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