Compiling a program with UPC++ throws errors, especially in the associated "backend.hpp" file.
This is the code I use in the given example Makefile:
else ifeq ($(BACKEND), UPCXX) BACKEND=UPCXX CXX=$(HOME)/opt/upcxx/bin/upcxx BCLFLAGS = -DUPCXX -I$(BCLROOT) BCL_RUN=$(HOME)/opt/upcxx/bin/upcxx-run