[FFmpeg-user] Meet problem when cross compiler(using powerpc-linux-gnu-gcc ) FFMPEG source code

[小羊]

Hi All,
I am a newbie for using FFMPEG lib to develop a tool.
Firstly, i downloaded the source code from git server and tried to cross
compiler(powerpc-linux-gnu-gcc ) the source code on my LINUX server.
Unfortunately,  it is not  smooth.

My compiler environment:
OS: Ubuntu 11.04
VMWare: 7.0

My configuration:
./configure --enable-cross-compile --arch=powerpc
--host-cc=powerpc-linux-gnu-gcc --target-os=linux

Error Message:
You need a compiler that supports {} in AltiVec vector declarations


Can someone give me some suggestion?
Thanks in advance.