Port automake 1.10 support from libtheora.
Port automake 1.10 support from libtheora.

svn path=/trunk/ogg/; revision=14412

brion/ogg,ShiftMediaProject/ogg,brion/ogg,ShiftMediaProject/ogg,youfearm3/ogg,emscripten-ports/Ogg,ksophocleous/ogg,ksophocleous/ogg,xiph/ogg,eidy/libogg,mwgoldsmith/ogg,felipebetancur/ogg,xiph/ogg,emscripten-ports/Ogg,nicolaichuk/ogg,mwgoldsmith/ogg,felipebetancur/ogg,nicolaichuk/ogg,eidy/libogg,youfearm3/ogg