CMake/Modules/Compiler/NVIDIA-CUDA.cmake

include(Compiler/NVIDIA)
__compiler_nvidia_cxx_standards(CUDA)

set(CMAKE_CUDA_COMPILER_HAS_DEVICE_LINK_PHASE True)
set(CMAKE_CUDA_VERBOSE_FLAG "-v")
set(CMAKE_CUDA_VERBOSE_COMPILE_FLAG "-Xcompiler=-v")

set(_CMAKE_COMPILE_AS_CUDA_FLAG "-x cu")
set(_CMAKE_CUDA_WHOLE_FLAG "-c")
set(_CMAKE_CUDA_RDC_FLAG "-rdc=true")
set(_CMAKE_CUDA_PTX_FLAG "-ptx")
set(_CMAKE_CUDA_CUBIN_FLAG "-cubin")
set(_CMAKE_CUDA_FATBIN_FLAG "-fatbin")
if(CMAKE_CUDA_COMPILER_VERSION VERSION_GREATER_EQUAL "11.7.0")
  set(_CMAKE_CUDA_OPTIX_FLAG "-optix-ir")
endif()

if (CMAKE_CUDA_COMPILER_VERSION VERSION_GREATER_EQUAL 10.2.89)
  # The -forward-unknown-to-host-compiler flag was only
  # added to nvcc in 10.2 so before that we had no good
  # way to invoke the CUDA compiler and propagate unknown
  # flags such as -pthread to the host compiler
  set(_CMAKE_CUDA_EXTRA_FLAGS "-forward-unknown-to-host-compiler")
else()
  set(_CMAKE_CUDA_EXTRA_FLAGS "")
endif()

if(CMAKE_CUDA_COMPILER_VERSION VERSION_GREATER_EQUAL "8.0.0")
  set(_CMAKE_CUDA_EXTRA_DEVICE_LINK_FLAGS "-Wno-deprecated-gpu-targets")
else()
  set(_CMAKE_CUDA_EXTRA_DEVICE_LINK_FLAGS "")
endif()

if(CMAKE_CUDA_HOST_COMPILER AND NOT CMAKE_GENERATOR MATCHES "Visual Studio")
  string(APPEND _CMAKE_CUDA_EXTRA_FLAGS " -ccbin=<CMAKE_CUDA_HOST_COMPILER>")
endif()

if (CMAKE_CUDA_COMPILER_VERSION VERSION_GREATER_EQUAL 10.2.89)
  # Starting in 10.2, nvcc supported treating all warnings as errors
  set(CMAKE_CUDA_COMPILE_OPTIONS_WARNING_AS_ERROR "-Werror" "all-warnings")
endif()

if (CMAKE_CUDA_COMPILER_VERSION VERSION_GREATER_EQUAL 10.2.89)
  # The -MD flag was only added to nvcc in 10.2 so
  # before that we had to invoke the compiler twice
  # to get header dependency information
  set(CMAKE_DEPFILE_FLAGS_CUDA "-MD -MT <DEP_TARGET> -MF <DEP_FILE>")
else()
  set(CMAKE_CUDA_DEPENDS_EXTRA_COMMANDS "<CMAKE_CUDA_COMPILER> ${_CMAKE_CUDA_EXTRA_FLAGS} <DEFINES> <INCLUDES> <FLAGS> ${_CMAKE_COMPILE_AS_CUDA_FLAG} -M <SOURCE> -MT <OBJECT> -o <DEP_FILE>")
endif()
set(CMAKE_CUDA_DEPFILE_FORMAT gcc)
if((NOT DEFINED CMAKE_DEPENDS_USE_COMPILER OR CMAKE_DEPENDS_USE_COMPILER)
    AND CMAKE_GENERATOR MATCHES "Makefiles|WMake")
  set(CMAKE_CUDA_DEPENDS_USE_COMPILER TRUE)
endif()

if(CMAKE_CUDA_COMPILER_VERSION VERSION_GREATER_EQUAL 11.2)
  set(_CMAKE_CUDA_IPO_SUPPORTED_BY_CMAKE YES)
  set(_CMAKE_CUDA_IPO_MAY_BE_SUPPORTED_BY_COMPILER YES)

  set(CMAKE_CUDA_DEVICE_LINK_OPTIONS_IPO " -dlto")
endif()

if(NOT "x${CMAKE_CUDA_SIMULATE_ID}" STREQUAL "xMSVC")
  set(CMAKE_CUDA_COMPILE_OPTIONS_PIE -Xcompiler=-fPIE)
  set(CMAKE_CUDA_COMPILE_OPTIONS_PIC -Xcompiler=-fPIC)
  set(CMAKE_CUDA_COMPILE_OPTIONS_VISIBILITY -Xcompiler=-fvisibility=)
  # CMAKE_SHARED_LIBRARY_CUDA_FLAGS is sent to the host linker so we
  # don't need to forward it through nvcc.
  set(CMAKE_SHARED_LIBRARY_CUDA_FLAGS -fPIC)
  string(APPEND CMAKE_CUDA_FLAGS_INIT " ")
  string(APPEND CMAKE_CUDA_FLAGS_DEBUG_INIT " -g")
  string(APPEND CMAKE_CUDA_FLAGS_RELEASE_INIT " -O3 -DNDEBUG")
  string(APPEND CMAKE_CUDA_FLAGS_MINSIZEREL_INIT " -O1 -DNDEBUG")
  string(APPEND CMAKE_CUDA_FLAGS_RELWITHDEBINFO_INIT " -O2 -g -DNDEBUG")
endif()

set(CMAKE_SHARED_LIBRARY_CREATE_CUDA_FLAGS -shared)
set(CMAKE_INCLUDE_SYSTEM_FLAG_CUDA "-isystem ")

if (CMAKE_CUDA_SIMULATE_ID STREQUAL "GNU")
  set(CMAKE_CUDA_LINKER_WRAPPER_FLAG "-Wl,")
  set(CMAKE_CUDA_LINKER_WRAPPER_FLAG_SEP ",")
elseif(CMAKE_CUDA_SIMULATE_ID STREQUAL "Clang")
  set(CMAKE_CUDA_LINKER_WRAPPER_FLAG "-Xlinker" " ")
  set(CMAKE_CUDA_LINKER_WRAPPER_FLAG_SEP)
endif()

set(CMAKE_CUDA_DEVICE_COMPILER_WRAPPER_FLAG "-Xcompiler=")
set(CMAKE_CUDA_DEVICE_COMPILER_WRAPPER_FLAG_SEP ",")
set(CMAKE_CUDA_DEVICE_LINKER_WRAPPER_FLAG "-Xlinker=")
set(CMAKE_CUDA_DEVICE_LINKER_WRAPPER_FLAG_SEP ",")

set(CMAKE_CUDA_RUNTIME_LIBRARY_LINK_OPTIONS_STATIC  "cudadevrt;cudart_static")
set(CMAKE_CUDA_RUNTIME_LIBRARY_LINK_OPTIONS_SHARED  "cudadevrt;cudart")
set(CMAKE_CUDA_RUNTIME_LIBRARY_LINK_OPTIONS_NONE    "")

if(UNIX AND NOT (CMAKE_SYSTEM_NAME STREQUAL "QNX"))
  list(APPEND CMAKE_CUDA_RUNTIME_LIBRARY_LINK_OPTIONS_STATIC "rt" "pthread" "dl")
endif()

if (CMAKE_CUDA_COMPILER_VERSION VERSION_GREATER_EQUAL "9.0")
  set(CMAKE_CUDA_RESPONSE_FILE_DEVICE_LINK_FLAG "--options-file ")
  set(CMAKE_CUDA_RESPONSE_FILE_FLAG "--options-file ")
endif()

if (CMAKE_CUDA_COMPILER_VERSION VERSION_GREATER_EQUAL "11.0")
  set(CMAKE_CUDA_USE_RESPONSE_FILE_FOR_INCLUDES 1)
  set(CMAKE_CUDA_USE_RESPONSE_FILE_FOR_LIBRARIES 1)
  set(CMAKE_CUDA_USE_RESPONSE_FILE_FOR_OBJECTS 1)
else()
  set(CMAKE_CUDA_USE_RESPONSE_FILE_FOR_INCLUDES 0)
  set(CMAKE_CUDA_USE_RESPONSE_FILE_FOR_LIBRARIES 0)
  set(CMAKE_CUDA_USE_RESPONSE_FILE_FOR_OBJECTS 0)
endif()