Refactor to isolate staging buffer code.

tests/src/CMakeLists.txt

@@ -35,8 +35,8 @@ if (${HIP_PLATFORM} STREQUAL "hcc")
 	include_directories(${HIP_PATH}/include)
 
 	# hip_hcc.o:
-    add_library(hip_hcc STATIC ${HIP_PATH}/src/hip_hcc.cpp )
-    #add_library(hip_hcc STATIC ${HIP_PATH}/src/hip_hcc.cpp ${HIP_PATH}/src/staging_buffer.cpp)
+    #add_library(hip_hcc STATIC ${HIP_PATH}/src/hip_hcc.cpp )
+    add_library(hip_hcc STATIC ${HIP_PATH}/src/hip_hcc.cpp ${HIP_PATH}/src/staging_buffer.cpp)
 	target_include_directories(hip_hcc PRIVATE ${HSA_PATH}/include)
 
 
@@ -139,9 +139,6 @@ make_hip_executable (hipHostGetFlags hipHostGetFlags.cpp)
 make_hip_executable (hipHostRegister hipHostRegister.cpp)
 make_hip_executable (hipRandomMemcpyAsync hipRandomMemcpyAsync.cpp)
 
-# not needed since hipcc now includes -lm by default:
-#target_link_libraries(hipMathFunctionsHost m)
-
 make_test(hip_ballot " " )
 make_test(hip_anyall " " )
 make_test(hip_popc " " )