mirror of
https://github.com/zebrajr/ladybird.git
synced 2025-12-06 00:19:53 +01:00
181 lines
7.0 KiB
CMake
181 lines
7.0 KiB
CMake
# Flags shared by Lagom (including Ladybird) and Serenity.
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set(CMAKE_CXX_STANDARD 23)
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set(CMAKE_CXX_STANDARD_REQUIRED ON)
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set(CMAKE_CXX_EXTENSIONS OFF)
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set(CMAKE_CXX_SCAN_FOR_MODULES OFF)
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set(CMAKE_COLOR_DIAGNOSTICS ON)
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macro(add_cxx_compile_options)
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set(args "")
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foreach(arg ${ARGN})
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string(APPEND args ${arg}$<SEMICOLON>)
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add_compile_options("SHELL:$<$<COMPILE_LANGUAGE:Swift>:-Xcc ${arg}>")
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endforeach()
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add_compile_options($<$<COMPILE_LANGUAGE:C,CXX,ASM>:${args}>)
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endmacro()
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macro(add_cxx_compile_definitions)
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set(args "")
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foreach(arg ${ARGN})
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string(APPEND args ${arg}$<SEMICOLON>)
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add_compile_options("SHELL:$<$<COMPILE_LANGUAGE:Swift>:-Xcc -D${arg}>")
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endforeach()
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add_compile_definitions($<$<COMPILE_LANGUAGE:C,CXX,ASM>:${args}>)
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endmacro()
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macro(add_cxx_link_options)
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set(args "")
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foreach(arg ${ARGN})
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string(APPEND args ${arg}$<SEMICOLON>)
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endforeach()
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add_link_options($<$<LINK_LANGUAGE:C,CXX>:${args}>)
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endmacro()
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macro(add_swift_compile_options)
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set(args "")
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foreach(arg ${ARGN})
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string(APPEND args ${arg}$<SEMICOLON>)
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endforeach()
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add_compile_options($<$<COMPILE_LANGUAGE:Swift>:${args}>)
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endmacro()
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macro(add_swift_link_options)
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set(args "")
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foreach(arg ${ARGN})
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string(APPEND args ${arg}$<SEMICOLON>)
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endforeach()
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add_link_options($<$<LINK_LANGUAGE:Swift>:${args}>)
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endmacro()
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if (MSVC)
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# On Windows, we always target the same architecture since there is no -march=native equivalent.
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add_cxx_compile_options(/arch:AVX2)
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elseif (ENABLE_CI_BASELINE_CPU)
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# In CI, we want to target a common architecture so different runners can share ccache caches effectively.
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if (APPLE AND CMAKE_SYSTEM_PROCESSOR STREQUAL "arm64")
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add_cxx_compile_options(-mcpu=apple-m1)
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elseif (CMAKE_SYSTEM_PROCESSOR MATCHES "^(aarch64|arm64)$")
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add_cxx_compile_options(-march=armv8.2-a)
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elseif (CMAKE_SYSTEM_PROCESSOR STREQUAL "x86_64")
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add_cxx_compile_options(-march=x86-64-v3)
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endif()
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elseif (CMAKE_SYSTEM_PROCESSOR STREQUAL "riscv64")
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# On RISC-V the generic -march=native is not yet supported and both gcc and clang require an explicit
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# ISA or target string. Unfortunately hardware probing is also neither easy nor reliable at the moment.
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# For the time being use the defaults for the best compatibility with existing hardware and toolchains.
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# FIXME: Remove this branch once -march=native is supported.
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else()
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# In all other cases, compile for the native architecture of the host system.
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add_cxx_compile_options(-march=native)
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endif()
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# FIXME: Rework these flags to remove the suspicious ones.
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if (WIN32)
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add_compile_options(-Wno-reinterpret-base-class)
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add_compile_options(-Wno-microsoft-unqualified-friend) # MSVC doesn't support unqualified friends
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add_compile_definitions(_CRT_SECURE_NO_WARNINGS) # _s replacements not desired (or implemented on any other platform other than VxWorks)
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add_compile_definitions(_CRT_NONSTDC_NO_WARNINGS) # POSIX names are just fine, thanks
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add_compile_definitions(_USE_MATH_DEFINES)
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add_compile_definitions(NOMINMAX)
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add_compile_definitions(WIN32_LEAN_AND_MEAN)
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add_compile_definitions(NAME_MAX=255)
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set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS ON)
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add_compile_options(-Wno-deprecated-declarations)
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add_compile_definitions(_WIN32_WINNT=0x0A00)
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endif()
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if (MSVC)
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add_cxx_compile_options(/W4)
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# disable exceptions
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add_cxx_compile_options(/EHs-)
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# increase stack size reserve to match linux
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add_link_options(/STACK:0x800000)
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# disable floating-point expression contraction
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add_cxx_compile_options(/fp:precise)
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# reduces object size
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add_cxx_compile_options(/Zc:inline)
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# equivalent of -fvisibility-inlines-hidden
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add_cxx_compile_options(/Zc:dllexportInlines-)
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# clang-cl has this off by default unlike other clang versions
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add_cxx_compile_options(-fstrict-aliasing)
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add_cxx_compile_options(/Gw)
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if (CMAKE_BUILD_TYPE STREQUAL "RelWithDebInfo" OR "Debug")
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add_cxx_compile_options(-gcodeview-ghash)
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add_cxx_link_options(/DEBUG:GHASH)
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endif()
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else()
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add_cxx_compile_options(-Wall -Wextra)
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add_cxx_compile_options(-fno-exceptions)
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add_cxx_compile_options(-ffp-contract=off)
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endif()
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add_cxx_compile_options(-Wcast-qual)
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add_cxx_compile_options(-Wformat=2)
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add_cxx_compile_options(-Wimplicit-fallthrough)
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add_cxx_compile_options(-Wlogical-op)
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add_cxx_compile_options(-Wmissing-declarations)
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add_cxx_compile_options(-Wmissing-field-initializers)
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add_cxx_compile_options(-Wsuggest-override)
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add_cxx_compile_options(-Wno-invalid-offsetof)
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add_cxx_compile_options(-Wno-unknown-warning-option)
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add_cxx_compile_options(-Wno-unused-command-line-argument)
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if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang" AND CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL "18")
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add_cxx_compile_options(-Wpadded-bitfield)
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endif()
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add_cxx_compile_options(-Werror)
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if (CMAKE_CXX_COMPILER_ID MATCHES "Clang" AND NOT CMAKE_CXX_SIMULATE_ID MATCHES "MSVC")
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# Clang's default constexpr-steps limit is 1048576(2^20), GCC doesn't have one
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add_cxx_compile_options(-fconstexpr-steps=16777216)
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add_cxx_compile_options(-Wmissing-prototypes)
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add_cxx_compile_options(-Wno-implicit-const-int-float-conversion)
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add_cxx_compile_options(-Wno-user-defined-literals)
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add_cxx_compile_options(-Wno-unqualified-std-cast-call)
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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_cxx_compile_options(-Wno-expansion-to-defined)
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add_cxx_compile_options(-Wno-literal-suffix)
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add_cxx_compile_options(-Wno-unqualified-std-cast-call)
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add_cxx_compile_options(-Wvla)
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# FIXME: These warnings trigger on Function and ByteBuffer in GCC (only when LTO is disabled...)
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# investigate this and maybe reenable them if they're not false positives/invalid.
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add_cxx_compile_options(-Wno-array-bounds)
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add_cxx_compile_options(-Wno-stringop-overflow)
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# FIXME: This warning seems useful but has too many false positives with GCC 13.
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add_cxx_compile_options(-Wno-dangling-reference)
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elseif (CMAKE_CXX_COMPILER_ID MATCHES "Clang$" AND CMAKE_CXX_SIMULATE_ID MATCHES "MSVC")
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add_cxx_compile_options(-Wno-implicit-const-int-float-conversion)
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add_cxx_compile_options(-Wno-reserved-identifier)
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add_cxx_compile_options(-Wno-user-defined-literals)
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add_cxx_compile_options(-Wno-unqualified-std-cast-call)
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add_definitions(-D_CRT_SECURE_NO_WARNINGS)
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# TODO: this seems wrong, but we use this kind of code too much
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# add_cxx_compile_options(-Wno-unsafe-buffer-usage)
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endif()
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if (UNIX AND NOT APPLE AND NOT ENABLE_FUZZERS)
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add_cxx_compile_options(-fno-semantic-interposition)
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add_cxx_compile_options(-fvisibility-inlines-hidden)
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endif()
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if (NOT WIN32)
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add_cxx_compile_options(-fstack-protector-strong)
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add_cxx_link_options(-fstack-protector-strong)
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endif()
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if (NOT MSVC)
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add_cxx_compile_options(-fstrict-flex-arrays=2)
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endif()
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include(${CMAKE_CURRENT_LIST_DIR}/sanitizers.cmake)
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