[FFmpeg-user] Error installing FFmpeg from source with Cygwin: "make: *** [libavdevice/dshow.o] Error 1"

AG mail2box at tiscali.it
Wed Nov 14 17:48:52 CET 2012

I'm using Cygwin (1.7.17) and I keep getting an error with 'make' when installing FFmpeg from source (version 1.0). The following are my steps. I'm asking for help. If you need further details let me know.
Thank you for your attention

$ wget "http://ffmpeg.org/releases/ffmpeg-snapshot.tar.bz2"
$ tar -xjvf ffmpeg-snapshot.tar.bz2
$ cd ffmpeg
$ ./configure
$ make
CC      libavdevice/alldevices.o
CC      libavdevice/avdevice.o
CC      libavdevice/dshow.o
In file included from /usr/lib/gcc/i686-pc-cygwin/4.5.3/../../../../include/w32api/ds
                 from libavdevice/dshow_capture.h:31,
                 from libavdevice/dshow.c:27:
/usr/lib/gcc/i686-pc-cygwin/4.5.3/../../../../include/w32api/strsafe.h: In function â
/usr/lib/gcc/i686-pc-cygwin/4.5.3/../../../../include/w32api/strsafe.h:1851:11: errors function)
/usr/lib/gcc/i686-pc-cygwin/4.5.3/../../../../include/w32api/strsafe.h:1851:11: note:nly once for each function it appears in
libavdevice/dshow.c: In function ‘dshow_cycle_devices’:
libavdevice/dshow.c:285:12: error: ‘VARIANT’ has no member named ‘vt’
libavdevice/dshow.c:290:36: error: ‘VARIANT’ has no member named ‘bstrVal’
common.mak:48: recipe for target `libavdevice/dshow.o' failed
make: *** [libavdevice/dshow.o] Error 1

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