J2ObjC with source jar file <p>I need to translate itext source jar to objective c using J2ObjC. I use the Xcode Build rules at <a href="http://j2objc.org/docs/Xcode-Build-Rules.html" rel="nofollow">here</a> . But when I add this script</p> <pre><code>"${J2OBJC_HOME}/j2objc" --build-closure -d ${DERIVED_FILES_DIR} -sourcepath "${PROJECT_DIR}/" --no-package-directories "${PROJECT_DIR}/Classes/Othello/Engine/itext-2.1.7-sources.jar" ${INPUT_FILE_PATH}; </code></pre> <p>I get build errors<a href="https://i.stack.imgur.com/HbIey.png" rel="nofollow"><img src="https://i.stack.imgur.com/HbIey.png" alt="enter image description here"></a></p> <p><a href="https://i.stack.imgur.com/Arocx.png" rel="nofollow"><img src="https://i.stack.imgur.com/Arocx.png" alt="enter image description here"></a></p> <p>This project was built and run successfully without my script. Please help me Thanks</p>