error building avifile on ppc

Hello list,

i try to build (Slackintosh) - packages of avifile and get some error:

make[3]: Leaving directory 
`/root/ablage/temp/avifile-0.7-0.7.43/ffmpeg/libavcodec/mlib'
Making all in ppc
make[3]: Entering directory 
`/root/ablage/temp/avifile-0.7-0.7.43/ffmpeg/libavcodec/ppc'
/bin/sh ../../../libtool --mode=compile powerpc-slackware-linux-gcc 
-DHAVE_CONFIG_H -I. -I. -I../../../include   -DHAVE_AV_CONFIG_H 
-I./../.. -Wall -
Wno-unused -I../../../include  -O2 -D_LARGEFILE_SOURCE 
-D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE -pipe -c dsputil_altivec.c
 powerpc-slackware-linux-gcc -DHAVE_CONFIG_H -I. -I. -I../../../include 
-DHAVE_AV_CONFIG_H -I./../.. -Wall -Wno-unused -I../../../include -O2 
-D_LARG
EFILE_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE -pipe -c 
dsputil_altivec.c  -fPIC -DPIC -o .libs/dsputil_altivec.o
dsputil_altivec.c: In function `sad16_x2_altivec':
dsputil_altivec.c:58: error: syntax error before "unsigned"
dsputil_altivec.c:59: error: `vector' undeclared (first use in this 
function)
dsputil_altivec.c:59: error: (Each undeclared identifier is reported 
only once
dsputil_altivec.c:59: error: for each function it appears in.)
dsputil_altivec.c:65: error: `sad' undeclared (first use in this function)
dsputil_altivec.c:65: error: parse error before "unsigned"
dsputil_altivec.c:72: error: `tv' undeclared (first use in this function)
dsputil_altivec.c:72: error: parse error before "unsigned"
dsputil_altivec.c:73: error: `pix1v' undeclared (first use in this function)
dsputil_altivec.c:73: warning: implicit declaration of function `vec_perm'
dsputil_altivec.c:73: warning: implicit declaration of function `vec_lvsl'
dsputil_altivec.c:75: error: parse error before "unsigned"
dsputil_altivec.c:76: error: `pix2v' undeclared (first use in this function)
dsputil_altivec.c:78: error: parse error before "unsigned"
dsputil_altivec.c:79: error: `pix2iv' undeclared (first use in this 
function)
dsputil_altivec.c:82: error: `avgv' undeclared (first use in this function)
dsputil_altivec.c:82: warning: implicit declaration of function `vec_avg'
dsputil_altivec.c:85: error: `t5' undeclared (first use in this function)
dsputil_altivec.c:85: warning: implicit declaration of function `vec_sub'
dsputil_altivec.c:85: warning: implicit declaration of function `vec_max'

SNIP

I use avifile-0.7-0.7.43 and gcc-3.3.4. Compiling ffmpeg-0.4.9-pre1 
works fine!

Any suggestions would be fine!

Bye
  Thorsten