libogg2 threading doesn't work on FreeBSD
On FreeBSD there is no -lpthread, we use -pthread instead. libogg2 does not work with -pthread, which means threading needs to be disabled on BSD* platforms for it to compile.
On FreeBSD there is no -lpthread, we use -pthread instead. libogg2 does not work with -pthread, which means threading needs to be disabled on BSD* platforms for it to compile.