They weren't even installed, and [1] suggests linking directly to the dll.
[1] http://sourceware.org/binutils/docs-2.18/ld/WIN32.html

Originally committed as revision 10740 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 10718 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 10717 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 10716 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 10677 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 10620 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 10595 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 10594 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 10593 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 10566 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 10558 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 10557 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 10555 to svn://svn.ffmpeg.org/ffmpeg/trunk

some help by Jan Knutar, jknutar nic fi

Originally committed as revision 10553 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 10543 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 10542 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 10540 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 10532 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 10531 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 10530 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 10528 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 10526 to svn://svn.ffmpeg.org/ffmpeg/trunk

Configure properly detects which flags are needed on --enable-pthreads

Originally committed as revision 10524 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 10523 to svn://svn.ffmpeg.org/ffmpeg/trunk

--disable-demuxer=bktr should be used instead

Originally committed as revision 10522 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 10516 to svn://svn.ffmpeg.org/ffmpeg/trunk

patch by Matthias Schneider, ma30002000 yahoo de

Originally committed as revision 10515 to svn://svn.ffmpeg.org/ffmpeg/trunk

to better comply with the FHS.
patch by Stefano Sabatini, stefano.sabatini-lala poste it

Originally committed as revision 10508 to svn://svn.ffmpeg.org/ffmpeg/trunk

that can be set to a suitable platform-specific command.
patch by Dave Yeo, daveryeo telus net

Originally committed as revision 10503 to svn://svn.ffmpeg.org/ffmpeg/trunk

--disable-(de)muxer=oss should be used instead.

Originally committed as revision 10428 to svn://svn.ffmpeg.org/ffmpeg/trunk

--disable-(de)muxer=audio_beos should be used instead.

Originally committed as revision 10427 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 10426 to svn://svn.ffmpeg.org/ffmpeg/trunk

--disable-demuxer={v4l,v4l2} should be used instead

Originally committed as revision 10413 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 10411 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 10400 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 10292 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 10252 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 10248 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 10243 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 10233 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 10232 to svn://svn.ffmpeg.org/ffmpeg/trunk

--disable-demuxer=dv1394 should be used instead

Originally committed as revision 10213 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 10209 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 10190 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 10189 to svn://svn.ffmpeg.org/ffmpeg/trunk

based on patch by Johansson Erik-EJO017, erik.johansson motorola com

Originally committed as revision 10188 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 10187 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 10171 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 10170 to svn://svn.ffmpeg.org/ffmpeg/trunk

closes issue72

Originally committed as revision 10153 to svn://svn.ffmpeg.org/ffmpeg/trunk