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78 lines
3.1 KiB
CMake
78 lines
3.1 KiB
CMake
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# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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# file Copyright.txt or https://cmake.org/licensing for details.
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if(CMAKE_CUDA_COMPILER_FORCED)
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# The compiler configuration was forced by the user.
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# Assume the user has configured all compiler information.
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set(CMAKE_CUDA_COMPILER_WORKS TRUE)
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return()
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endif()
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include(CMakeTestCompilerCommon)
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# Remove any cached result from an older CMake version.
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# We now store this in CMakeCUDACompiler.cmake.
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unset(CMAKE_CUDA_COMPILER_WORKS CACHE)
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# This file is used by EnableLanguage in cmGlobalGenerator to
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# determine that the selected cuda compiler can actually compile
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# and link the most basic of programs. If not, a fatal error
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# is set and cmake stops processing commands and will not generate
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# any makefiles or projects.
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if(NOT CMAKE_CUDA_COMPILER_WORKS)
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PrintTestCompilerStatus("CUDA" "")
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file(WRITE ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/main.cu
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"#ifndef __CUDACC__\n"
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"# error \"The CMAKE_CUDA_COMPILER is set to an invalid CUDA compiler\"\n"
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"#endif\n"
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"int main(){return 0;}\n")
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try_compile(CMAKE_CUDA_COMPILER_WORKS ${CMAKE_BINARY_DIR}
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${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/main.cu
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OUTPUT_VARIABLE __CMAKE_CUDA_COMPILER_OUTPUT)
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# Move result from cache to normal variable.
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set(CMAKE_CUDA_COMPILER_WORKS ${CMAKE_CUDA_COMPILER_WORKS})
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unset(CMAKE_CUDA_COMPILER_WORKS CACHE)
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set(CUDA_TEST_WAS_RUN 1)
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endif()
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if(NOT CMAKE_CUDA_COMPILER_WORKS)
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PrintTestCompilerStatus("CUDA" " -- broken")
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file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
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"Determining if the CUDA compiler works failed with "
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"the following output:\n${__CMAKE_CUDA_COMPILER_OUTPUT}\n\n")
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string(REPLACE "\n" "\n " _output "${__CMAKE_CUDA_COMPILER_OUTPUT}")
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message(FATAL_ERROR "The CUDA compiler\n \"${CMAKE_CUDA_COMPILER}\"\n"
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"is not able to compile a simple test program.\nIt fails "
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"with the following output:\n ${_output}\n\n"
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"CMake will not be able to correctly generate this project.")
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else()
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if(CUDA_TEST_WAS_RUN)
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PrintTestCompilerStatus("CUDA" " -- works")
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file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
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"Determining if the CUDA compiler works passed with "
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"the following output:\n${__CMAKE_CUDA_COMPILER_OUTPUT}\n\n")
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endif()
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# Try to identify the ABI and configure it into CMakeCUDACompiler.cmake
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include(${CMAKE_ROOT}/Modules/CMakeDetermineCompilerABI.cmake)
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CMAKE_DETERMINE_COMPILER_ABI(CUDA ${CMAKE_ROOT}/Modules/CMakeCUDACompilerABI.cu)
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if("x${CMAKE_CUDA_SIMULATE_ID}" STREQUAL "xMSVC")
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set(CMAKE_CUDA_IMPLICIT_LINK_LIBRARIES "${CMAKE_CUDA_HOST_IMPLICIT_LINK_LIBRARIES}")
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set(CMAKE_CUDA_IMPLICIT_LINK_DIRECTORIES "${CMAKE_CUDA_HOST_IMPLICIT_LINK_DIRECTORIES}")
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endif()
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# Re-configure to save learned information.
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configure_file(
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${CMAKE_ROOT}/Modules/CMakeCUDACompiler.cmake.in
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${CMAKE_PLATFORM_INFO_DIR}/CMakeCUDACompiler.cmake
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@ONLY
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)
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include(${CMAKE_PLATFORM_INFO_DIR}/CMakeCUDACompiler.cmake)
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endif()
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unset(__CMAKE_CUDA_COMPILER_OUTPUT)
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