Can't active Library routines CRC32 in fedora 4
 

New installed fedora 4. Cus i need to use my ipw2100 wifi card in my laptop , I'm trying to do the following set

"enable Library routines" (just below Crypto) and activate <M> for the module "CRC32"."

when i type "make menuconfig" and choose libarary routtines-->CRC32. I noteced the CRC32 option can't be set to "M".

Can somebody give me help?