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AddSwiftStdlib.cmake
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include(AddSwift)
include(SwiftSource)
include(CompatibilityLibs)
function(add_dependencies_multiple_targets)
cmake_parse_arguments(
ADMT # prefix
"" # options
"" # single-value args
"TARGETS;DEPENDS" # multi-value args
${ARGN})
precondition(ADMT_UNPARSED_ARGUMENTS NEGATE MESSAGE "unrecognized arguments: ${ADMT_UNPARSED_ARGUMENTS}")
if(NOT "${ADMT_DEPENDS}" STREQUAL "")
foreach(target ${ADMT_TARGETS})
add_dependencies("${target}" ${ADMT_DEPENDS})
endforeach()
endif()
endfunction()
# Usage:
# _add_target_variant_c_compile_link_flags(
# SDK sdk
# ARCH arch
# BUILD_TYPE build_type
# ENABLE_LTO enable_lto
# ANALYZE_CODE_COVERAGE analyze_code_coverage
# RESULT_VAR_NAME result_var_name
# DEPLOYMENT_VERSION_OSX version # If provided, overrides the default value of the OSX deployment target set by the Swift project for this compilation only.
# DEPLOYMENT_VERSION_MACCATALYST version
# DEPLOYMENT_VERSION_IOS version
# DEPLOYMENT_VERSION_TVOS version
# DEPLOYMENT_VERSION_WATCHOS version
# DEPLOYMENT_VERSION_XROS version
#
# )
function(_add_target_variant_c_compile_link_flags)
set(oneValueArgs SDK ARCH BUILD_TYPE RESULT_VAR_NAME ENABLE_LTO ANALYZE_CODE_COVERAGE
DEPLOYMENT_VERSION_OSX DEPLOYMENT_VERSION_MACCATALYST DEPLOYMENT_VERSION_IOS DEPLOYMENT_VERSION_TVOS DEPLOYMENT_VERSION_WATCHOS
DEPLOYMENT_VERSION_XROS
MACCATALYST_BUILD_FLAVOR
)
cmake_parse_arguments(CFLAGS
""
"${oneValueArgs}"
""
${ARGN})
get_maccatalyst_build_flavor(maccatalyst_build_flavor
"${CFLAGS_SDK}" "${CFLAGS_MACCATALYST_BUILD_FLAVOR}")
set(result ${${CFLAGS_RESULT_VAR_NAME}})
if("${CFLAGS_SDK}" IN_LIST SWIFT_DARWIN_PLATFORMS)
# Check if there's a specific OS deployment version needed for this invocation
if("${CFLAGS_SDK}" STREQUAL "OSX")
if(DEFINED maccatalyst_build_flavor AND DEFINED CFLAGS_DEPLOYMENT_VERSION_MACCATALYST)
set(DEPLOYMENT_VERSION ${CFLAGS_DEPLOYMENT_VERSION_MACCATALYST})
else()
set(DEPLOYMENT_VERSION ${CFLAGS_DEPLOYMENT_VERSION_OSX})
endif()
elseif("${CFLAGS_SDK}" STREQUAL "IOS" OR "${CFLAGS_SDK}" STREQUAL "IOS_SIMULATOR")
set(DEPLOYMENT_VERSION ${CFLAGS_DEPLOYMENT_VERSION_IOS})
elseif("${CFLAGS_SDK}" STREQUAL "TVOS" OR "${CFLAGS_SDK}" STREQUAL "TVOS_SIMULATOR")
set(DEPLOYMENT_VERSION ${CFLAGS_DEPLOYMENT_VERSION_TVOS})
elseif("${CFLAGS_SDK}" STREQUAL "WATCHOS" OR "${CFLAGS_SDK}" STREQUAL "WATCHOS_SIMULATOR")
set(DEPLOYMENT_VERSION ${CFLAGS_DEPLOYMENT_VERSION_WATCHOS})
elseif("${CFLAGS_SDK}" STREQUAL "XROS" OR "${CFLAGS_SDK}" STREQUAL "XROS_SIMULATOR")
set(DEPLOYMENT_VERSION ${CFLAGS_DEPLOYMENT_VERSION_XROS})
endif()
if("${DEPLOYMENT_VERSION}" STREQUAL "")
set(DEPLOYMENT_VERSION "${SWIFT_SDK_${CFLAGS_SDK}_DEPLOYMENT_VERSION}")
endif()
endif()
if("${CFLAGS_SDK}" STREQUAL "ANDROID")
set(DEPLOYMENT_VERSION ${SWIFT_ANDROID_API_LEVEL})
endif()
# MSVC, clang-cl, gcc don't understand -target.
if(CMAKE_C_COMPILER_ID MATCHES "^Clang|AppleClang$" AND
NOT SWIFT_COMPILER_IS_MSVC_LIKE)
get_target_triple(target target_variant "${CFLAGS_SDK}" "${CFLAGS_ARCH}"
MACCATALYST_BUILD_FLAVOR "${maccatalyst_build_flavor}"
DEPLOYMENT_VERSION "${DEPLOYMENT_VERSION}")
list(APPEND result "-target" "${target}")
if(target_variant)
# Check if the C compiler supports `-target-variant` flag
# TODO (etcwilde): This is a massive hack to deal with the fact that we
# are lying to cmake about what compiler is being used. Normally we could
# use `check_compiler_flag(C ...)` here. Unfortunately, that uses a
# different compiler since we swap out the C/CXX compiler part way through
# the build.
file(WRITE "${CMAKE_BINARY_DIR}/stdlib/empty" "")
execute_process(
COMMAND
"${CMAKE_C_COMPILER}"
-Wno-unused-command-line-argument
-target-variant x86_64-apple-ios14.5-macabi -x c -c - -o /dev/null
INPUT_FILE
"${CMAKE_BINARY_DIR}/stdlib/empty"
OUTPUT_QUIET ERROR_QUIET
RESULT_VARIABLE
SUPPORTS_TARGET_VARIANT)
if(NOT SUPPORTS_TARGET_VARIANT)
list(APPEND result "-target-variant" "${target_variant}")
else()
list(APPEND result "-darwin-target-variant" "${target_variant}")
endif()
endif()
endif()
set(_sysroot "${SWIFT_SDK_${CFLAGS_SDK}_ARCH_${CFLAGS_ARCH}_PATH}")
if(SWIFT_SDK_${CFLAGS_SDK}_USE_ISYSROOT)
list(APPEND result "-isysroot" "${_sysroot}")
elseif(NOT SWIFT_COMPILER_IS_MSVC_LIKE AND NOT "${_sysroot}" STREQUAL "/")
list(APPEND result "--sysroot=${_sysroot}")
endif()
if("${CFLAGS_SDK}" STREQUAL "LINUX_STATIC")
list(APPEND result "-isystem" "${SWIFT_MUSL_PATH}/${CFLAGS_ARCH}/usr/include/c++/v1")
list(APPEND result "-DSWIFT_LIBC_IS_MUSL")
endif()
if("${CFLAGS_SDK}" STREQUAL "ANDROID")
# Make sure the Android NDK lld is used.
swift_android_tools_path(${CFLAGS_ARCH} tools_path)
list(APPEND result "-B" "${tools_path}")
endif()
if("${CFLAGS_SDK}" IN_LIST SWIFT_DARWIN_PLATFORMS)
# We collate -F with the framework path to avoid unwanted deduplication
# of options by target_compile_options -- this way no undesired
# side effects are introduced should a new search path be added.
list(APPEND result
"-F${SWIFT_SDK_${CFLAGS_SDK}_PATH}/../../../Developer/Library/Frameworks")
endif()
if(CFLAGS_ANALYZE_CODE_COVERAGE)
list(APPEND result "-fprofile-instr-generate"
"-fcoverage-mapping")
endif()
# Use frame pointers on Linux
if("${CFLAGS_SDK}" STREQUAL "LINUX")
list(APPEND result "-fno-omit-frame-pointer")
endif()
_compute_lto_flag("${CFLAGS_ENABLE_LTO}" _lto_flag_out)
if (_lto_flag_out)
list(APPEND result "${_lto_flag_out}")
# Disable opaque pointers in lto mode.
#list(APPEND result "-Xclang")
#list(APPEND result "-no-opaque-pointers")
endif()
set("${CFLAGS_RESULT_VAR_NAME}" "${result}" PARENT_SCOPE)
endfunction()
function(_add_target_variant_c_compile_flags)
set(oneValueArgs SDK ARCH BUILD_TYPE ENABLE_ASSERTIONS ANALYZE_CODE_COVERAGE
DEPLOYMENT_VERSION_OSX DEPLOYMENT_VERSION_MACCATALYST DEPLOYMENT_VERSION_IOS DEPLOYMENT_VERSION_TVOS DEPLOYMENT_VERSION_WATCHOS
DEPLOYMENT_VERSION_XROS
RESULT_VAR_NAME ENABLE_LTO
MACCATALYST_BUILD_FLAVOR)
cmake_parse_arguments(CFLAGS
""
"${oneValueArgs}"
""
${ARGN})
set(result ${${CFLAGS_RESULT_VAR_NAME}})
list(APPEND result
"-DSWIFT_RUNTIME"
"-DSWIFT_LIB_SUBDIR=\"${SWIFT_SDK_${CFLAGS_SDK}_LIB_SUBDIR}\""
"-DSWIFT_ARCH=\"${CFLAGS_ARCH}\""
)
if ("${CFLAGS_ARCH}" STREQUAL "arm64" OR
"${CFLAGS_ARCH}" STREQUAL "arm64_32")
if (SWIFT_ENABLE_GLOBAL_ISEL_ARM64)
list(APPEND result "-fglobal-isel")
endif()
endif()
_add_target_variant_c_compile_link_flags(
SDK "${CFLAGS_SDK}"
ARCH "${CFLAGS_ARCH}"
BUILD_TYPE "${CFLAGS_BUILD_TYPE}"
ENABLE_ASSERTIONS "${CFLAGS_ENABLE_ASSERTIONS}"
ENABLE_LTO "${CFLAGS_ENABLE_LTO}"
ANALYZE_CODE_COVERAGE FALSE
DEPLOYMENT_VERSION_OSX "${CFLAGS_DEPLOYMENT_VERSION_OSX}"
DEPLOYMENT_VERSION_MACCATALYST "${CFLAGS_DEPLOYMENT_VERSION_MACCATALYST}"
DEPLOYMENT_VERSION_IOS "${CFLAGS_DEPLOYMENT_VERSION_IOS}"
DEPLOYMENT_VERSION_TVOS "${CFLAGS_DEPLOYMENT_VERSION_TVOS}"
DEPLOYMENT_VERSION_WATCHOS "${CFLAGS_DEPLOYMENT_VERSION_WATCHOS}"
DEPLOYMENT_VERSION_XROS "${CFLAGS_DEPLOYMENT_VERSION_XROS}"
RESULT_VAR_NAME result
MACCATALYST_BUILD_FLAVOR "${CFLAGS_MACCATALYST_BUILD_FLAVOR}")
is_build_type_optimized("${CFLAGS_BUILD_TYPE}" optimized)
if(optimized)
if("${CFLAGS_BUILD_TYPE}" STREQUAL "MinSizeRel")
list(APPEND result "-Os")
else()
list(APPEND result "-O2")
endif()
# Omit leaf frame pointers on x86 production builds (optimized, no debug
# info, and no asserts).
is_build_type_with_debuginfo("${CFLAGS_BUILD_TYPE}" debug)
if(NOT debug AND NOT CFLAGS_ENABLE_ASSERTIONS)
if("${CFLAGS_ARCH}" STREQUAL "i386" OR "${CFLAGS_ARCH}" STREQUAL "i686")
if(NOT SWIFT_COMPILER_IS_MSVC_LIKE)
list(APPEND result "-momit-leaf-frame-pointer")
else()
list(APPEND result "/Oy")
endif()
endif()
endif()
else()
if(NOT SWIFT_COMPILER_IS_MSVC_LIKE)
list(APPEND result "-O0")
else()
list(APPEND result "/Od")
endif()
endif()
# CMake automatically adds the flags for debug info if we use MSVC/clang-cl.
if(NOT SWIFT_COMPILER_IS_MSVC_LIKE)
is_build_type_with_debuginfo("${CFLAGS_BUILD_TYPE}" debuginfo)
if(debuginfo)
_compute_lto_flag("${CFLAGS_ENABLE_LTO}" _lto_flag_out)
if(_lto_flag_out)
list(APPEND result "-gline-tables-only")
else()
list(APPEND result "-g")
endif()
elseif("${CFLAGS_BUILD_TYPE}" STREQUAL "MinSizeRel")
# MinSizeRel builds of stdlib (but not the compiler) should get debug info
list(APPEND result "-g")
else()
list(APPEND result "-g0")
endif()
endif()
if("${CFLAGS_SDK}" STREQUAL "WINDOWS")
# MSVC/clang-cl don't support -fno-pic or -fms-compatibility-version.
if(NOT SWIFT_COMPILER_IS_MSVC_LIKE)
list(APPEND result -fno-pic)
list(APPEND result "-fms-compatibility-version=1900")
endif()
list(APPEND result "-DLLVM_ON_WIN32")
list(APPEND result "-D_CRT_SECURE_NO_WARNINGS")
list(APPEND result "-D_CRT_NONSTDC_NO_WARNINGS")
list(APPEND result "-D_CRT_USE_BUILTIN_OFFSETOF")
# TODO(compnerd) permit building for different families
list(APPEND result "-D_CRT_USE_WINAPI_FAMILY_DESKTOP_APP")
if("${CFLAGS_ARCH}" MATCHES arm)
list(APPEND result "-D_ARM_WINAPI_PARTITION_DESKTOP_SDK_AVAILABLE")
endif()
list(APPEND result "-D_MT")
# TODO(compnerd) handle /MT
list(APPEND result "-D_DLL")
# NOTE: We assume that we are using VS 2015 U2+
list(APPEND result "-D_ENABLE_ATOMIC_ALIGNMENT_FIX")
# NOTE: We use over-aligned values for the RefCount side-table
# (see revision d913eefcc93f8c80d6d1a6de4ea898a2838d8b6f)
# This is required to build with VS2017 15.8+
list(APPEND result "-D_ENABLE_EXTENDED_ALIGNED_STORAGE=1")
# msvcprt's std::function requires RTTI, but we do not want RTTI data.
# Emulate /GR-.
# TODO(compnerd) when moving up to VS 2017 15.3 and newer, we can disable
# RTTI again
if(SWIFT_COMPILER_IS_MSVC_LIKE)
list(APPEND result /GR-)
else()
list(APPEND result -frtti)
list(APPEND result -Xclang;-fno-rtti-data)
endif()
# NOTE: VS 2017 15.3 introduced this to disable the static components of
# RTTI as well. This requires a newer SDK though and we do not have
# guarantees on the SDK version currently.
list(APPEND result "-D_HAS_STATIC_RTTI=0")
# NOTE(compnerd) workaround LLVM invoking `add_definitions(-D_DEBUG)` which
# causes failures for the runtime library when cross-compiling due to
# undefined symbols from the standard library.
if(NOT CMAKE_BUILD_TYPE STREQUAL "Debug")
list(APPEND result "-U_DEBUG")
endif()
endif()
# The concurrency library uses double-word atomics. MSVC's std::atomic
# uses a spin lock for this, so to get reasonable behavior we have to
# implement it ourselves using _InterlockedCompareExchange128.
# clang-cl requires us to enable the `cx16` feature to use this intrinsic.
if(CFLAGS_ARCH STREQUAL "x86_64")
if(SWIFT_COMPILER_IS_MSVC_LIKE)
list(APPEND result /clang:-mcx16)
else()
list(APPEND result -mcx16)
endif()
endif()
if(CFLAGS_ENABLE_ASSERTIONS)
list(APPEND result "-UNDEBUG")
else()
list(APPEND result "-DNDEBUG")
endif()
if(SWIFT_ENABLE_RUNTIME_FUNCTION_COUNTERS)
list(APPEND result "-DSWIFT_ENABLE_RUNTIME_FUNCTION_COUNTERS")
endif()
if(CFLAGS_ANALYZE_CODE_COVERAGE)
list(APPEND result "-fprofile-instr-generate"
"-fcoverage-mapping")
endif()
# Use frame pointers on Linux
if("${CFLAGS_SDK}" STREQUAL "LINUX")
list(APPEND result "-fno-omit-frame-pointer")
endif()
if((CFLAGS_ARCH STREQUAL "armv7" OR CFLAGS_ARCH STREQUAL "aarch64") AND
(CFLAGS_SDK STREQUAL "LINUX" OR CFLAGS_SDK STREQUAL "ANDROID"))
list(APPEND result -funwind-tables)
endif()
if("${CFLAGS_SDK}" STREQUAL "LINUX")
if("${CFLAGS_ARCH}" STREQUAL "x86_64")
# this is the minimum architecture that supports 16 byte CAS, which is necessary to avoid a dependency to libatomic
list(APPEND result "-march=core2")
endif()
endif()
if("${CFLAGS_SDK}" STREQUAL "WASI")
list(APPEND result "-D_WASI_EMULATED_MMAN" "-D_WASI_EMULATED_PROCESS_CLOCKS" "-D_WASI_EMULATED_SIGNAL")
endif()
if(NOT SWIFT_STDLIB_ENABLE_OBJC_INTEROP)
list(APPEND result "-DSWIFT_OBJC_INTEROP=0")
endif()
if(SWIFT_STDLIB_COMPACT_ABSOLUTE_FUNCTION_POINTER)
list(APPEND result "-DSWIFT_COMPACT_ABSOLUTE_FUNCTION_POINTER=1")
endif()
if(SWIFT_STDLIB_STABLE_ABI)
list(APPEND result "-DSWIFT_LIBRARY_EVOLUTION=1")
else()
list(APPEND result "-DSWIFT_LIBRARY_EVOLUTION=0")
endif()
if(SWIFT_STDLIB_SUPPORT_BACK_DEPLOYMENT)
list(APPEND result "-DSWIFT_STDLIB_SUPPORT_BACK_DEPLOYMENT")
endif()
if(SWIFT_ENABLE_REFLECTION)
list(APPEND result "-DSWIFT_ENABLE_REFLECTION")
endif()
if(SWIFT_STDLIB_HAS_DLADDR)
list(APPEND result "-DSWIFT_STDLIB_HAS_DLADDR")
endif()
if(SWIFT_STDLIB_HAS_DLSYM)
list(APPEND result "-DSWIFT_STDLIB_HAS_DLSYM=1")
else()
list(APPEND result "-DSWIFT_STDLIB_HAS_DLSYM=0")
endif()
if(SWIFT_STDLIB_HAS_FILESYSTEM)
list(APPEND result "-DSWIFT_STDLIB_HAS_FILESYSTEM")
endif()
if(SWIFT_RUNTIME_STATIC_IMAGE_INSPECTION)
list(APPEND result "-DSWIFT_RUNTIME_STATIC_IMAGE_INSPECTION")
endif()
if(SWIFT_STDLIB_HAS_DARWIN_LIBMALLOC)
list(APPEND result "-DSWIFT_STDLIB_HAS_DARWIN_LIBMALLOC=1")
else()
list(APPEND result "-DSWIFT_STDLIB_HAS_DARWIN_LIBMALLOC=0")
endif()
if(SWIFT_STDLIB_HAS_ASL)
list(APPEND result "-DSWIFT_STDLIB_HAS_ASL")
endif()
if(SWIFT_STDLIB_HAS_STDIN)
list(APPEND result "-DSWIFT_STDLIB_HAS_STDIN")
endif()
if(SWIFT_STDLIB_HAS_ENVIRON)
list(APPEND result "-DSWIFT_STDLIB_HAS_ENVIRON")
endif()
if(SWIFT_STDLIB_HAS_LOCALE)
list(APPEND result "-DSWIFT_STDLIB_HAS_LOCALE")
endif()
if(SWIFT_STDLIB_SINGLE_THREADED_CONCURRENCY)
list(APPEND result "-DSWIFT_STDLIB_SINGLE_THREADED_CONCURRENCY")
endif()
if(SWIFT_STDLIB_TASK_TO_THREAD_MODEL_CONCURRENCY)
list(APPEND result "-DSWIFT_STDLIB_TASK_TO_THREAD_MODEL_CONCURRENCY")
endif()
if (SWIFT_CONCURRENCY_USES_DISPATCH)
list(APPEND result "-DSWIFT_CONCURRENCY_USES_DISPATCH")
endif()
string(TOUPPER "${SWIFT_SDK_${CFLAGS_SDK}_THREADING_PACKAGE}" _threading_package)
list(APPEND result "-DSWIFT_THREADING_${_threading_package}")
if(SWIFT_STDLIB_OS_VERSIONING)
list(APPEND result "-DSWIFT_RUNTIME_OS_VERSIONING")
endif()
if(SWIFT_STDLIB_PASSTHROUGH_METADATA_ALLOCATOR)
list(APPEND result "-DSWIFT_STDLIB_PASSTHROUGH_METADATA_ALLOCATOR")
endif()
if(SWIFT_STDLIB_SHORT_MANGLING_LOOKUPS)
list(APPEND result "-DSWIFT_STDLIB_SHORT_MANGLING_LOOKUPS")
endif()
if(SWIFT_STDLIB_ENABLE_VECTOR_TYPES)
list(APPEND result "-DSWIFT_STDLIB_ENABLE_VECTOR_TYPES")
endif()
if(SWIFT_STDLIB_HAS_TYPE_PRINTING)
list(APPEND result "-DSWIFT_STDLIB_HAS_TYPE_PRINTING")
endif()
if(SWIFT_STDLIB_SUPPORTS_BACKTRACE_REPORTING)
list(APPEND result "-DSWIFT_STDLIB_SUPPORTS_BACKTRACE_REPORTING")
endif()
if(SWIFT_STDLIB_ENABLE_UNICODE_DATA)
list(APPEND result "-DSWIFT_STDLIB_ENABLE_UNICODE_DATA")
endif()
if(SWIFT_STDLIB_TRACING)
list(APPEND result "-DSWIFT_STDLIB_TRACING")
endif()
if(SWIFT_STDLIB_CONCURRENCY_TRACING)
list(APPEND result "-DSWIFT_STDLIB_CONCURRENCY_TRACING")
endif()
if(SWIFT_STDLIB_USE_RELATIVE_PROTOCOL_WITNESS_TABLES)
list(APPEND result "-DSWIFT_STDLIB_USE_RELATIVE_PROTOCOL_WITNESS_TABLES")
endif()
if(SWIFT_STDLIB_USE_FRAGILE_RESILIENT_PROTOCOL_WITNESS_TABLES)
list(APPEND result "-DSWIFT_STDLIB_USE_FRAGILE_RESILIENT_PROTOCOL_WITNESS_TABLES")
endif()
if(SWIFT_STDLIB_OVERRIDABLE_RETAIN_RELEASE)
list(APPEND result "-DSWIFT_STDLIB_OVERRIDABLE_RETAIN_RELEASE")
endif()
if(SWIFT_USE_OS_TRACE_LAZY_INIT)
list(APPEND result "-DSWIFT_USE_OS_TRACE_LAZY_INIT")
endif()
list(APPEND result ${SWIFT_STDLIB_EXTRA_C_COMPILE_FLAGS})
set("${CFLAGS_RESULT_VAR_NAME}" "${result}" PARENT_SCOPE)
endfunction()
function(_add_target_variant_link_flags)
set(oneValueArgs SDK ARCH BUILD_TYPE ENABLE_ASSERTIONS ANALYZE_CODE_COVERAGE
DEPLOYMENT_VERSION_OSX DEPLOYMENT_VERSION_MACCATALYST DEPLOYMENT_VERSION_IOS DEPLOYMENT_VERSION_TVOS DEPLOYMENT_VERSION_WATCHOS
DEPLOYMENT_VERSION_XROS
RESULT_VAR_NAME ENABLE_LTO LTO_OBJECT_NAME LINK_LIBRARIES_VAR_NAME LIBRARY_SEARCH_DIRECTORIES_VAR_NAME
MACCATALYST_BUILD_FLAVOR
)
cmake_parse_arguments(LFLAGS
""
"${oneValueArgs}"
""
${ARGN})
precondition(LFLAGS_SDK MESSAGE "Should specify an SDK")
precondition(LFLAGS_ARCH MESSAGE "Should specify an architecture")
set(result ${${LFLAGS_RESULT_VAR_NAME}})
set(link_libraries ${${LFLAGS_LINK_LIBRARIES_VAR_NAME}})
set(library_search_directories ${${LFLAGS_LIBRARY_SEARCH_DIRECTORIES_VAR_NAME}})
_add_target_variant_c_compile_link_flags(
SDK "${LFLAGS_SDK}"
ARCH "${LFLAGS_ARCH}"
BUILD_TYPE "${LFLAGS_BUILD_TYPE}"
ENABLE_ASSERTIONS "${LFLAGS_ENABLE_ASSERTIONS}"
ENABLE_LTO "${LFLAGS_ENABLE_LTO}"
ANALYZE_CODE_COVERAGE "${LFLAGS_ANALYZE_CODE_COVERAGE}"
DEPLOYMENT_VERSION_OSX "${LFLAGS_DEPLOYMENT_VERSION_OSX}"
DEPLOYMENT_VERSION_MACCATALYST "${LFLAGS_DEPLOYMENT_VERSION_MACCATALYST}"
DEPLOYMENT_VERSION_IOS "${LFLAGS_DEPLOYMENT_VERSION_IOS}"
DEPLOYMENT_VERSION_TVOS "${LFLAGS_DEPLOYMENT_VERSION_TVOS}"
DEPLOYMENT_VERSION_WATCHOS "${LFLAGS_DEPLOYMENT_VERSION_WATCHOS}"
DEPLOYMENT_VERSION_XROS "${LFLAGS_DEPLOYMENT_VERSION_XROS}"
RESULT_VAR_NAME result
MACCATALYST_BUILD_FLAVOR "${LFLAGS_MACCATALYST_BUILD_FLAVOR}")
if("${LFLAGS_SDK}" STREQUAL "LINUX")
list(APPEND link_libraries "pthread" "dl")
if("${LFLAGS_ARCH}" MATCHES "armv5|armv6|armv7|i686")
list(APPEND link_libraries "atomic")
endif()
elseif("${LFLAGS_SDK}" STREQUAL "LINUX_STATIC")
list(APPEND link_libraries "pthread" "dl")
elseif("${LFLAGS_SDK}" STREQUAL "FREEBSD")
list(APPEND link_libraries "pthread")
elseif("${LFLAGS_SDK}" STREQUAL "OPENBSD")
list(APPEND link_libraries "pthread")
list(APPEND result "-Wl,-Bsymbolic")
elseif("${LFLAGS_SDK}" STREQUAL "CYGWIN")
# No extra libraries required.
elseif("${LFLAGS_SDK}" STREQUAL "WINDOWS")
# We don't need to add -nostdlib using MSVC or clang-cl, as MSVC and clang-cl rely on auto-linking entirely.
if(NOT SWIFT_COMPILER_IS_MSVC_LIKE)
# NOTE: we do not use "/MD" or "/MDd" and select the runtime via linker
# options. This causes conflicts.
list(APPEND result "-nostdlib")
endif()
if(NOT CMAKE_HOST_SYSTEM MATCHES Windows)
swift_windows_lib_for_arch(${LFLAGS_ARCH} ${LFLAGS_ARCH}_LIB)
list(APPEND library_search_directories ${${LFLAGS_ARCH}_LIB})
endif()
# NOTE(compnerd) workaround incorrectly extensioned import libraries from
# the Windows SDK on case sensitive file systems.
list(APPEND library_search_directories
${CMAKE_BINARY_DIR}/winsdk_lib_${LFLAGS_ARCH}_symlinks)
elseif("${LFLAGS_SDK}" STREQUAL "HAIKU")
list(APPEND link_libraries "bsd")
list(APPEND result "-Wl,-Bsymbolic")
elseif("${LFLAGS_SDK}" STREQUAL "ANDROID")
list(APPEND link_libraries "dl" "log")
# We need to add the math library, which is linked implicitly by libc++
list(APPEND result "-lm")
if(NOT CMAKE_HOST_SYSTEM MATCHES Windows AND NOT "${SWIFT_ANDROID_NDK_PATH}" STREQUAL "")
# The Android resource dir is specified from build.ps1 on windows.
if(EXISTS "${SWIFT_ANDROID_NDK_PATH}/source.properties")
file(READ "${SWIFT_ANDROID_NDK_PATH}/source.properties" NDK_VERSION)
if(NOT NDK_VERSION MATCHES "Pkg\\.Revision = ([0-9\\.]+)")
message(FATAL_ERROR "Could not find NDK version in source.properties: ${NDK_VERSION}")
endif()
if("${CMAKE_MATCH_1}" VERSION_GREATER_EQUAL "26")
file(GLOB RESOURCE_DIR ${SWIFT_SDK_ANDROID_ARCH_${LFLAGS_ARCH}_PATH}/../lib/clang/*)
else()
file(GLOB RESOURCE_DIR ${SWIFT_SDK_ANDROID_ARCH_${LFLAGS_ARCH}_PATH}/../lib64/clang/*)
endif()
list(APPEND result "-resource-dir=${RESOURCE_DIR}")
else()
message(FATAL_ERROR "Could not detect NDK version: ${SWIFT_ANDROID_NDK_PATH}/source.properties not found")
endif()
endif()
# link against the custom C++ library
swift_android_cxx_libraries_for_arch(${LFLAGS_ARCH} cxx_link_libraries)
list(APPEND link_libraries ${cxx_link_libraries})
else()
# If lto is enabled, we need to add the object path flag so that the LTO code
# generator leaves the intermediate object file in a place where it will not
# be touched. The reason why this must be done is that on OS X, debug info is
# left in object files. So if the object file is removed when we go to
# generate a dsym, the debug info is gone.
if (LFLAGS_ENABLE_LTO)
precondition(LFLAGS_LTO_OBJECT_NAME
MESSAGE "Should specify a unique name for the lto object")
set(lto_object_dir ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR})
set(lto_object ${lto_object_dir}/${LFLAGS_LTO_OBJECT_NAME}-lto.o)
list(APPEND result "-Wl,-object_path_lto,${lto_object}")
endif()
endif()
if(SWIFT_USE_LINKER AND NOT SWIFT_COMPILER_IS_MSVC_LIKE)
# The linker is normally chosen based on the host, but the Android NDK only
# uses lld now.
if("${LFLAGS_SDK}" STREQUAL "ANDROID")
set(linker "lld")
else()
set(linker "${SWIFT_USE_LINKER}")
endif()
if(CMAKE_HOST_SYSTEM_NAME STREQUAL "Windows")
list(APPEND result "-fuse-ld=${linker}.exe")
else()
list(APPEND result "-fuse-ld=${linker}")
endif()
endif()
# Enable build-ids on non-Windows non-Darwin platforms
if(SWIFT_SDK_${LFLAGS_SDK}_USE_BUILD_ID)
list(APPEND result "-Wl,--build-id=sha1")
endif()
# Enable dead stripping. Portions of this logic were copied from llvm's
# `add_link_opts` function (which, perhaps, should have been used here in the
# first place, but at this point it's hard to say whether that's feasible).
#
# TODO: Evaluate/enable -f{function,data}-sections --gc-sections for bfd,
# gold, and lld.
if(NOT CMAKE_BUILD_TYPE STREQUAL "Debug")
if(CMAKE_SYSTEM_NAME MATCHES "Darwin")
# See rdar://48283130: This gives 6MB+ size reductions for swift and
# SourceKitService, and much larger size reductions for sil-opt etc.
list(APPEND result "-Wl,-dead_strip")
endif()
endif()
get_maccatalyst_build_flavor(maccatalyst_build_flavor
"${LFLAGS_SDK}" "${LFLAGS_MACCATALYST_BUILD_FLAVOR}")
set("${LFLAGS_RESULT_VAR_NAME}" "${result}" PARENT_SCOPE)
set("${LFLAGS_LINK_LIBRARIES_VAR_NAME}" "${link_libraries}" PARENT_SCOPE)
set("${LFLAGS_LIBRARY_SEARCH_DIRECTORIES_VAR_NAME}" "${library_search_directories}" PARENT_SCOPE)
endfunction()
# Add a universal binary target created from the output of the given
# set of targets by running 'lipo'.
#
# Usage:
# _add_swift_lipo_target(
# sdk # The name of the SDK the target was created for.
# # Examples include "OSX", "IOS", "ANDROID", etc.
# target # The name of the target to create
# output # The file to be created by this target
# source_targets... # The source targets whose outputs will be
# # lipo'd into the output.
# )
function(_add_swift_lipo_target)
cmake_parse_arguments(
LIPO # prefix
"CODESIGN" # options
"SDK;TARGET;OUTPUT" # single-value args
"" # multi-value args
${ARGN})
precondition(LIPO_SDK MESSAGE "sdk is required")
precondition(LIPO_TARGET MESSAGE "target is required")
precondition(LIPO_OUTPUT MESSAGE "output is required")
precondition(LIPO_UNPARSED_ARGUMENTS MESSAGE "one or more inputs are required")
set(source_targets ${LIPO_UNPARSED_ARGUMENTS})
# Gather the source binaries.
set(source_binaries)
foreach(source_target ${source_targets})
list(APPEND source_binaries $<TARGET_FILE:${source_target}>)
endforeach()
if("${SWIFT_SDK_${LIPO_SDK}_OBJECT_FORMAT}" STREQUAL "MACHO")
if(LIPO_CODESIGN)
set(codesign_command COMMAND "codesign" "-f" "-s" "-" "${LIPO_OUTPUT}")
endif()
set(lipo_lto_env)
# When lipo-ing LTO-based libraries with lipo on Darwin, the tool uses
# libLTO.dylib to inspect the bitcode files. However, by default the "host"
# libLTO.dylib is loaded, which might be too old and not understand the
# just-built bitcode format. Let's ask lipo to use the just-built
# libLTO.dylib from the toolchain that we're using to build.
if(APPLE AND SWIFT_NATIVE_CLANG_TOOLS_PATH)
set(lipo_lto_env "LIBLTO_PATH=${SWIFT_NATIVE_CLANG_TOOLS_PATH}/../lib/libLTO.dylib")
endif()
# Use lipo to create the final binary.
add_custom_command_target(unused_var
COMMAND "${CMAKE_COMMAND}" "-E" "env" ${lipo_lto_env} "${SWIFT_LIPO}" "-create" "-output" "${LIPO_OUTPUT}" ${source_binaries}
${codesign_command}
CUSTOM_TARGET_NAME "${LIPO_TARGET}"
OUTPUT "${LIPO_OUTPUT}"
DEPENDS ${source_targets})
else()
# We don't know how to create fat binaries for other platforms.
add_custom_command_target(unused_var
COMMAND "${CMAKE_COMMAND}" "-E" "copy" "${source_binaries}" "${LIPO_OUTPUT}"
CUSTOM_TARGET_NAME "${LIPO_TARGET}"
OUTPUT "${LIPO_OUTPUT}"
DEPENDS ${source_targets})
endif()
endfunction()
# Add a single variant of a new Swift library.
#
# Usage:
# add_swift_target_library_single(
# target
# name
# [MODULE_TARGETS]
# [SHARED]
# [STATIC]
# [SDK sdk]
# [ARCHITECTURE architecture]
# [DEPENDS dep1 ...]
# [LINK_LIBRARIES dep1 ...]
# [FRAMEWORK_DEPENDS dep1 ...]
# [FRAMEWORK_DEPENDS_WEAK dep1 ...]
# [C_COMPILE_FLAGS flag1...]
# [SWIFT_COMPILE_FLAGS flag1...]
# [LINK_FLAGS flag1...]
# [FILE_DEPENDS target1 ...]
# [DONT_EMBED_BITCODE]
# [IS_STDLIB]
# [IS_STDLIB_CORE]
# [ONLY_SWIFTMODULE]
# [NO_SWIFTMODULE]
# [IS_SDK_OVERLAY]
# [IS_FRAGILE]
# INSTALL_IN_COMPONENT comp
# MACCATALYST_BUILD_FLAVOR flavor
# source1 [source2 source3 ...])
#
# target
# Name of the target (e.g., swiftParse-IOS-armv7).
#
# name
# Name of the library (e.g., swiftParse).
#
# MODULE_TARGETS
# Names of the module target (e.g., swiftParse-swiftmodule-IOS-armv7).
#
# SHARED
# Build a shared library.
#
# STATIC
# Build a static library.
#
# SDK sdk
# SDK to build for.
#
# ARCHITECTURE
# Architecture to build for.
#
# DEPENDS
# Targets that this library depends on.
#
# LINK_LIBRARIES
# Libraries this library depends on.
#
# FRAMEWORK_DEPENDS
# System frameworks this library depends on.
#
# FRAMEWORK_DEPENDS_WEAK
# System frameworks this library depends on that should be weakly-linked.
#
# C_COMPILE_FLAGS
# Extra compile flags (C, C++, ObjC).
#
# SWIFT_COMPILE_FLAGS
# Extra compile flags (Swift).
#
# LINK_FLAGS
# Extra linker flags.
#
# FILE_DEPENDS
# Additional files this library depends on.
#
# DONT_EMBED_BITCODE
# Don't embed LLVM bitcode in this target, even if it is enabled globally.
#
# IS_STDLIB
# Install library dylib and swift module files to lib/swift.
#
# IS_STDLIB_CORE
# Compile as the standard library core.
#
# ONLY_SWIFTMODULE
# Do not build either static or shared, build just the .swiftmodule.
#
# NO_SWIFTMODULE
# Only build either static or shared, and skip the .swiftmodule.
#
# IS_SDK_OVERLAY
# Treat the library as a part of the Swift SDK overlay.
#
# INSTALL_IN_COMPONENT comp
# The Swift installation component that this library belongs to.
#
# MACCATALYST_BUILD_FLAVOR
# Possible values are 'ios-like', 'macos-like', 'zippered', 'unzippered-twin'
# IS_FRAGILE
# Disable library evolution even
# if this library is part of the SDK.
#
# source1 ...
# Sources to add into this library
function(add_swift_target_library_single target name)
set(SWIFTLIB_SINGLE_options
DONT_EMBED_BITCODE
IS_SDK_OVERLAY
IS_STDLIB
IS_STDLIB_CORE
NOSWIFTRT
OBJECT_LIBRARY
SHARED
STATIC
ONLY_SWIFTMODULE
NO_SWIFTMODULE
NO_LINK_NAME
INSTALL_WITH_SHARED
IS_FRAGILE)
set(SWIFTLIB_SINGLE_single_parameter_options
ARCHITECTURE
DEPLOYMENT_VERSION_IOS
DEPLOYMENT_VERSION_OSX
DEPLOYMENT_VERSION_TVOS
DEPLOYMENT_VERSION_WATCHOS
DEPLOYMENT_VERSION_XROS
INSTALL_IN_COMPONENT
DARWIN_INSTALL_NAME_DIR
SDK
DEPLOYMENT_VERSION_MACCATALYST
MACCATALYST_BUILD_FLAVOR
BACK_DEPLOYMENT_LIBRARY
ENABLE_LTO
MODULE_DIR
BOOTSTRAPPING
INSTALL_BINARY_SWIFTMODULE)
set(SWIFTLIB_SINGLE_multiple_parameter_options
C_COMPILE_FLAGS
DEPENDS
FILE_DEPENDS
FRAMEWORK_DEPENDS
FRAMEWORK_DEPENDS_WEAK
GYB_SOURCES
INCORPORATE_OBJECT_LIBRARIES
INCORPORATE_OBJECT_LIBRARIES_SHARED_ONLY
LINK_FLAGS
LINK_LIBRARIES
PRIVATE_LINK_LIBRARIES
PREFIX_INCLUDE_DIRS
SWIFT_COMPILE_FLAGS
MODULE_TARGETS)
cmake_parse_arguments(SWIFTLIB_SINGLE
"${SWIFTLIB_SINGLE_options}"
"${SWIFTLIB_SINGLE_single_parameter_options}"
"${SWIFTLIB_SINGLE_multiple_parameter_options}"
${ARGN})
translate_flag(${SWIFTLIB_SINGLE_STATIC} "STATIC"
SWIFTLIB_SINGLE_STATIC_keyword)
translate_flag(${SWIFTLIB_SINGLE_NO_LINK_NAME} "NO_LINK_NAME"
SWIFTLIB_SINGLE_NO_LINK_NAME_keyword)
if(DEFINED SWIFTLIB_SINGLE_BOOTSTRAPPING)
set(BOOTSTRAPPING_arg "BOOTSTRAPPING" ${SWIFTLIB_SINGLE_BOOTSTRAPPING})
endif()
get_bootstrapping_path(out_bin_dir
${SWIFT_RUNTIME_OUTPUT_INTDIR} "${SWIFTLIB_SINGLE_BOOTSTRAPPING}")
get_bootstrapping_path(out_lib_dir
${SWIFT_LIBRARY_OUTPUT_INTDIR} "${SWIFTLIB_SINGLE_BOOTSTRAPPING}")
get_bootstrapping_path(lib_dir
${SWIFTLIB_DIR} "${SWIFTLIB_SINGLE_BOOTSTRAPPING}")
get_bootstrapping_path(static_lib_dir
${SWIFTSTATICLIB_DIR} "${SWIFTLIB_SINGLE_BOOTSTRAPPING}")
# Determine macCatalyst build flavor
get_maccatalyst_build_flavor(maccatalyst_build_flavor
"${SWIFTLIB_SINGLE_SDK}" "${SWIFTLIB_SINGLE_MACCATALYST_BUILD_FLAVOR}")
set(SWIFTLIB_SINGLE_SOURCES ${SWIFTLIB_SINGLE_UNPARSED_ARGUMENTS})
translate_flags(SWIFTLIB_SINGLE "${SWIFTLIB_SINGLE_options}")
# Check arguments.
precondition(SWIFTLIB_SINGLE_SDK MESSAGE "Should specify an SDK")
precondition(SWIFTLIB_SINGLE_ARCHITECTURE MESSAGE "Should specify an architecture")
precondition(SWIFTLIB_SINGLE_INSTALL_IN_COMPONENT MESSAGE "INSTALL_IN_COMPONENT is required")
if(NOT SWIFTLIB_SINGLE_SHARED AND
NOT SWIFTLIB_SINGLE_STATIC AND
NOT SWIFTLIB_SINGLE_OBJECT_LIBRARY AND
NOT SWIFTLIB_SINGLE_ONLY_SWIFTMODULE)
message(FATAL_ERROR
"Either SHARED, STATIC, or OBJECT_LIBRARY must be specified")
endif()
if(NOT DEFINED SWIFTLIB_INSTALL_BINARY_SWIFTMODULE)
set(SWIFTLIB_INSTALL_BINARY_SWIFTMODULE TRUE)
endif()
# Determine the subdirectory where this library will be installed.
set(SWIFTLIB_SINGLE_SUBDIR
"${SWIFT_SDK_${SWIFTLIB_SINGLE_SDK}_LIB_SUBDIR}/${SWIFTLIB_SINGLE_ARCHITECTURE}")
# macCatalyst ios-like builds are installed in the maccatalyst/x86_64 directory
if(maccatalyst_build_flavor STREQUAL "ios-like")
set(SWIFTLIB_SINGLE_SUBDIR
"${SWIFT_SDK_MACCATALYST_LIB_SUBDIR}/${SWIFTLIB_SINGLE_ARCHITECTURE}")
endif()
if ("${SWIFTLIB_SINGLE_BOOTSTRAPPING}" STREQUAL "")
set(output_sub_dir ${SWIFTLIB_SINGLE_SUBDIR})
else()
# In the bootstrapping builds, we only have the single host architecture.
# So generated the library directly in the parent SDK specific directory
# (avoiding to lipo/copy the library).
set(output_sub_dir ${SWIFT_SDK_${SWIFTLIB_SINGLE_SDK}_LIB_SUBDIR})
endif()
# Include LLVM Bitcode slices for iOS, Watch OS, and Apple TV OS device libraries.
set(embed_bitcode_arg)
if(SWIFT_EMBED_BITCODE_SECTION AND NOT SWIFTLIB_SINGLE_DONT_EMBED_BITCODE)
if("${SWIFTLIB_SINGLE_SDK}" STREQUAL "IOS" OR
"${SWIFTLIB_SINGLE_SDK}" STREQUAL "TVOS" OR
"${SWIFTLIB_SINGLE_SDK}" STREQUAL "XROS" OR
"${SWIFTLIB_SINGLE_SDK}" STREQUAL "WATCHOS")
list(APPEND SWIFTLIB_SINGLE_C_COMPILE_FLAGS "-fembed-bitcode")
set(embed_bitcode_arg EMBED_BITCODE)
endif()
endif()
# FIXME: swiftDarwin and swiftDifferentiationUnittest currently trip an assertion in SymbolGraphGen
if (SWIFTLIB_IS_STDLIB AND SWIFT_STDLIB_BUILD_SYMBOL_GRAPHS AND NOT ${name} STREQUAL "swiftDarwin"
AND NOT ${name} STREQUAL "swiftDifferentiationUnittest")
list(APPEND SWIFTLIB_SINGLE_SWIFT_COMPILE_FLAGS "-Xfrontend;-emit-symbol-graph")
list(APPEND SWIFTLIB_SINGLE_SWIFT_COMPILE_FLAGS
"-Xfrontend;-emit-symbol-graph-dir;-Xfrontend;${out_lib_dir}/symbol-graph/${VARIANT_NAME}")
list(APPEND SWIFTLIB_SINGLE_SWIFT_COMPILE_FLAGS
"-Xfrontend;-symbol-graph-allow-availability-platforms;-Xfrontend;Swift")
endif()
if(MODULE)
set(libkind MODULE)
elseif(SWIFTLIB_SINGLE_OBJECT_LIBRARY)
set(libkind OBJECT)
# If both SHARED and STATIC are specified, we add the SHARED library first.
# The STATIC library is handled further below.
elseif(SWIFTLIB_SINGLE_SHARED)
set(libkind SHARED)
elseif(SWIFTLIB_SINGLE_STATIC)
set(libkind STATIC)
elseif(SWIFTLIB_SINGLE_ONLY_SWIFTMODULE)
set(libkind NONE)
else()
message(FATAL_ERROR
"Either SHARED, STATIC, or OBJECT_LIBRARY must be specified")
endif()
if(SWIFTLIB_SINGLE_GYB_SOURCES)
handle_gyb_sources(
gyb_dependency_targets
SWIFTLIB_SINGLE_GYB_SOURCES
ARCH "${SWIFTLIB_SINGLE_ARCHITECTURE}")
set(SWIFTLIB_SINGLE_SOURCES ${SWIFTLIB_SINGLE_SOURCES}
${SWIFTLIB_SINGLE_GYB_SOURCES})
endif()
# Remove the "swift" prefix from the name to determine the module name.
if(SWIFTLIB_SINGLE_IS_STDLIB_CORE)
set(module_name "Swift")
else()
string(REPLACE swift "" module_name "${name}")
endif()
if("${SWIFTLIB_SINGLE_SDK}" STREQUAL "WINDOWS")
if(NOT "${CMAKE_C_COMPILER_ID}" STREQUAL "MSVC")
swift_windows_get_sdk_vfs_overlay(SWIFTLIB_SINGLE_VFS_OVERLAY)
list(APPEND SWIFTLIB_SINGLE_SWIFT_COMPILE_FLAGS
-Xcc;-Xclang;-Xcc;-ivfsoverlay;-Xcc;-Xclang;-Xcc;${SWIFTLIB_SINGLE_VFS_OVERLAY})
endif()
list(APPEND SWIFTLIB_SINGLE_SWIFT_COMPILE_FLAGS
-vfsoverlay;"${SWIFT_WINDOWS_VFS_OVERLAY}";-Xfrontend;-strict-implicit-module-context;-Xcc;-Xclang;-Xcc;-fbuiltin-headers-in-system-modules)
if(NOT CMAKE_HOST_SYSTEM MATCHES Windows)
swift_windows_include_for_arch(${SWIFTLIB_SINGLE_ARCHITECTURE} SWIFTLIB_INCLUDE)
foreach(directory ${SWIFTLIB_INCLUDE})
list(APPEND SWIFTLIB_SINGLE_SWIFT_COMPILE_FLAGS -Xcc;-isystem;-Xcc;${directory})
endforeach()
endif()
if("${SWIFTLIB_SINGLE_ARCHITECTURE}" MATCHES arm)
list(APPEND SWIFTLIB_SINGLE_SWIFT_COMPILE_FLAGS -Xcc;-D_ARM_WINAPI_PARTITION_DESKTOP_SDK_AVAILABLE)
endif()
list(APPEND SWIFTLIB_SINGLE_SWIFT_COMPILE_FLAGS
-libc;${SWIFT_STDLIB_MSVC_RUNTIME_LIBRARY})
endif()
# Define availability macros.
foreach(def ${SWIFT_STDLIB_AVAILABILITY_DEFINITIONS})