Minimal CMakeLists.txt template for CUDA

CMakeLists.txt

cmake_minimum_required(VERSION 3.8) # CUDA language support

project(template
  LANGUAGES
    CXX CUDA
)

set(Hdrs Other.hpp)

set(Srcs
  Main.cpp
  Other.cu
)

add_executable(${PROJECT_NAME} ${Hdrs} ${Srcs})

target_include_directories(${PROJECT_NAME}
  PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}
)

target_compile_features(${PROJECT_NAME}
  PRIVATE
    cxx_std_17
    cuda_std_17
)

target_compile_definitions(${PROJECT_NAME}
  PRIVATE
    $<$<COMPILE_LANGUAGE:CXX>:SOME_ABI_CONTROLLING_DEFINE=WHATEVER>
    $<$<COMPILE_LANGUAGE:CUDA>:SOME_DEVICE_DEF=32>
)

set_target_properties(${PROJECT_NAME}
  PROPERTIES
    CUDA_SEPARABLE_COMPILATION ON
)

source_group ("Headers" FILES ${Hdrs})
source_group ("Sources" FILES ${Srcs})

Main.cpp

#include <Other.hpp>

int main()
{
    return foo();
}

Other.cu

#include <cuda_runtime.h>

__global__ void kernel() {}

int foo()
{
    kernel<<<SOME_DEVICE_DEF,SOME_DEVICE_DEF>>>();

    return 0;
}

Other.hpp

int foo();