11/13/2018 Updated for Xcode 10/Swift 4.2
The following script can be used to create a universal iOS framework (i.e. one that will run in both the simulator as well as on an actual device). It should work with both Swift and Objective-C projects:
FRAMEWORK=<framework name>
BUILD=build
FRAMEWORK_PATH=$FRAMEWORK.framework
# iOS
rm -Rf $FRAMEWORK-iOS/$BUILD
rm -f $FRAMEWORK-iOS.framework.tar.gz
xcodebuild archive -project $FRAMEWORK-iOS/$FRAMEWORK-iOS.xcodeproj -scheme $FRAMEWORK -sdk iphoneos SYMROOT=$BUILD
xcodebuild build -project $FRAMEWORK-iOS/$FRAMEWORK-iOS.xcodeproj -target $FRAMEWORK -sdk iphonesimulator SYMROOT=$BUILD
cp -RL $FRAMEWORK-iOS/$BUILD/Release-iphoneos $FRAMEWORK-iOS/$BUILD/Release-universal
cp -RL $FRAMEWORK-iOS/$BUILD/Release-iphonesimulator/$FRAMEWORK_PATH/Modules/$FRAMEWORK.swiftmodule/* $FRAMEWORK-iOS/$BUILD/Release-universal/$FRAMEWORK_PATH/Modules/$FRAMEWORK.swiftmodule
lipo -create $FRAMEWORK-iOS/$BUILD/Release-iphoneos/$FRAMEWORK_PATH/$FRAMEWORK $FRAMEWORK-iOS/$BUILD/Release-iphonesimulator/$FRAMEWORK_PATH/$FRAMEWORK -output $FRAMEWORK-iOS/$BUILD/Release-universal/$FRAMEWORK_PATH/$FRAMEWORK
tar -czv -C $FRAMEWORK-iOS/$BUILD/Release-universal -f $FRAMEWORK-iOS.tar.gz $FRAMEWORK_PATH $FRAMEWORK_PATH.dSYMWhen located in the same directory as the .xcodeproj file, this script will invoke xcodebuild twice on a framework project and join the resulting binaries together into a single universal binary. It will then package the framework up in a gzipped tarball and place it in the same directory.
However, apps that contain “fat” binaries like this don't pass app store validation. Before submitting an app containing a universal framework, the binaries need to be trimmed so that they include only iOS-native code. The following script can be used to do this:
FRAMEWORK=$1
echo "Trimming $FRAMEWORK..."
FRAMEWORK_EXECUTABLE_PATH="${BUILT_PRODUCTS_DIR}/${FRAMEWORKS_FOLDER_PATH}/$FRAMEWORK.framework/$FRAMEWORK"
EXTRACTED_ARCHS=()
for ARCH in $ARCHS
do
echo "Extracting $ARCH..."
lipo -extract "$ARCH" "$FRAMEWORK_EXECUTABLE_PATH" -o "$FRAMEWORK_EXECUTABLE_PATH-$ARCH"
EXTRACTED_ARCHS+=("$FRAMEWORK_EXECUTABLE_PATH-$ARCH")
done
echo "Merging binaries..."
lipo -o "$FRAMEWORK_EXECUTABLE_PATH-merged" -create "${EXTRACTED_ARCHS[@]}"
rm "${EXTRACTED_ARCHS[@]}"
rm "$FRAMEWORK_EXECUTABLE_PATH"
mv "$FRAMEWORK_EXECUTABLE_PATH-merged" "$FRAMEWORK_EXECUTABLE_PATH"
echo "Done."To use this script:
- Place the script in your project root directory and name it trim.sh or something similar
- Create a new “Run Script” build phase after the “Embed Frameworks” phase
- Rename the new build phase to “Trim Framework Executables” or similar (optional)
- Invoke the script for each framework you want to trim (e.g. ${SRCROOT}/trim.sh)
For more ways to simplify iOS app development, please see my projects on GitHub:
