also loading hip runtime libs and link them

CMakeLists.txt

@@ -686,9 +686,11 @@ if ( WALBERLA_BUILD_WITH_HIP )
 
     if( CMAKE_HIP_COMPILER )
         enable_language(HIP)
+        find_package(hip REQUIRED)
         # since waLBerla also supports CUDA we only use HIP on an AMD platform
         add_compile_definitions(__HIP_PLATFORM_AMD__)
         # include_directories(${HSA_HEADER})
+        list (APPEND SERVICE_LIBS hip::host)
     else()
         message( FATAL_ERROR "HIP could not be found. Either make HIP available or disable WALBERLA_BUILD_WITH_HIP!" )
     endif ( )

src/gpu/CMakeLists.txt

@@ -51,6 +51,13 @@ if (WALBERLA_BUILD_WITH_CUDA)
         )
 endif (WALBERLA_BUILD_WITH_CUDA)
 
+if (WALBERLA_BUILD_WITH_HIP)
+   target_link_libraries( walberla_gpu
+        Public
+        hip::host
+        )
+endif (WALBERLA_BUILD_WITH_HIP)
+
 add_subdirectory( sweeps )
 add_subdirectory( communication )
 add_subdirectory( lbm )