configure:34657: gcc -std=gnu99 -o conftest -O2 -march=i686 -g  -g -Wl,--as-needed conftest.c -lreadline  
-lncurses 
           -lncurses  >&5
/usr/lib/gcc/i386-unknown-linux/4.1.2/../../../libreadline.so: undefined reference to `PC'
/usr/lib/gcc/i386-unknown-linux/4.1.2/../../../libreadline.so: undefined reference to `tgetflag'
/usr/lib/gcc/i386-unknown-linux/4.1.2/../../../libreadline.so: undefined reference to `tgetent'
/usr/lib/gcc/i386-unknown-linux/4.1.2/../../../libreadline.so: undefined reference to `UP'
/usr/lib/gcc/i386-unknown-linux/4.1.2/../../../libreadline.so: undefined reference to `tputs'
/usr/lib/gcc/i386-unknown-linux/4.1.2/../../../libreadline.so: undefined reference to `tgoto'
/usr/lib/gcc/i386-unknown-linux/4.1.2/../../../libreadline.so: undefined reference to `tgetnum'
/usr/lib/gcc/i386-unknown-linux/4.1.2/../../../libreadline.so: undefined reference to `BC'
/usr/lib/gcc/i386-unknown-linux/4.1.2/../../../libreadline.so: undefined reference to `tgetstr'
collect2: ld returned 1 exit status