jorge@Abril:~/Escritorio/packaging/libwww$ make
cd . && /bin/sh /home/jorge/Escritorio/packaging/libwww/config/missing --run aclocal-1.9
/home/jorge/Escritorio/packaging/libwww/config/missing: línea 46: aclocal-1.9: no se encontró la orden
WARNING: `aclocal-1.9' is needed, and you do not seem to have it handy on your
         system.  You might have modified some files without having the
         proper tools for further handling them.  Check the `README' file,
         it often tells you about the needed prerequirements for installing
         this package.  You may also peek at any GNU archive site, in case
         some other package would contain this missing `aclocal-1.9' program.
make: *** [aclocal.m4] Error 1
jorge@Abril:~/Escritorio/packaging/libwww$ aclocal
aclocal       aclocal-1.11
jorge@Abril:~/Escritorio/packaging/libwww$ aclocal