Using 11.04 and gcc 4.5.2 on AltiVec-capable PPC, dct-test fails to build:

$ make libavcodec/dct-test
LD      libavcodec/dct-test
libavcodec/dct-test.o:(.rodata+0x140): undefined reference to `fdct_altivec'
collect2: ld returned 1 exit status
make: *** [libavcodec/dct-test] Error 1

This causes 'make fate' to fail (although 'make fate -k' completes the
remaining tests).

Note that the PPC FATE machines hit this same problem, but it doesn't seem
to influence the tests. E.g., look here:

http://fate.libav.org/ppc-linux-gcc-4.7/20120217194040/test

and observe that the last line is:

make: Target `fate' not remade because of errors.

This is due to dct-test failing to build.

--
    -Mike Melanson

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