php install error
 

Hey i just downloaded php-4.3.1.tar.gz unzipped it fine then i looked in it for a make file couldnt fine one so i tried ./configure started up fine then at the end got this error:

..................
checking for bison... no
checking for byacc... no
configure warning: you will need bison if you want to regenerate the php parsers.
checking for flex..... lex
checking for yywrap in -ll.... no
checking lex output file root... ./configure: lex: command not found
configure: error: cannont find output from lex:giving up

can anyone tell me y this isnet working and what are these files thats arent installed and y this isent letting me install it???? than
Matt3333

These are basic compiling programs, you'll need them to compile many applications. Check your install CD's for these packages, or head over to www.rpmfind.net and type in the name of the missing tool (assuming you are using an rpm based distro).

Cool