build_framework.sh

#!/bin/sh

set -e

LIPO_DIR=$BUILD_DIR/Universal
SCHEME=$PROJECT_NAME-Package

rm -rf $PROJECT_DIR/$PROJECT_NAME.framework
rm -rf $LIPO_DIR && mkdir $LIPO_DIR

# build
xcodebuild clean build \
           -scheme $SCHEME \
           -project $PROJECT_NAME.xcodeproj \
           -configuration Release \
           -sdk iphoneos \
           ONLY_ACTIVE_ARCH=NO \
           DSTROOT=/

xcodebuild clean build \
           -scheme $SCHEME \
           -project $PROJECT_NAME.xcodeproj \
           -configuration Release \
           -sdk iphonesimulator \
           ONLY_ACTIVE_ARCH=NO \
           DSTROOT=/

# copy
(cd $BUILD_DIR/Release-iphoneos && tar cf - $PROJECT_NAME.framework) | (cd $LIPO_DIR && tar xfv -)
(cd $BUILD_DIR/Release-iphonesimulator/$PROJECT_NAME.framework/Modules && tar cf - $PROJECT_NAME.swiftmodule) | (cd $LIPO_DIR/$PROJECT_NAME.framework/Modules && tar xfv -)

# merge
lipo -create \
     -output $LIPO_DIR/$PROJECT_NAME.framework/$PROJECT_NAME \
     $BUILD_DIR/Release-iphoneos/$PROJECT_NAME.framework/$PROJECT_NAME \
     $BUILD_DIR/Release-iphonesimulator/$PROJECT_NAME.framework/$PROJECT_NAME

# install
cp -RL $LIPO_DIR/$PROJECT_NAME.framework $PROJECT_DIR/

SwiftMemo.md

Make a project

Make project

PROJECT=FooKit
mkdir $PROJECT
cd $PROJECT
swift package init --type library
swift package generate-xcodeproj
open $PROJECT.xcodeproj

Setting

1. File -> New -> Target
2. Select CrossPlatform -> Aggregate
3. Name ${PROJECT}Universal
4. Select Logit -> TARGETS -> ${PROJECT}Universal -> BuildPhases
5. Press "+" and add Run Script
6. Paste build_framework.sh
7. Switch Build target to ${PROJECT}Universal
8. Build and the built framework will be created at project root directory

Use built framework in a new project

Make project

PROJECT=BarKit
mkdir $PROJECT
cd $PROJECT
swift package init --type library
swift package generate-xcodeproj
mkdir vendor
open $PROJECT.xcodeproj

Put the built framework

Put all frameworks that you use into $PROJECT/vendor

Setting

1. Create ${PROJECT}Universal as same as previous project
2. Select $PROJECT -> PROJECT -> $PROJECT -> Build Settings -> Framework Search Paths
3. Add $(SRCROOT)/vendor
4. Select $PROJECT -> TARGETS -> $PROJECT -> Linked Frameworks and Libraries
5. D&D all frameworks under $PROJECT/vendor
6. Build