laptop://usr/src/madwifi-0.9.2.1
root:# make
Checking requirements... ok.
Checking kernel configuration... ok.
make -C /lib/modules/2.6.20/build SUBDIRS=/usr/src/madwifi-0.9.2.1 modules
make[1]: Entering directory `/usr/src/linux-2.6.20'
  CC [M]  /usr/src/madwifi-0.9.2.1/ath/ah_osdep.o
  HOSTCC  /usr/src/madwifi-0.9.2.1/ath/uudecode
  UUDECODE /usr/src/madwifi-0.9.2.1/ath/i386-elf.hal.o
  CC [M]  /usr/src/madwifi-0.9.2.1/ath/if_ath.o
In file included from include/asm/pci.h:6,
                 from include/linux/pci.h:736,
                 from /usr/src/madwifi-0.9.2.1/ath/if_ath_pci.h:43,
                 from /usr/src/madwifi-0.9.2.1/ath/if_ath.c:84:
include/linux/mm.h:658:1: "offset_in_page" redefined
In file included from /usr/src/madwifi-0.9.2.1/ath/../net80211/if_media.h:44,
                 from /usr/src/madwifi-0.9.2.1/ath/if_ath.c:64:
/usr/src/madwifi-0.9.2.1/ath/../net80211/ieee80211_linux.h:427:1: this is the location of the previous definition
/usr/src/madwifi-0.9.2.1/ath/if_ath.c:415:60: macro "INIT_WORK" passed 3 arguments, but takes just 2
/usr/src/madwifi-0.9.2.1/ath/if_ath.c: In function `ath_attach':
/usr/src/madwifi-0.9.2.1/ath/if_ath.c:415: error: `INIT_WORK' undeclared (first use in this function)
/usr/src/madwifi-0.9.2.1/ath/if_ath.c:415: error: (Each undeclared identifier is reported only once
/usr/src/madwifi-0.9.2.1/ath/if_ath.c:415: error: for each function it appears in.)
/usr/src/madwifi-0.9.2.1/ath/if_ath.c: At top level:
/usr/src/madwifi-0.9.2.1/ath/if_ath.c:1705: warning: 'ath_radar_task' defined but not used
make[3]: *** [/usr/src/madwifi-0.9.2.1/ath/if_ath.o] Error 1
make[2]: *** [/usr/src/madwifi-0.9.2.1/ath] Error 2
make[1]: *** [_module_/usr/src/madwifi-0.9.2.1] Error 2
make[1]: Leaving directory `/usr/src/linux-2.6.20'
make: *** [modules] Error 2