problem with using flash driver!!!

when compling mkfs.jffs2 in the /uClinux-dist-test/user/mtd-utils directory, it printed:

compr_zlib.c:38:18: zlib.h: No such file or directory

when i manully changed " include "zlib.h" " to " include "../../include/zlib.h" ", it still has some problems

this is my menuconfig settings in the uClinux-dist-test

<div class='quotetop'>QUOTE </div>

--- Quote Start ---

flash tools---->

--- MTD utils

[*] mtd-utils

[*] erase

[*] eraseall

[ ] ftl_check

[ ] ftl_format

[ ] mkfs.jffs

[*] mkfs.jff2 [/b]

--- Quote End ---

how can i solve this problem, who can help me ?