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) option(PRECOMPILE_COMMON_HEADERS "Precompile some common headers to speedup compilation" OFF) option(ENABLE_KERNEL_LTO "Build the kernel with link-time optimization" 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 ${CMAKE_COMMAND} -E env "SERENITY_SOURCE_DIR=${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 ${CMAKE_COMMAND} -E env "SERENITY_SOURCE_DIR=${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 ) add_custom_target(install-ports COMMAND ${CMAKE_COMMAND} -E env "SERENITY_SOURCE_DIR=${CMAKE_SOURCE_DIR}" "SERENITY_ARCH=${SERENITY_ARCH}" ${CMAKE_SOURCE_DIR}/Meta/install-ports-tree.sh USES_TERMINAL ) set(CMAKE_CXX_STANDARD 20) set(CMAKE_CXX_STANDARD_REQUIRED ON) set(CMAKE_CXX_EXTENSIONS OFF) add_compile_options(-Wno-literal-suffix) if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU") add_compile_options(-fconcepts) elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang") add_compile_options(-Wno-overloaded-virtual -Wno-user-defined-literals) endif() if (ENABLE_ALL_THE_DEBUG_MACROS) include(${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 ${CMAKE_BINARY_DIR}/Root/res) set(GCC_VERSION 11.1.0) if (${CMAKE_HOST_SYSTEM_NAME} MATCHES SerenityOS) message("Good job on building cmake!") else() set(TOOLCHAIN_ROOT ${CMAKE_SOURCE_DIR}/Toolchain/Local/${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 ${TOOLCHAIN_PREFIX}gcc-ar) endif() foreach(lang ASM C CXX OBJC OBJCXX) unset(CMAKE_${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 " -o ") 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") 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 ${CMAKE_HOST_SYSTEM_NAME} MATCHES SerenityOS) # FIXME: Something makes this go crazy and flag unused variables that aren't flagged as such when building with the toolchain. # Disable -Werror for now. add_compile_options(-Werror) endif() add_compile_options(-Wall) add_compile_options(-Wextra) # The following warnings are sorted by the "base" name (the part excluding the initial Wno or W). add_compile_options(-Wno-address-of-packed-member) add_compile_options(-Wcast-align) add_compile_options(-Wcast-qual) add_compile_options(-Wno-deprecated-copy) add_compile_options(-Wduplicated-cond) add_compile_options(-Wdouble-promotion) add_compile_options(-Wno-expansion-to-defined) add_compile_options(-Wformat=2) add_compile_options(-Wimplicit-fallthrough) add_compile_options(-Wlogical-op) add_compile_options(-Wmisleading-indentation) add_compile_options(-Wmissing-declarations) add_compile_options(-Wno-nonnull-compare) add_compile_options(-Wnon-virtual-dtor) add_compile_options(-Wno-unknown-warning-option) add_compile_options(-Wundef) add_compile_options(-Wunused) add_compile_options(-Wwrite-strings) add_compile_options(-ffile-prefix-map=${CMAKE_SOURCE_DIR}=.) add_compile_options(-fno-exceptions) add_compile_options(-fstack-protector-strong) add_compile_options(-g1) if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU") add_compile_options(-fstack-clash-protection) endif() add_compile_definitions(DEBUG SANITIZE_PTRS) set(CMAKE_CXX_FLAGS_STATIC "${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()