# Copyright 2019-2020 CERN and copyright holders of ALICE O2.
# See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
# All rights not expressly granted are reserved.
#
# This software is distributed under the terms of the GNU General Public
# License v3 (GPL Version 3), copied verbatim in the file "COPYING".
#
# In applying this license CERN does not waive the privileges and immunities
# granted to it by virtue of its status as an Intergovernmental Organization
# or submit itself to any jurisdiction.

# CUDA
if(CUDA_ENABLED)
    find_package(CUDAToolkit)
    message(STATUS "Building ITS CUDA tracker")
    # add_compile_options(-O0 -g -lineinfo -fPIC -DGPU_FORCE_DEVICE_ASSERTS=ON)
    # add_compile_definitions(ITS_MEASURE_GPU_TIME)
    # add_compile_definitions(ITS_GPU_LOG)
    o2_add_library(ITStrackingCUDA
                   SOURCES ClusterLinesGPU.cu
                           TrackerTraitsGPU.cxx
                           TimeFrameGPU.cu
                           TracerGPU.cu
                           TrackingKernels.cu
                           VertexingKernels.cu
                           VertexerTraitsGPU.cxx
                   PUBLIC_INCLUDE_DIRECTORIES ../
                   PUBLIC_LINK_LIBRARIES O2::ITStracking
                                         O2::SimConfig
                                         O2::SimulationDataFormat
                                         O2::ReconstructionDataFormats
                                         O2::GPUCommon
                   PRIVATE_LINK_LIBRARIES O2::GPUTrackingCUDAExternalProvider
                   TARGETVARNAME targetName)

    set_property(TARGET ${targetName} PROPERTY CUDA_SEPARABLE_COMPILATION ON)
    target_compile_definitions(${targetName} PRIVATE $<TARGET_PROPERTY:O2::ITStracking,COMPILE_DEFINITIONS>)
    set_target_cuda_arch(${targetName})
endif()