cmake_minimum_required(VERSION 3.7)
project( DelayDeviceLinking CUDA)

string(APPEND CMAKE_CUDA_FLAGS " -gencode arch=compute_30,code=compute_30")
set(CMAKE_CXX_STANDARD 11)
set(CMAKE_CUDA_STANDARD 11)

add_library(StaticA STATIC function1.cu)
add_library(StaticB STATIC function2.cu)
add_library(StaticC STATIC function3.cu)

target_link_libraries(StaticB PUBLIC StaticA)
target_link_libraries(StaticC PUBLIC StaticA)

set_target_properties(StaticA StaticB StaticC
                      PROPERTIES
                      CUDA_SEPARABLE_COMPILATION ON
                      POSITION_INDEPENDENT_CODE ON)

add_executable( DelayDeviceLinkingA main.cu)
target_link_libraries(DelayDeviceLinkingA PRIVATE StaticB)

add_executable( DelayDeviceLinkingB main2.cu)
target_link_libraries(DelayDeviceLinkingB PRIVATE StaticB StaticC)

if(APPLE)
  # We need to add the default path to the driver (libcuda.dylib) as an rpath, so that
  # the static cuda runtime can find it at runtime.
  target_link_libraries(DelayDeviceLinkingA PRIVATE -Wl,-rpath,/usr/local/cuda/lib)
  target_link_libraries(DelayDeviceLinkingB PRIVATE -Wl,-rpath,/usr/local/cuda/lib)
endif()