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ladybird/CMakeLists.txt
Daniel Bertalan 1f747b9132 CMake: Use CMAKE_POSITION_INDEPENDENT_CODE instead of explicit -fpic 
This makes CMake pass `-fpie` instead of `-fpic` to the compiler when
building the Kernel and userland *executables*. This allows the compiler
to make certain optimizations based on the fact that the code will be
used in an executable, such as not having to emit `.localalias` symbols.
This leads to a 450 KiB decrease in the size of the Kernel binary.
2023-09-18 10:26:42 +02:00

267 lines
9.6 KiB
CMake
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cmake_minimum_required(VERSION 3.25)
list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}/Meta/CMake")
project(SerenityOS C CXX ASM)
if(NOT "${CMAKE_BUILD_TYPE}" STREQUAL "")
message(FATAL_ERROR
": Don't use CMAKE_BUILD_TYPE when building serenity.\n"
"The default build type is optimized with debug info and asserts enabled,\n"
"and that's all there is.")
endif()
if(NOT CMAKE_SYSTEM_NAME STREQUAL "SerenityOS")
message(FATAL_ERROR "System name is not SerenityOS, this is unsupported.\n"
"Please re-read the BuildInstructions documentation, and use the superbuild configuration\n")
endif()
# Check for toolchain mismatch, user might need to rebuild toolchain
set(GCC_VERSION "13.2.0")
set(LLVM_VERSION "16.0.6")
if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
set(EXPECTED_COMPILER_VERSION "${GCC_VERSION}")
else()
set(EXPECTED_COMPILER_VERSION "${LLVM_VERSION}")
endif()
if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_EQUAL "${EXPECTED_COMPILER_VERSION}")
message(FATAL_ERROR "${CMAKE_CXX_COMPILER_ID} version (${CMAKE_CXX_COMPILER_VERSION}) does not match "
"expected compiler version (${EXPECTED_COMPILER_VERSION}).\n"
"Please rebuild the ${CMAKE_CXX_COMPILER_ID} Toolchain\n")
endif()
set(CMAKE_INSTALL_MESSAGE NEVER)
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
if(NOT COMMAND serenity_option)
macro(serenity_option)
set(${ARGV})
endmacro()
endif()
include(serenity_options NO_POLICY_SCOPE)
include(setup_ccache)
if (NOT HACKSTUDIO_BUILD)
include(check_for_dependencies)
# Host tools, required to generate files for the build
find_package(Lagom CONFIG REQUIRED)
if (ENABLE_JAKT)
find_package(Jakt CONFIG REQUIRED
HINTS "${Lagom_DIR}/.."
)
endif()
endif()
# Meta target to run all code-gen steps in the build.
add_custom_target(all_generated)
add_custom_target(run
COMMAND "${CMAKE_COMMAND}" -E env "SERENITY_ARCH=${SERENITY_ARCH}" "${SerenityOS_SOURCE_DIR}/Meta/run.sh"
USES_TERMINAL
)
# This can currently only be implemented by ordered commands
# as cmake doesn't support inter dependency ordering, and we
# would like to avoid inject dependencies on the existing
# custom commands to allow people to run commands adhoc with
# out forcing re-builds when they might not want them.
add_custom_target(setup-and-run
COMMAND ${CMAKE_MAKE_PROGRAM} install
COMMAND ${CMAKE_MAKE_PROGRAM} qemu-image
COMMAND ${CMAKE_MAKE_PROGRAM} run
USES_TERMINAL
)
add_custom_target(qemu-image
COMMAND "${CMAKE_COMMAND}" -E env "SERENITY_SOURCE_DIR=${SerenityOS_SOURCE_DIR}" "SERENITY_ARCH=${SERENITY_ARCH}" "SERENITY_TOOLCHAIN=${CMAKE_CXX_COMPILER_ID}" "LLVM_VERSION=${CMAKE_CXX_COMPILER_VERSION}" "${SerenityOS_SOURCE_DIR}/Meta/build-image-qemu.sh"
BYPRODUCTS "${CMAKE_BINARY_DIR}/_disk_image"
USES_TERMINAL
)
add_custom_target(grub-image
COMMAND "${CMAKE_COMMAND}" -E env "SERENITY_SOURCE_DIR=${SerenityOS_SOURCE_DIR}" "SERENITY_ARCH=${SERENITY_ARCH}" "SERENITY_TOOLCHAIN=${CMAKE_CXX_COMPILER_ID}" "LLVM_VERSION=${CMAKE_CXX_COMPILER_VERSION}" "${SerenityOS_SOURCE_DIR}/Meta/build-image-grub.sh"
BYPRODUCTS ${CMAKE_BINARY_DIR}/grub_disk_image
USES_TERMINAL
)
add_custom_target(limine-image
COMMAND "${CMAKE_COMMAND}" -E env "SERENITY_SOURCE_DIR=${SerenityOS_SOURCE_DIR}" "SERENITY_ARCH=${SERENITY_ARCH}" "SERENITY_TOOLCHAIN=${CMAKE_CXX_COMPILER_ID}" "LLVM_VERSION=${CMAKE_CXX_COMPILER_VERSION}" "${SerenityOS_SOURCE_DIR}/Meta/build-image-limine.sh"
BYPRODUCTS ${CMAKE_BINARY_DIR}/limine_disk_image
USES_TERMINAL
)
add_custom_target(extlinux-image
COMMAND "${CMAKE_COMMAND}" -E env "SERENITY_SOURCE_DIR=${SerenityOS_SOURCE_DIR}" "SERENITY_ARCH=${SERENITY_ARCH}" "SERENITY_TOOLCHAIN=${CMAKE_CXX_COMPILER_ID}" "LLVM_VERSION=${CMAKE_CXX_COMPILER_VERSION}" "${SerenityOS_SOURCE_DIR}/Meta/build-image-extlinux.sh"
BYPRODUCTS "${CMAKE_BINARY_DIR}/extlinux_disk_image"
USES_TERMINAL
)
add_custom_target(install-native-partition
COMMAND "${CMAKE_COMMAND}" -E env "SERENITY_SOURCE_DIR=${SerenityOS_SOURCE_DIR}" "SERENITY_ARCH=${SERENITY_ARCH}" "SERENITY_TOOLCHAIN=${CMAKE_CXX_COMPILER_ID}" "LLVM_VERSION=${CMAKE_CXX_COMPILER_VERSION}" "${SerenityOS_SOURCE_DIR}/Meta/build-native-partition.sh"
USES_TERMINAL
)
add_custom_target(lint-shell-scripts
COMMAND "${SerenityOS_SOURCE_DIR}/Meta/lint-shell-scripts.sh"
USES_TERMINAL
)
add_custom_target(check-style
COMMAND "${SerenityOS_SOURCE_DIR}/Meta/check-style.sh"
USES_TERMINAL
)
add_custom_target(install-ports
COMMAND "${CMAKE_COMMAND}" -E env "SERENITY_SOURCE_DIR=${SerenityOS_SOURCE_DIR}" "SERENITY_ARCH=${SERENITY_ARCH}" "SERENITY_TOOLCHAIN=${CMAKE_CXX_COMPILER_ID}" "${SerenityOS_SOURCE_DIR}/Meta/install-ports-tree.sh"
USES_TERMINAL
)
if (NOT HACKSTUDIO_BUILD)
add_custom_target(configure-components
COMMAND "$<TARGET_FILE:Lagom::ConfigureComponents>"
USES_TERMINAL
)
add_dependencies(configure-components Lagom::ConfigureComponents)
endif()
if (ENABLE_ALL_DEBUG_FACILITIES)
set(ENABLE_ALL_THE_DEBUG_MACROS ON)
set(ENABLE_EXTRA_KERNEL_DEBUG_SYMBOLS ON)
# Immediately finds violations during boot, shouldn't be discoverable
# by people who aren't working on fixing issues. Use this check to make
# sure this code continues to build instead of all_debug_macros to avoid
# people filing bugs.
set(KMALLOC_VERIFY_NO_SPINLOCK_HELD ON)
# Enables KCOV API and injects kernel coverage instrumentation via
# -fsanitize-coverage=trace-pc. Mostly here to ensure that the CI catches
# commits breaking this flag.
set(ENABLE_KERNEL_COVERAGE_COLLECTION ON)
endif()
if (ENABLE_ALL_THE_DEBUG_MACROS)
include(all_the_debug_macros)
endif(ENABLE_ALL_THE_DEBUG_MACROS)
set(CMAKE_STAGING_PREFIX "${CMAKE_BINARY_DIR}/Root")
set(CMAKE_INSTALL_PREFIX "${CMAKE_BINARY_DIR}/Root")
set(CMAKE_INSTALL_DATAROOTDIR res)
set(CMAKE_INSTALL_INCLUDEDIR usr/include)
set(CMAKE_INSTALL_LIBDIR usr/lib)
configure_file(AK/Debug.h.in AK/Debug.h @ONLY)
configure_file(Kernel/Debug.h.in Kernel/Debug.h @ONLY)
install(FILES "${CMAKE_CURRENT_BINARY_DIR}/AK/Debug.h" DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}/AK")
# We disable it completely because it makes cmake very spammy.
# This will need to be revisited when the Loader supports RPATH/RUN_PATH.
set(CMAKE_SKIP_RPATH TRUE)
include(serenity_compile_options)
add_link_options(LINKER:-z,text)
add_link_options(LINKER:--no-allow-shlib-undefined)
add_compile_definitions(SANITIZE_PTRS)
if (ENABLE_COMPILETIME_FORMAT_CHECK)
add_compile_definitions(ENABLE_COMPILETIME_FORMAT_CHECK)
endif()
if("${SERENITY_ARCH}" STREQUAL "aarch64")
# FIXME: re-enable this warning
add_compile_options(-Wno-type-limits)
endif()
add_link_options(-Wno-unused-command-line-argument)
include_directories(.)
include_directories(Userland/Libraries)
include_directories(Userland/Libraries/LibCrypt)
include_directories(Userland/Libraries/LibSystem)
include_directories(Userland/Services)
include_directories(Userland)
include_directories(${CMAKE_CURRENT_BINARY_DIR})
include_directories(${CMAKE_CURRENT_BINARY_DIR}/Userland/Services)
include_directories(${CMAKE_CURRENT_BINARY_DIR}/Userland/Libraries)
include_directories(${CMAKE_CURRENT_BINARY_DIR}/Userland)
add_custom_target(components ALL)
option(BUILD_EVERYTHING "Build all optional components" ON)
include(utils)
include(flac_spec_tests)
serenity_component(
Tests
RECOMMENDED
)
if (HACKSTUDIO_BUILD)
include_directories(/usr/include/Userland/Services)
include(${HACKSTUDIO_BUILD_CMAKE_FILE})
return()
endif()
add_subdirectory(AK)
add_subdirectory(Kernel)
# FIXME: vptr sanitizing requires.. intense ABI wrangling of std::type_info
# And would be better served by porting ubsan_type_hash_itanium.cpp from compiler-rt
if (ENABLE_UNDEFINED_SANITIZER)
add_compile_options(-fsanitize=undefined -fno-sanitize=vptr)
add_link_options(-fsanitize=undefined -fno-sanitize=vptr)
if (UNDEFINED_BEHAVIOR_IS_FATAL)
add_compile_options(-fno-sanitize-recover=undefined)
endif()
endif()
if (ENABLE_MOLD_LINKER)
add_link_options(-fuse-ld=mold)
endif()
if (CMAKE_CXX_COMPILER_ID MATCHES "Clang$" OR ENABLE_MOLD_LINKER)
add_link_options(LINKER:--pack-dyn-relocs=relr)
elseif("${SERENITY_ARCH}" STREQUAL "x86_64")
# The BFD linker only supports RELR relocations on x86 and POWER.
add_link_options(LINKER:-z,pack-relative-relocs)
endif()
add_subdirectory(Userland)
add_subdirectory(Tests)
if (ENABLE_COMPILETIME_HEADER_CHECK)
add_subdirectory(Meta/HeaderCheck)
endif()
export_components("${CMAKE_BINARY_DIR}/components.ini")
# it seems like cmake cannot uncompress *.gz files... only ZIP/tar.gz.
# Lets download the uncompressed versions.
# https://gitlab.kitware.com/cmake/cmake/-/issues/23054
set(PCI_IDS_FILE pci.ids)
set(PCI_IDS_URL "https://pci-ids.ucw.cz/v2.2/${PCI_IDS_FILE}")
set(PCI_IDS_DOWNLOAD_PATH "${SERENITY_CACHE_DIR}/${PCI_IDS_FILE}")
set(PCI_IDS_INSTALL_PATH "${CMAKE_STAGING_PREFIX}/${CMAKE_INSTALL_DATAROOTDIR}")
if (ENABLE_PCI_IDS_DOWNLOAD AND NOT EXISTS "${PCI_IDS_INSTALL_PATH}/${PCI_IDS_FILE}")
download_file("${PCI_IDS_URL}" "${PCI_IDS_DOWNLOAD_PATH}")
install(FILES "${PCI_IDS_DOWNLOAD_PATH}" DESTINATION "${PCI_IDS_INSTALL_PATH}")
endif()
set(USB_IDS_FILE usb.ids)
set(USB_IDS_URL "http://www.linux-usb.org/${USB_IDS_FILE}")
set(USB_IDS_DOWNLOAD_PATH "${SERENITY_CACHE_DIR}/${USB_IDS_FILE}")
set(USB_IDS_INSTALL_PATH "${CMAKE_STAGING_PREFIX}/${CMAKE_INSTALL_DATAROOTDIR}")
if (ENABLE_USB_IDS_DOWNLOAD AND NOT EXISTS "${USB_IDS_INSTALL_PATH}/${USB_IDS_FILE}")
download_file("${USB_IDS_URL}" "${USB_IDS_DOWNLOAD_PATH}")
install(FILES "${USB_IDS_DOWNLOAD_PATH}" DESTINATION "${USB_IDS_INSTALL_PATH}")
endif()
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