Download the source
Download the file readline-6.1.tar.gz from http://tiswww.case.edu/php/chet/readline/rltop.html
Save this in /src
You may also want to verify the file signature or checksums and read the README or INSTALL files.
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 | cd /srctar xzf readline-6.1.tar.gz && cd readline-6.1
 CFLAGS=$( find -L /my -type d -name include -exec echo "-I{} " \; | grep -v "[.][0-9]" | tr -d '\n' ) \
 LDFLAGS=$( find -L /my -type d -name lib -exec echo "-L{} -R{} " \; | grep -v "[.][0-9]" | tr -d '\n' ) \
 ./configure --prefix=/my/readline-6.1 --with-curses >>mylog.txt \
 && gmake all >>mylog.txt && su
 gmake install >>mylog.txt
 ln -s /my/readline-6.1 /my/readline
 exit
 
 | 
Congrats! Readline should be built successfully!