Quote expansions

Author: jchlanda

sycl/plugins/hip/CMakeLists.txt

@@ -45,11 +45,11 @@ else()
 endif()
 
 # Set up defaults for UR
-set(UR_HIP_INCLUDE_DIR ${PI_HIP_INCLUDE_DIR} CACHE PATH
+set(UR_HIP_INCLUDE_DIR "${PI_HIP_INCLUDE_DIR}" CACHE PATH
   "Custom ROCm HIP include dir")
-set(UR_HIP_HSA_INCLUDE_DIRS ${PI_HIP_HSA_INCLUDE_DIR} CACHE PATH
+set(UR_HIP_HSA_INCLUDE_DIRS "${PI_HIP_HSA_INCLUDE_DIR}" CACHE PATH
   "Custom ROCm HSA include dir")
-set(UR_HIP_LIB_DIR ${PI_HIP_LIB_DIR} CACHE PATH
+set(UR_HIP_LIB_DIR "${PI_HIP_LIB_DIR}" CACHE PATH
   "Custom ROCm HIP library dir")
 
 # Mark override options for advanced usage