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c26c6ac488
Extract the effective linker during the computation of implicit artifacts
delivered by the compiler to the linker.
Define various variables describing the linker:
* CMAKE_<LANG>_COMPILER_LINKER
* CMAKE_<LANG>_COMPILER_LINKER_VERSION
* CMAKE_<LANG>_COMPILER_LINKER_ID
* CMAKE_<LANG>_COMPILER_LINKER_FRONTEND_VARIANT
This is complementary to feature introduced by commit 96a953b1ed
(Add options to specify linker tool, 2023-09-27).
Fixes: #17596, #18209, #25344
25 lines
842 B
CMake
25 lines
842 B
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_GNU)
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return()
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endif()
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set(__LINUX_COMPILER_GNU 1)
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macro(__linux_compiler_gnu lang)
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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}_VERBOSE_LINK_FLAG "-Wl,-v")
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# linker selection
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set(CMAKE_${lang}_USING_LINKER_SYSTEM "")
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set(CMAKE_${lang}_USING_LINKER_LLD "-fuse-ld=lld")
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set(CMAKE_${lang}_USING_LINKER_BFD "-fuse-ld=bfd")
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set(CMAKE_${lang}_USING_LINKER_GOLD "-fuse-ld=gold")
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set(CMAKE_${lang}_USING_LINKER_MOLD "-fuse-ld=mold")
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endmacro()
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