mirror of
https://github.com/Detanup01/gbe_fork.git
synced 2024-11-28 13:44:02 +08:00
293 lines
11 KiB
CMake
293 lines
11 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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# This file sets the basic flags for the Objective-C++ language in CMake.
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# It also loads the available platform file for the system-compiler
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# if it exists.
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# It also loads a system - compiler - processor (or target hardware)
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# specific file, which is mainly useful for crosscompiling and embedded systems.
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include(CMakeLanguageInformation)
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# some compilers use different extensions (e.g. sdcc uses .rel)
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# so set the extension here first so it can be overridden by the compiler specific file
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set(CMAKE_OBJCXX_OUTPUT_EXTENSION .o)
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set(_INCLUDED_FILE 0)
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# Load compiler-specific information.
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if(CMAKE_OBJCXX_COMPILER_ID)
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include(Compiler/${CMAKE_OBJCXX_COMPILER_ID}-OBJCXX OPTIONAL)
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endif()
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set(CMAKE_BASE_NAME)
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get_filename_component(CMAKE_BASE_NAME "${CMAKE_OBJCXX_COMPILER}" NAME_WE)
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# since the gnu compiler has several names force g++
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if(CMAKE_COMPILER_IS_GNUOBJCXX)
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set(CMAKE_BASE_NAME g++)
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endif()
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# load a hardware specific file, mostly useful for embedded compilers
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if(CMAKE_SYSTEM_PROCESSOR)
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if(CMAKE_OBJCXX_COMPILER_ID)
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include(Platform/${CMAKE_EFFECTIVE_SYSTEM_NAME}-${CMAKE_OBJCXX_COMPILER_ID}-OBJCXX-${CMAKE_SYSTEM_PROCESSOR} OPTIONAL RESULT_VARIABLE _INCLUDED_FILE)
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endif()
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if (NOT _INCLUDED_FILE)
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include(Platform/${CMAKE_EFFECTIVE_SYSTEM_NAME}-${CMAKE_BASE_NAME}-${CMAKE_SYSTEM_PROCESSOR} OPTIONAL)
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endif ()
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endif()
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# load the system- and compiler specific files
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if(CMAKE_OBJCXX_COMPILER_ID)
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include(Platform/${CMAKE_EFFECTIVE_SYSTEM_NAME}-${CMAKE_OBJCXX_COMPILER_ID}-OBJCXX OPTIONAL RESULT_VARIABLE _INCLUDED_FILE)
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endif()
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if (NOT _INCLUDED_FILE)
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include(Platform/${CMAKE_EFFECTIVE_SYSTEM_NAME}-${CMAKE_BASE_NAME} OPTIONAL
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RESULT_VARIABLE _INCLUDED_FILE)
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endif ()
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# load any compiler-wrapper specific information
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if (CMAKE_OBJCXX_COMPILER_WRAPPER)
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__cmake_include_compiler_wrapper(OBJCXX)
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endif ()
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# We specify the compiler information in the system file for some
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# platforms, but this language may not have been enabled when the file
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# was first included. Include it again to get the language info.
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# Remove this when all compiler info is removed from system files.
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if (NOT _INCLUDED_FILE)
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include(Platform/${CMAKE_SYSTEM_NAME} OPTIONAL)
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endif ()
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if(CMAKE_OBJCXX_SIZEOF_DATA_PTR)
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foreach(f ${CMAKE_OBJCXX_ABI_FILES})
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include(${f})
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endforeach()
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unset(CMAKE_OBJCXX_ABI_FILES)
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endif()
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# This should be included before the _INIT variables are
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# used to initialize the cache. Since the rule variables
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# have if blocks on them, users can still define them here.
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# But, it should still be after the platform file so changes can
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# be made to those values.
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if(CMAKE_USER_MAKE_RULES_OVERRIDE)
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# Save the full path of the file so try_compile can use it.
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include(${CMAKE_USER_MAKE_RULES_OVERRIDE} RESULT_VARIABLE _override)
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set(CMAKE_USER_MAKE_RULES_OVERRIDE "${_override}")
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endif()
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if(CMAKE_USER_MAKE_RULES_OVERRIDE_OBJCXX)
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# Save the full path of the file so try_compile can use it.
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include(${CMAKE_USER_MAKE_RULES_OVERRIDE_OBJCXX} RESULT_VARIABLE _override)
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set(CMAKE_USER_MAKE_RULES_OVERRIDE_OBJCXX "${_override}")
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endif()
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# Create a set of shared library variable specific to Objective-C++
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# For 90% of the systems, these are the same flags as the Objective-C versions
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# so if these are not set just copy the flags from the Objective-C version
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if(NOT CMAKE_SHARED_LIBRARY_CREATE_OBJCXX_FLAGS)
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set(CMAKE_SHARED_LIBRARY_CREATE_OBJCXX_FLAGS ${CMAKE_SHARED_LIBRARY_CREATE_OBJC_FLAGS})
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endif()
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if(NOT CMAKE_OBJCXX_COMPILE_OPTIONS_PIC)
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set(CMAKE_OBJCXX_COMPILE_OPTIONS_PIC ${CMAKE_OBJC_COMPILE_OPTIONS_PIC})
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endif()
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if(NOT CMAKE_OBJCXX_COMPILE_OPTIONS_PIE)
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set(CMAKE_OBJCXX_COMPILE_OPTIONS_PIE ${CMAKE_OBJC_COMPILE_OPTIONS_PIE})
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endif()
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if(NOT CMAKE_OBJCXX_LINK_OPTIONS_PIE)
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set(CMAKE_OBJCXX_LINK_OPTIONS_PIE ${CMAKE_OBJC_LINK_OPTIONS_PIE})
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endif()
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if(NOT CMAKE_OBJCXX_LINK_OPTIONS_NO_PIE)
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set(CMAKE_OBJCXX_LINK_OPTIONS_NO_PIE ${CMAKE_OBJC_LINK_OPTIONS_NO_PIE})
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endif()
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if(NOT CMAKE_OBJCXX_COMPILE_OPTIONS_DLL)
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set(CMAKE_OBJCXX_COMPILE_OPTIONS_DLL ${CMAKE_OBJC_COMPILE_OPTIONS_DLL})
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endif()
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if(NOT CMAKE_SHARED_LIBRARY_OBJCXX_FLAGS)
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set(CMAKE_SHARED_LIBRARY_OBJCXX_FLAGS ${CMAKE_SHARED_LIBRARY_OBJC_FLAGS})
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endif()
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if(NOT DEFINED CMAKE_SHARED_LIBRARY_LINK_OBJCXX_FLAGS)
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set(CMAKE_SHARED_LIBRARY_LINK_OBJCXX_FLAGS ${CMAKE_SHARED_LIBRARY_LINK_OBJC_FLAGS})
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endif()
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if(NOT CMAKE_SHARED_LIBRARY_RUNTIME_OBJCXX_FLAG)
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set(CMAKE_SHARED_LIBRARY_RUNTIME_OBJCXX_FLAG ${CMAKE_SHARED_LIBRARY_RUNTIME_OBJC_FLAG})
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endif()
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if(NOT CMAKE_SHARED_LIBRARY_RUNTIME_OBJCXX_FLAG_SEP)
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set(CMAKE_SHARED_LIBRARY_RUNTIME_OBJCXX_FLAG_SEP ${CMAKE_SHARED_LIBRARY_RUNTIME_OBJC_FLAG_SEP})
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endif()
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if(NOT CMAKE_SHARED_LIBRARY_RPATH_LINK_OBJCXX_FLAG)
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set(CMAKE_SHARED_LIBRARY_RPATH_LINK_OBJCXX_FLAG ${CMAKE_SHARED_LIBRARY_RPATH_LINK_OBJC_FLAG})
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endif()
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if(NOT DEFINED CMAKE_EXE_EXPORTS_OBJCXX_FLAG)
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set(CMAKE_EXE_EXPORTS_OBJCXX_FLAG ${CMAKE_EXE_EXPORTS_OBJC_FLAG})
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endif()
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if(NOT DEFINED CMAKE_SHARED_LIBRARY_SONAME_OBJCXX_FLAG)
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set(CMAKE_SHARED_LIBRARY_SONAME_OBJCXX_FLAG ${CMAKE_SHARED_LIBRARY_SONAME_OBJC_FLAG})
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endif()
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if(NOT CMAKE_EXECUTABLE_RUNTIME_OBJCXX_FLAG)
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set(CMAKE_EXECUTABLE_RUNTIME_OBJCXX_FLAG ${CMAKE_SHARED_LIBRARY_RUNTIME_OBJCXX_FLAG})
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endif()
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if(NOT CMAKE_EXECUTABLE_RUNTIME_OBJCXX_FLAG_SEP)
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set(CMAKE_EXECUTABLE_RUNTIME_OBJCXX_FLAG_SEP ${CMAKE_SHARED_LIBRARY_RUNTIME_OBJCXX_FLAG_SEP})
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endif()
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if(NOT CMAKE_EXECUTABLE_RPATH_LINK_OBJCXX_FLAG)
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set(CMAKE_EXECUTABLE_RPATH_LINK_OBJCXX_FLAG ${CMAKE_SHARED_LIBRARY_RPATH_LINK_OBJCXX_FLAG})
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endif()
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if(NOT DEFINED CMAKE_SHARED_LIBRARY_LINK_OBJCXX_WITH_RUNTIME_PATH)
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set(CMAKE_SHARED_LIBRARY_LINK_OBJCXX_WITH_RUNTIME_PATH ${CMAKE_SHARED_LIBRARY_LINK_OBJC_WITH_RUNTIME_PATH})
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endif()
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if(NOT CMAKE_INCLUDE_FLAG_OBJCXX)
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set(CMAKE_INCLUDE_FLAG_OBJCXX ${CMAKE_INCLUDE_FLAG_C})
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endif()
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# for most systems a module is the same as a shared library
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# so unless the variable CMAKE_MODULE_EXISTS is set just
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# copy the values from the LIBRARY variables
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if(NOT CMAKE_MODULE_EXISTS)
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set(CMAKE_SHARED_MODULE_OBJCXX_FLAGS ${CMAKE_SHARED_LIBRARY_OBJCXX_FLAGS})
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set(CMAKE_SHARED_MODULE_CREATE_OBJCXX_FLAGS ${CMAKE_SHARED_LIBRARY_CREATE_OBJCXX_FLAGS})
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endif()
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# repeat for modules
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if(NOT CMAKE_SHARED_MODULE_CREATE_OBJCXX_FLAGS)
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set(CMAKE_SHARED_MODULE_CREATE_OBJCXX_FLAGS ${CMAKE_SHARED_MODULE_CREATE_OBJC_FLAGS})
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endif()
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if(NOT CMAKE_SHARED_MODULE_OBJCXX_FLAGS)
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set(CMAKE_SHARED_MODULE_OBJCXX_FLAGS ${CMAKE_SHARED_MODULE_OBJC_FLAGS})
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endif()
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# Initialize OBJCXX link type selection flags from OBJC versions.
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foreach(type SHARED_LIBRARY SHARED_MODULE EXE)
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if(NOT CMAKE_${type}_LINK_STATIC_OBJCXX_FLAGS)
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set(CMAKE_${type}_LINK_STATIC_OBJCXX_FLAGS
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${CMAKE_${type}_LINK_STATIC_OBJC_FLAGS})
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endif()
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if(NOT CMAKE_${type}_LINK_DYNAMIC_OBJCXX_FLAGS)
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set(CMAKE_${type}_LINK_DYNAMIC_OBJCXX_FLAGS
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${CMAKE_${type}_LINK_DYNAMIC_OBJC_FLAGS})
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endif()
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endforeach()
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if(CMAKE_EXECUTABLE_FORMAT STREQUAL "ELF")
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if(NOT DEFINED CMAKE_OBJCXX_LINK_WHAT_YOU_USE_FLAG)
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set(CMAKE_OBJCXX_LINK_WHAT_YOU_USE_FLAG "LINKER:--no-as-needed")
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endif()
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if(NOT DEFINED CMAKE_LINK_WHAT_YOU_USE_CHECK)
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set(CMAKE_LINK_WHAT_YOU_USE_CHECK ldd -u -r)
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endif()
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endif()
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# add the flags to the cache based
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# on the initial values computed in the platform/*.cmake files
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# use _INIT variables so that this only happens the first time
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# and you can set these flags in the cmake cache
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set(CMAKE_OBJCXX_FLAGS_INIT "$ENV{OBJCXXFLAGS} ${CMAKE_OBJCXX_FLAGS_INIT}")
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cmake_initialize_per_config_variable(CMAKE_OBJCXX_FLAGS "Flags used by the Objective-C++ compiler")
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if(CMAKE_OBJCXX_STANDARD_LIBRARIES_INIT)
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set(CMAKE_OBJCXX_STANDARD_LIBRARIES "${CMAKE_OBJCXX_STANDARD_LIBRARIES_INIT}"
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CACHE STRING "Libraries linked by default with all Objective-C++ applications.")
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mark_as_advanced(CMAKE_OBJCXX_STANDARD_LIBRARIES)
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endif()
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if(NOT CMAKE_OBJCXX_COMPILER_LAUNCHER AND DEFINED ENV{CMAKE_OBJCXX_COMPILER_LAUNCHER})
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set(CMAKE_OBJCXX_COMPILER_LAUNCHER "$ENV{CMAKE_OBJCXX_COMPILER_LAUNCHER}"
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CACHE STRING "Compiler launcher for OBJCXX.")
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endif()
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if(NOT CMAKE_OBJCXX_LINKER_LAUNCHER AND DEFINED ENV{CMAKE_OBJCXX_LINKER_LAUNCHER})
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set(CMAKE_OBJCXX_LINKER_LAUNCHER "$ENV{CMAKE_OBJCXX_LINKER_LAUNCHER}"
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CACHE STRING "Linker launcher for OBJCXX.")
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endif()
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include(CMakeCommonLanguageInclude)
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# now define the following rules:
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# CMAKE_OBJCXX_CREATE_SHARED_LIBRARY
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# CMAKE_OBJCXX_CREATE_SHARED_MODULE
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# CMAKE_OBJCXX_COMPILE_OBJECT
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# CMAKE_OBJCXX_LINK_EXECUTABLE
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# variables supplied by the generator at use time
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# <TARGET>
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# <TARGET_BASE> the target without the suffix
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# <OBJECTS>
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# <OBJECT>
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# <LINK_LIBRARIES>
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# <FLAGS>
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# <LINK_FLAGS>
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# Objective-C++ compiler information
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# <CMAKE_OBJCXX_COMPILER>
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# <CMAKE_SHARED_LIBRARY_CREATE_OBJCXX_FLAGS>
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# <CMAKE_OBJCXX_SHARED_MODULE_CREATE_FLAGS>
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# <CMAKE_OBJCXX_LINK_FLAGS>
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# Static library tools
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# <CMAKE_AR>
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# <CMAKE_RANLIB>
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# create a shared Objective-C++ library
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if(NOT CMAKE_OBJCXX_CREATE_SHARED_LIBRARY)
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set(CMAKE_OBJCXX_CREATE_SHARED_LIBRARY
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"<CMAKE_OBJCXX_COMPILER> <CMAKE_SHARED_LIBRARY_OBJCXX_FLAGS> <LANGUAGE_COMPILE_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_OBJCXX_FLAGS> <SONAME_FLAG><TARGET_SONAME> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>")
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endif()
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# create an Objective-C++ shared module copy the shared library rule by default
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if(NOT CMAKE_OBJCXX_CREATE_SHARED_MODULE)
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set(CMAKE_OBJCXX_CREATE_SHARED_MODULE ${CMAKE_OBJCXX_CREATE_SHARED_LIBRARY})
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endif()
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# Create a static archive incrementally for large object file counts.
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# If CMAKE_OBJCXX_CREATE_STATIC_LIBRARY is set it will override these.
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if(NOT DEFINED CMAKE_OBJCXX_ARCHIVE_CREATE)
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set(CMAKE_OBJCXX_ARCHIVE_CREATE "<CMAKE_AR> qc <TARGET> <LINK_FLAGS> <OBJECTS>")
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endif()
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if(NOT DEFINED CMAKE_OBJCXX_ARCHIVE_APPEND)
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set(CMAKE_OBJCXX_ARCHIVE_APPEND "<CMAKE_AR> q <TARGET> <LINK_FLAGS> <OBJECTS>")
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endif()
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if(NOT DEFINED CMAKE_OBJCXX_ARCHIVE_FINISH)
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set(CMAKE_OBJCXX_ARCHIVE_FINISH "<CMAKE_RANLIB> <TARGET>")
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endif()
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# compile an Objective-C++ file into an object file
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if(NOT CMAKE_OBJCXX_COMPILE_OBJECT)
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set(CMAKE_OBJCXX_COMPILE_OBJECT
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"<CMAKE_OBJCXX_COMPILER> <DEFINES> <INCLUDES> -x objective-c++ <FLAGS> -o <OBJECT> -c <SOURCE>")
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endif()
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if(NOT CMAKE_OBJCXX_LINK_EXECUTABLE)
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set(CMAKE_OBJCXX_LINK_EXECUTABLE
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"<CMAKE_OBJCXX_COMPILER> <FLAGS> <CMAKE_OBJCXX_LINK_FLAGS> <LINK_FLAGS> <OBJECTS> -o <TARGET> <LINK_LIBRARIES>")
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endif()
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mark_as_advanced(
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CMAKE_VERBOSE_MAKEFILE
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)
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set(CMAKE_OBJCXX_INFORMATION_LOADED 1)
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