diff options
Diffstat (limited to 'CMakeLists.txt')
| -rw-r--r-- | CMakeLists.txt | 80 |
1 files changed, 70 insertions, 10 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 9e041ff20f..2e0e0e1d81 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -22,6 +22,12 @@ set(CMAKE_EXPORT_COMPILE_COMMANDS ON) 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() + # 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) @@ -37,6 +43,7 @@ option(ENABLE_PCI_IDS_DOWNLOAD "Enable download of the pci.ids database at build option(ENABLE_USB_IDS_DOWNLOAD "Enable download of the usb.ids database at build time" ON) option(BUILD_LAGOM "Build parts of the system targeting the host OS for fuzzing/testing" OFF) option(ENABLE_KERNEL_LTO "Build the kernel with link-time optimization" OFF) +option(USE_CLANG_TOOLCHAIN "Build the kernel with the experimental Clang toolchain" OFF) include(Meta/CMake/wasm_spec_tests.cmake) @@ -60,18 +67,22 @@ add_custom_target(setup-and-run 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 ${CMAKE_COMMAND} -E env "SERENITY_SOURCE_DIR=${CMAKE_SOURCE_DIR}" "SERENITY_ARCH=${SERENITY_ARCH}" ${CMAKE_SOURCE_DIR}/Meta/build-image-qemu.sh + COMMAND ${CMAKE_COMMAND} -E env "SERENITY_SOURCE_DIR=${CMAKE_SOURCE_DIR}" "SERENITY_ARCH=${SERENITY_ARCH}" "USE_CLANG_TOOLCHAIN=$<BOOL:${USE_CLANG_TOOLCHAIN}>" "LLVM_VERSION=${LLVM_VERSION}" ${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 + COMMAND ${CMAKE_COMMAND} -E env "SERENITY_SOURCE_DIR=${CMAKE_SOURCE_DIR}" "SERENITY_ARCH=${SERENITY_ARCH}" "USE_CLANG_TOOLCHAIN=$<BOOL:${USE_CLANG_TOOLCHAIN}>" "LLVM_VERSION=${LLVM_VERSION}" ${CMAKE_SOURCE_DIR}/Meta/build-image-grub.sh BYPRODUCTS ${CMAKE_BINARY_DIR}/grub_disk_image USES_TERMINAL ) add_custom_target(extlinux-image - COMMAND ${CMAKE_COMMAND} -E env "SERENITY_SOURCE_DIR=${CMAKE_SOURCE_DIR}" "SERENITY_ARCH=${SERENITY_ARCH}" ${CMAKE_SOURCE_DIR}/Meta/build-image-extlinux.sh + COMMAND ${CMAKE_COMMAND} -E env "SERENITY_SOURCE_DIR=${CMAKE_SOURCE_DIR}" "SERENITY_ARCH=${SERENITY_ARCH}" "USE_CLANG_TOOLCHAIN=$<BOOL:${USE_CLANG_TOOLCHAIN}>" "LLVM_VERSION=${LLVM_VERSION}" ${CMAKE_SOURCE_DIR}/Meta/build-image-extlinux.sh BYPRODUCTS ${CMAKE_BINARY_DIR}/extlinux_disk_image USES_TERMINAL ) @@ -100,12 +111,13 @@ set(CMAKE_CXX_STANDARD 20) set(CMAKE_CXX_STANDARD_REQUIRED ON) set(CMAKE_CXX_EXTENSIONS OFF) -add_compile_options(-Wno-literal-suffix) add_compile_options(-fsized-deallocation) if ("${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 -Wno-user-defined-literals) + 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) @@ -159,10 +171,23 @@ set(CMAKE_STAGING_PREFIX ${CMAKE_BINARY_DIR}/Root) set(CMAKE_INSTALL_PREFIX ${CMAKE_BINARY_DIR}/Root) set(CMAKE_INSTALL_DATAROOTDIR ${CMAKE_BINARY_DIR}/Root/res) -set(GCC_VERSION 11.2.0) if (${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 ${CMAKE_SOURCE_DIR}/Toolchain/Local/${SERENITY_ARCH}/) set(TOOLCHAIN_PATH ${TOOLCHAIN_ROOT}/bin) @@ -219,11 +244,9 @@ add_compile_options(-Wextra) # The following warnings are sorted by the "base" name (the part excluding the initial Wno or W). add_compile_options(-Wno-address-of-packed-member) -add_compile_options(-Wcast-align) add_compile_options(-Wcast-qual) add_compile_options(-Wno-deprecated-copy) add_compile_options(-Wduplicated-cond) -add_compile_options(-Wdouble-promotion) add_compile_options(-Wno-expansion-to-defined) add_compile_options(-Wformat=2) add_compile_options(-Wimplicit-fallthrough) @@ -235,16 +258,52 @@ add_compile_options(-Wnon-virtual-dtor) add_compile_options(-Wno-unknown-warning-option) add_compile_options(-Wundef) add_compile_options(-Wunused) +add_compile_options(-Wno-unused-private-field) +add_compile_options(-Wno-unused-const-variable) +add_compile_options(-Wno-unused-command-line-argument) add_compile_options(-Wwrite-strings) add_compile_options(-Wno-maybe-uninitialized) add_compile_options(-ffile-prefix-map=${CMAKE_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 ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU") - add_compile_options(-fstack-clash-protection) +if (USE_CLANG_TOOLCHAIN) + add_compile_options(-Wno-atomic-alignment) + add_compile_options(-Wno-c99-designator) + add_compile_options(-Wno-implicit-const-int-float-conversion) + add_compile_options(-Wno-inconsistent-missing-override) + add_compile_options(-Wno-tautological-constant-out-of-range-compare) + add_compile_options(-Wno-unneeded-internal-declaration) + add_compile_options(-Wno-unused-function) + add_compile_options(-Wno-user-defined-literals) + # Without the 'SHELL' prefix, this would get removed through de-duplication with the flags set for the host compiler. + # Then, that would come before '-Wextra', so it would not negate the '-Woverloaded-virtual' set by '-Wextra'. + add_compile_options(SHELL:-Wno-overloaded-virtual) + + add_compile_options(--sysroot=${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/${LLVM_VERSION}/lib/serenity) + + add_link_options(LINKER:--allow-shlib-undefined) +else() + add_compile_options(-Wcast-align) + add_compile_options(-Wdouble-promotion) +endif() + +if("${SERENITY_ARCH}" STREQUAL "i686") + add_compile_options(-march=i686) +else() + add_compile_options(-march=x86-64) endif() add_compile_definitions(SANITIZE_PTRS) @@ -256,6 +315,7 @@ if (ENABLE_COMPILETIME_FORMAT_CHECK) endif() add_link_options(--sysroot ${CMAKE_BINARY_DIR}/Root) +add_link_options(-Wno-unused-command-line-argument) include_directories(Userland/Libraries/LibC) include_directories(Userland/Libraries/LibCrypt) |