/
config-ix.cmake
844 lines (759 loc) · 33.4 KB
/
config-ix.cmake
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include(CMakePushCheckState)
include(LLVMCheckLinkerFlag) # Compat until CMake 3.18
include(CheckCCompilerFlag)
include(CheckCXXCompilerFlag)
include(CheckIncludeFiles)
include(CheckLibraryExists)
include(CheckSymbolExists)
include(TestBigEndian)
check_library_exists(c fopen "" COMPILER_RT_HAS_LIBC)
if (COMPILER_RT_USE_BUILTINS_LIBRARY)
include(HandleCompilerRT)
find_compiler_rt_library(builtins COMPILER_RT_BUILTINS_LIBRARY
FLAGS ${SANITIZER_COMMON_FLAGS})
# TODO(PR51389): We should check COMPILER_RT_BUILTINS_LIBRARY and report an
# error if the value is NOTFOUND rather than silenty continuing but we first
# need to fix find_compiler_rt_library on Darwin.
else()
if (ANDROID)
check_library_exists(gcc __gcc_personality_v0 "" COMPILER_RT_HAS_GCC_LIB)
else()
check_library_exists(gcc_s __gcc_personality_v0 "" COMPILER_RT_HAS_GCC_S_LIB)
endif()
endif()
check_c_compiler_flag(-nodefaultlibs COMPILER_RT_HAS_NODEFAULTLIBS_FLAG)
if (COMPILER_RT_HAS_NODEFAULTLIBS_FLAG)
set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -nodefaultlibs")
if (COMPILER_RT_HAS_LIBC)
list(APPEND CMAKE_REQUIRED_LIBRARIES c)
endif ()
if (COMPILER_RT_USE_BUILTINS_LIBRARY)
# TODO: remote this check once we address PR51389.
if (${COMPILER_RT_BUILTINS_LIBRARY})
list(APPEND CMAKE_REQUIRED_LIBRARIES "${COMPILER_RT_BUILTINS_LIBRARY}")
endif()
elseif (COMPILER_RT_HAS_GCC_S_LIB)
list(APPEND CMAKE_REQUIRED_LIBRARIES gcc_s)
elseif (COMPILER_RT_HAS_GCC_LIB)
list(APPEND CMAKE_REQUIRED_LIBRARIES gcc)
endif ()
if (MINGW)
# Mingw64 requires quite a few "C" runtime libraries in order for basic
# programs to link successfully with -nodefaultlibs.
if (COMPILER_RT_USE_BUILTINS_LIBRARY)
set(MINGW_RUNTIME ${COMPILER_RT_BUILTINS_LIBRARY})
else ()
set(MINGW_RUNTIME gcc_s gcc)
endif()
set(MINGW_LIBRARIES mingw32 ${MINGW_RUNTIME} moldname mingwex msvcrt advapi32
shell32 user32 kernel32 mingw32 ${MINGW_RUNTIME}
moldname mingwex msvcrt)
list(APPEND CMAKE_REQUIRED_LIBRARIES ${MINGW_LIBRARIES})
endif()
endif ()
# CodeGen options.
check_c_compiler_flag(-ffreestanding COMPILER_RT_HAS_FFREESTANDING_FLAG)
check_c_compiler_flag(-fomit-frame-pointer COMPILER_RT_HAS_OMIT_FRAME_POINTER_FLAG)
check_c_compiler_flag(-std=c11 COMPILER_RT_HAS_STD_C11_FLAG)
check_c_compiler_flag(-fcf-protection=full COMPILER_RT_HAS_FCF_PROTECTION_FLAG)
check_cxx_compiler_flag(-fPIC COMPILER_RT_HAS_FPIC_FLAG)
check_cxx_compiler_flag(-fPIE COMPILER_RT_HAS_FPIE_FLAG)
check_cxx_compiler_flag(-fno-builtin COMPILER_RT_HAS_FNO_BUILTIN_FLAG)
check_cxx_compiler_flag(-fno-exceptions COMPILER_RT_HAS_FNO_EXCEPTIONS_FLAG)
check_cxx_compiler_flag(-fomit-frame-pointer COMPILER_RT_HAS_FOMIT_FRAME_POINTER_FLAG)
check_cxx_compiler_flag(-funwind-tables COMPILER_RT_HAS_FUNWIND_TABLES_FLAG)
check_cxx_compiler_flag(-fno-stack-protector COMPILER_RT_HAS_FNO_STACK_PROTECTOR_FLAG)
check_cxx_compiler_flag(-fno-sanitize=safe-stack COMPILER_RT_HAS_FNO_SANITIZE_SAFE_STACK_FLAG)
check_cxx_compiler_flag(-fvisibility=hidden COMPILER_RT_HAS_FVISIBILITY_HIDDEN_FLAG)
check_cxx_compiler_flag(-frtti COMPILER_RT_HAS_FRTTI_FLAG)
check_cxx_compiler_flag(-fno-rtti COMPILER_RT_HAS_FNO_RTTI_FLAG)
check_cxx_compiler_flag("-Werror -fno-function-sections" COMPILER_RT_HAS_FNO_FUNCTION_SECTIONS_FLAG)
check_cxx_compiler_flag(-std=c++14 COMPILER_RT_HAS_STD_CXX14_FLAG)
check_cxx_compiler_flag(-ftls-model=initial-exec COMPILER_RT_HAS_FTLS_MODEL_INITIAL_EXEC)
check_cxx_compiler_flag(-fno-lto COMPILER_RT_HAS_FNO_LTO_FLAG)
check_cxx_compiler_flag(-fno-profile-generate COMPILER_RT_HAS_FNO_PROFILE_GENERATE_FLAG)
check_cxx_compiler_flag(-fno-profile-instr-generate COMPILER_RT_HAS_FNO_PROFILE_INSTR_GENERATE_FLAG)
check_cxx_compiler_flag(-fno-profile-instr-use COMPILER_RT_HAS_FNO_PROFILE_INSTR_USE_FLAG)
check_cxx_compiler_flag(-fno-coverage-mapping COMPILER_RT_HAS_FNO_COVERAGE_MAPPING_FLAG)
check_cxx_compiler_flag("-Werror -msse3" COMPILER_RT_HAS_MSSE3_FLAG)
check_cxx_compiler_flag("-Werror -msse4.2" COMPILER_RT_HAS_MSSE4_2_FLAG)
check_cxx_compiler_flag(--sysroot=. COMPILER_RT_HAS_SYSROOT_FLAG)
check_cxx_compiler_flag("-Werror -mcrc" COMPILER_RT_HAS_MCRC_FLAG)
check_cxx_compiler_flag(-fno-partial-inlining COMPILER_RT_HAS_FNO_PARTIAL_INLINING_FLAG)
if(NOT WIN32 AND NOT CYGWIN)
# MinGW warns if -fvisibility-inlines-hidden is used.
check_cxx_compiler_flag("-fvisibility-inlines-hidden" COMPILER_RT_HAS_FVISIBILITY_INLINES_HIDDEN_FLAG)
endif()
check_cxx_compiler_flag(/GR COMPILER_RT_HAS_GR_FLAG)
check_cxx_compiler_flag(/GS COMPILER_RT_HAS_GS_FLAG)
check_cxx_compiler_flag(/MT COMPILER_RT_HAS_MT_FLAG)
check_cxx_compiler_flag(/Oy COMPILER_RT_HAS_Oy_FLAG)
# Debug info flags.
check_cxx_compiler_flag(-gline-tables-only COMPILER_RT_HAS_GLINE_TABLES_ONLY_FLAG)
check_cxx_compiler_flag(-g COMPILER_RT_HAS_G_FLAG)
check_cxx_compiler_flag(/Zi COMPILER_RT_HAS_Zi_FLAG)
# Warnings.
check_cxx_compiler_flag(-Wall COMPILER_RT_HAS_WALL_FLAG)
check_cxx_compiler_flag(-Werror COMPILER_RT_HAS_WERROR_FLAG)
check_cxx_compiler_flag("-Werror -Wframe-larger-than=512" COMPILER_RT_HAS_WFRAME_LARGER_THAN_FLAG)
check_cxx_compiler_flag("-Werror -Wglobal-constructors" COMPILER_RT_HAS_WGLOBAL_CONSTRUCTORS_FLAG)
check_cxx_compiler_flag("-Werror -Wc99-extensions" COMPILER_RT_HAS_WC99_EXTENSIONS_FLAG)
check_cxx_compiler_flag("-Werror -Wgnu" COMPILER_RT_HAS_WGNU_FLAG)
check_cxx_compiler_flag("-Werror -Wnon-virtual-dtor" COMPILER_RT_HAS_WNON_VIRTUAL_DTOR_FLAG)
check_cxx_compiler_flag("-Werror -Wvariadic-macros" COMPILER_RT_HAS_WVARIADIC_MACROS_FLAG)
check_cxx_compiler_flag("-Werror -Wunused-parameter" COMPILER_RT_HAS_WUNUSED_PARAMETER_FLAG)
check_cxx_compiler_flag("-Werror -Wcovered-switch-default" COMPILER_RT_HAS_WCOVERED_SWITCH_DEFAULT_FLAG)
check_cxx_compiler_flag("-Werror -Wsuggest-override" COMPILER_RT_HAS_WSUGGEST_OVERRIDE_FLAG)
check_cxx_compiler_flag(-Wno-pedantic COMPILER_RT_HAS_WNO_PEDANTIC)
check_cxx_compiler_flag(-Wno-format COMPILER_RT_HAS_WNO_FORMAT)
check_cxx_compiler_flag(-Wno-format-pedantic COMPILER_RT_HAS_WNO_FORMAT_PEDANTIC)
check_cxx_compiler_flag("/experimental:external /external:W0" COMPILER_RT_HAS_EXTERNAL_FLAG)
check_cxx_compiler_flag(/W4 COMPILER_RT_HAS_W4_FLAG)
check_cxx_compiler_flag(/WX COMPILER_RT_HAS_WX_FLAG)
check_cxx_compiler_flag(/wd4146 COMPILER_RT_HAS_WD4146_FLAG)
check_cxx_compiler_flag(/wd4206 COMPILER_RT_HAS_WD4206_FLAG)
check_cxx_compiler_flag(/wd4291 COMPILER_RT_HAS_WD4291_FLAG)
check_cxx_compiler_flag(/wd4221 COMPILER_RT_HAS_WD4221_FLAG)
check_cxx_compiler_flag(/wd4391 COMPILER_RT_HAS_WD4391_FLAG)
check_cxx_compiler_flag(/wd4722 COMPILER_RT_HAS_WD4722_FLAG)
check_cxx_compiler_flag(/wd4800 COMPILER_RT_HAS_WD4800_FLAG)
# Symbols.
check_symbol_exists(__func__ "" COMPILER_RT_HAS_FUNC_SYMBOL)
# Includes.
check_cxx_compiler_flag(-nostdinc++ COMPILER_RT_HAS_NOSTDINCXX_FLAG)
check_cxx_compiler_flag(-nostdlib++ COMPILER_RT_HAS_NOSTDLIBXX_FLAG)
check_include_files("sys/auxv.h" COMPILER_RT_HAS_AUXV)
# Libraries.
check_library_exists(dl dlopen "" COMPILER_RT_HAS_LIBDL)
check_library_exists(rt shm_open "" COMPILER_RT_HAS_LIBRT)
check_library_exists(m pow "" COMPILER_RT_HAS_LIBM)
check_library_exists(pthread pthread_create "" COMPILER_RT_HAS_LIBPTHREAD)
check_library_exists(execinfo backtrace "" COMPILER_RT_HAS_LIBEXECINFO)
# Look for terminfo library, used in unittests that depend on LLVMSupport.
if(LLVM_ENABLE_TERMINFO STREQUAL FORCE_ON)
set(MAYBE_REQUIRED REQUIRED)
else()
set(MAYBE_REQUIRED)
endif()
if(LLVM_ENABLE_TERMINFO)
find_library(COMPILER_RT_TERMINFO_LIB NAMES terminfo tinfo curses ncurses ncursesw ${MAYBE_REQUIRED})
endif()
if(COMPILER_RT_TERMINFO_LIB)
set(LLVM_ENABLE_TERMINFO 1)
else()
set(LLVM_ENABLE_TERMINFO 0)
endif()
if (ANDROID AND COMPILER_RT_HAS_LIBDL)
# Android's libstdc++ has a dependency on libdl.
list(APPEND CMAKE_REQUIRED_LIBRARIES dl)
endif()
check_library_exists(c++ __cxa_throw "" COMPILER_RT_HAS_LIBCXX)
check_library_exists(stdc++ __cxa_throw "" COMPILER_RT_HAS_LIBSTDCXX)
# Linker flags.
llvm_check_linker_flag(CXX "-Wl,-z,text" COMPILER_RT_HAS_Z_TEXT)
llvm_check_linker_flag(CXX "-fuse-ld=lld" COMPILER_RT_HAS_FUSE_LD_LLD_FLAG)
if(${CMAKE_SYSTEM_NAME} MATCHES "SunOS")
set(VERS_COMPAT_OPTION "-Wl,-z,gnu-version-script-compat")
llvm_check_linker_flag(CXX "${VERS_COMPAT_OPTION}" COMPILER_RT_HAS_GNU_VERSION_SCRIPT_COMPAT)
endif()
set(DUMMY_VERS ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/dummy.vers)
file(WRITE ${DUMMY_VERS} "{};")
set(VERS_OPTION "-Wl,--version-script,${DUMMY_VERS}")
if(COMPILER_RT_HAS_GNU_VERSION_SCRIPT_COMPAT)
# Solaris 11.4 ld only supports --version-script with
# -z gnu-version-script-compat.
string(APPEND VERS_OPTION " ${VERS_COMPAT_OPTION}")
endif()
llvm_check_linker_flag(CXX "${VERS_OPTION}" COMPILER_RT_HAS_VERSION_SCRIPT)
if(ANDROID)
llvm_check_linker_flag(CXX "-Wl,-z,global" COMPILER_RT_HAS_Z_GLOBAL)
check_library_exists(log __android_log_write "" COMPILER_RT_HAS_LIBLOG)
endif()
# Architectures.
# List of all architectures we can target.
set(COMPILER_RT_SUPPORTED_ARCH)
# Try to compile a very simple source file to ensure we can target the given
# platform. We use the results of these tests to build only the various target
# runtime libraries supported by our current compilers cross-compiling
# abilities.
set(SIMPLE_SOURCE ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/simple.cc)
file(WRITE ${SIMPLE_SOURCE} "#include <stdlib.h>\n#include <stdio.h>\nint main() { printf(\"hello, world\"); }\n")
# Detect whether the current target platform is 32-bit or 64-bit, and setup
# the correct commandline flags needed to attempt to target 32-bit and 64-bit.
if (NOT CMAKE_SIZEOF_VOID_P EQUAL 4 AND
NOT CMAKE_SIZEOF_VOID_P EQUAL 8)
message(FATAL_ERROR "Please use architecture with 4 or 8 byte pointers.")
endif()
test_targets()
# Returns a list of architecture specific target cflags in @out_var list.
function(get_target_flags_for_arch arch out_var)
list(FIND COMPILER_RT_SUPPORTED_ARCH ${arch} ARCH_INDEX)
if(ARCH_INDEX EQUAL -1)
message(FATAL_ERROR "Unsupported architecture: ${arch}")
else()
if (NOT APPLE)
set(${out_var} ${TARGET_${arch}_CFLAGS} PARENT_SCOPE)
else()
# This is only called in constructing cflags for tests executing on the
# host. This will need to all be cleaned up to support building tests
# for cross-targeted hardware (i.e. iOS).
set(${out_var} -arch ${arch} PARENT_SCOPE)
endif()
endif()
endfunction()
# Returns a compiler and CFLAGS that should be used to run tests for the
# specific architecture. When cross-compiling, this is controled via
# COMPILER_RT_TEST_COMPILER and COMPILER_RT_TEST_COMPILER_CFLAGS.
macro(get_test_cc_for_arch arch cc_out cflags_out)
if(ANDROID OR ${arch} MATCHES "arm|aarch64|riscv32|riscv64")
# This is only true if we are cross-compiling.
# Build all tests with host compiler and use host tools.
set(${cc_out} ${COMPILER_RT_TEST_COMPILER})
set(${cflags_out} ${COMPILER_RT_TEST_COMPILER_CFLAGS})
else()
get_target_flags_for_arch(${arch} ${cflags_out})
if(APPLE)
list(APPEND ${cflags_out} ${DARWIN_osx_CFLAGS})
endif()
string(REPLACE ";" " " ${cflags_out} "${${cflags_out}}")
endif()
endmacro()
# Returns CFLAGS that should be used to run tests for the
# specific apple platform and architecture.
function(get_test_cflags_for_apple_platform platform arch cflags_out)
is_valid_apple_platform("${platform}" is_valid_platform)
if (NOT is_valid_platform)
message(FATAL_ERROR "\"${platform}\" is not a valid apple platform")
endif()
set(test_cflags "")
get_target_flags_for_arch(${arch} test_cflags)
if (NOT "${arch}" STREQUAL "arm64e")
list(APPEND test_cflags ${DARWIN_${platform}_CFLAGS})
else()
# arm64e is not currently ABI stable so we need to build for the
# OS version being tested. Rather than querying the device under test
# we use the SDK version which "should" be the same as the
# device under test (it is a configuration error for these not to match).
# FIXME(dliew): We can remove this if we build the runtimes with the appropriate
# deployment target for arm64e.
foreach (flag ${DARWIN_${platform}_CFLAGS})
if ("${flag}" MATCHES "^${DARWIN_${platform}_MIN_VER_FLAG}=.+")
# Find the SDK version
get_xcrun_platform_from_apple_platform("${platform}" xcrun_platform_name)
# TODO(dliew): Remove this check once get_xcrun_platform_from_apple_platform
# emits a fatal error for unrecognised platforms.
if (NOT "${xcrun_platform_name}" STREQUAL "")
find_darwin_sdk_version(platform_sdk_version "${xcrun_platform_name}")
# Patch flag with correct deployment target
set(replacement_flag "${DARWIN_${platform}_MIN_VER_FLAG}=${platform_sdk_version}")
list(APPEND test_cflags "${replacement_flag}")
endif()
else()
# Copy through
list(APPEND test_cflags "${flag}")
endif()
endforeach()
endif()
string(REPLACE ";" " " test_cflags_str "${test_cflags}")
string(APPEND test_cflags_str "${COMPILER_RT_TEST_COMPILER_CFLAGS}")
set(${cflags_out} "${test_cflags_str}" PARENT_SCOPE)
endfunction()
function(get_capitalized_apple_platform platform platform_capitalized)
# TODO(dliew): Remove uses of this function. It exists to preserve needlessly complex
# directory naming conventions used by the Sanitizer lit test suites.
is_valid_apple_platform("${platform}" is_valid_platform)
if (NOT is_valid_platform)
message(FATAL_ERROR "\"${platform}\" is not a valid apple platform")
endif()
string(TOUPPER "${platform}" platform_upper)
string(REGEX REPLACE "OSSIM$" "OSSim" platform_upper_capitalized "${platform_upper}")
set(${platform_capitalized} "${platform_upper_capitalized}" PARENT_SCOPE)
endfunction()
function(is_valid_apple_platform platform is_valid_out)
set(is_valid FALSE)
if ("${platform}" STREQUAL "")
message(FATAL_ERROR "platform cannot be empty")
endif()
if ("${platform}" MATCHES "^(osx|((ios|watchos|tvos)(sim)?))$")
set(is_valid TRUE)
endif()
set(${is_valid_out} ${is_valid} PARENT_SCOPE)
endfunction()
# Maps the Apple platform name used in Compiler-rt's CMake code
# to the name recognised by xcrun's `--sdk` argument
function(get_xcrun_platform_from_apple_platform platform out_var)
set(xcrun_platform "")
if ("${platform}" STREQUAL "osx")
set(xcrun_platform "macosx")
elseif ("${platform}" STREQUAL "iossim")
set(xcrun_platform "iphonesimulator")
elseif ("${platform}" STREQUAL "ios")
set(xcrun_platform "iphoneos")
elseif ("${platform}" STREQUAL "watchossim")
set(xcrun_platform "watchsimulator")
elseif ("${platform}" STREQUAL "watchos")
set(xcrun_platform "watchos")
elseif ("${platform}" STREQUAL "tvossim")
set(xcrun_platform "appletvsimulator")
elseif ("${platform}" STREQUAL "tvos")
set(xcrun_platform "appletvos")
else()
# TODO(dliew): Make this an error.
message(WARNING "\"${platform}\" is not a handled apple platform")
endif()
set(${out_var} ${xcrun_platform} PARENT_SCOPE)
endfunction()
include(AllSupportedArchDefs)
if(APPLE)
include(CompilerRTDarwinUtils)
find_darwin_sdk_dir(DARWIN_osx_SYSROOT macosx)
find_darwin_sdk_dir(DARWIN_iossim_SYSROOT iphonesimulator)
find_darwin_sdk_dir(DARWIN_ios_SYSROOT iphoneos)
find_darwin_sdk_dir(DARWIN_watchossim_SYSROOT watchsimulator)
find_darwin_sdk_dir(DARWIN_watchos_SYSROOT watchos)
find_darwin_sdk_dir(DARWIN_tvossim_SYSROOT appletvsimulator)
find_darwin_sdk_dir(DARWIN_tvos_SYSROOT appletvos)
if(NOT DARWIN_osx_SYSROOT)
message(WARNING "Could not determine OS X sysroot, trying /usr/include")
if(EXISTS /usr/include)
set(DARWIN_osx_SYSROOT /)
else()
message(ERROR "Could not detect OS X Sysroot. Either install Xcode or the Apple Command Line Tools")
endif()
endif()
if(COMPILER_RT_ENABLE_IOS)
list(APPEND DARWIN_EMBEDDED_PLATFORMS ios)
set(DARWIN_ios_MIN_VER 9.0)
set(DARWIN_ios_MIN_VER_FLAG -miphoneos-version-min)
set(DARWIN_ios_SANITIZER_MIN_VER_FLAG
${DARWIN_ios_MIN_VER_FLAG}=${DARWIN_ios_MIN_VER})
set(DARWIN_iossim_MIN_VER_FLAG -mios-simulator-version-min)
set(DARWIN_iossim_SANITIZER_MIN_VER_FLAG
${DARWIN_iossim_MIN_VER_FLAG}=${DARWIN_ios_MIN_VER})
endif()
if(COMPILER_RT_ENABLE_WATCHOS)
list(APPEND DARWIN_EMBEDDED_PLATFORMS watchos)
set(DARWIN_watchos_MIN_VER 2.0)
set(DARWIN_watchos_MIN_VER_FLAG -mwatchos-version-min)
set(DARWIN_watchos_SANITIZER_MIN_VER_FLAG
${DARWIN_watchos_MIN_VER_FLAG}=${DARWIN_watchos_MIN_VER})
set(DARWIN_watchossim_MIN_VER_FLAG -mwatchos-simulator-version-min)
set(DARWIN_watchossim_SANITIZER_MIN_VER_FLAG
${DARWIN_watchossim_MIN_VER_FLAG}=${DARWIN_watchos_MIN_VER})
endif()
if(COMPILER_RT_ENABLE_TVOS)
list(APPEND DARWIN_EMBEDDED_PLATFORMS tvos)
set(DARWIN_tvos_MIN_VER 9.0)
set(DARWIN_tvos_MIN_VER_FLAG -mtvos-version-min)
set(DARWIN_tvos_SANITIZER_MIN_VER_FLAG
${DARWIN_tvos_MIN_VER_FLAG}=${DARWIN_tvos_MIN_VER})
set(DARWIN_tvossim_MIN_VER_FLAG -mtvos-simulator-version-min)
set(DARWIN_tvossim_SANITIZER_MIN_VER_FLAG
${DARWIN_tvossim_MIN_VER_FLAG}=${DARWIN_tvos_MIN_VER})
endif()
set(SANITIZER_COMMON_SUPPORTED_OS osx)
set(PROFILE_SUPPORTED_OS osx)
set(TSAN_SUPPORTED_OS osx)
set(XRAY_SUPPORTED_OS osx)
set(FUZZER_SUPPORTED_OS osx)
set(ORC_SUPPORTED_OS osx)
set(UBSAN_SUPPORTED_OS osx)
set(LSAN_SUPPORTED_OS osx)
set(STATS_SUPPORTED_OS osx)
# Note: In order to target x86_64h on OS X the minimum deployment target must
# be 10.8 or higher.
set(DEFAULT_SANITIZER_MIN_OSX_VERSION 10.10)
set(DARWIN_osx_MIN_VER_FLAG "-mmacosx-version-min")
if(NOT SANITIZER_MIN_OSX_VERSION)
string(REGEX MATCH "${DARWIN_osx_MIN_VER_FLAG}=([.0-9]+)"
MACOSX_VERSION_MIN_FLAG "${CMAKE_CXX_FLAGS}")
if(MACOSX_VERSION_MIN_FLAG)
set(SANITIZER_MIN_OSX_VERSION "${CMAKE_MATCH_1}")
elseif(CMAKE_OSX_DEPLOYMENT_TARGET)
set(SANITIZER_MIN_OSX_VERSION ${CMAKE_OSX_DEPLOYMENT_TARGET})
else()
set(SANITIZER_MIN_OSX_VERSION ${DEFAULT_SANITIZER_MIN_OSX_VERSION})
endif()
if(SANITIZER_MIN_OSX_VERSION VERSION_LESS "10.7")
message(FATAL_ERROR "macOS deployment target '${SANITIZER_MIN_OSX_VERSION}' is too old.")
endif()
if(SANITIZER_MIN_OSX_VERSION VERSION_GREATER ${DEFAULT_SANITIZER_MIN_OSX_VERSION})
message(WARNING "macOS deployment target '${SANITIZER_MIN_OSX_VERSION}' is too new, setting to '${DEFAULT_SANITIZER_MIN_OSX_VERSION}' instead.")
set(SANITIZER_MIN_OSX_VERSION ${DEFAULT_SANITIZER_MIN_OSX_VERSION})
endif()
endif()
# We're setting the flag manually for each target OS
set(CMAKE_OSX_DEPLOYMENT_TARGET "")
set(DARWIN_COMMON_CFLAGS -stdlib=libc++)
set(DARWIN_COMMON_LINK_FLAGS
-stdlib=libc++
-lc++
-lc++abi)
llvm_check_linker_flag(CXX "-fapplication-extension" COMPILER_RT_HAS_APP_EXTENSION)
if(COMPILER_RT_HAS_APP_EXTENSION)
list(APPEND DARWIN_COMMON_LINK_FLAGS "-fapplication-extension")
endif()
set(DARWIN_osx_CFLAGS
${DARWIN_COMMON_CFLAGS}
${DARWIN_osx_MIN_VER_FLAG}=${SANITIZER_MIN_OSX_VERSION})
set(DARWIN_osx_LINK_FLAGS
${DARWIN_COMMON_LINK_FLAGS}
${DARWIN_osx_MIN_VER_FLAG}=${SANITIZER_MIN_OSX_VERSION})
if(DARWIN_osx_SYSROOT)
list(APPEND DARWIN_osx_CFLAGS -isysroot ${DARWIN_osx_SYSROOT})
list(APPEND DARWIN_osx_LINK_FLAGS -isysroot ${DARWIN_osx_SYSROOT})
endif()
# Figure out which arches to use for each OS
darwin_get_toolchain_supported_archs(toolchain_arches)
message(STATUS "Toolchain supported arches: ${toolchain_arches}")
if(NOT MACOSX_VERSION_MIN_FLAG)
darwin_test_archs(osx
DARWIN_osx_ARCHS
${toolchain_arches})
message(STATUS "OSX supported arches: ${DARWIN_osx_ARCHS}")
foreach(arch ${DARWIN_osx_ARCHS})
list(APPEND COMPILER_RT_SUPPORTED_ARCH ${arch})
set(CAN_TARGET_${arch} 1)
endforeach()
foreach(platform ${DARWIN_EMBEDDED_PLATFORMS})
if(DARWIN_${platform}sim_SYSROOT)
set(DARWIN_${platform}sim_CFLAGS
${DARWIN_COMMON_CFLAGS}
${DARWIN_${platform}sim_SANITIZER_MIN_VER_FLAG}
-isysroot ${DARWIN_${platform}sim_SYSROOT})
set(DARWIN_${platform}sim_LINK_FLAGS
${DARWIN_COMMON_LINK_FLAGS}
${DARWIN_${platform}sim_SANITIZER_MIN_VER_FLAG}
-isysroot ${DARWIN_${platform}sim_SYSROOT})
set(DARWIN_${platform}sim_SKIP_CC_KEXT On)
darwin_test_archs(${platform}sim
DARWIN_${platform}sim_ARCHS
${toolchain_arches})
message(STATUS "${platform} Simulator supported arches: ${DARWIN_${platform}sim_ARCHS}")
if(DARWIN_${platform}sim_ARCHS)
list(APPEND SANITIZER_COMMON_SUPPORTED_OS ${platform}sim)
list(APPEND PROFILE_SUPPORTED_OS ${platform}sim)
list(APPEND TSAN_SUPPORTED_OS ${platform}sim)
list(APPEND FUZZER_SUPPORTED_OS ${platform}sim)
list(APPEND ORC_SUPPORTED_OS ${platform}sim)
list(APPEND UBSAN_SUPPORTED_OS ${platform}sim)
list(APPEND LSAN_SUPPORTED_OS ${platform}sim)
list(APPEND STATS_SUPPORTED_OS ${platform}sim)
endif()
foreach(arch ${DARWIN_${platform}sim_ARCHS})
list(APPEND COMPILER_RT_SUPPORTED_ARCH ${arch})
set(CAN_TARGET_${arch} 1)
endforeach()
endif()
if(DARWIN_${platform}_SYSROOT)
set(DARWIN_${platform}_CFLAGS
${DARWIN_COMMON_CFLAGS}
${DARWIN_${platform}_SANITIZER_MIN_VER_FLAG}
-isysroot ${DARWIN_${platform}_SYSROOT})
set(DARWIN_${platform}_LINK_FLAGS
${DARWIN_COMMON_LINK_FLAGS}
${DARWIN_${platform}_SANITIZER_MIN_VER_FLAG}
-isysroot ${DARWIN_${platform}_SYSROOT})
darwin_test_archs(${platform}
DARWIN_${platform}_ARCHS
${toolchain_arches})
message(STATUS "${platform} supported arches: ${DARWIN_${platform}_ARCHS}")
if(DARWIN_${platform}_ARCHS)
list(APPEND SANITIZER_COMMON_SUPPORTED_OS ${platform})
list(APPEND PROFILE_SUPPORTED_OS ${platform})
list_intersect(DARWIN_${platform}_TSAN_ARCHS DARWIN_${platform}_ARCHS ALL_TSAN_SUPPORTED_ARCH)
if(DARWIN_${platform}_TSAN_ARCHS)
list(APPEND TSAN_SUPPORTED_OS ${platform})
endif()
list(APPEND FUZZER_SUPPORTED_OS ${platform})
list(APPEND ORC_SUPPORTED_OS ${platform})
list(APPEND UBSAN_SUPPORTED_OS ${platform})
list(APPEND LSAN_SUPPORTED_OS ${platform})
list(APPEND STATS_SUPPORTED_OS ${platform})
endif()
foreach(arch ${DARWIN_${platform}_ARCHS})
list(APPEND COMPILER_RT_SUPPORTED_ARCH ${arch})
set(CAN_TARGET_${arch} 1)
endforeach()
endif()
endforeach()
endif()
# Explicitly disable unsupported Sanitizer configurations.
list(REMOVE_ITEM FUZZER_SUPPORTED_OS "watchos")
list(REMOVE_ITEM FUZZER_SUPPORTED_OS "watchossim")
# for list_intersect
include(CompilerRTUtils)
list_intersect(SANITIZER_COMMON_SUPPORTED_ARCH
ALL_SANITIZER_COMMON_SUPPORTED_ARCH
COMPILER_RT_SUPPORTED_ARCH
)
set(LSAN_COMMON_SUPPORTED_ARCH ${SANITIZER_COMMON_SUPPORTED_ARCH})
set(UBSAN_COMMON_SUPPORTED_ARCH ${SANITIZER_COMMON_SUPPORTED_ARCH})
list_intersect(ASAN_SUPPORTED_ARCH
ALL_ASAN_SUPPORTED_ARCH
SANITIZER_COMMON_SUPPORTED_ARCH)
list_intersect(DFSAN_SUPPORTED_ARCH
ALL_DFSAN_SUPPORTED_ARCH
SANITIZER_COMMON_SUPPORTED_ARCH)
list_intersect(GWP_ASAN_SUPPORTED_ARCH
ALL_GWP_ASAN_SUPPORTED_ARCH
SANITIZER_COMMON_SUPPORTED_ARCH)
list_intersect(LSAN_SUPPORTED_ARCH
ALL_LSAN_SUPPORTED_ARCH
SANITIZER_COMMON_SUPPORTED_ARCH)
list_intersect(MSAN_SUPPORTED_ARCH
ALL_MSAN_SUPPORTED_ARCH
SANITIZER_COMMON_SUPPORTED_ARCH)
list_intersect(HWASAN_SUPPORTED_ARCH
ALL_HWASAN_SUPPORTED_ARCH
SANITIZER_COMMON_SUPPORTED_ARCH)
list_intersect(MEMPROF_SUPPORTED_ARCH
ALL_MEMPROF_SUPPORTED_ARCH
SANITIZER_COMMON_SUPPORTED_ARCH)
list_intersect(PROFILE_SUPPORTED_ARCH
ALL_PROFILE_SUPPORTED_ARCH
SANITIZER_COMMON_SUPPORTED_ARCH)
list_intersect(TSAN_SUPPORTED_ARCH
ALL_TSAN_SUPPORTED_ARCH
SANITIZER_COMMON_SUPPORTED_ARCH)
list_intersect(UBSAN_SUPPORTED_ARCH
ALL_UBSAN_SUPPORTED_ARCH
SANITIZER_COMMON_SUPPORTED_ARCH)
list_intersect(SAFESTACK_SUPPORTED_ARCH
ALL_SAFESTACK_SUPPORTED_ARCH
SANITIZER_COMMON_SUPPORTED_ARCH)
list_intersect(CFI_SUPPORTED_ARCH
ALL_CFI_SUPPORTED_ARCH
SANITIZER_COMMON_SUPPORTED_ARCH)
list_intersect(SCUDO_SUPPORTED_ARCH
ALL_SCUDO_SUPPORTED_ARCH
SANITIZER_COMMON_SUPPORTED_ARCH)
list_intersect(SCUDO_STANDALONE_SUPPORTED_ARCH
ALL_SCUDO_STANDALONE_SUPPORTED_ARCH
SANITIZER_COMMON_SUPPORTED_ARCH)
list_intersect(FUZZER_SUPPORTED_ARCH
ALL_FUZZER_SUPPORTED_ARCH
SANITIZER_COMMON_SUPPORTED_ARCH)
list_intersect(XRAY_SUPPORTED_ARCH
ALL_XRAY_SUPPORTED_ARCH
SANITIZER_COMMON_SUPPORTED_ARCH)
list_intersect(SHADOWCALLSTACK_SUPPORTED_ARCH
ALL_SHADOWCALLSTACK_SUPPORTED_ARCH
SANITIZER_COMMON_SUPPORTED_ARCH)
list_intersect(ORC_SUPPORTED_ARCH
ALL_ORC_SUPPORTED_ARCH
SANITIZER_COMMON_SUPPORTED_ARCH)
else()
filter_available_targets(CRT_SUPPORTED_ARCH ${ALL_CRT_SUPPORTED_ARCH})
# Architectures supported by compiler-rt libraries.
filter_available_targets(SANITIZER_COMMON_SUPPORTED_ARCH
${ALL_SANITIZER_COMMON_SUPPORTED_ARCH})
# LSan and UBSan common files should be available on all architectures
# supported by other sanitizers (even if they build into dummy object files).
filter_available_targets(LSAN_COMMON_SUPPORTED_ARCH
${SANITIZER_COMMON_SUPPORTED_ARCH})
filter_available_targets(UBSAN_COMMON_SUPPORTED_ARCH
${SANITIZER_COMMON_SUPPORTED_ARCH})
filter_available_targets(ASAN_SUPPORTED_ARCH ${ALL_ASAN_SUPPORTED_ARCH})
filter_available_targets(FUZZER_SUPPORTED_ARCH ${ALL_FUZZER_SUPPORTED_ARCH})
filter_available_targets(DFSAN_SUPPORTED_ARCH ${ALL_DFSAN_SUPPORTED_ARCH})
filter_available_targets(LSAN_SUPPORTED_ARCH ${ALL_LSAN_SUPPORTED_ARCH})
filter_available_targets(MSAN_SUPPORTED_ARCH ${ALL_MSAN_SUPPORTED_ARCH})
filter_available_targets(HWASAN_SUPPORTED_ARCH ${ALL_HWASAN_SUPPORTED_ARCH})
filter_available_targets(MEMPROF_SUPPORTED_ARCH ${ALL_MEMPROF_SUPPORTED_ARCH})
filter_available_targets(PROFILE_SUPPORTED_ARCH ${ALL_PROFILE_SUPPORTED_ARCH})
filter_available_targets(TSAN_SUPPORTED_ARCH ${ALL_TSAN_SUPPORTED_ARCH})
filter_available_targets(UBSAN_SUPPORTED_ARCH ${ALL_UBSAN_SUPPORTED_ARCH})
filter_available_targets(SAFESTACK_SUPPORTED_ARCH
${ALL_SAFESTACK_SUPPORTED_ARCH})
filter_available_targets(CFI_SUPPORTED_ARCH ${ALL_CFI_SUPPORTED_ARCH})
filter_available_targets(SCUDO_SUPPORTED_ARCH ${ALL_SCUDO_SUPPORTED_ARCH})
filter_available_targets(SCUDO_STANDALONE_SUPPORTED_ARCH ${ALL_SCUDO_STANDALONE_SUPPORTED_ARCH})
filter_available_targets(XRAY_SUPPORTED_ARCH ${ALL_XRAY_SUPPORTED_ARCH})
filter_available_targets(SHADOWCALLSTACK_SUPPORTED_ARCH
${ALL_SHADOWCALLSTACK_SUPPORTED_ARCH})
filter_available_targets(GWP_ASAN_SUPPORTED_ARCH ${ALL_GWP_ASAN_SUPPORTED_ARCH})
filter_available_targets(ORC_SUPPORTED_ARCH ${ALL_ORC_SUPPORTED_ARCH})
endif()
if (MSVC)
# Allow setting clang-cl's /winsysroot flag.
set(LLVM_WINSYSROOT "" CACHE STRING
"If set, argument to clang-cl's /winsysroot")
if (LLVM_WINSYSROOT)
set(MSVC_DIA_SDK_DIR "${LLVM_WINSYSROOT}/DIA SDK" CACHE PATH
"Path to the DIA SDK")
else()
set(MSVC_DIA_SDK_DIR "$ENV{VSINSTALLDIR}DIA SDK" CACHE PATH
"Path to the DIA SDK")
endif()
# See if the DIA SDK is available and usable.
if (IS_DIRECTORY ${MSVC_DIA_SDK_DIR})
set(CAN_SYMBOLIZE 1)
else()
set(CAN_SYMBOLIZE 0)
endif()
else()
set(CAN_SYMBOLIZE 1)
endif()
find_program(GNU_LD_EXECUTABLE NAMES ${LLVM_DEFAULT_TARGET_TRIPLE}-ld.bfd ld.bfd DOC "GNU ld")
find_program(GOLD_EXECUTABLE NAMES ${LLVM_DEFAULT_TARGET_TRIPLE}-ld.gold ld.gold DOC "GNU gold")
if(COMPILER_RT_SUPPORTED_ARCH)
list(REMOVE_DUPLICATES COMPILER_RT_SUPPORTED_ARCH)
endif()
message(STATUS "Compiler-RT supported architectures: ${COMPILER_RT_SUPPORTED_ARCH}")
set(ALL_SANITIZERS asan;dfsan;msan;hwasan;tsan;safestack;cfi;scudo;ubsan_minimal;gwp_asan)
set(COMPILER_RT_SANITIZERS_TO_BUILD all CACHE STRING
"sanitizers to build if supported on the target (all;${ALL_SANITIZERS})")
list_replace(COMPILER_RT_SANITIZERS_TO_BUILD all "${ALL_SANITIZERS}")
if (SANITIZER_COMMON_SUPPORTED_ARCH AND NOT LLVM_USE_SANITIZER AND
(OS_NAME MATCHES "Android|Darwin|Linux|FreeBSD|NetBSD|Fuchsia|SunOS" OR
(OS_NAME MATCHES "Windows" AND NOT CYGWIN AND
(NOT MINGW OR CMAKE_CXX_COMPILER_ID MATCHES "Clang"))))
set(COMPILER_RT_HAS_SANITIZER_COMMON TRUE)
else()
set(COMPILER_RT_HAS_SANITIZER_COMMON FALSE)
endif()
if (COMPILER_RT_HAS_SANITIZER_COMMON)
set(COMPILER_RT_HAS_INTERCEPTION TRUE)
else()
set(COMPILER_RT_HAS_INTERCEPTION FALSE)
endif()
if (COMPILER_RT_HAS_SANITIZER_COMMON AND ASAN_SUPPORTED_ARCH)
set(COMPILER_RT_HAS_ASAN TRUE)
else()
set(COMPILER_RT_HAS_ASAN FALSE)
endif()
if (OS_NAME MATCHES "Linux|FreeBSD|Windows|NetBSD|SunOS")
set(COMPILER_RT_ASAN_HAS_STATIC_RUNTIME TRUE)
else()
set(COMPILER_RT_ASAN_HAS_STATIC_RUNTIME FALSE)
endif()
# TODO: Add builtins support.
if (CRT_SUPPORTED_ARCH AND OS_NAME MATCHES "Linux" AND NOT LLVM_USE_SANITIZER)
set(COMPILER_RT_HAS_CRT TRUE)
else()
set(COMPILER_RT_HAS_CRT FALSE)
endif()
if (COMPILER_RT_HAS_SANITIZER_COMMON AND DFSAN_SUPPORTED_ARCH AND
OS_NAME MATCHES "Linux")
set(COMPILER_RT_HAS_DFSAN TRUE)
else()
set(COMPILER_RT_HAS_DFSAN FALSE)
endif()
if (COMPILER_RT_HAS_SANITIZER_COMMON AND LSAN_SUPPORTED_ARCH AND
OS_NAME MATCHES "Android|Darwin|Linux|NetBSD|Fuchsia")
set(COMPILER_RT_HAS_LSAN TRUE)
else()
set(COMPILER_RT_HAS_LSAN FALSE)
endif()
if (COMPILER_RT_HAS_SANITIZER_COMMON AND MSAN_SUPPORTED_ARCH AND
OS_NAME MATCHES "Linux|FreeBSD|NetBSD")
set(COMPILER_RT_HAS_MSAN TRUE)
else()
set(COMPILER_RT_HAS_MSAN FALSE)
endif()
if (COMPILER_RT_HAS_SANITIZER_COMMON AND HWASAN_SUPPORTED_ARCH AND
OS_NAME MATCHES "Linux|Android|Fuchsia")
set(COMPILER_RT_HAS_HWASAN TRUE)
else()
set(COMPILER_RT_HAS_HWASAN FALSE)
endif()
if (COMPILER_RT_HAS_SANITIZER_COMMON AND MEMPROF_SUPPORTED_ARCH AND
OS_NAME MATCHES "Linux")
set(COMPILER_RT_HAS_MEMPROF TRUE)
else()
set(COMPILER_RT_HAS_MEMPROF FALSE)
endif()
if (PROFILE_SUPPORTED_ARCH AND NOT LLVM_USE_SANITIZER AND
OS_NAME MATCHES "Darwin|Linux|FreeBSD|Windows|Android|Fuchsia|SunOS|NetBSD|AIX")
set(COMPILER_RT_HAS_PROFILE TRUE)
else()
set(COMPILER_RT_HAS_PROFILE FALSE)
endif()
if (COMPILER_RT_HAS_SANITIZER_COMMON AND TSAN_SUPPORTED_ARCH)
if (OS_NAME MATCHES "Linux|Darwin|FreeBSD|NetBSD")
set(COMPILER_RT_HAS_TSAN TRUE)
elseif (OS_NAME MATCHES "Android" AND ANDROID_PLATFORM_LEVEL GREATER 23)
set(COMPILER_RT_HAS_TSAN TRUE)
else()
set(COMPILER_RT_HAS_TSAN FALSE)
endif()
else()
set(COMPILER_RT_HAS_TSAN FALSE)
endif()
if (OS_NAME MATCHES "Linux|FreeBSD|Windows|NetBSD|SunOS")
set(COMPILER_RT_TSAN_HAS_STATIC_RUNTIME TRUE)
else()
set(COMPILER_RT_TSAN_HAS_STATIC_RUNTIME FALSE)
endif()
if (COMPILER_RT_HAS_SANITIZER_COMMON AND UBSAN_SUPPORTED_ARCH AND
OS_NAME MATCHES "Darwin|Linux|FreeBSD|NetBSD|Windows|Android|Fuchsia|SunOS")
set(COMPILER_RT_HAS_UBSAN TRUE)
else()
set(COMPILER_RT_HAS_UBSAN FALSE)
endif()
if (COMPILER_RT_HAS_SANITIZER_COMMON AND UBSAN_SUPPORTED_ARCH AND
OS_NAME MATCHES "Linux|FreeBSD|NetBSD|Android|Darwin")
set(COMPILER_RT_HAS_UBSAN_MINIMAL TRUE)
else()
set(COMPILER_RT_HAS_UBSAN_MINIMAL FALSE)
endif()
if (COMPILER_RT_HAS_SANITIZER_COMMON AND SAFESTACK_SUPPORTED_ARCH AND
OS_NAME MATCHES "Linux|FreeBSD|NetBSD")
set(COMPILER_RT_HAS_SAFESTACK TRUE)
else()
set(COMPILER_RT_HAS_SAFESTACK FALSE)
endif()
if (COMPILER_RT_HAS_SANITIZER_COMMON AND CFI_SUPPORTED_ARCH)
set(COMPILER_RT_HAS_CFI TRUE)
else()
set(COMPILER_RT_HAS_CFI FALSE)
endif()
#TODO(kostyak): add back Android & Fuchsia when the code settles a bit.
if (SCUDO_STANDALONE_SUPPORTED_ARCH AND OS_NAME MATCHES "Linux" AND
COMPILER_RT_HAS_AUXV)
set(COMPILER_RT_HAS_SCUDO_STANDALONE TRUE)
else()
set(COMPILER_RT_HAS_SCUDO_STANDALONE FALSE)
endif()
if (COMPILER_RT_HAS_SANITIZER_COMMON AND SCUDO_SUPPORTED_ARCH AND
OS_NAME MATCHES "Linux|Fuchsia")
set(COMPILER_RT_HAS_SCUDO TRUE)
else()
set(COMPILER_RT_HAS_SCUDO FALSE)
endif()
if (COMPILER_RT_HAS_SANITIZER_COMMON AND XRAY_SUPPORTED_ARCH AND
OS_NAME MATCHES "Darwin|Linux|FreeBSD|NetBSD|Fuchsia")
set(COMPILER_RT_HAS_XRAY TRUE)
else()
set(COMPILER_RT_HAS_XRAY FALSE)
endif()
if (ORC_SUPPORTED_ARCH)
set(COMPILER_RT_HAS_ORC TRUE)
else()
set(COMPILER_RT_HAS_ORC FALSE)
endif()
if (COMPILER_RT_HAS_SANITIZER_COMMON AND FUZZER_SUPPORTED_ARCH AND
OS_NAME MATCHES "Android|Darwin|Linux|NetBSD|FreeBSD|Fuchsia|Windows")
set(COMPILER_RT_HAS_FUZZER TRUE)
else()
set(COMPILER_RT_HAS_FUZZER FALSE)
endif()
if (COMPILER_RT_HAS_SANITIZER_COMMON AND SHADOWCALLSTACK_SUPPORTED_ARCH AND
OS_NAME MATCHES "Linux|Android")
set(COMPILER_RT_HAS_SHADOWCALLSTACK TRUE)
else()
set(COMPILER_RT_HAS_SHADOWCALLSTACK FALSE)
endif()
# Note: Fuchsia and Windows are not currently supported by GWP-ASan. Support
# is planned for these platforms. Darwin is also not supported due to TLS
# calling malloc on first use.
# TODO(hctim): Enable this on Android again. Looks like it's causing a SIGSEGV
# for Scudo and GWP-ASan, further testing needed.
if (GWP_ASAN_SUPPORTED_ARCH AND COMPILER_RT_BUILD_GWP_ASAN AND
OS_NAME MATCHES "Linux")
set(COMPILER_RT_HAS_GWP_ASAN TRUE)
else()
set(COMPILER_RT_HAS_GWP_ASAN FALSE)
endif()
pythonize_bool(COMPILER_RT_HAS_GWP_ASAN)