library:

apt-get install libncurses5-dev

get src and patch:
$ wget http://www.tkl.iis.u-tokyo.ac.jp/~toyoda/sl/sl.tar
$ wget http://www.izumix.org.uk/sl/sl5-1.patch
$ tar xvf sl.tar
$ cd sl
$ patch -p1 < ../sl5-1.patch

edit src:
sl.c

@@ -32,7 +32,7 @@

 #include <strings.h>

 #include <time.h>

 #ifdef LINUX20

-  #include <curses.h>

+  #include <ncurses/curses.h>

 #else

   #include <curses.h>

 #endif

</pre>

compile:

$ make

setting path:

~/.bash_profile



export PATH=$PATH:~/sl/

</pre>

check:

$ sl -al