--->  Scanning binaries for linking errors
--->  No broken files found.
pdftk is using libstdc++ (this installation is configured to use libc++)
--->  Found 1 broken port, determining rebuild order
--->  Rebuilding in order
     pdftk @2.02 +gcc5
For pdftk: skipping org.macports.main (dry run)
    .. and skipping org.macports.archivefetch
--->  Computing dependencies for pdftk
    .. and skipping org.macports.main
    .. and skipping org.macports.fetch
    .. and skipping org.macports.checksum
    .. and skipping org.macports.extract
    .. and skipping org.macports.patch
    .. and skipping org.macports.configure
    .. and skipping org.macports.build
    .. and skipping org.macports.destroot
Skipping uninstall pdftk @2.02_0+gcc5 (dry run)
Skipping activate pdftk @2.02_0+gcc5 (dry run)