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6fd8f9ea51
This flag makes the linker bind default-visibility functions locally, so that calls to them do not have to go through the PLT. This makes it impossible to override them by preloading a DSO. This was already the case partially due to `-fno-semantic-interposition`, however that flag is only able to optimize call sites that are in the same Translation Unit as the function definitions. This removes 80% of the PLT relocations in `libjs.so.serenity`. Obsoletes #20877
27 lines
725 B
CMake
27 lines
725 B
CMake
include(${CMAKE_CURRENT_LIST_DIR}/common_compile_options.cmake)
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add_compile_options(-Wno-maybe-uninitialized)
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add_compile_options(-Wno-shorten-64-to-32)
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add_compile_options(-fsigned-char)
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add_compile_options(-g1)
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add_compile_options(-ggnu-pubnames)
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add_compile_options(-O2)
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if (NOT WIN32)
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add_compile_options(-fPIC)
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endif()
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function(add_linker_flag_if_supported flag)
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include(CheckLinkerFlag)
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check_linker_flag(CXX ${flag} LAGOM_LINKER_SUPPORTS_${flag})
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if (${LAGOM_LINKER_SUPPORTS_${flag}})
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add_link_options(${flag})
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endif()
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endfunction()
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add_linker_flag_if_supported(LINKER:--gdb-index)
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if (NOT ENABLE_FUZZERS)
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add_linker_flag_if_supported(LINKER:-Bsymbolic-non-weak-functions)
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endif()
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