Swift Packages in multiple targets results in “This will result in duplication of library code.” errors

Using Swift
,
57

So we finally seem to have solved our problem with a post-build script that moves all embedded frameworks to "APP.app/Frameworks" (and re-signs everything):

cd "${CODESIGNING_FOLDER_PATH}/Frameworks/"
    for framework in *; do
        if [ -d "$framework" ]; then
            if [ -d "${framework}/Frameworks" ]; then
                echo "Moving embedded frameworks from ${framework} to ${PRODUCT_NAME}.app/Frameworks"
                cp -R "${framework}/Frameworks/" .
                rm -rf "${framework}/Frameworks"
            fi
        fi
    done
    
    if [ [ "${CONFIGURATION}" == "Debug" ] & [ "${SDKROOT}" != *Simulator* ] ] ; then
        find "${CODESIGNING_FOLDER_PATH}" -name "*.framework" -print0 | while read -d $'\\0' framework
        do
            if [ "${framework}" != "NULL" ] ; then
                codesign --force --deep --sign "${EXPANDED_CODE_SIGN_IDENTITY}" --preserve-metadata=identifier,entitlements --timestamp=none "${framework}"
            fi
        done
        
        echo "Resigning ${PRODUCT_NAME}.app after moving frameworks"
        codesign --force --deep --sign "${EXPANDED_CODE_SIGN_IDENTITY}" --preserve-metadata=identifier,entitlements --timestamp=none "${CODESIGNING_FOLDER_PATH}"
    else
        echo "Info: CODESIGNING is only needed for Debug on device (will be re-signed anyway when archiving) "
    fi

This has also solved this problem for us: SwiftPM binaryTarget dependency and code signing

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