Mac deployment

- Use the SDL2 framework wholesale instead of manually extracting dylib and headers
- Run install_name_tool on the remaining dylibs so they use the correct load path
- Add generate-dmg.sh for creating packaged Mac builds

scripts/generate-dmg.sh

@@ -0,0 +1,46 @@
+BUILD_CONFIG=$1
+
+fail()
+{
+	echo "$1" 1>&2
+	exit 1
+}
+
+if [ "$BUILD_CONFIG" != "Debug" ] && [ "$BUILD_CONFIG" != "Release" ]; then
+  fail "Invalid build configuration"
+fi
+
+BUILD_ROOT=$PWD/build
+SOURCE_ROOT=$PWD
+BUILD_FOLDER=$BUILD_ROOT/build-$BUILD_CONFIG
+INSTALLER_FOLDER=$BUILD_ROOT/installer-$BUILD_CONFIG
+
+echo Cleaning output directories
+rm -rf $BUILD_FOLDER
+rm -rf $INSTALLER_FOLDER
+mkdir $BUILD_ROOT
+mkdir $BUILD_FOLDER
+mkdir $INSTALLER_FOLDER
+
+echo Configuring the project
+pushd $BUILD_FOLDER
+qmake $SOURCE_ROOT/moonlight-qt.pro || fail "Qmake failed!"
+popd
+
+echo Compiling Moonlight in $BUILD_CONFIG configuration
+pushd $BUILD_FOLDER
+make $(echo "$BUILD_CONFIG" | tr '[:upper:]' '[:lower:]') || fail "Make failed!"
+popd
+
+echo Copying dylib dependencies
+mkdir $BUILD_FOLDER/app/Moonlight.app/Contents/lib
+cp $SOURCE_ROOT/libs/mac/lib/*.dylib $BUILD_FOLDER/app/Moonlight.app/Contents/lib/
+
+echo Copying frameworks dependencies
+mkdir $BUILD_FOLDER/app/Moonlight.app/Contents/Frameworks
+cp -R $SOURCE_ROOT/libs/mac/Frameworks/ $BUILD_FOLDER/app/Moonlight.app/Contents/Frameworks/
+
+echo Creating DMG
+EXTRA_ARGS=
+if [ "$BUILD_CONFIG" == "Debug" ]; then EXTRA_ARGS=-use-debug-libs; fi
+macdeployqt $BUILD_FOLDER/app/Moonlight.app -dmg $EXTRA_ARGS -qmldir=$SOURCE_ROOT/app/gui -appstore-compliant