Link libdl (-ldl) to compile ut correctly
Link libdl (-ldl) to compile ut correctly

ut failed to link correctly because libLLVMSupport (-lLLVMSupport) had undefined references to dlopen, etc. 
iamrekcah/clay,iamrekcah/clay,mario-campos/clay,iamrekcah/clay,mario-campos/clay,mario-campos/clay,iamrekcah/clay,iamrekcah/clay,mario-campos/clay,mario-campos/clay