While the source is C++, it doesn't use anything from the C++ runtime, so by building with -fno-exceptions -fno-rtti, the dynamic library doesn't have to be linked to libstdc++. This also simplifies things for users of the static library.
This avoids name clashes with the similarly named files in libSBRdec, when building all libraries with one single automake file.
Change-Id: If97c7482bffaab4a21cd2fb8341f2939f19d3bbd