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[compiler-rt][MSVC][CMake] Wrap Linker flags for ICX (#118496)

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RFC:
https://discourse.llvm.org/t/rfc-cmake-linker-flags-need-wl-equivalent-for-intel-c-icx-on-windows/82446

My previous pass missed some flags because I used
`-Werror=unknown-argument`, but `/D`, `/I` and `/O` are accepted by
clang (even when only linking), but mean different things than intended
for `link.exe`.
This commit is contained in:
Mészáros Gergely 2024-12-04 10:09:29 +01:00 committed by GitHub
parent 2137ded301
commit bba2507c19
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2 changed files with 2 additions and 2 deletions
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2
compiler-rt/CMakeLists.txt
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@ -768,7 +768,7 @@ if (CMAKE_LINKER MATCHES "link.exe$")
# it, but CMake doesn't seem to have a way to set linker flags for
# individual static libraries, so we enable the suppression flag for
# the whole compiler-rt project.
set(CMAKE_STATIC_LINKER_FLAGS "${CMAKE_STATIC_LINKER_FLAGS} /IGNORE:4221")
set(CMAKE_STATIC_LINKER_FLAGS "${CMAKE_STATIC_LINKER_FLAGS} ${CMAKE_CXX_LINKER_WRAPPER_FLAG}/IGNORE:4221")
endif()
add_subdirectory(include)

2
compiler-rt/lib/asan/CMakeLists.txt
View File

@ -141,7 +141,7 @@ append_list_if(COMPILER_RT_HAS_FTLS_MODEL_INITIAL_EXEC
# LLVM turns /OPT:ICF back on when LLVM_ENABLE_PDBs is set
# we _REALLY_ need to turn it back off for ASAN, because the way
# asan emulates weak functions from DLLs requires NOICF
append_list_if(MSVC "/DEBUG;/OPT:NOICF" ASAN_DYNAMIC_LINK_FLAGS)
append_list_if(MSVC "LINKER:/DEBUG;LINKER:/OPT:NOICF" ASAN_DYNAMIC_LINK_FLAGS)
set(ASAN_DYNAMIC_LIBS
${COMPILER_RT_UNWINDER_LINK_LIBS}