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146 lines
4.9 KiB
146 lines
4.9 KiB
3 years ago
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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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include_guard(GLOBAL)
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cmake_policy(PUSH)
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cmake_policy(SET CMP0054 NEW) # if() quoted variables not dereferenced
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cmake_policy(SET CMP0057 NEW) # if() supports IN_LIST
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function(CMAKE_CHECK_SOURCE_RUNS _lang _source _var)
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if(NOT DEFINED "${_var}")
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if(_lang STREQUAL "C")
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set(_lang_textual "C")
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set(_lang_ext "c")
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elseif(_lang STREQUAL "CXX")
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set(_lang_textual "C++")
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set(_lang_ext "cxx")
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elseif(_lang STREQUAL "CUDA")
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set(_lang_textual "CUDA")
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set(_lang_ext "cu")
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elseif(_lang STREQUAL "Fortran")
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set(_lang_textual "Fortran")
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set(_lang_ext "F90")
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elseif(_lang STREQUAL "HIP")
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set(_lang_textual "HIP")
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set(_lang_ext "hip")
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elseif(_lang STREQUAL "OBJC")
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set(_lang_textual "Objective-C")
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set(_lang_ext "m")
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elseif(_lang STREQUAL "OBJCXX")
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set(_lang_textual "Objective-C++")
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set(_lang_ext "mm")
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else()
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message (SEND_ERROR "check_source_runs: ${_lang}: unknown language.")
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return()
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endif()
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get_property (_supported_languages GLOBAL PROPERTY ENABLED_LANGUAGES)
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if (NOT _lang IN_LIST _supported_languages)
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message (SEND_ERROR "check_source_runs: ${_lang}: needs to be enabled before use.")
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return()
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endif()
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set(_FAIL_REGEX)
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set(_SRC_EXT)
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set(_key)
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foreach(arg ${ARGN})
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if("${arg}" MATCHES "^(FAIL_REGEX|SRC_EXT)$")
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set(_key "${arg}")
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elseif(_key STREQUAL "FAIL_REGEX")
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list(APPEND _FAIL_REGEX "${arg}")
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elseif(_key STREQUAL "SRC_EXT")
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set(_SRC_EXT "${arg}")
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set(_key "")
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else()
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set(message_type FATAL_ERROR)
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if (_CheckSourceRuns_old_signature)
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set(message_type AUTHOR_WARNING)
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endif ()
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message("${message_type}" "Unknown argument:\n ${arg}\n")
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unset(message_type)
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endif()
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endforeach()
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if(NOT _SRC_EXT)
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set(_SRC_EXT ${_lang_ext})
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endif()
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if(CMAKE_REQUIRED_LINK_OPTIONS)
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set(CHECK_${_lang}_SOURCE_COMPILES_ADD_LINK_OPTIONS
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LINK_OPTIONS ${CMAKE_REQUIRED_LINK_OPTIONS})
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else()
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set(CHECK_${_lang}_SOURCE_COMPILES_ADD_LINK_OPTIONS)
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endif()
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if(CMAKE_REQUIRED_LIBRARIES)
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set(CHECK_${_lang}_SOURCE_COMPILES_ADD_LIBRARIES
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LINK_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES})
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else()
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set(CHECK_${_lang}_SOURCE_COMPILES_ADD_LIBRARIES)
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endif()
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if(CMAKE_REQUIRED_INCLUDES)
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set(CHECK_${_lang}_SOURCE_COMPILES_ADD_INCLUDES
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"-DINCLUDE_DIRECTORIES:STRING=${CMAKE_REQUIRED_INCLUDES}")
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else()
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set(CHECK_${_lang}_SOURCE_COMPILES_ADD_INCLUDES)
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endif()
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file(WRITE "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/src.${_SRC_EXT}"
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"${_source}\n")
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if(NOT CMAKE_REQUIRED_QUIET)
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message(CHECK_START "Performing Test ${_var}")
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endif()
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try_run(${_var}_EXITCODE ${_var}_COMPILED
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${CMAKE_BINARY_DIR}
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${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/src.${_SRC_EXT}
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COMPILE_DEFINITIONS -D${_var} ${CMAKE_REQUIRED_DEFINITIONS}
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${CHECK_${_lang}_SOURCE_COMPILES_ADD_LINK_OPTIONS}
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${CHECK_${_lang}_SOURCE_COMPILES_ADD_LIBRARIES}
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CMAKE_FLAGS -DCOMPILE_DEFINITIONS:STRING=${CMAKE_REQUIRED_FLAGS}
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-DCMAKE_SKIP_RPATH:BOOL=${CMAKE_SKIP_RPATH}
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"${CHECK_${_lang}_SOURCE_COMPILES_ADD_INCLUDES}"
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COMPILE_OUTPUT_VARIABLE OUTPUT
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RUN_OUTPUT_VARIABLE RUN_OUTPUT)
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# if it did not compile make the return value fail code of 1
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if(NOT ${_var}_COMPILED)
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set(${_var}_EXITCODE 1)
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set(${_var}_EXITCODE 1 PARENT_SCOPE)
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endif()
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# if the return value was 0 then it worked
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if("${${_var}_EXITCODE}" EQUAL 0)
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set(${_var} 1 CACHE INTERNAL "Test ${_var}")
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if(NOT CMAKE_REQUIRED_QUIET)
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message(CHECK_PASS "Success")
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endif()
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file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
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"Performing ${_lang_textual} SOURCE FILE Test ${_var} succeeded with the following compile output:\n"
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"${OUTPUT}\n"
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"...and run output:\n"
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"${RUN_OUTPUT}\n"
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"Return value: ${${_var}}\n"
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"Source file was:\n${_source}\n")
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else()
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if(CMAKE_CROSSCOMPILING AND "${${_var}_EXITCODE}" MATCHES "FAILED_TO_RUN")
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set(${_var} "${${_var}_EXITCODE}" PARENT_SCOPE)
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else()
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set(${_var} "" CACHE INTERNAL "Test ${_var}")
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endif()
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if(NOT CMAKE_REQUIRED_QUIET)
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message(CHECK_FAIL "Failed")
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endif()
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file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
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"Performing ${_lang_textual} SOURCE FILE Test ${_var} failed with the following compile output:\n"
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"${OUTPUT}\n"
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"...and run output:\n"
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"${RUN_OUTPUT}\n"
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"Return value: ${${_var}_EXITCODE}\n"
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"Source file was:\n${_source}\n")
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endif()
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endif()
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endfunction()
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cmake_policy(POP)
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