ios: use the "new" Xcode build system

It was introduced in Xcode 9 and made the default in Xcode 10. We were forcing
the use of the legacy version, which doesn't support some new features that we
wish to enable, such as building the SDK for distribution.

ios/jitsi-meet.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings

@@ -2,7 +2,7 @@
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
 <dict>
-	<key>BuildSystemType</key>
-	<string>Original</string>
+	<key>PreviewsEnabled</key>
+	<false/>
 </dict>
 </plist>

ios/sdk/sdk.xcodeproj/xcshareddata/xcschemes/JitsiMeet.xcscheme

@@ -29,8 +29,6 @@
       shouldUseLaunchSchemeArgsEnv = "YES">
       <Testables>
       </Testables>
-      <AdditionalOptions>
-      </AdditionalOptions>
    </TestAction>
    <LaunchAction
       buildConfiguration = "Debug"
@@ -51,8 +49,6 @@
             ReferencedContainer = "container:sdk.xcodeproj">
          </BuildableReference>
       </MacroExpansion>
-      <AdditionalOptions>
-      </AdditionalOptions>
    </LaunchAction>
    <ProfileAction
       buildConfiguration = "Release"
@@ -81,7 +77,7 @@
             ActionType = "Xcode.IDEStandardExecutionActionsCore.ExecutionActionType.ShellScriptAction">
             <ActionContent
                title = "Run Script"
-               scriptText = "exec &gt; /tmp/${PROJECT_NAME}_archive.log 2&gt;&amp;1&#10;&#10;UNIVERSAL_OUTPUTFOLDER=${BUILD_DIR}/${CONFIGURATION}-universal&#10;&#10;if [ &quot;true&quot; == ${ALREADYINVOKED:-false} ]&#10;then&#10;echo &quot;RECURSION: Detected, stopping&quot;&#10;else&#10;export ALREADYINVOKED=&quot;true&quot;&#10;&#10;# make sure the output directory exists&#10;mkdir -p &quot;${UNIVERSAL_OUTPUTFOLDER}&quot;&#10;&#10;echo &quot;Building for iPhoneSimulator&quot;&#10;xcodebuild -workspace &quot;${WORKSPACE_PATH}&quot; -scheme &quot;${TARGET_NAME}&quot; -configuration ${CONFIGURATION} -sdk iphonesimulator -destination &apos;platform=iOS Simulator,name=iPhone 8&apos; ONLY_ACTIVE_ARCH=NO ARCHS=&apos;i386 x86_64&apos; BUILD_DIR=&quot;${BUILD_DIR}&quot; BUILD_ROOT=&quot;${BUILD_ROOT}&quot; ENABLE_BITCODE=YES OTHER_CFLAGS=&quot;-fembed-bitcode&quot; BITCODE_GENERATION_MODE=bitcode clean build&#10;&#10;# Step 1. Copy the framework structure (from iphoneos build) to the universal folder&#10;echo &quot;Copying to output folder&quot;&#10;cp -R &quot;${BUILD_DIR}/${CONFIGURATION}-iphoneos/${FULL_PRODUCT_NAME}&quot; &quot;${UNIVERSAL_OUTPUTFOLDER}/&quot;&#10;&#10;# Step 2. Copy Swift modules from iphonesimulator build (if it exists) to the copied framework directory&#10;SIMULATOR_SWIFT_MODULES_DIR=&quot;${BUILD_DIR}/${CONFIGURATION}-iphonesimulator/${TARGET_NAME}.framework/Modules/${TARGET_NAME}.swiftmodule/.&quot;&#10;if [ -d &quot;${SIMULATOR_SWIFT_MODULES_DIR}&quot; ]; then&#10;cp -R &quot;${SIMULATOR_SWIFT_MODULES_DIR}&quot; &quot;${UNIVERSAL_OUTPUTFOLDER}/${TARGET_NAME}.framework/Modules/${TARGET_NAME}.swiftmodule&quot;&#10;fi&#10;&#10;# Step 3. Create universal binary file using lipo and place the combined executable in the copied framework directory&#10;echo &quot;Combining executables&quot;&#10;lipo -create -output &quot;${UNIVERSAL_OUTPUTFOLDER}/${EXECUTABLE_PATH}&quot; &quot;${BUILD_DIR}/${CONFIGURATION}-iphonesimulator/${EXECUTABLE_PATH}&quot; &quot;${BUILD_DIR}/${CONFIGURATION}-iphoneos/${EXECUTABLE_PATH}&quot;&#10;&#10;# Step 4. Create universal binaries for embedded frameworks&#10;#for SUB_FRAMEWORK in $( ls &quot;${UNIVERSAL_OUTPUTFOLDER}/${TARGET_NAME}.framework/Frameworks&quot; ); do&#10;#BINARY_NAME=&quot;${SUB_FRAMEWORK%.*}&quot;&#10;#lipo -create -output &quot;${UNIVERSAL_OUTPUTFOLDER}/${TARGET_NAME}.framework/Frameworks/${SUB_FRAMEWORK}/${BINARY_NAME}&quot; &quot;${BUILD_DIR}/${CONFIGURATION}-iphonesimulator/${SUB_FRAMEWORK}/${BINARY_NAME}&quot; &quot;${ARCHIVE_PRODUCTS_PATH}${INSTALL_PATH}/${TARGET_NAME}.framework/Frameworks/${SUB_FRAMEWORK}/${BINARY_NAME}&quot;&#10;#done&#10;&#10;# Step 5. Convenience step to copy the framework to the project&apos;s directory&#10;echo &quot;Copying to project dir&quot;&#10;yes | cp -Rf &quot;${UNIVERSAL_OUTPUTFOLDER}/${FULL_PRODUCT_NAME}&quot; &quot;${PROJECT_DIR}&quot;&#10;&#10;fi&#10;">
+               scriptText = "exec &gt; /tmp/${PROJECT_NAME}_archive.log 2&gt;&amp;1&#10;&#10;UNIVERSAL_OUTPUTFOLDER=${BUILD_DIR}/${CONFIGURATION}-universal&#10;&#10;if [ &quot;true&quot; == ${ALREADYINVOKED:-false} ]&#10;then&#10;echo &quot;RECURSION: Detected, stopping&quot;&#10;else&#10;export ALREADYINVOKED=&quot;true&quot;&#10;&#10;# make sure the output directory exists&#10;mkdir -p &quot;${UNIVERSAL_OUTPUTFOLDER}&quot;&#10;&#10;echo &quot;Building for iPhoneSimulator&quot;&#10;xcodebuild -workspace &quot;${WORKSPACE_PATH}&quot; -scheme &quot;${TARGET_NAME}&quot; -configuration ${CONFIGURATION} -sdk iphonesimulator -destination &apos;platform=iOS Simulator,name=iPhone 8&apos; ONLY_ACTIVE_ARCH=NO ARCHS=&apos;i386 x86_64&apos; BUILD_DIR=&quot;${BUILD_DIR}&quot; BUILD_ROOT=&quot;${BUILD_ROOT}&quot; ENABLE_BITCODE=YES OTHER_CFLAGS=&quot;-fembed-bitcode&quot; BITCODE_GENERATION_MODE=bitcode build&#10;&#10;# Step 1. Copy the framework structure (from iphoneos build) to the universal folder&#10;echo &quot;Copying to output folder&quot;&#10;cp -R &quot;${BUILD_DIR}/${CONFIGURATION}-iphoneos/${FULL_PRODUCT_NAME}&quot; &quot;${UNIVERSAL_OUTPUTFOLDER}/&quot;&#10;&#10;# Step 2. Copy Swift modules from iphonesimulator build (if it exists) to the copied framework directory&#10;SIMULATOR_SWIFT_MODULES_DIR=&quot;${BUILD_DIR}/${CONFIGURATION}-iphonesimulator/${TARGET_NAME}.framework/Modules/${TARGET_NAME}.swiftmodule/.&quot;&#10;if [ -d &quot;${SIMULATOR_SWIFT_MODULES_DIR}&quot; ]; then&#10;cp -R &quot;${SIMULATOR_SWIFT_MODULES_DIR}&quot; &quot;${UNIVERSAL_OUTPUTFOLDER}/${TARGET_NAME}.framework/Modules/${TARGET_NAME}.swiftmodule&quot;&#10;fi&#10;&#10;# Step 3. Create universal binary file using lipo and place the combined executable in the copied framework directory&#10;echo &quot;Combining executables&quot;&#10;lipo -create -output &quot;${UNIVERSAL_OUTPUTFOLDER}/${EXECUTABLE_PATH}&quot; &quot;${BUILD_DIR}/${CONFIGURATION}-iphonesimulator/${EXECUTABLE_PATH}&quot; &quot;${BUILD_DIR}/${CONFIGURATION}-iphoneos/${EXECUTABLE_PATH}&quot;&#10;&#10;# Step 4. Create universal binaries for embedded frameworks&#10;#for SUB_FRAMEWORK in $( ls &quot;${UNIVERSAL_OUTPUTFOLDER}/${TARGET_NAME}.framework/Frameworks&quot; ); do&#10;#BINARY_NAME=&quot;${SUB_FRAMEWORK%.*}&quot;&#10;#lipo -create -output &quot;${UNIVERSAL_OUTPUTFOLDER}/${TARGET_NAME}.framework/Frameworks/${SUB_FRAMEWORK}/${BINARY_NAME}&quot; &quot;${BUILD_DIR}/${CONFIGURATION}-iphonesimulator/${SUB_FRAMEWORK}/${BINARY_NAME}&quot; &quot;${ARCHIVE_PRODUCTS_PATH}${INSTALL_PATH}/${TARGET_NAME}.framework/Frameworks/${SUB_FRAMEWORK}/${BINARY_NAME}&quot;&#10;#done&#10;&#10;# Step 5. Convenience step to copy the framework to the project&apos;s directory&#10;echo &quot;Copying to project dir&quot;&#10;yes | cp -Rf &quot;${UNIVERSAL_OUTPUTFOLDER}/${FULL_PRODUCT_NAME}&quot; &quot;${PROJECT_DIR}&quot;&#10;&#10;fi&#10;">
                <EnvironmentBuildable>
                   <BuildableReference
                      BuildableIdentifier = "primary"