[LAD] hdspm.c compile error

[peter boehm]

hello,

i recently purchased a madiface with express card.
trying to compile a debian-source kernel 2.6.26-4, with replaced hdspm.c 
and hdspm.h, following instructions on

http://wiki.linuxproaudio.org/index.php/Driver:hdspm

i get following compile error:

ERROR: "__muldf3" [sound/pci/rme9652/snd-hdspm.ko] undefined!
ERROR: "__divdf3" [sound/pci/rme9652/snd-hdspm.ko] undefined!
ERROR: "__fixdfsi" [sound/pci/rme9652/snd-hdspm.ko] undefined!
ERROR: "__adddf3" [sound/pci/rme9652/snd-hdspm.ko] undefined!
ERROR: "__floatsidf" [sound/pci/rme9652/snd-hdspm.ko] undefined!


i tried to get more info on the net about this errors but did not find 
usefull hints. any help would be appreciated!

peter