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compileroptions.cmake: fixed workaround for Clang >= 14 #4737

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Merged
firewave merged 1 commit into from
Feb 16, 2023
Merged

compileroptions.cmake: fixed workaround for Clang >= 14 #4737

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5 changes: 4 additions & 1 deletion cmake/compileroptions.cmake
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Original file line number Diff line number Diff line change
Expand Up @@ -58,7 +58,10 @@ elseif (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
# TODO: verify this regression still exists in clang-15
if (CMAKE_BUILD_TYPE STREQUAL "Release" OR CMAKE_BUILD_TYPE STREQUAL "RelWithDebInfo")
# work around performance regression - see https://github.com/llvm/llvm-project/issues/53555
add_compile_options_safe(-mllvm -inline-deferral)
check_cxx_compiler_flag("-mllvm -inline-deferral" _has_mllvm_inline_deferral)
if (_has_mllvm_inline_deferral)
add_compile_options(-mllvm -inline-deferral)
endif()
endif()

# use force DWARF 4 debug format since not all tools might be able to handle DWARF 5 yet - e.g. valgrind on ubuntu 20.04
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