rocm 3.5 build

CMakeLists.txt

@@ -18,22 +18,29 @@ include_directories(BEFORE ${Boost_INCLUDE_DIRS})
 link_directories(${Boost_LIBRARY_DIRS})
 
 #OpenMP
-if( NOT( ${CMAKE_CXX_COMPILER_ID} STREQUAL "AppleClang") )
-    find_package(OpenMP REQUIRED)
+if(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
+	# workaround issue hipcc in rocm3.5 cannot find openmp
+	set(OpenMP_CXX "${CMAKE_CXX_COMPILER}")
+	set(OpenMP_CXX_FLAGS "-fopenmp=libomp -Wno-unused-command-line-argument")
+	set(OpenMP_CXX_LIB_NAMES "libomp" "libgomp" "libiomp5")
+	set(OpenMP_libomp_LIBRARY ${OpenMP_CXX_LIB_NAMES})
+	set(OpenMP_libgomp_LIBRARY ${OpenMP_CXX_LIB_NAMES})
+	set(OpenMP_libiomp5_LIBRARY ${OpenMP_CXX_LIB_NAMES})
+else()
+	find_package(OpenMP REQUIRED)
+endif()
 
-    message("OpenMP_CXX_LIB_NAMES: ${OpenMP_CXX_LIB_NAMES}")
-    message("OpenMP_gomp_LIBRARY: ${OpenMP_gomp_LIBRARY}")
-    message("OpenMP_pthread_LIBRARY: ${OpenMP_pthread_LIBRARY}")
-    message("OpenMP_CXX_FLAGS: ${OpenMP_CXX_FLAGS}")
+message("OpenMP_CXX_LIB_NAMES: ${OpenMP_CXX_LIB_NAMES}")
+message("OpenMP_gomp_LIBRARY: ${OpenMP_gomp_LIBRARY}")
+message("OpenMP_pthread_LIBRARY: ${OpenMP_pthread_LIBRARY}")
+message("OpenMP_CXX_FLAGS: ${OpenMP_CXX_FLAGS}")
 
-    set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OpenMP_CXX_FLAGS}")
-    link_libraries(${OpenMP_gomp_LIBRARY})
-    link_libraries(${OpenMP_pthread_LIBRARY})
-endif( NOT( ${CMAKE_CXX_COMPILER_ID} STREQUAL "AppleClang") )
+set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OpenMP_CXX_FLAGS}")
+link_libraries(${OpenMP_gomp_LIBRARY})
+link_libraries(${OpenMP_pthread_LIBRARY})
 
 #GPU backend
 if(DEVICE_BACKEND STREQUAL "AMD")
-    set(CMAKE_MODULE_PATH "/opt/rocm/hip/cmake" ${CMAKE_MODULE_PATH})
     find_package(HIP REQUIRED)
 elseif(DEVICE_BACKEND STREQUAL "NVIDIA")
 	enable_language(CUDA)