mirror of
https://github.com/Kitware/CMake.git
synced 2026-02-28 11:48:36 -06:00
CUDA: Factor out helper to parse NVCC implicit compiler and linker flags
Prepare to use it for other languages.
This commit is contained in:
Brad King
@@ -423,121 +423,20 @@ elseif(CMAKE_CUDA_COMPILER_ID STREQUAL "Clang")
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unset(_CUDA_TARGET_DIR)
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unset(_CUDA_TARGET_NAME)
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elseif(CMAKE_CUDA_COMPILER_ID STREQUAL "NVIDIA")
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set(_nvcc_log "")
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string(REPLACE "\r" "" _nvcc_output_orig "${CMAKE_CUDA_COMPILER_PRODUCED_OUTPUT}")
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if(_nvcc_output_orig MATCHES "#\\\$ +PATH= *([^\n]*)\n")
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set(_nvcc_path "${CMAKE_MATCH_1}")
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string(APPEND _nvcc_log " found 'PATH=' string: [${_nvcc_path}]\n")
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string(REPLACE ":" ";" _nvcc_path "${_nvcc_path}")
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else()
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set(_nvcc_path "")
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string(REPLACE "\n" "\n " _nvcc_output_log "\n${_nvcc_output_orig}")
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string(APPEND _nvcc_log " no 'PATH=' string found in nvcc output:${_nvcc_output_log}\n")
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endif()
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if(_nvcc_output_orig MATCHES "#\\\$ +LIBRARIES= *([^\n]*)\n")
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set(_nvcc_libraries "${CMAKE_MATCH_1}")
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string(APPEND _nvcc_log " found 'LIBRARIES=' string: [${_nvcc_libraries}]\n")
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else()
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set(_nvcc_libraries "")
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string(REPLACE "\n" "\n " _nvcc_output_log "\n${_nvcc_output_orig}")
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string(APPEND _nvcc_log " no 'LIBRARIES=' string found in nvcc output:${_nvcc_output_log}\n")
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endif()
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include(Internal/CMakeNVCCParseImplicitInfo)
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# Parse CMAKE_CUDA_COMPILER_PRODUCED_OUTPUT to get:
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# - CMAKE_CUDA_ARCHITECTURES_DEFAULT
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# - CMAKE_CUDA_HOST_IMPLICIT_LINK_DIRECTORIES
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# - CMAKE_CUDA_HOST_IMPLICIT_LINK_FRAMEWORK_DIRECTORIES
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# - CMAKE_CUDA_HOST_IMPLICIT_LINK_LIBRARIES
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# - CMAKE_CUDA_HOST_LINK_LAUNCHER
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# - CMAKE_CUDA_RUNTIME_LIBRARY_DEFAULT
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# - CMAKE_CUDA_TOOLKIT_INCLUDE_DIRECTORIES
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# Match arguments with cmake_nvcc_filter_implicit_info call in CMakeTestCUDACompiler.
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cmake_nvcc_parse_implicit_info(CUDA CMAKE_CUDA_)
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set(_nvcc_link_line "")
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if(_nvcc_libraries)
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# Remove variable assignments.
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string(REGEX REPLACE "#\\\$ *[^= ]+=[^\n]*\n" "" _nvcc_output "${_nvcc_output_orig}")
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# Encode [] characters that break list expansion.
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string(REPLACE "[" "{==={" _nvcc_output "${_nvcc_output}")
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string(REPLACE "]" "}===}" _nvcc_output "${_nvcc_output}")
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# Split lines.
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string(REGEX REPLACE "\n+(#\\\$ )?" ";" _nvcc_output "${_nvcc_output}")
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foreach(line IN LISTS _nvcc_output)
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set(_nvcc_output_line "${line}")
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string(REPLACE "{==={" "[" _nvcc_output_line "${_nvcc_output_line}")
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string(REPLACE "}===}" "]" _nvcc_output_line "${_nvcc_output_line}")
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string(APPEND _nvcc_log " considering line: [${_nvcc_output_line}]\n")
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if("${_nvcc_output_line}" MATCHES "^ *nvlink")
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string(APPEND _nvcc_log " ignoring nvlink line\n")
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elseif(_nvcc_libraries)
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if("${_nvcc_output_line}" MATCHES "(@\"?((tmp/)?a\\.exe\\.res)\"?)")
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set(_nvcc_link_res_arg "${CMAKE_MATCH_1}")
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set(_nvcc_link_res_file "${CMAKE_MATCH_2}")
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set(_nvcc_link_res "${CMAKE_PLATFORM_INFO_DIR}/CompilerIdCUDA/${_nvcc_link_res_file}")
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if(EXISTS "${_nvcc_link_res}")
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file(READ "${_nvcc_link_res}" _nvcc_link_res_content)
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string(REPLACE "${_nvcc_link_res_arg}" "${_nvcc_link_res_content}" _nvcc_output_line "${_nvcc_output_line}")
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endif()
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endif()
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string(FIND "${_nvcc_output_line}" "${_nvcc_libraries}" _nvcc_libraries_pos)
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if(NOT _nvcc_libraries_pos EQUAL -1)
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set(_nvcc_link_line "${_nvcc_output_line}")
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string(APPEND _nvcc_log " extracted link line: [${_nvcc_link_line}]\n")
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endif()
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endif()
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endforeach()
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endif()
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if(_nvcc_link_line)
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if("x${CMAKE_CUDA_SIMULATE_ID}" STREQUAL "xMSVC")
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set(CMAKE_CUDA_HOST_LINK_LAUNCHER "${CMAKE_LINKER}")
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else()
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#extract the compiler that is being used for linking
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separate_arguments(_nvcc_link_line_args UNIX_COMMAND "${_nvcc_link_line}")
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list(GET _nvcc_link_line_args 0 _nvcc_host_link_launcher)
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if(IS_ABSOLUTE "${_nvcc_host_link_launcher}")
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string(APPEND _nvcc_log " extracted link launcher absolute path: [${_nvcc_host_link_launcher}]\n")
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set(CMAKE_CUDA_HOST_LINK_LAUNCHER "${_nvcc_host_link_launcher}")
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else()
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string(APPEND _nvcc_log " extracted link launcher name: [${_nvcc_host_link_launcher}]\n")
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find_program(_nvcc_find_host_link_launcher
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NAMES ${_nvcc_host_link_launcher}
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PATHS ${_nvcc_path} NO_DEFAULT_PATH)
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find_program(_nvcc_find_host_link_launcher
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NAMES ${_nvcc_host_link_launcher})
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if(_nvcc_find_host_link_launcher)
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string(APPEND _nvcc_log " found link launcher absolute path: [${_nvcc_find_host_link_launcher}]\n")
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set(CMAKE_CUDA_HOST_LINK_LAUNCHER "${_nvcc_find_host_link_launcher}")
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else()
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string(APPEND _nvcc_log " could not find link launcher absolute path\n")
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set(CMAKE_CUDA_HOST_LINK_LAUNCHER "${_nvcc_host_link_launcher}")
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endif()
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unset(_nvcc_find_host_link_launcher CACHE)
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endif()
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endif()
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#prefix the line with cuda-fake-ld so that implicit link info believes it is
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#a link line
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set(_nvcc_link_line "cuda-fake-ld ${_nvcc_link_line}")
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CMAKE_PARSE_IMPLICIT_LINK_INFO("${_nvcc_link_line}"
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CMAKE_CUDA_HOST_IMPLICIT_LINK_LIBRARIES
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CMAKE_CUDA_HOST_IMPLICIT_LINK_DIRECTORIES
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CMAKE_CUDA_HOST_IMPLICIT_LINK_FRAMEWORK_DIRECTORIES
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log
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"${CMAKE_CUDA_IMPLICIT_OBJECT_REGEX}"
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LANGUAGE CUDA)
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# Detect CMAKE_CUDA_RUNTIME_LIBRARY_DEFAULT from the compiler by looking at which
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# cudart library exists in the implicit link libraries passed to the host linker.
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# This is required when a project sets the cuda runtime library as part of the
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# initial flags.
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if(";${CMAKE_CUDA_HOST_IMPLICIT_LINK_LIBRARIES};" MATCHES [[;cudart_static(\.lib)?;]])
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set(CMAKE_CUDA_RUNTIME_LIBRARY_DEFAULT "STATIC")
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elseif(";${CMAKE_CUDA_HOST_IMPLICIT_LINK_LIBRARIES};" MATCHES [[;cudart(\.lib)?;]])
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set(CMAKE_CUDA_RUNTIME_LIBRARY_DEFAULT "SHARED")
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else()
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set(CMAKE_CUDA_RUNTIME_LIBRARY_DEFAULT "NONE")
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endif()
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set(_SET_CMAKE_CUDA_RUNTIME_LIBRARY_DEFAULT
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"set(CMAKE_CUDA_RUNTIME_LIBRARY_DEFAULT \"${CMAKE_CUDA_RUNTIME_LIBRARY_DEFAULT}\")")
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message(CONFIGURE_LOG
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"Parsed CUDA nvcc implicit link information:\n${_nvcc_log}\n${log}\n\n")
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else()
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message(CONFIGURE_LOG
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"Failed to parse CUDA nvcc implicit link information:\n${_nvcc_log}\n\n")
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message(FATAL_ERROR "Failed to extract nvcc implicit link line.")
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endif()
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set(_SET_CMAKE_CUDA_RUNTIME_LIBRARY_DEFAULT
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"set(CMAKE_CUDA_RUNTIME_LIBRARY_DEFAULT \"${CMAKE_CUDA_RUNTIME_LIBRARY_DEFAULT}\")")
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endif()
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# CMAKE_CUDA_HOST_IMPLICIT_LINK_LIBRARIES is detected above as the list of
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@@ -566,42 +465,6 @@ else()
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set(_SET_CMAKE_CUDA_COMPILER_SYSROOT "")
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endif()
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# Determine CMAKE_CUDA_TOOLKIT_INCLUDE_DIRECTORIES
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if(CMAKE_CUDA_COMPILER_ID STREQUAL "NVIDIA")
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set(CMAKE_CUDA_TOOLKIT_INCLUDE_DIRECTORIES)
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string(REPLACE "\r" "" _nvcc_output_orig "${CMAKE_CUDA_COMPILER_PRODUCED_OUTPUT}")
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if(_nvcc_output_orig MATCHES "#\\\$ +INCLUDES= *([^\n]*)\n")
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set(_nvcc_includes "${CMAKE_MATCH_1}")
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string(APPEND _nvcc_log " found 'INCLUDES=' string: [${_nvcc_includes}]\n")
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else()
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set(_nvcc_includes "")
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string(REPLACE "\n" "\n " _nvcc_output_log "\n${_nvcc_output_orig}")
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string(APPEND _nvcc_log " no 'INCLUDES=' string found in nvcc output:${_nvcc_output_log}\n")
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endif()
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if(_nvcc_includes)
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# across all operating system each include directory is prefixed with -I
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separate_arguments(_nvcc_output NATIVE_COMMAND "${_nvcc_includes}")
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foreach(line IN LISTS _nvcc_output)
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string(REGEX REPLACE "^-I" "" line "${line}")
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get_filename_component(line "${line}" ABSOLUTE)
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list(APPEND CMAKE_CUDA_TOOLKIT_INCLUDE_DIRECTORIES "${line}")
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endforeach()
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message(CONFIGURE_LOG
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"Parsed CUDA nvcc include information:\n${_nvcc_log}\n${log}\n\n")
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else()
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message(CONFIGURE_LOG
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"Failed to detect CUDA nvcc include information:\n${_nvcc_log}\n\n")
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endif()
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string(REGEX MATCHALL "-arch compute_([0-9]+)" _nvcc_target_cpus "${CMAKE_CUDA_COMPILER_PRODUCED_OUTPUT}")
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foreach(_nvcc_target_cpu ${_nvcc_target_cpus})
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if(_nvcc_target_cpu MATCHES "-arch compute_([0-9]+)")
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list(APPEND CMAKE_CUDA_ARCHITECTURES_DEFAULT "${CMAKE_MATCH_1}")
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endif()
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endforeach()
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endif()
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# If the user did not set CMAKE_CUDA_ARCHITECTURES, use the compiler's default.
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if("${CMAKE_CUDA_ARCHITECTURES}" STREQUAL "")
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cmake_policy(GET CMP0104 _CUDA_CMP0104)
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@@ -119,17 +119,9 @@ endif()
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list(REMOVE_ITEM CMAKE_CUDA_IMPLICIT_LINK_LIBRARIES ${CMAKE_CUDA_IMPLICIT_LINK_LIBRARIES_EXCLUDE})
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if(CMAKE_CUDA_COMPILER_ID STREQUAL "NVIDIA")
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# Remove the CUDA Toolkit include directories from the set of
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# implicit system include directories.
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# This resolves the issue that NVCC doesn't specify these
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# includes as SYSTEM includes when compiling device code, and sometimes
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# they contain headers that generate warnings, so let users mark them
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# as SYSTEM explicitly
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if(CMAKE_CUDA_TOOLKIT_INCLUDE_DIRECTORIES)
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list(REMOVE_ITEM CMAKE_CUDA_IMPLICIT_INCLUDE_DIRECTORIES
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${CMAKE_CUDA_TOOLKIT_INCLUDE_DIRECTORIES}
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)
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endif()
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include(Internal/CMakeNVCCFilterImplicitInfo)
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# Match arguments with cmake_nvcc_parse_implicit_info call in CMakeDetermineCUDACompiler.
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cmake_nvcc_filter_implicit_info(CUDA CMAKE_CUDA_)
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endif()
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# Re-configure to save learned information.
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16
Modules/Internal/CMakeNVCCFilterImplicitInfo.cmake
Normal file
16
Modules/Internal/CMakeNVCCFilterImplicitInfo.cmake
Normal file
@@ -0,0 +1,16 @@
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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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macro(cmake_nvcc_filter_implicit_info lang lang_var_)
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# Remove the CUDA Toolkit include directories from the set of
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# implicit system include directories.
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# This resolves the issue that NVCC doesn't specify these
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# includes as SYSTEM includes when compiling device code, and sometimes
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# they contain headers that generate warnings, so let users mark them
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# as SYSTEM explicitly
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if(${lang_var_}TOOLKIT_INCLUDE_DIRECTORIES)
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list(REMOVE_ITEM CMAKE_${lang}_IMPLICIT_INCLUDE_DIRECTORIES
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${${lang_var_}TOOLKIT_INCLUDE_DIRECTORIES}
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)
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endif()
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endmacro()
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149
Modules/Internal/CMakeNVCCParseImplicitInfo.cmake
Normal file
149
Modules/Internal/CMakeNVCCParseImplicitInfo.cmake
Normal file
@@ -0,0 +1,149 @@
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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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macro(cmake_nvcc_parse_implicit_info lang lang_var_)
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set(_nvcc_log "")
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string(REPLACE "\r" "" _nvcc_output_orig "${CMAKE_${lang}_COMPILER_PRODUCED_OUTPUT}")
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if(_nvcc_output_orig MATCHES "#\\\$ +PATH= *([^\n]*)\n")
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set(_nvcc_path "${CMAKE_MATCH_1}")
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string(APPEND _nvcc_log " found 'PATH=' string: [${_nvcc_path}]\n")
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string(REPLACE ":" ";" _nvcc_path "${_nvcc_path}")
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else()
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set(_nvcc_path "")
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string(REPLACE "\n" "\n " _nvcc_output_log "\n${_nvcc_output_orig}")
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string(APPEND _nvcc_log " no 'PATH=' string found in nvcc output:${_nvcc_output_log}\n")
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endif()
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if(_nvcc_output_orig MATCHES "#\\\$ +LIBRARIES= *([^\n]*)\n")
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set(_nvcc_libraries "${CMAKE_MATCH_1}")
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string(APPEND _nvcc_log " found 'LIBRARIES=' string: [${_nvcc_libraries}]\n")
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else()
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set(_nvcc_libraries "")
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string(REPLACE "\n" "\n " _nvcc_output_log "\n${_nvcc_output_orig}")
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string(APPEND _nvcc_log " no 'LIBRARIES=' string found in nvcc output:${_nvcc_output_log}\n")
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endif()
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if(_nvcc_output_orig MATCHES "#\\\$ +INCLUDES= *([^\n]*)\n")
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set(_nvcc_includes "${CMAKE_MATCH_1}")
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string(APPEND _nvcc_log " found 'INCLUDES=' string: [${_nvcc_includes}]\n")
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else()
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set(_nvcc_includes "")
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string(REPLACE "\n" "\n " _nvcc_output_log "\n${_nvcc_output_orig}")
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string(APPEND _nvcc_log " no 'INCLUDES=' string found in nvcc output:${_nvcc_output_log}\n")
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endif()
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string(REGEX MATCHALL "-arch compute_([0-9]+)" _nvcc_target_cpus "${_nvcc_output_orig}")
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foreach(_nvcc_target_cpu ${_nvcc_target_cpus})
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if(_nvcc_target_cpu MATCHES "-arch compute_([0-9]+)")
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list(APPEND CMAKE_${lang}_ARCHITECTURES_DEFAULT "${CMAKE_MATCH_1}")
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endif()
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endforeach()
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set(_nvcc_link_line "")
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if(_nvcc_libraries)
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# Remove variable assignments.
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string(REGEX REPLACE "#\\\$ *[^= ]+=[^\n]*\n" "" _nvcc_output "${_nvcc_output_orig}")
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# Encode [] characters that break list expansion.
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string(REPLACE "[" "{==={" _nvcc_output "${_nvcc_output}")
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string(REPLACE "]" "}===}" _nvcc_output "${_nvcc_output}")
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# Split lines.
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string(REGEX REPLACE "\n+(#\\\$ )?" ";" _nvcc_output "${_nvcc_output}")
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foreach(line IN LISTS _nvcc_output)
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set(_nvcc_output_line "${line}")
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string(REPLACE "{==={" "[" _nvcc_output_line "${_nvcc_output_line}")
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string(REPLACE "}===}" "]" _nvcc_output_line "${_nvcc_output_line}")
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string(APPEND _nvcc_log " considering line: [${_nvcc_output_line}]\n")
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if("${_nvcc_output_line}" MATCHES "^ *nvlink")
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string(APPEND _nvcc_log " ignoring nvlink line\n")
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elseif(_nvcc_libraries)
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if("${_nvcc_output_line}" MATCHES "(@\"?((tmp/)?a\\.exe\\.res)\"?)")
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set(_nvcc_link_res_arg "${CMAKE_MATCH_1}")
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set(_nvcc_link_res_file "${CMAKE_MATCH_2}")
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set(_nvcc_link_res "${CMAKE_PLATFORM_INFO_DIR}/CompilerId${lang}/${_nvcc_link_res_file}")
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if(EXISTS "${_nvcc_link_res}")
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file(READ "${_nvcc_link_res}" _nvcc_link_res_content)
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string(REPLACE "${_nvcc_link_res_arg}" "${_nvcc_link_res_content}" _nvcc_output_line "${_nvcc_output_line}")
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endif()
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endif()
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string(FIND "${_nvcc_output_line}" "${_nvcc_libraries}" _nvcc_libraries_pos)
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if(NOT _nvcc_libraries_pos EQUAL -1)
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set(_nvcc_link_line "${_nvcc_output_line}")
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string(APPEND _nvcc_log " extracted link line: [${_nvcc_link_line}]\n")
|
||||
endif()
|
||||
endif()
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||||
endforeach()
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||||
endif()
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if(_nvcc_link_line)
|
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if("x${CMAKE_${lang}_SIMULATE_ID}" STREQUAL "xMSVC")
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set(CMAKE_${lang}_HOST_LINK_LAUNCHER "${CMAKE_LINKER}")
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else()
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#extract the compiler that is being used for linking
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separate_arguments(_nvcc_link_line_args UNIX_COMMAND "${_nvcc_link_line}")
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list(GET _nvcc_link_line_args 0 _nvcc_host_link_launcher)
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if(IS_ABSOLUTE "${_nvcc_host_link_launcher}")
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string(APPEND _nvcc_log " extracted link launcher absolute path: [${_nvcc_host_link_launcher}]\n")
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set(CMAKE_${lang}_HOST_LINK_LAUNCHER "${_nvcc_host_link_launcher}")
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else()
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string(APPEND _nvcc_log " extracted link launcher name: [${_nvcc_host_link_launcher}]\n")
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find_program(_nvcc_find_host_link_launcher
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NAMES ${_nvcc_host_link_launcher}
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PATHS ${_nvcc_path} NO_DEFAULT_PATH)
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find_program(_nvcc_find_host_link_launcher
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NAMES ${_nvcc_host_link_launcher})
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if(_nvcc_find_host_link_launcher)
|
||||
string(APPEND _nvcc_log " found link launcher absolute path: [${_nvcc_find_host_link_launcher}]\n")
|
||||
set(CMAKE_${lang}_HOST_LINK_LAUNCHER "${_nvcc_find_host_link_launcher}")
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else()
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string(APPEND _nvcc_log " could not find link launcher absolute path\n")
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||||
set(CMAKE_${lang}_HOST_LINK_LAUNCHER "${_nvcc_host_link_launcher}")
|
||||
endif()
|
||||
unset(_nvcc_find_host_link_launcher CACHE)
|
||||
endif()
|
||||
endif()
|
||||
|
||||
#prefix the line with cuda-fake-ld so that implicit link info believes it is
|
||||
#a link line
|
||||
set(_nvcc_link_line "cuda-fake-ld ${_nvcc_link_line}")
|
||||
CMAKE_PARSE_IMPLICIT_LINK_INFO("${_nvcc_link_line}"
|
||||
CMAKE_${lang}_HOST_IMPLICIT_LINK_LIBRARIES
|
||||
CMAKE_${lang}_HOST_IMPLICIT_LINK_DIRECTORIES
|
||||
CMAKE_${lang}_HOST_IMPLICIT_LINK_FRAMEWORK_DIRECTORIES
|
||||
log
|
||||
"${CMAKE_${lang}_IMPLICIT_OBJECT_REGEX}"
|
||||
LANGUAGE ${lang})
|
||||
|
||||
# Detect CMAKE_${lang}_RUNTIME_LIBRARY_DEFAULT from the compiler by looking at which
|
||||
# cudart library exists in the implicit link libraries passed to the host linker.
|
||||
# This is required when a project sets the cuda runtime library as part of the
|
||||
# initial flags.
|
||||
if(";${CMAKE_${lang}_HOST_IMPLICIT_LINK_LIBRARIES};" MATCHES [[;cudart_static(\.lib)?;]])
|
||||
set(CMAKE_${lang}_RUNTIME_LIBRARY_DEFAULT "STATIC")
|
||||
elseif(";${CMAKE_${lang}_HOST_IMPLICIT_LINK_LIBRARIES};" MATCHES [[;cudart(\.lib)?;]])
|
||||
set(CMAKE_${lang}_RUNTIME_LIBRARY_DEFAULT "SHARED")
|
||||
else()
|
||||
set(CMAKE_${lang}_RUNTIME_LIBRARY_DEFAULT "NONE")
|
||||
endif()
|
||||
|
||||
message(CONFIGURE_LOG
|
||||
"Parsed ${lang} nvcc implicit link information:\n${_nvcc_log}\n${log}\n\n")
|
||||
else()
|
||||
message(CONFIGURE_LOG
|
||||
"Failed to parse ${lang} nvcc implicit link information:\n${_nvcc_log}\n\n")
|
||||
message(FATAL_ERROR "Failed to extract nvcc implicit link line.")
|
||||
endif()
|
||||
|
||||
set(${lang_var_}TOOLKIT_INCLUDE_DIRECTORIES)
|
||||
if(_nvcc_includes)
|
||||
# across all operating system each include directory is prefixed with -I
|
||||
separate_arguments(_nvcc_output NATIVE_COMMAND "${_nvcc_includes}")
|
||||
foreach(line IN LISTS _nvcc_output)
|
||||
string(REGEX REPLACE "^-I" "" line "${line}")
|
||||
get_filename_component(line "${line}" ABSOLUTE)
|
||||
list(APPEND ${lang_var_}TOOLKIT_INCLUDE_DIRECTORIES "${line}")
|
||||
endforeach()
|
||||
|
||||
message(CONFIGURE_LOG
|
||||
"Parsed CUDA nvcc include information:\n${_nvcc_log}\n${log}\n\n")
|
||||
else()
|
||||
message(CONFIGURE_LOG
|
||||
"Failed to detect CUDA nvcc include information:\n${_nvcc_log}\n\n")
|
||||
endif()
|
||||
endmacro()
|
||||
Reference in New Issue
Block a user