mirror of
https://github.com/Detanup01/gbe_fork.git
synced 2024-11-28 13:44:02 +08:00
135 lines
4.3 KiB
CMake
135 lines
4.3 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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include_guard(GLOBAL)
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block(SCOPE_FOR POLICIES)
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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_COMPILES _lang _source _var)
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if(NOT DEFINED "${_var}")
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set(_lang_filename "src")
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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 "ISPC")
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set(_lang_textual "ISPC")
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set(_lang_ext "ispc")
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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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elseif(_lang STREQUAL "Swift")
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set(_lang_textual "Swift")
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set(_lang_ext "swift")
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if (NOT DEFINED CMAKE_TRY_COMPILE_TARGET_TYPE
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OR CMAKE_TRY_COMPILE_TARGET_TYPE STREQUAL "EXECUTABLE")
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set(_lang_filename "main")
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endif()
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else()
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message (SEND_ERROR "check_source_compiles: ${_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_compiles: ${_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|OUTPUT_VARIABLE)$")
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set(_key "${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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elseif(_key STREQUAL "OUTPUT_VARIABLE")
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set(_OUTPUT_VARIABLE "${arg}")
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set(_key "")
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else()
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message(FATAL_ERROR "Unknown argument:\n ${arg}\n")
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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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if(NOT CMAKE_REQUIRED_QUIET)
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message(CHECK_START "Performing Test ${_var}")
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endif()
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string(APPEND _source "\n")
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try_compile(${_var}
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SOURCE_FROM_VAR "${_lang_filename}.${_SRC_EXT}" _source
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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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"${CHECK_${LANG}_SOURCE_COMPILES_ADD_INCLUDES}"
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OUTPUT_VARIABLE OUTPUT)
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foreach(_regex ${_FAIL_REGEX})
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if("${OUTPUT}" MATCHES "${_regex}")
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set(${_var} 0)
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endif()
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endforeach()
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if (_OUTPUT_VARIABLE)
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set(${_OUTPUT_VARIABLE} "${OUTPUT}" PARENT_SCOPE)
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endif()
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if(${_var})
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set(${_var} 1 CACHE INTERNAL "Test ${_var}")
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if(NOT CMAKE_REQUIRED_QUIET)
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message(CHECK_PASS "Success")
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endif()
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else()
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if(NOT CMAKE_REQUIRED_QUIET)
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message(CHECK_FAIL "Failed")
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endif()
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set(${_var} "" CACHE INTERNAL "Test ${_var}")
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endif()
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endif()
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endfunction()
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endblock()
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