When building for iOS, I get this error with FMOD 2.01.04:
▸ Linking UnityFramework
Undefined symbols for architecture arm64
> Symbol: _FMOD5_System_GetCPUUsageEx
> Referenced from: _System_getCPUUsageEx_m4EA60B358E99BCA5B44B20CEA000250509A39CB6_AdjustorThunk in Assembly-CSharp-firstpass1.o
ld: symbol(s) not found for architecture arm64
clang: error: linker command failed with exit code 1 (use -v to see invocation)