841629cac89d9deb87486512fdb4
ollama-ollama/scripts/build_darwin.sh
Daniel Hiltgen 6b5db12aa2 mlx: remove stale x86 libmlx library (#15443) 
Fixes #15433
2026-04-08 20:51:47 -07:00

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#!/bin/sh
# Note:
# While testing, if you double-click on the Ollama.app
# some state is left on MacOS and subsequent attempts
# to build again will fail with:
#
# hdiutil: create failed - Operation not permitted
#
# To work around, specify another volume name with:
#
# VOL_NAME="$(date)" ./scripts/build_darwin.sh
#
VOL_NAME=${VOL_NAME:-"Ollama"}
export VERSION=${VERSION:-$(git describe --tags --first-parent --abbrev=7 --long --dirty --always | sed -e "s/^v//g")}
export GOFLAGS="'-ldflags=-w -s \"-X=github.com/ollama/ollama/version.Version=${VERSION#v}\" \"-X=github.com/ollama/ollama/server.mode=release\"'"
export CGO_CFLAGS="-O3 -mmacosx-version-min=14.0"
export CGO_CXXFLAGS="-O3 -mmacosx-version-min=14.0"
export CGO_LDFLAGS="-mmacosx-version-min=14.0"
set -e
status() { echo >&2 ">>> $@"; }
usage() {
echo "usage: $(basename $0) [build app [sign]]"
exit 1
}
mkdir -p dist
ARCHS="arm64 amd64"
while getopts "a:h" OPTION; do
case $OPTION in
a) ARCHS=$OPTARG ;;
h) usage ;;
esac
done
shift $(( $OPTIND - 1 ))
_build_darwin() {
for ARCH in $ARCHS; do
status "Building darwin $ARCH"
INSTALL_PREFIX=dist/darwin-$ARCH/
if [ "$ARCH" = "amd64" ]; then
status "Building darwin $ARCH dynamic backends"
BUILD_DIR=build/darwin-$ARCH
cmake -B $BUILD_DIR \
-DCMAKE_OSX_ARCHITECTURES=x86_64 \
-DCMAKE_OSX_DEPLOYMENT_TARGET=14.0 \
-DCMAKE_INSTALL_PREFIX=$INSTALL_PREFIX \
-DMLX_ENGINE=ON \
-DMLX_ENABLE_X64_MAC=ON \
-DOLLAMA_RUNNER_DIR=./
cmake --build $BUILD_DIR --target ggml-cpu -j
cmake --build $BUILD_DIR --target mlx mlxc -j
cmake --install $BUILD_DIR --component CPU
cmake --install $BUILD_DIR --component MLX
# Override CGO flags to point to the amd64 build directory
MLX_CGO_CFLAGS="-O3 -mmacosx-version-min=14.0"
MLX_CGO_LDFLAGS="-ldl -lc++ -framework Accelerate -mmacosx-version-min=14.0"
else
# CPU backend (ggml-cpu, installed flat to lib/ollama/)
BUILD_DIR_CPU=build/arm64-cpu
status "Building arm64 CPU backend"
cmake -S . -B $BUILD_DIR_CPU \
-DCMAKE_BUILD_TYPE=Release \
-DCMAKE_OSX_DEPLOYMENT_TARGET=14.0 \
-DCMAKE_INSTALL_PREFIX=$INSTALL_PREFIX
cmake --build $BUILD_DIR_CPU --target ggml-cpu --parallel
cmake --install $BUILD_DIR_CPU --component CPU
# Build MLX twice for arm64
# Metal 3.x build (backward compatible, macOS 14+)
BUILD_DIR=build/metal-v3
status "Building MLX Metal v3 (macOS 14+)"
cmake -S . -B $BUILD_DIR \
-DCMAKE_BUILD_TYPE=Release \
-DMLX_ENGINE=ON \
-DOLLAMA_RUNNER_DIR=mlx_metal_v3 \
-DCMAKE_OSX_DEPLOYMENT_TARGET=14.0 \
-DCMAKE_INSTALL_PREFIX=$INSTALL_PREFIX
cmake --build $BUILD_DIR --target mlx mlxc --parallel
cmake --install $BUILD_DIR --component MLX
# Metal 4.x build (NAX-enabled, macOS 26+)
# Only possible with Xcode 26+ SDK; skip on older toolchains.
SDK_MAJOR=$(xcrun --show-sdk-version 2>/dev/null | cut -d. -f1)
if [ "${SDK_MAJOR:-0}" -ge 26 ]; then
V3_DEPS=$BUILD_DIR/_deps
BUILD_DIR_V4=build/metal-v4
status "Building MLX Metal v4 (macOS 26+, NAX)"
cmake -S . -B $BUILD_DIR_V4 \
-DCMAKE_BUILD_TYPE=Release \
-DMLX_ENGINE=ON \
-DOLLAMA_RUNNER_DIR=mlx_metal_v4 \
-DCMAKE_OSX_DEPLOYMENT_TARGET=26.0 \
-DCMAKE_INSTALL_PREFIX=$INSTALL_PREFIX \
-DFETCHCONTENT_SOURCE_DIR_MLX=$V3_DEPS/mlx-src \
-DFETCHCONTENT_SOURCE_DIR_MLX-C=$V3_DEPS/mlx-c-src \
-DFETCHCONTENT_SOURCE_DIR_JSON=$V3_DEPS/json-src \
-DFETCHCONTENT_SOURCE_DIR_FMT=$V3_DEPS/fmt-src \
-DFETCHCONTENT_SOURCE_DIR_METAL_CPP=$V3_DEPS/metal_cpp-src
cmake --build $BUILD_DIR_V4 --target mlx mlxc --parallel
cmake --install $BUILD_DIR_V4 --component MLX
else
status "Skipping MLX Metal v4 (SDK $SDK_MAJOR < 26, need Xcode 26+)"
fi
# Use the v3 build for CGO linking (compatible with both)
MLX_CGO_CFLAGS="-O3 -mmacosx-version-min=14.0"
MLX_CGO_LDFLAGS="-lc++ -framework Metal -framework Foundation -framework Accelerate -mmacosx-version-min=14.0"
fi
GOOS=darwin GOARCH=$ARCH CGO_ENABLED=1 CGO_CFLAGS="$MLX_CGO_CFLAGS" CGO_LDFLAGS="$MLX_CGO_LDFLAGS" go build -o $INSTALL_PREFIX .
# MLX libraries stay in lib/ollama/ (flat or variant subdirs).
# The runtime discovery in dynamic.go searches lib/ollama/ relative
# to the executable, including mlx_* subdirectories.
done
}
_sign_darwin() {
status "Creating universal binary..."
mkdir -p dist/darwin
lipo -create -output dist/darwin/ollama dist/darwin-*/ollama
chmod +x dist/darwin/ollama
if [ -n "$APPLE_IDENTITY" ]; then
for F in dist/darwin/ollama dist/darwin-*/lib/ollama/* dist/darwin-*/lib/ollama/mlx_metal_v*/*; do
[ -f "$F" ] && [ ! -L "$F" ] || continue
codesign -f --timestamp -s "$APPLE_IDENTITY" --identifier ai.ollama.ollama --options=runtime "$F"
done
# create a temporary zip for notarization
TEMP=$(mktemp -u).zip
ditto -c -k --keepParent dist/darwin/ollama "$TEMP"
xcrun notarytool submit "$TEMP" --wait --timeout 20m --apple-id $APPLE_ID --password $APPLE_PASSWORD --team-id $APPLE_TEAM_ID
rm -f "$TEMP"
fi
status "Creating universal tarball..."
tar -cf dist/ollama-darwin.tar --strip-components 2 dist/darwin/ollama
tar -rf dist/ollama-darwin.tar --strip-components 4 dist/darwin-amd64/lib/
tar -rf dist/ollama-darwin.tar --strip-components 4 dist/darwin-arm64/lib/
gzip -9vc <dist/ollama-darwin.tar >dist/ollama-darwin.tgz
}
_build_macapp() {
if ! command -v npm &> /dev/null; then
echo "npm is not installed. Please install Node.js and npm first:"
echo " Visit: https://nodejs.org/"
exit 1
fi
if ! command -v tsc &> /dev/null; then
echo "Installing TypeScript compiler..."
npm install -g typescript
fi
echo "Installing required Go tools..."
cd app/ui/app
npm install
npm run build
cd ../../..
# Build the Ollama.app bundle
rm -rf dist/Ollama.app
cp -a ./app/darwin/Ollama.app dist/Ollama.app
# update the modified date of the app bundle to now
touch dist/Ollama.app
go clean -cache
GOARCH=amd64 CGO_ENABLED=1 GOOS=darwin go build -o dist/darwin-app-amd64 -ldflags="-s -w -X=github.com/ollama/ollama/app/version.Version=${VERSION}" ./app/cmd/app
GOARCH=arm64 CGO_ENABLED=1 GOOS=darwin go build -o dist/darwin-app-arm64 -ldflags="-s -w -X=github.com/ollama/ollama/app/version.Version=${VERSION}" ./app/cmd/app
mkdir -p dist/Ollama.app/Contents/MacOS
lipo -create -output dist/Ollama.app/Contents/MacOS/Ollama dist/darwin-app-amd64 dist/darwin-app-arm64
rm -f dist/darwin-app-amd64 dist/darwin-app-arm64
# Create a mock Squirrel.framework bundle
mkdir -p dist/Ollama.app/Contents/Frameworks/Squirrel.framework/Versions/A/Resources/
cp -a dist/Ollama.app/Contents/MacOS/Ollama dist/Ollama.app/Contents/Frameworks/Squirrel.framework/Versions/A/Squirrel
ln -s ../Squirrel dist/Ollama.app/Contents/Frameworks/Squirrel.framework/Versions/A/Resources/ShipIt
cp -a ./app/cmd/squirrel/Info.plist dist/Ollama.app/Contents/Frameworks/Squirrel.framework/Versions/A/Resources/Info.plist
ln -s A dist/Ollama.app/Contents/Frameworks/Squirrel.framework/Versions/Current
ln -s Versions/Current/Resources dist/Ollama.app/Contents/Frameworks/Squirrel.framework/Resources
ln -s Versions/Current/Squirrel dist/Ollama.app/Contents/Frameworks/Squirrel.framework/Squirrel
# Update the version in the Info.plist
plutil -replace CFBundleShortVersionString -string "$VERSION" dist/Ollama.app/Contents/Info.plist
plutil -replace CFBundleVersion -string "$VERSION" dist/Ollama.app/Contents/Info.plist
# Setup the ollama binaries
mkdir -p dist/Ollama.app/Contents/Resources
if [ -d dist/darwin-amd64 ]; then
lipo -create -output dist/Ollama.app/Contents/Resources/ollama dist/darwin-amd64/ollama dist/darwin-arm64/ollama
# Copy .so files from both architectures (names don't collide: arm64=libggml-cpu.so, amd64=libggml-cpu-*.so)
cp dist/darwin-arm64/lib/ollama/*.so dist/Ollama.app/Contents/Resources/ 2>/dev/null || true
cp dist/darwin-amd64/lib/ollama/*.so dist/Ollama.app/Contents/Resources/ 2>/dev/null || true
# Lipo common dylibs into universal binaries, copy amd64-only ones as-is.
# Skip MLX dylibs (libmlx*.dylib) — on arm64 these live in variant
# subdirs (mlx_metal_v3/) and are lipo'd there below. Copying the
# amd64 flat copy here would produce an x86_64-only dylib in
# Resources/ that shadows the variant subdirs.
for F in dist/darwin-amd64/lib/ollama/*.dylib; do
[ -f "$F" ] && [ ! -L "$F" ] || continue
BASE=$(basename "$F")
case "$BASE" in libmlx*) continue ;; esac
if [ -f "dist/darwin-arm64/lib/ollama/$BASE" ]; then
lipo -create -output "dist/Ollama.app/Contents/Resources/$BASE" "$F" "dist/darwin-arm64/lib/ollama/$BASE"
else
cp "$F" dist/Ollama.app/Contents/Resources/
fi
done
# Recreate ggml-base symlinks
(cd dist/Ollama.app/Contents/Resources && ln -sf libggml-base.0.0.0.dylib libggml-base.0.dylib && ln -sf libggml-base.0.dylib libggml-base.dylib) 2>/dev/null || true
# MLX Metal variant subdirs from arm64
for VARIANT in dist/darwin-arm64/lib/ollama/mlx_metal_v*/; do
[ -d "$VARIANT" ] || continue
VNAME=$(basename "$VARIANT")
DEST=dist/Ollama.app/Contents/Resources/$VNAME
mkdir -p "$DEST"
if [ "$VNAME" = "mlx_metal_v3" ]; then
# v3: lipo amd64 flat + arm64 v3 into universal dylibs
for LIB in libmlx.dylib libmlxc.dylib; do
if [ -f "dist/darwin-amd64/lib/ollama/$LIB" ] && [ -f "$VARIANT$LIB" ]; then
lipo -create -output "$DEST/$LIB" "dist/darwin-amd64/lib/ollama/$LIB" "$VARIANT$LIB"
elif [ -f "$VARIANT$LIB" ]; then
cp "$VARIANT$LIB" "$DEST/"
fi
done
# Copy remaining files (metallib) from arm64 v3
for F in "$VARIANT"*; do
case "$(basename "$F")" in *.dylib) continue ;; esac
[ -f "$F" ] && [ ! -L "$F" ] || continue
cp "$F" "$DEST/"
done
else
# v4+: arm64-only, copy all non-symlink files
for F in "$VARIANT"*; do
[ -f "$F" ] && [ ! -L "$F" ] || continue
cp "$F" "$DEST/"
done
fi
done
else
cp -a dist/darwin/ollama dist/Ollama.app/Contents/Resources/ollama
# arm64-only build: copy variant subdirs directly
for VARIANT in dist/darwin-arm64/lib/ollama/mlx_metal_v*/; do
[ -d "$VARIANT" ] || continue
VNAME=$(basename "$VARIANT")
mkdir -p dist/Ollama.app/Contents/Resources/$VNAME
cp "$VARIANT"* dist/Ollama.app/Contents/Resources/$VNAME/ 2>/dev/null || true
done
# CPU backend libs (ggml-base, ggml-cpu) are flat in lib/ollama/
cp dist/darwin-arm64/lib/ollama/*.so dist/Ollama.app/Contents/Resources/ 2>/dev/null || true
for F in dist/darwin-arm64/lib/ollama/*.dylib; do
[ -f "$F" ] && [ ! -L "$F" ] || continue
cp "$F" dist/Ollama.app/Contents/Resources/
done
(cd dist/Ollama.app/Contents/Resources && ln -sf libggml-base.0.0.0.dylib libggml-base.0.dylib && ln -sf libggml-base.0.dylib libggml-base.dylib) 2>/dev/null || true
fi
chmod a+x dist/Ollama.app/Contents/Resources/ollama
# Sign
if [ -n "$APPLE_IDENTITY" ]; then
codesign -f --timestamp -s "$APPLE_IDENTITY" --identifier ai.ollama.ollama --options=runtime dist/Ollama.app/Contents/Resources/ollama
for lib in dist/Ollama.app/Contents/Resources/*.so dist/Ollama.app/Contents/Resources/*.dylib dist/Ollama.app/Contents/Resources/*.metallib dist/Ollama.app/Contents/Resources/mlx_metal_v*/*.dylib dist/Ollama.app/Contents/Resources/mlx_metal_v*/*.metallib dist/Ollama.app/Contents/Resources/mlx_metal_v*/*.so; do
[ -f "$lib" ] || continue
codesign -f --timestamp -s "$APPLE_IDENTITY" --identifier ai.ollama.ollama --options=runtime "$lib"
done
codesign -f --timestamp -s "$APPLE_IDENTITY" --identifier com.electron.ollama --deep --options=runtime dist/Ollama.app
fi
rm -f dist/Ollama-darwin.zip
ditto -c -k --norsrc --keepParent dist/Ollama.app dist/Ollama-darwin.zip
(cd dist/Ollama.app/Contents/Resources/; tar -cf - ollama *.so *.dylib *.metallib mlx_metal_v*/ 2>/dev/null) | gzip -9vc > dist/ollama-darwin.tgz
# Notarize and Staple
if [ -n "$APPLE_IDENTITY" ]; then
$(xcrun -f notarytool) submit dist/Ollama-darwin.zip --wait --timeout 20m --apple-id "$APPLE_ID" --password "$APPLE_PASSWORD" --team-id "$APPLE_TEAM_ID"
rm -f dist/Ollama-darwin.zip
$(xcrun -f stapler) staple dist/Ollama.app
ditto -c -k --norsrc --keepParent dist/Ollama.app dist/Ollama-darwin.zip
rm -f dist/Ollama.dmg
(cd dist && ../scripts/create-dmg.sh \
--volname "${VOL_NAME}" \
--volicon ../app/darwin/Ollama.app/Contents/Resources/icon.icns \
--background ../app/assets/background.png \
--window-pos 200 120 \
--window-size 800 400 \
--icon-size 128 \
--icon "Ollama.app" 200 190 \
--hide-extension "Ollama.app" \
--app-drop-link 600 190 \
--text-size 12 \
"Ollama.dmg" \
"Ollama.app" \
; )
rm -f dist/rw*.dmg
codesign -f --timestamp -s "$APPLE_IDENTITY" --identifier ai.ollama.ollama --options=runtime dist/Ollama.dmg
$(xcrun -f notarytool) submit dist/Ollama.dmg --wait --timeout 20m --apple-id "$APPLE_ID" --password "$APPLE_PASSWORD" --team-id "$APPLE_TEAM_ID"
$(xcrun -f stapler) staple dist/Ollama.dmg
else
echo "WARNING: Code signing disabled, this bundle will not work for upgrade testing"
fi
}
if [ "$#" -eq 0 ]; then
_build_darwin
_sign_darwin
_build_macapp
exit 0
fi
for CMD in "$@"; do
case $CMD in
build) _build_darwin ;;
sign) _sign_darwin ;;
app) _build_macapp ;;
*) usage ;;
esac
done
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