mkfs.jffs on arm

[Igor Trevisan]

[...]
> > `jffs2_zlib_decompress': compr_zlib.c:108: structure has no member
> > named `zalloc' compr_zlib.c:109: structure has no member named
> > `zfree' compr_zlib.c:111: warning: implicit declaration of function
> > `inflateInit' compr_zlib.c:122: warning: implicit declaration of
> > function `inflate' compr_zlib.c:125: warning: implicit declaration
> > of function `inflateEnd' make: *** [compr_zlib.o] Error 1
> > [igortr at linuxbw1 util]$
> 
> What version of zlib.h is it including? It looks like it might be
> including the kernel's version instead of the one for the userspace
> zlib.

Well... forgive my ignorance but...
What does it mean?
Exactly which file have I to try to include and which ones not?
Thanks for the time you (I hope) will spend for me!
:-)
	Igor.