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https://github.com/Kitware/CMake.git
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a90d2a9eed
Using a single ID 'IntelLLVM' for the suite of Intel compilers based on the LLVM backend. The 'IntelLLVM' ID are used for C, C++, and Fortran. Data Parallel C++ will be handled in a separate commit. The C and C++ definitions are based on the Clang definitions. The Intel LLVM-based C and C++ compilers are based on the Clang front end, so existing Clang options are more likely to be a good match than options for the older Intel compilers. Fortran is based on the older Fortran front end with the LLVM backend. It has a similar interface to the older versions, though many options are shared with the C and C++ compilers. Fixes: #21561 Signed-off-by: William R. Dieter <william.r.dieter@intel.com>
56 lines
1.9 KiB
CMake
56 lines
1.9 KiB
CMake
# 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 module is shared by multiple languages; use include blocker.
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if(__LINUX_COMPILER_INTEL_LLVM)
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return()
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endif()
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set(__LINUX_COMPILER_INTEL_LLVM 1)
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if(NOT XIAR)
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set(_intel_xiar_hints)
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foreach(lang C CXX Fortran)
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if(IS_ABSOLUTE "${CMAKE_${lang}_COMPILER}")
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get_filename_component(_hint "${CMAKE_${lang}_COMPILER}" PATH)
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list(APPEND _intel_xiar_hints ${_hint})
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endif()
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endforeach()
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find_program(XIAR NAMES xiar HINTS ${_intel_xiar_hints})
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mark_as_advanced(XIAR)
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endif()
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macro(__linux_compiler_intel_llvm lang)
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set(CMAKE_${lang}_COMPILE_OPTIONS_PIC "-fPIC")
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set(CMAKE_${lang}_COMPILE_OPTIONS_PIE "-fPIE")
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set(_CMAKE_${lang}_PIE_MAY_BE_SUPPORTED_BY_LINKER NO)
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set(_CMAKE_${lang}_PIE_MAY_BE_SUPPORTED_BY_LINKER YES)
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set(CMAKE_${lang}_LINK_OPTIONS_PIE ${CMAKE_${lang}_COMPILE_OPTIONS_PIE} "-pie")
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set(CMAKE_${lang}_LINK_OPTIONS_NO_PIE "-no-pie")
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set(CMAKE_SHARED_LIBRARY_${lang}_FLAGS "-fPIC")
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set(CMAKE_SHARED_LIBRARY_CREATE_${lang}_FLAGS "-shared")
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# We pass this for historical reasons. Projects may have
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# executables that use dlopen but do not set ENABLE_EXPORTS.
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set(CMAKE_SHARED_LIBRARY_LINK_${lang}_FLAGS "-rdynamic")
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set(CMAKE_${lang}_LINKER_WRAPPER_FLAG "-Wl,")
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set(CMAKE_${lang}_LINKER_WRAPPER_FLAG_SEP ",")
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set(_CMAKE_${lang}_IPO_SUPPORTED_BY_CMAKE YES)
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if(XIAR)
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# INTERPROCEDURAL_OPTIMIZATION
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set(CMAKE_${lang}_COMPILE_OPTIONS_IPO -ipo)
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set(CMAKE_${lang}_CREATE_STATIC_LIBRARY_IPO
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"${XIAR} cr <TARGET> <LINK_FLAGS> <OBJECTS> "
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"${XIAR} -s <TARGET> ")
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set(_CMAKE_${lang}_IPO_MAY_BE_SUPPORTED_BY_COMPILER YES)
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set(_CMAKE_${lang}_IPO_LEGACY_BEHAVIOR YES)
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else()
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set(_CMAKE_${lang}_IPO_MAY_BE_SUPPORTED_BY_COMPILER NO)
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endif()
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set(CMAKE_${lang}_COMPILE_OPTIONS_VISIBILITY "-fvisibility=")
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endmacro()
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