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cf3c8a216b
This warning warns about variable-length arrays being a non-standard extension to the C++ language. We still have a few instances of VLAs, so let's disable the warning for now. This does not interfere with `-Wvla`, which we use to completely forbid this (potentially dangerous) feature in the Kernel and LibCrypto.
41 lines
1.5 KiB
CMake
41 lines
1.5 KiB
CMake
# Flags shared by Lagom (including Ladybird) and Serenity.
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set(CMAKE_CXX_STANDARD 20)
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set(CMAKE_CXX_STANDARD_REQUIRED ON)
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set(CMAKE_CXX_EXTENSIONS OFF)
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add_compile_options(-Wall)
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add_compile_options(-Wextra)
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add_compile_options(-Wno-unknown-warning-option)
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add_compile_options(-Wno-unused-command-line-argument)
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add_compile_options(-fdiagnostics-color=always)
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add_compile_options(-fno-exceptions)
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if (NOT CMAKE_HOST_SYSTEM_NAME MATCHES SerenityOS)
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# FIXME: Something makes this go crazy and flag unused variables that aren't flagged as such when building with the toolchain.
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# Disable -Werror for now.
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add_compile_options(-Werror)
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endif()
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if (CMAKE_CXX_COMPILER_ID MATCHES "Clang$")
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# Clang's default constexpr-steps limit is 1048576(2^20), GCC doesn't have one
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add_compile_options(-fconstexpr-steps=16777216)
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add_compile_options(-Wno-implicit-const-int-float-conversion)
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add_compile_options(-Wno-user-defined-literals)
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add_compile_options(-Wno-vla-cxx-extension)
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elseif (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
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# Only ignore expansion-to-defined for g++, clang's implementation doesn't complain about function-like macros
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add_compile_options(-Wno-expansion-to-defined)
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add_compile_options(-Wno-literal-suffix)
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# FIXME: This warning seems useful but has too many false positives with GCC 13.
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add_compile_options(-Wno-dangling-reference)
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endif()
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if (UNIX AND NOT APPLE AND NOT ENABLE_FUZZERS)
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add_compile_options(-fno-semantic-interposition)
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add_compile_options(-fvisibility-inlines-hidden)
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endif()
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