# 3.20.1 required for rapids-cmake
# 3.21.0 required for NVBench_ADD_DEPENDENT_DLLS_TO_* (MSVC only)
cmake_minimum_required(VERSION 3.20.1)

set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CUDA_STANDARD 17)
set(CMAKE_POSITION_INDEPENDENT_CODE ON)

if ("${CMAKE_SOURCE_DIR}" STREQUAL "${CMAKE_CURRENT_LIST_DIR}")
  set(NVBench_TOPLEVEL_PROJECT ON)
else()
  set(NVBench_TOPLEVEL_PROJECT OFF)
endif()

include(cmake/NVBenchRapidsCMake.cmake)
nvbench_load_rapids_cmake()

project(NVBench
  LANGUAGES CUDA CXX
  VERSION 0.1.0
)

nvbench_init_rapids_cmake()

# See NVIDIA/NVBench#52
find_package(CUDAToolkit REQUIRED)
set(cupti_default ON)
if (${CUDAToolkit_VERSION} VERSION_LESS 11.3)
  set(cupti_default OFF)
endif()

option(NVBench_ENABLE_NVML "Build with NVML support from the Cuda Toolkit." ON)
option(NVBench_ENABLE_CUPTI "Build NVBench with CUPTI." ${cupti_default})

option(NVBench_ENABLE_TESTING "Build NVBench testing suite." OFF)
option(NVBench_ENABLE_EXAMPLES "Build NVBench examples." OFF)

include(cmake/NVBenchConfigTarget.cmake)
include(cmake/NVBenchDependentDlls.cmake)
include(cmake/NVBenchExports.cmake)
include(cmake/NVBenchWriteConfigHeader.cmake)
include(cmake/NVBenchDependencies.cmake)
include(cmake/NVBenchInstallRules.cmake)
include(cmake/NVBenchUtilities.cmake)

message(STATUS "NVBench CUDA architectures: ${CMAKE_CUDA_ARCHITECTURES}")

add_subdirectory(nvbench)

if (NVBench_ENABLE_EXAMPLES OR NVBench_ENABLE_TESTING)
  enable_testing()
endif()

if (NVBench_ENABLE_EXAMPLES)
  add_subdirectory(examples)
endif()

if (NVBench_ENABLE_TESTING)
  add_subdirectory(testing)
endif()

nvbench_generate_exports()