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ladybird/CMakeLists.txt
Andrew Kaster 904a268872 Meta: Move all options to targetname_options.cmake files 
This common strategy of having a serenity_option() macro defined in
either the Lagom or top level CMakeLists.txt allows us to do two things:

First, we can more clearly see which options are Serenity-specific,
Lagom-specific, or common between the target and host builds.

Second, it enables the upcoming SuperBuild changes to set() the options
in the SuperBuild's CMake cache and forward each target's options to the
corresponding ExternalProject.
2021-09-15 19:04:52 +04:30

384 lines
14 KiB
CMake
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cmake_minimum_required(VERSION 3.16)
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 (CMAKE_COMPILER_IS_GNUCXX AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 10.2)
message(FATAL_ERROR
"A GCC version less than 10.2 was detected (${CMAKE_CXX_COMPILER_VERSION}), this is unsupported.\n"
"Please re-read the build instructions documentation, and upgrade your host compiler.\n")
endif()
set(CMAKE_INSTALL_MESSAGE NEVER)
enable_testing()
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
if(NOT COMMAND serenity_option)
macro(serenity_option)
set(${ARGV})
endmacro()
endif()
include(serenity_options)
set(SERENITY_ARCH "i686" CACHE STRING "Target architecture for SerenityOS.")
if("${SERENITY_ARCH}" STREQUAL "i686")
set(SERENITY_CLANG_ARCH "i386")
else()
set(SERENITY_CLANG_ARCH ${SERENITY_ARCH})
endif()
# Meta target to run all code-gen steps in the build.
add_custom_target(all_generated)
add_custom_target(run
COMMAND "${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} image
COMMAND ${CMAKE_MAKE_PROGRAM} run
USES_TERMINAL
)
add_custom_target(image
DEPENDS qemu-image
)
set(GCC_VERSION 11.2.0)
set(LLVM_VERSION 12.0.1)
add_custom_target(qemu-image
COMMAND "${CMAKE_COMMAND}" -E env "SERENITY_SOURCE_DIR=${SerenityOS_SOURCE_DIR}" "SERENITY_ARCH=${SERENITY_ARCH}" "USE_CLANG_TOOLCHAIN=$<BOOL:${USE_CLANG_TOOLCHAIN}>" "LLVM_VERSION=${LLVM_VERSION}" "${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=${SERENITY_ARCH}" "USE_CLANG_TOOLCHAIN=$<BOOL:${USE_CLANG_TOOLCHAIN}>" "LLVM_VERSION=${LLVM_VERSION}" "${SerenityOS_SOURCE_DIR}/Meta/build-image-grub.sh"
BYPRODUCTS ${CMAKE_BINARY_DIR}/grub_disk_image
USES_TERMINAL
)
add_custom_target(extlinux-image
COMMAND "${CMAKE_COMMAND}" -E env "SERENITY_SOURCE_DIR=${SerenityOS_SOURCE_DIR}" "SERENITY_ARCH=${SERENITY_ARCH}" "USE_CLANG_TOOLCHAIN=$<BOOL:${USE_CLANG_TOOLCHAIN}>" "LLVM_VERSION=${LLVM_VERSION}" "${SerenityOS_SOURCE_DIR}/Meta/build-image-extlinux.sh"
BYPRODUCTS "${CMAKE_BINARY_DIR}/extlinux_disk_image"
USES_TERMINAL
)
add_custom_target(lint-shell-scripts
COMMAND "${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}" "${SerenityOS_SOURCE_DIR}/Meta/install-ports-tree.sh"
USES_TERMINAL
)
add_custom_target(configure-components
COMMAND "$<TARGET_FILE:Lagom::ConfigureComponents>"
USES_TERMINAL
)
add_dependencies(configure-components Lagom::ConfigureComponents)
set(CMAKE_CXX_STANDARD 20)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS OFF)
add_compile_options(-fsized-deallocation)
add_compile_options(-fno-delete-null-pointer-checks)
if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
add_compile_options(-Wno-literal-suffix)
elseif ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang$")
add_compile_options(-Wno-overloaded-virtual)
add_compile_options(-Wno-user-defined-literals)
add_compile_options(-fconstexpr-steps=16777216)
endif()
if (ENABLE_ALL_DEBUG_FACILITIES)
set(ENABLE_ALL_THE_DEBUG_MACROS ON)
set(ENABLE_EXTRA_KERNEL_DEBUG_SYMBOLS ON)
# Immediately finds violations during boot, shouldn't be discoverable
# by people who aren't working on fixing issues. Use this check to make
# sure this code continues to build instead of all_debug_macros to avoid
# people filing bugs.
set(KMALLOC_VERIFY_NO_SPINLOCK_HELD ON)
# Enables KCOV API and injects kernel coverage instrumentation via
# -fsanitize-coverage=trace-pc. Mostly here to ensure that the CI catches
# commits breaking this flag.
set(ENABLE_KERNEL_COVERAGE_COLLECTION ON)
endif()
if (ENABLE_ALL_THE_DEBUG_MACROS)
include(all_the_debug_macros)
endif(ENABLE_ALL_THE_DEBUG_MACROS)
configure_file(AK/Debug.h.in AK/Debug.h @ONLY)
configure_file(Kernel/Debug.h.in Kernel/Debug.h @ONLY)
include_directories(Userland/Libraries)
include_directories(.)
include_directories(${CMAKE_BINARY_DIR})
add_subdirectory(Meta/Lagom)
find_program(CCACHE_PROGRAM ccache)
if(CCACHE_PROGRAM)
set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE "${CCACHE_PROGRAM}")
endif()
# FIXME: With cmake 3.18, we can change unzip/untar steps to use
# file(ARCHIVE_EXTRACT) instead
find_program(UNZIP unzip REQUIRED)
find_program(TAR tar REQUIRED)
unset(CMAKE_SYSROOT)
set(CMAKE_STAGING_PREFIX ${CMAKE_BINARY_DIR}/Root)
set(CMAKE_INSTALL_PREFIX ${CMAKE_BINARY_DIR}/Root)
set(CMAKE_INSTALL_DATAROOTDIR ${CMAKE_BINARY_DIR}/Root/res)
if (${CMAKE_HOST_SYSTEM_NAME} MATCHES SerenityOS)
message("Good job on building cmake!")
elseif(USE_CLANG_TOOLCHAIN)
set(TOOLCHAIN_ROOT ${CMAKE_SOURCE_DIR}/Toolchain/Local/clang/${SERENITY_ARCH}/)
set(TOOLCHAIN_PATH ${TOOLCHAIN_ROOT}/bin)
set(CMAKE_C_COMPILER ${TOOLCHAIN_PATH}/clang)
set(CMAKE_CXX_COMPILER ${TOOLCHAIN_PATH}/clang++)
set(CMAKE_ASM_COMPILER ${TOOLCHAIN_PATH}/clang)
set(CMAKE_LINKER ${TOOLCHAIN_PATH}/ld.lld)
set(CMAKE_RANLIB ${TOOLCHAIN_PATH}/llvm-ranlib)
set(CMAKE_STRIP ${TOOLCHAIN_PATH}/llvm-strip)
set(CMAKE_AR ${TOOLCHAIN_PATH}/llvm-ar)
set(CMAKE_CXXFILT ${TOOLCHAIN_PATH}/llvm-cxxfilt)
# FIXME: Persuade LLVM maintainers to add `--update-section` to llvm-objcopy, as it's required for the kernel symbol map.
set(CMAKE_OBJCOPY ${TOOLCHAIN_ROOT}/binutils/bin/${SERENITY_ARCH}-pc-serenity-objcopy)
else()
set(TOOLCHAIN_ROOT ${SerenityOS_SOURCE_DIR}/Toolchain/Local/${SERENITY_ARCH}/)
set(TOOLCHAIN_PATH ${TOOLCHAIN_ROOT}/bin)
set(TOOLCHAIN_PREFIX ${TOOLCHAIN_PATH}/${SERENITY_ARCH}-pc-serenity-)
set(CMAKE_C_COMPILER ${TOOLCHAIN_PREFIX}gcc)
set(CMAKE_CXX_COMPILER ${TOOLCHAIN_PREFIX}g++)
set(CMAKE_ASM_COMPILER ${TOOLCHAIN_PREFIX}gcc)
set(CMAKE_LINKER ${TOOLCHAIN_PREFIX}ld)
set(CMAKE_RANLIB ${TOOLCHAIN_PREFIX}gcc-ranlib)
set(CMAKE_STRIP ${TOOLCHAIN_PREFIX}strip)
set(CMAKE_AR ${TOOLCHAIN_PREFIX}gcc-ar)
set(CMAKE_OBJCOPY ${TOOLCHAIN_PREFIX}objcopy)
set(CMAKE_CXXFILT ${TOOLCHAIN_PREFIX}c++filt)
endif()
foreach(lang ASM C CXX OBJC OBJCXX)
unset(CMAKE_${lang}_OSX_COMPATIBILITY_VERSION_FLAG)
unset(CMAKE_${lang}_OSX_CURRENT_VERSION_FLAG)
unset(CMAKE_${lang}_LINK_FLAGS)
unset(CMAKE_SHARED_LIBRARY_CREATE_${lang}_FLAGS)
unset(CMAKE_SHARED_MODULE_CREATE_${lang}_FLAGS)
unset(CMAKE_SHARED_MODULE_LOADER_${lang}_FLAG )
unset(CMAKE_${lang}_OSX_DEPLOYMENT_TARGET_FLAG)
unset(CMAKE_${lang}_SYSROOT_FLAG)
if (CMAKE_SYSTEM_NAME MATCHES Darwin)
## macOS workaround. Use GNU ld flags for SONAMEs.
set(CMAKE_${lang}_CREATE_SHARED_LIBRARY
"<CMAKE_${lang}_COMPILER> <LANGUAGE_COMPILE_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_${lang}_FLAGS> <LINK_FLAGS> <SONAME_FLAG><TARGET_SONAME> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>")
set(CMAKE_SHARED_LIBRARY_SONAME_${lang}_FLAG "-Wl,-soname,")
endif()
endforeach()
set(CMAKE_INSTALL_NAME_TOOL "")
set(CMAKE_SHARED_LIBRARY_SUFFIX ".so")
set(CMAKE_SHARED_LIBRARY_CREATE_CXX_FLAGS "-shared -Wl,--hash-style=gnu,-z,relro,-z,now,-z,noexecstack,-z,separate-code")
set(CMAKE_CXX_LINK_FLAGS "-Wl,--hash-style=gnu,-z,relro,-z,now,-z,noexecstack,-z,max-page-size=0x1000,-z,separate-code")
# 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)
add_compile_options(-Wformat=2)
add_compile_options(-fdiagnostics-color=always)
if (NOT ${CMAKE_HOST_SYSTEM_NAME} MATCHES SerenityOS)
# FIXME: Something makes this go crazy and flag unused variables that aren't flagged as such when building with the toolchain.
# Disable -Werror for now.
add_compile_options(-Werror)
endif()
add_compile_options(-Wall)
add_compile_options(-Wextra)
# The following warnings are sorted by the "base" name (the part excluding the initial Wno or W).
add_compile_options(-Wno-address-of-packed-member)
add_compile_options(-Wcast-qual)
add_compile_options(-Wno-deprecated-copy)
add_compile_options(-Wduplicated-cond)
add_compile_options(-Wno-expansion-to-defined)
add_compile_options(-Wformat=2)
add_compile_options(-Wimplicit-fallthrough)
add_compile_options(-Wlogical-op)
add_compile_options(-Wmisleading-indentation)
add_compile_options(-Wmissing-declarations)
add_compile_options(-Wnon-virtual-dtor)
add_compile_options(-Wno-unknown-warning-option)
add_compile_options(-Wundef)
add_compile_options(-Wunused)
add_compile_options(-Wno-unused-private-field)
add_compile_options(-Wno-unused-const-variable)
add_compile_options(-Wno-unused-command-line-argument)
add_compile_options(-Wwrite-strings)
add_compile_options(-Wno-maybe-uninitialized)
add_compile_options(-ffile-prefix-map=${SerenityOS_SOURCE_DIR}=.)
add_compile_options(-fno-exceptions)
add_compile_options(-ftls-model=initial-exec)
add_compile_options(-fno-semantic-interposition)
add_compile_options(-fstack-clash-protection)
add_compile_options(-fstack-protector-strong)
add_compile_options(-g1)
if (USE_CLANG_TOOLCHAIN)
add_compile_options(-Wno-atomic-alignment)
add_compile_options(-Wno-c99-designator)
add_compile_options(-Wno-implicit-const-int-float-conversion)
add_compile_options(-Wno-inconsistent-missing-override)
add_compile_options(-Wno-tautological-constant-out-of-range-compare)
add_compile_options(-Wno-unneeded-internal-declaration)
add_compile_options(-Wno-unused-function)
add_compile_options(-Wno-user-defined-literals)
# Without the 'SHELL' prefix, this would get removed through de-duplication with the flags set for the host compiler.
# Then, that would come before '-Wextra', so it would not negate the '-Woverloaded-virtual' set by '-Wextra'.
add_compile_options(SHELL:-Wno-overloaded-virtual)
add_compile_options(--sysroot=${CMAKE_BINARY_DIR}/Root)
add_compile_options(--target=${SERENITY_CLANG_ARCH}-pc-serenity)
add_compile_options(-fno-aligned-allocation)
add_compile_options(-fconstexpr-steps=16777216)
add_compile_options(-gdwarf-4)
# FIXME: Why is Clang not picking up this path?
link_directories(${TOOLCHAIN_ROOT}/lib/clang/${LLVM_VERSION}/lib/serenity)
add_link_options(LINKER:--allow-shlib-undefined)
else()
add_compile_options(-Wcast-align)
add_compile_options(-Wdouble-promotion)
endif()
add_link_options(LINKER:-z,text)
if("${SERENITY_ARCH}" STREQUAL "i686")
add_compile_options(-march=i686)
elseif("${SERENITY_ARCH}" STREQUAL "x86_64")
add_compile_options(-march=x86-64)
endif()
add_compile_definitions(SANITIZE_PTRS)
set(CMAKE_CXX_FLAGS_STATIC "${CMAKE_CXX_FLAGS} -static")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pie -fpic")
if (ENABLE_COMPILETIME_FORMAT_CHECK)
add_compile_definitions(ENABLE_COMPILETIME_FORMAT_CHECK)
endif()
add_link_options(--sysroot ${CMAKE_BINARY_DIR}/Root)
add_link_options(-Wno-unused-command-line-argument)
include_directories(.)
include_directories(Userland/Libraries)
include_directories(Userland/Libraries/LibC)
include_directories(Userland/Libraries/LibCrypt)
include_directories(Userland/Libraries/LibM)
include_directories(Userland/Libraries/LibPthread)
include_directories(Userland/Libraries/LibSystem)
include_directories(Userland/Services)
include_directories(Userland)
include_directories(${CMAKE_CURRENT_BINARY_DIR})
include_directories(${CMAKE_CURRENT_BINARY_DIR}/Userland/Services)
include_directories(${CMAKE_CURRENT_BINARY_DIR}/Userland/Libraries)
include_directories(${CMAKE_CURRENT_BINARY_DIR}/Userland)
# FIXME: vptr sanitizing requires.. intense ABI wrangling of std::type_info
# And would be better served by porting ubsan_type_hash_itanium.cpp from compiler-rt
if (ENABLE_UNDEFINED_SANITIZER)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=undefined -fno-sanitize=vptr")
endif()
add_custom_target(components ALL)
option(BUILD_EVERYTHING "Build all optional components" ON)
include(utils)
include(wasm_spec_tests)
serenity_component(
Tests
RECOMMENDED
)
add_subdirectory(AK)
add_subdirectory(Kernel)
if(NOT "${SERENITY_ARCH}" STREQUAL "aarch64")
add_subdirectory(Userland)
add_subdirectory(Tests)
endif()
export_components("${CMAKE_BINARY_DIR}/components.ini")
set(PCI_IDS_GZ_URL https://pci-ids.ucw.cz/v2.2/pci.ids.gz)
set(PCI_IDS_GZ_PATH ${CMAKE_BINARY_DIR}/pci.ids.gz)
set(PCI_IDS_PATH ${CMAKE_BINARY_DIR}/pci.ids)
set(PCI_IDS_INSTALL_PATH ${CMAKE_INSTALL_DATAROOTDIR}/pci.ids)
if(ENABLE_PCI_IDS_DOWNLOAD AND NOT EXISTS ${PCI_IDS_GZ_PATH})
message(STATUS "Downloading PCI ID database from ${PCI_IDS_GZ_URL}...")
file(DOWNLOAD ${PCI_IDS_GZ_URL} ${PCI_IDS_GZ_PATH} INACTIVITY_TIMEOUT 10)
endif()
if(EXISTS ${PCI_IDS_GZ_PATH} AND NOT EXISTS ${PCI_IDS_INSTALL_PATH})
message(STATUS "Extracting PCI ID database from ${PCI_IDS_GZ_PATH}...")
execute_process(COMMAND gzip -k -d ${PCI_IDS_GZ_PATH})
file(MAKE_DIRECTORY ${CMAKE_INSTALL_DATAROOTDIR})
file(RENAME ${PCI_IDS_PATH} ${PCI_IDS_INSTALL_PATH})
endif()
set(USB_IDS_GZ_URL http://www.linux-usb.org/usb.ids.gz)
set(USB_IDS_GZ_PATH ${CMAKE_BINARY_DIR}/usb.ids.gz)
set(USB_IDS_PATH ${CMAKE_BINARY_DIR}/usb.ids)
set(USB_IDS_INSTALL_PATH ${CMAKE_INSTALL_DATAROOTDIR}/usb.ids)
if(ENABLE_USB_IDS_DOWNLOAD AND NOT EXISTS ${USB_IDS_GZ_PATH})
message(STATUS "Downloading USB ID database from ${USB_IDS_GZ_URL}...")
file(DOWNLOAD ${USB_IDS_GZ_URL} ${USB_IDS_GZ_PATH} INACTIVITY_TIMEOUT 10)
endif()
if(EXISTS ${USB_IDS_GZ_PATH} AND NOT EXISTS ${USB_IDS_INSTALL_PATH})
message(STATUS "Extracting USB ID database from ${USB_IDS_GZ_PATH}...")
execute_process(COMMAND gzip -k -d ${USB_IDS_GZ_PATH})
file(MAKE_DIRECTORY ${CMAKE_INSTALL_DATAROOTDIR})
file(RENAME ${USB_IDS_PATH} ${USB_IDS_INSTALL_PATH})
endif()
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