Gentoo's Bugzilla –
Attachment 369870 Details for
Bug 500676=media-sound/mpd-0.18.8 fails to compile: /usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/../../../../x86_64-pc-linux-gnu/bin/ld: /usr/lib/gcc/x86_64-pc-linux-gnu/4.7.3/../../../../lib64/libFLAC.so: undefined reference to symbol 'ogg_stream_flush'