for i in en; do \
        if test "$i" = en ; then \
                ln -sf mplayer.1 /usr/local/man/man1/mencoder.1 ; \
        else \
                ln -sf mplayer.1 /usr/local/man/$i/man1/mencoder.1 ; \
        fi ; \
done
Usage: ln [-f] [-s] f1
       ln [-f] [-s] f1 f2
       ln [-f] [-s] f1 ... fn d1
gmake: *** [install] Error 1