diff --git a/llvm/projects/visc-rt/Makefile b/llvm/projects/visc-rt/Makefile
index 8d1cde4708930016fc87ff34b39c8f93a7c62808..19cf51885952173721073d6a9e0cf85f88946c17 100644
--- a/llvm/projects/visc-rt/Makefile
+++ b/llvm/projects/visc-rt/Makefile
@@ -1,5 +1,8 @@
-LLVM_SRC_ROOT = /home/psrivas2/Hetero/VISC/Code/trunk/llvm
-LLVM_INSTALL = /home/psrivas2/Hetero/VISC/Code/trunk/llvm-install
+ifndef LLVM_SRC_ROOT
+  $(info "$$(LLVM_SRC_ROOT) is not defined")
+endif
+
+LLVM_INSTALL = $(LLVM_SRC_ROOT)/../llvm-install
 
 CPP_FLAGS = -I $(LLVM_SRC_ROOT)/include -I /usr/local/cuda/include
 TARGET:=visc-rt