ladybird/CMakeLists.txt
Michel Hermier d927b69082 cmake: Tidy compiler options.
Prior to this patch there was some long line of unreadable compiler
options. Now the long lines are deduplicated and there is only one
option per line to ease reading/maintenance.
2021-03-28 20:40:12 +02:00

218 lines
8.2 KiB
CMake

cmake_minimum_required(VERSION 3.16)
project(SerenityOS C CXX ASM)
if(NOT "${CMAKE_BUILD_TYPE}" STREQUAL "")
message(FATAL
": 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()
set(CMAKE_INSTALL_MESSAGE NEVER)
enable_testing()
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
set(SERENITY_ARCH "i686" CACHE STRING "Target architecture for SerenityOS.")
# Central location for all custom options used in the Serenity build.
option(ENABLE_ADDRESS_SANITIZER "Enable address sanitizer testing in gcc/clang" OFF)
option(ENABLE_KERNEL_ADDRESS_SANITIZER "Enable kernel address sanitizer testing in gcc/clang" OFF)
option(ENABLE_MEMORY_SANITIZER "Enable memory sanitizer testing in gcc/clang" OFF)
option(ENABLE_UNDEFINED_SANITIZER "Enable undefined behavior sanitizer testing in gcc/clang" OFF)
option(ENABLE_FUZZER_SANITIZER "Enable fuzzer sanitizer testing in clang" OFF)
option(ENABLE_ALL_THE_DEBUG_MACROS "Enable all debug macros to validate they still compile" OFF)
option(ENABLE_COMPILETIME_FORMAT_CHECK "Enable compiletime format string checks" ON)
option(ENABLE_PCI_IDS_DOWNLOAD "Enable download of the pci.ids database at build time" ON)
option(BUILD_LAGOM "Build parts of the system targeting the host OS for fuzzing/testing" OFF)
add_custom_target(run
COMMAND ${CMAKE_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
)
add_custom_target(qemu-image
COMMAND ${CMAKE_COMMAND} -E env "SERENITY_ROOT=${CMAKE_SOURCE_DIR}" "SERENITY_ARCH=${SERENITY_ARCH}" ${CMAKE_SOURCE_DIR}/Meta/build-image-qemu.sh
BYPRODUCTS ${CMAKE_BINARY_DIR}/_disk_image
USES_TERMINAL
)
add_custom_target(grub-image
COMMAND ${CMAKE_COMMAND} -E env "SERENITY_ROOT=${CMAKE_SOURCE_DIR}" "SERENITY_ARCH=${SERENITY_ARCH}" ${CMAKE_SOURCE_DIR}/Meta/build-image-grub.sh
BYPRODUCTS ${CMAKE_BINARY_DIR}/grub_disk_image
USES_TERMINAL
)
add_custom_target(lint-shell-scripts
COMMAND ${CMAKE_SOURCE_DIR}/Meta/lint-shell-scripts.sh
USES_TERMINAL
)
add_custom_target(check-style
COMMAND ${CMAKE_SOURCE_DIR}/Meta/check-style.sh
USES_TERMINAL
)
set(CMAKE_CXX_STANDARD 20)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS OFF)
if (ENABLE_ALL_THE_DEBUG_MACROS)
include(${CMAKE_SOURCE_DIR}/Meta/CMake/all_the_debug_macros.cmake)
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)
add_subdirectory(Userland/DevTools/IPCCompiler)
add_subdirectory(Userland/Libraries/LibWeb/CodeGenerators)
set(write_if_different ${CMAKE_SOURCE_DIR}/Meta/write-only-on-difference.sh)
find_program(CCACHE_PROGRAM ccache)
if(CCACHE_PROGRAM)
set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE "${CCACHE_PROGRAM}")
endif()
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!")
else()
set(TOOLCHAIN_PATH ${CMAKE_SOURCE_DIR}/Toolchain/Local/${SERENITY_ARCH}/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}ranlib)
set(CMAKE_STRIP ${TOOLCHAIN_PREFIX}strip)
set(CMAKE_AR ${TOOLCHAIN_PREFIX}ar)
endif()
foreach(lang ASM C CXX OBJC OBJCXX)
unset(CMAKE_${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_${lang}_SYSROOT_FLAG)
if (CMAKE_SYSTEM_NAME MATCHES Darwin)
## MacOS Workaround. Don't generate install_name flag when cross compiling
set(CMAKE_${lang}_CREATE_SHARED_LIBRARY
"<CMAKE_${lang}_COMPILER> <LANGUAGE_COMPILE_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_${lang}_FLAGS> <LINK_FLAGS> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>")
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")
set(CMAKE_CXX_LINK_FLAGS "-Wl,--hash-style=gnu,-z,relro,-z,now,-z,noexecstack")
# 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 ${CMAKE_HOST_SYSTEM_NAME} MATCHES SerenityOS)
# FIXME: Something makes this go crazy and flag unused variables that aren't flagged as such when building with the toolchain.
# Disable -Werror for now.
add_compile_options(-Werror)
endif()
add_compile_options(-Wall)
add_compile_options(-Wextra)
add_compile_options(-Wno-address-of-packed-member)
add_compile_options(-Wcast-qual)
add_compile_options(-Wno-deprecated-copy)
add_compile_options(-Wno-expansion-to-defined)
add_compile_options(-Wimplicit-fallthrough)
add_compile_options(-Wmissing-declarations)
add_compile_options(-Wno-nonnull-compare)
add_compile_options(-Wno-unknown-warning-option)
add_compile_options(-Wundef)
add_compile_options(-Wwrite-strings)
add_compile_options(-ffile-prefix-map=${CMAKE_SOURCE_DIR}=.)
add_compile_options(-fno-exceptions)
add_compile_options(-fstack-protector-strong)
add_compile_options(-g1)
if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
add_compile_options(-Wno-literal-suffix)
add_compile_options(-fconcepts)
add_compile_options(-fstack-clash-protection)
elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
add_compile_options(-Wno-overloaded-virtual)
add_compile_options(-Wno-user-defined-literals)
endif()
add_compile_definitions(DEBUG 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 ${CMAKE_BINARY_DIR}/Root)
include_directories(Userland/Libraries/LibC)
include_directories(Userland/Libraries/LibM)
include_directories(Userland/Libraries/LibSystem)
include_directories(Userland/Services)
include_directories(Userland)
include_directories(${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_subdirectory(AK)
add_subdirectory(Kernel)
add_subdirectory(Userland)
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()