[gtk+osx] can't find lib files

[knk <kn...@bs...>]

can't find lib files.
I'd tried to "configure" like this

./configure --with-gtk-prefix=/gmp --prefix=/gmp 
--bindir=/gimp/gimp-1.2.app/Contents/MacOS 
--sbindir=/gimp/gimp-1.2.app/Contents/MacOS

but,it can't create Makefile.

error massage said  "can't find TIFF lib".
ok,then I'd tried to add such command with "--without-libtiff".

ok?

and then my Mac shows error message like this

"can't find libjpeg".

wheres such files?

I can't find these files.

gimp-1.2.5.tar,gz and gtk-osx-0.6.tar.gz too.

Nothing.

I can't make gimp.