[Madwifi-users] Build problem: undefined symbols, strange module directory

[Robert W. <rob...@gm...>]

Hi,

I got some linker problems building the driver for an Atheros card.

sauerbraten:/home/robert # lspci -v | grep -i ath
0000:02:02.0 Ethernet controller: Atheros Communications, Inc. AR5212
802.11abg NIC (rev 01)

make says:

robert@sauerbraten:~/madwifi> make all
for i in ./ath_hal ath_rate/onoe ./net80211 ./ath; do \
        (cd $i; make) || exit 1; \
done
make[1]: Entering directory /home/robert/madwifi/ath_hal'
make -C /lib/modules/2.6.9rw/build SUBDIRS=/home/robert/madwifi/ath_hal
modules
make[2]: Entering directory /usr/src/linux-2.6.9'
  Building modules, stage 2.
  MODPOST
make[2]: Leaving directory /usr/src/linux-2.6.9'
make[1]: Leaving directory /home/robert/madwifi/ath_hal'
make[1]: Entering directory /home/robert/madwifi/ath_rate/onoe'
make -C /lib/modules/2.6.9rw/build
SUBDIRS=/home/robert/madwifi/ath_rate/onoe modules
make[2]: Entering directory /usr/src/linux-2.6.9'
  Building modules, stage 2.
  MODPOST
*** Warning: "ieee80211_iterate_nodes"
[/home/robert/madwifi/ath_rate/onoe/ath_rate_onoe.ko] unde
*** Warning: "ether_sprintf"
[/home/robert/madwifi/ath_rate/onoe/ath_rate_onoe.ko] undefined!
make[2]: Leaving directory /usr/src/linux-2.6.9'
make[1]: Leaving directory /home/robert/madwifi/ath_rate/onoe'
make[1]: Entering directory /home/robert/madwifi/net80211'
make -C /lib/modules/2.6.9rw/build SUBDIRS=/home/robert/madwifi/net80211
modules
make[2]: Entering directory /usr/src/linux-2.6.9'
  Building modules, stage 2.
  MODPOST
make[2]: Leaving directory /usr/src/linux-2.6.9'
make[1]: Leaving directory /home/robert/madwifi/net80211'
make[1]: Entering directory /home/robert/madwifi/ath'
make -C /lib/modules/2.6.9rw/build SUBDIRS=/home/robert/madwifi/ath modules
make[2]: Entering directory /usr/src/linux-2.6.9'
  Building modules, stage 2.
  MODPOST
*** Warning: "ath_hal_getwirelessmodes"
[/home/robert/madwifi/ath/ath_pci.ko] undefined!
*** Warning: "ieee80211_ioctl_giwtxpow"
[/home/robert/madwifi/ath/ath_pci.ko] undefined!
*** Warning: "ath_rate_setupxtxdesc" [/home/robert/madwifi/ath/ath_pci.ko]
undefined!
*** Warning: "ath_rate_newstate" [/home/robert/madwifi/ath/ath_pci.ko]
undefined!
*** Warning: "ieee80211_chan2mode" [/home/robert/madwifi/ath/ath_pci.ko]
undefined!

[more warnings ommitted]

There are some pages on the web that tell you to ignore build errors,
however, they come back again when I try to /sbin/modprobe the module,
and (of course) prevent it from being loaded.

make install looks strange as well, because after stripping the ath_pci
module, it creates a strange(?) place to copy the module to. This is the
last output from make install:

test -d //usr/share/modules/versions:/usr/share/modules/modulefiles || mkdir
-p //usr/share/modul
strip -S ath_pci.ko
cp ath_pci.ko //usr/share/modules/versions:/usr/share/modules/modulefiles
make[1]: Leaving directory /home/robert/madwifi/ath'
/sbin/depmod -ae


I use kernel 2.6.9. CONFIG_MODVERSIONS is not set.

Volker Gropp's madwifi-2.6.8-mm_and_later-040927.patch (mentioned in the
FAQ) does not help.

I am sorry if this is a well-known problem, but I could not find anything
about it on the web.

Any pointers would be appreciated.
Thanks in advance,

Robert                                               

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