Can't make ffmpeg from source (0.6.1)

[ht at inf dot ed dot ac dot uk (Henry S. Thompson)]

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I've tried a number of variations wrt configure, the latest is a
near-copy of the one used for the cygport version (which I can't use,
missing libvpx support), but I can't get past an early compilation
failure:

CC      libavformat/4xm.o
In file included from /usr/include/endian.h:42,
                 from /usr/include/cygwin/types.h:22,
                 from /usr/include/sys/types.h:440,
                 from /usr/include/stdio.h:46,
                 from ./libavutil/common.h:34,
                 from ./libavutil/intreadwrite.h:25,
                 from libavformat/4xm.c:30:
/usr/include/byteswap.h:19: error: redefinition of 'bswap_16'
./libavutil/x86/bswap.h:33: error: previous definition of 'bswap_16' was here
/usr/include/byteswap.h:25: error: redefinition of 'bswap_32'
./libavutil/x86/bswap.h:40: error: previous definition of 'bswap_32' was here
/usr/include/byteswap.h:31: error: redefinition of 'bswap_64'
./libavutil/bswap.h:70: error: previous definition of 'bswap_64' was here
make: *** [libavformat/4xm.o] Error 1

Is there something obvious I'm missing?

Running 1.7.7-1 on XP SP3

ht
- -- 
       Henry S. Thompson, School of Informatics, University of Edinburgh
      10 Crichton Street, Edinburgh EH8 9AB, SCOTLAND -- (44) 131 650-4440
                Fax: (44) 131 651-1426, e-mail: ht@inf.ed.ac.uk
                       URL: http://www.ltg.ed.ac.uk/~ht/
 [mail from me _always_ has a .sig like this -- mail without it is forged spam]
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