message: add XLINKER flag for HIP
diff: @@ -238,6 +238,7 @@ endif
  ifeq ($(MFEM_USE_HIP),YES)
  MFEM_CXX ?= $(HIP_CXX)
  ALL_LIBS += $(HIP_FLAGS)
  + XLINKER = -Wl,
  # TODO: set XCOMPILER and XLINKER
  # HIP_OPT and HIP_LIB are added below
  # Compatibility test against MFEM_USE_CUDA
  