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cmake_minimum_required(VERSION 3.7)
project (Complex CXX CUDA)
#Goal for this example:
#build a cpp dynamic library base
#build a cuda static library base that uses separable compilation
#build a cuda dynamic library that uses the first dynamic library
#build a mixed cpp & cuda dynamic library uses all 3 previous libraries
#lastly build a cpp executable that uses this last cuda dynamic library
#this tests that we can properly handle linking cuda and cpp together
#and also building cpp targets that need cuda implicit libraries
#verify that we can pass explicit cuda arch flags
string(APPEND CMAKE_CUDA_FLAGS " -gencode arch=compute_30,code=compute_30")
set(CMAKE_CUDA_STANDARD 11)
set(CMAKE_CXX_STANDARD 11)
set(CMAKE_CUDA_STANDARD_REQUIRED TRUE)
set(CMAKE_CXX_STANDARD_REQUIRED TRUE)
add_library(CudaComplexCppBase SHARED dynamic.cpp)
add_library(CudaComplexSharedLib SHARED dynamic.cu)
target_link_libraries(CudaComplexSharedLib PUBLIC CudaComplexCppBase)
add_library(CudaComplexSeperableLib STATIC file1.cu file2.cu file3.cu)
add_library(CudaComplexMixedLib SHARED mixed.cpp mixed.cu)
target_link_libraries(CudaComplexMixedLib
PUBLIC CudaComplexSharedLib
PRIVATE CudaComplexSeperableLib)
add_executable(CudaComplex main.cpp)
target_link_libraries(CudaComplex PUBLIC CudaComplexMixedLib)
set_target_properties(CudaComplexMixedLib
CudaComplexSeperableLib
PROPERTIES
POSITION_INDEPENDENT_CODE ON
CUDA_SEPARABLE_COMPILATION ON
)
set_target_properties(CudaComplexMixedLib
CudaComplexSharedLib
PROPERTIES
CUDA_RUNTIME_LIBRARY shared
)
if(APPLE)
# Help the static cuda runtime find the driver (libcuda.dyllib) at runtime.
set_property(TARGET CudaComplex PROPERTY BUILD_RPATH ${CMAKE_CUDA_IMPLICIT_LINK_DIRECTORIES})
endif()
if(UNIX)
# Help the shared cuda runtime find libcudart as it is not located
# in a default system searched location
set_property(TARGET CudaComplexMixedLib PROPERTY BUILD_RPATH ${CMAKE_CUDA_IMPLICIT_LINK_DIRECTORIES})
endif()
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