The universal framework build script.

build_framework.sh

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+#!/bin/sh
+
+BASE_DIR="`dirname \"$0\"`"
+BUILD_DIR="@{BASE_DIR}/build"
+PROJECT_DIR=$BASE_DIR
+PROJECT_NAME=SCrypto
+WORKSPACE="${PROJECT_NAME}.xcworkspace"
+SCHEME="${PROJECT_NAME} iOS"
+CONFIGURATION=Release
+
+function usage()
+{
+    echo "The build script for iOS universal framework."
+    echo ""
+    echo "./build_framework.sh"
+    echo "\t-h --help"
+    echo "\t--scheme=$SCHEME"
+    echo "\t--configuration=$CONFIGURATION"
+    echo ""
+}
+
+while [ "$1" != "" ]; do
+    PARAM=`echo $1 | awk -F= '{print $1}'`
+    VALUE=`echo $1 | awk -F= '{print $2}'`
+    case $PARAM in
+        -h | --help)
+            usage
+            exit
+            ;;
+        --scheme)
+            SCHEME=$VALUE
+            ;;
+        --configuration)
+            CONFIGURATION=$VALUE
+            ;;
+        *)
+            echo "ERROR: unknown parameter \"$PARAM\""
+            usage
+            exit 1
+            ;;
+    esac
+    shift
+done
+
+UNIVERSAL_OUTPUTFOLDER=${BUILD_DIR}/${CONFIGURATION}-universal
+
+# exit the script if any statement returns a non-true return value. 
+set -o pipefail
+
+# make sure the output directory exists
+mkdir -p "${UNIVERSAL_OUTPUTFOLDER}"
+
+echo "Building the Device and Simulator versions \xF0\x9F\x8D\xBA"
+
+# Step 1. Build Device and Simulator versions
+xcodebuild -workspace "$WORKSPACE" -scheme "$SCHEME" -configuration ${CONFIGURATION} -sdk iphoneos  ONLY_ACTIVE_ARCH=NO BUILD_DIR="${BUILD_DIR}" BUILD_ROOT="${PROJECT_DIR}" clean build  > /dev/null
+xcodebuild -workspace "$WORKSPACE" -scheme "$SCHEME" -configuration ${CONFIGURATION} -sdk iphonesimulator ONLY_ACTIVE_ARCH=NO BUILD_DIR="${BUILD_DIR}" BUILD_ROOT="${PROJECT_DIR}" clean build  > /dev/null
+
+echo "Creating the universal framework..."
+
+# Step 2. Copy the framework structure (from iphoneos build) to the universal folder
+cp -R "${BUILD_DIR}/${CONFIGURATION}-iphoneos/${PROJECT_NAME}.framework" "${UNIVERSAL_OUTPUTFOLDER}/"
+
+# Step 3. Copy Swift modules from iphonesimulator build (if it exists) to the copied framework directory
+SIMULATOR_SWIFT_MODULES_DIR="${BUILD_DIR}/${CONFIGURATION}-iphonesimulator/${PROJECT_NAME}.framework/Modules/${PROJECT_NAME}.swiftmodule/."
+if [ -d "${SIMULATOR_SWIFT_MODULES_DIR}" ]; then
+cp -R "${SIMULATOR_SWIFT_MODULES_DIR}" "${UNIVERSAL_OUTPUTFOLDER}/${PROJECT_NAME}.framework/Modules/${PROJECT_NAME}.swiftmodule"
+fi
+
+# Step 4. Create universal binary file using lipo and place the combined executable in the copied framework directory
+lipo -create -output "${UNIVERSAL_OUTPUTFOLDER}/${PROJECT_NAME}.framework/${PROJECT_NAME}" "${BUILD_DIR}/${CONFIGURATION}-iphonesimulator/${PROJECT_NAME}.framework/${PROJECT_NAME}" "${BUILD_DIR}/${CONFIGURATION}-iphoneos/${PROJECT_NAME}.framework/${PROJECT_NAME}"
+
+# Step 5. Convenience step to open the project's directory in Finder
+open "${UNIVERSAL_OUTPUTFOLDER}"
+
+echo "Done!"