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cmake_minimum_required(VERSION 3.7)
project (CudaComplex 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 bulding 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(CudaComplexSeperableLib STATIC file1.cu file2.cu file3.cu)
set_target_properties(CudaComplexSeperableLib
PROPERTIES CUDA_SEPARABLE_COMPILATION ON)
set_target_properties( CudaComplexSeperableLib
PROPERTIES POSITION_INDEPENDENT_CODE ON)
add_library(CudaComplexSharedLib SHARED dynamic.cu)
target_link_libraries(CudaComplexSharedLib PUBLIC CudaComplexCppBase)
add_library(CudaComplexMixedLib SHARED mixed.cpp mixed.cu)
set_target_properties(CudaComplexMixedLib
PROPERTIES CUDA_SEPARABLE_COMPILATION ON)
target_link_libraries(CudaComplexMixedLib
PUBLIC CudaComplexSharedLib
PRIVATE CudaComplexSeperableLib)
add_executable(CudaComplex main.cpp)
target_link_libraries(CudaComplex PUBLIC CudaComplexMixedLib)
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(CudaComplex PRIVATE -Wl,-rpath,/usr/local/cuda/lib)
endif()
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