我按照 dropbox 网站上的教程操作https://www.dropbox.com/help/247 但是当我运行“make”时，糟糕的事情发生了。
make[6]: Entering directory '/home/zerbini/Downloads/nautilus-dropbox-1.4.0/data/icons/hicolor/16x16/apps'
make[6]: Nothing to be done for 'all'.
make[6]: Leaving directory '/home/zerbini/Downloads/nautilus-dropbox-1.4.0/data/icons/hicolor/16x16/apps'
make[6]: Entering directory '/home/zerbini/Downloads/nautilus-dropbox-1.4.0/data/icons/hicolor/16x16'
make[6]: Nothing to be done for 'all-am'.
make[6]: Leaving directory '/home/zerbini/Downloads/nautilus-dropbox-1.4.0/data/icons/hicolor/16x16'
make[5]: Leaving directory '/home/zerbini/Downloads/nautilus-dropbox-1.4.0/data/icons/hicolor/16x16'
Making all in 22x22
make[5]: Entering directory '/home/zerbini/Downloads/nautilus-dropbox-1.4.0/data/icons/hicolor/22x22'
Making all in apps
make[6]: Entering directory '/home/zerbini/Downloads/nautilus-dropbox-1.4.0/data/icons/hicolor/22x22/apps'
make[6]: Nothing to be done for 'all'.
这种情况发生了，并且不断重复。我该如何解决这个问题？