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AddSwiftStdlib.cmake
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include(AddSwift)
include(SwiftSource)
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}" ${ADMT_DEPENDS})
endforeach()
endif()
endfunction()
# Usage:
# _add_target_variant_c_compile_link_flags(
# SDK sdk
# ARCH arch
# BUILD_TYPE build_type
# ENABLE_LTO enable_lto
# ANALYZE_CODE_COVERAGE analyze_code_coverage
# RESULT_VAR_NAME result_var_name
# DEPLOYMENT_VERSION_OSX version # If provided, overrides the default value of the OSX deployment target set by the Swift project for this compilation only.
# DEPLOYMENT_VERSION_MACCATALYST version
# DEPLOYMENT_VERSION_IOS version
# DEPLOYMENT_VERSION_TVOS version
# DEPLOYMENT_VERSION_WATCHOS version
#
# )
function(_add_target_variant_c_compile_link_flags)
set(oneValueArgs SDK ARCH BUILD_TYPE RESULT_VAR_NAME ENABLE_LTO ANALYZE_CODE_COVERAGE
DEPLOYMENT_VERSION_OSX DEPLOYMENT_VERSION_MACCATALYST DEPLOYMENT_VERSION_IOS DEPLOYMENT_VERSION_TVOS DEPLOYMENT_VERSION_WATCHOS
MACCATALYST_BUILD_FLAVOR
)
cmake_parse_arguments(CFLAGS
""
"${oneValueArgs}"
""
${ARGN})
get_maccatalyst_build_flavor(maccatalyst_build_flavor
"${CFLAGS_SDK}" "${CFLAGS_MACCATALYST_BUILD_FLAVOR}")
set(result ${${CFLAGS_RESULT_VAR_NAME}})
is_darwin_based_sdk("${CFLAGS_SDK}" IS_DARWIN)
if(IS_DARWIN)
# Check if there's a specific OS deployment version needed for this invocation
if("${CFLAGS_SDK}" STREQUAL "OSX")
if(DEFINED maccatalyst_build_flavor)
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 ${CFLAGS_DEPLOYMENT_VERSION_WATCHOS})
endif()
if("${DEPLOYMENT_VERSION}" STREQUAL "")
set(DEPLOYMENT_VERSION "${SWIFT_SDK_${CFLAGS_SDK}_DEPLOYMENT_VERSION}")
endif()
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)
list(APPEND result "-target-variant" "${target_variant}")
endif()
endif()
set(_sysroot "${SWIFT_SDK_${CFLAGS_SDK}_ARCH_${CFLAGS_ARCH}_PATH}")
if(IS_DARWIN)
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 "ANDROID")
# lld can handle targeting the android build. However, if lld is not
# enabled, then fallback to the linker included in the android NDK.
if(NOT SWIFT_ENABLE_LLD_LINKER)
swift_android_tools_path(${CFLAGS_ARCH} tools_path)
list(APPEND result "-B" "${tools_path}")
endif()
endif()
if(IS_DARWIN)
# 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
"-arch" "${CFLAGS_ARCH}"
"-F${SWIFT_SDK_${CFLAGS_SDK}_PATH}/../../../Developer/Library/Frameworks")
set(add_explicit_version TRUE)
# iOS-like and zippered libraries get their deployment version from the
# target triple
if(maccatalyst_build_flavor STREQUAL "ios-like" OR
maccatalyst_build_flavor STREQUAL "zippered")
set(add_explicit_version FALSE)
endif()
if(add_explicit_version)
list(APPEND result
"-m${SWIFT_SDK_${CFLAGS_SDK}_VERSION_MIN_NAME}-version-min=${DEPLOYMENT_VERSION}")
endif()
endif()
if(CFLAGS_ANALYZE_CODE_COVERAGE)
list(APPEND result "-fprofile-instr-generate"
"-fcoverage-mapping")
endif()
_compute_lto_flag("${CFLAGS_ENABLE_LTO}" _lto_flag_out)
if (_lto_flag_out)
list(APPEND result "${_lto_flag_out}")
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
RESULT_VAR_NAME ENABLE_LTO
MACCATALYST_BUILD_FLAVOR)
cmake_parse_arguments(CFLAGS
""
"${oneValueArgs}"
""
${ARGN})
set(result ${${CFLAGS_RESULT_VAR_NAME}})
_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}"
RESULT_VAR_NAME result
MACCATALYST_BUILD_FLAVOR "${CFLAGS_MACCATALYST_BUILD_FLAVOR}")
is_build_type_optimized("${CFLAGS_BUILD_TYPE}" optimized)
if(optimized)
list(APPEND result "-O2")
# 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("${CFLAGS_ENABLE_LTO}" _lto_flag_out)
if(_lto_flag_out)
list(APPEND result "-gline-tables-only")
else()
list(APPEND result "-g")
endif()
else()
list(APPEND result "-g0")
endif()
endif()
if("${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")
if(NOT "${CMAKE_C_COMPILER_ID}" STREQUAL "MSVC")
list(APPEND result "-D_CRT_USE_BUILTIN_OFFSETOF")
endif()
# TODO(compnerd) permit building for different families
list(APPEND result "-D_CRT_USE_WINAPI_FAMILY_DESKTOP_APP")
if("${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()
if(${CFLAGS_SDK} STREQUAL ANDROID)
if(${CFLAGS_ARCH} STREQUAL x86_64)
# NOTE(compnerd) Android NDK 21 or lower will generate library calls to
# `__sync_val_compare_and_swap_16` rather than lowering to the CPU's
# `cmpxchg16b` instruction as the `cx16` feature is disabled due to a bug
# in Clang. This is being fixed in the current master Clang and will
# hopefully make it into Clang 9.0. In the mean time, workaround this in
# the build.
if(CMAKE_C_COMPILER_ID MATCHES Clang AND CMAKE_C_COMPILER_VERSION
VERSION_LESS 9.0.0)
list(APPEND result -mcx16)
endif()
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()
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("${CFLAGS_SDK}" STREQUAL "ANDROID")
list(APPEND result -nostdinc++)
swift_android_libcxx_include_paths(CFLAGS_CXX_INCLUDES)
swift_android_include_for_arch("${CFLAGS_ARCH}" "${CFLAGS_ARCH}_INCLUDE")
foreach(path IN LISTS CFLAGS_CXX_INCLUDES ${CFLAGS_ARCH}_INCLUDE)
list(APPEND result "SHELL:${CMAKE_INCLUDE_SYSTEM_FLAG_C}${path}")
endforeach()
list(APPEND result "-D__ANDROID_API__=${SWIFT_ANDROID_API_LEVEL}")
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("${CFLAGS_SDK}" STREQUAL "WASI")
list(APPEND result "-D_WASI_EMULATED_MMAN")
endif()
set("${CFLAGS_RESULT_VAR_NAME}" "${result}" PARENT_SCOPE)
endfunction()
function(_add_target_variant_link_flags)
set(oneValueArgs SDK ARCH BUILD_TYPE ENABLE_ASSERTIONS ANALYZE_CODE_COVERAGE
DEPLOYMENT_VERSION_OSX DEPLOYMENT_VERSION_MACCATALYST DEPLOYMENT_VERSION_IOS DEPLOYMENT_VERSION_TVOS DEPLOYMENT_VERSION_WATCHOS
RESULT_VAR_NAME ENABLE_LTO LTO_OBJECT_NAME LINK_LIBRARIES_VAR_NAME LIBRARY_SEARCH_DIRECTORIES_VAR_NAME
MACCATALYST_BUILD_FLAVOR
)
cmake_parse_arguments(LFLAGS
""
"${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 "${LFLAGS_DEPLOYMENT_VERSION_WATCHOS}"
RESULT_VAR_NAME result
MACCATALYST_BUILD_FLAVOR "${LFLAGS_MACCATALYST_BUILD_FLAVOR}")
if("${LFLAGS_SDK}" STREQUAL "LINUX")
list(APPEND link_libraries "pthread" "dl")
elseif("${LFLAGS_SDK}" STREQUAL "FREEBSD")
list(APPEND link_libraries "pthread")
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()
swift_windows_lib_for_arch(${LFLAGS_ARCH} ${LFLAGS_ARCH}_LIB)
list(APPEND library_search_directories ${${LFLAGS_ARCH}_LIB})
# 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("${LFLAGS_SDK}" STREQUAL "HAIKU")
list(APPEND link_libraries "bsd" "atomic")
list(APPEND result "-Wl,-Bsymbolic")
elseif("${LFLAGS_SDK}" STREQUAL "ANDROID")
list(APPEND link_libraries "dl" "log" "atomic")
# We need to add the math library, which is linked implicitly by libc++
list(APPEND result "-lm")
# link against the custom C++ library
swift_android_cxx_libraries_for_arch(${LFLAGS_ARCH} cxx_link_libraries)
list(APPEND link_libraries ${cxx_link_libraries})
# link against the ICU libraries
list(APPEND link_libraries
${SWIFT_ANDROID_${LFLAGS_ARCH}_ICU_I18N}
${SWIFT_ANDROID_${LFLAGS_ARCH}_ICU_UC})
swift_android_lib_for_arch(${LFLAGS_ARCH} ${LFLAGS_ARCH}_LIB)
foreach(path IN LISTS ${LFLAGS_ARCH}_LIB)
list(APPEND library_search_directories ${path})
endforeach()
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,${lto_object}")
endif()
endif()
if(NOT "${SWIFT_${LFLAGS_SDK}_${LFLAGS_ARCH}_ICU_UC}" STREQUAL "")
get_filename_component(SWIFT_${LFLAGS_SDK}_${LFLAGS_ARCH}_ICU_UC_LIBDIR
"${SWIFT_${LFLAGS_SDK}_${LFLAGS_ARCH}_ICU_UC}" DIRECTORY)
list(APPEND library_search_directories "${SWIFT_${LFLAGS_SDK}_${LFLAGS_ARCH}_ICU_UC_LIBDIR}")
endif()
if(NOT "${SWIFT_${LFLAGS_SDK}_${LFLAGS_ARCH}_ICU_I18N}" STREQUAL "")
get_filename_component(SWIFT_${LFLAGS_SDK}_${LFLAGS_ARCH}_ICU_I18N_LIBDIR
"${SWIFT_${LFLAGS_SDK}_${LFLAGS_ARCH}_ICU_I18N}" DIRECTORY)
list(APPEND library_search_directories "${SWIFT_${LFLAGS_SDK}_${LFLAGS_ARCH}_ICU_I18N_LIBDIR}")
endif()
if(NOT SWIFT_COMPILER_IS_MSVC_LIKE)
# FIXME: On Apple platforms, find_program needs to look for "ld64.lld"
find_program(LDLLD_PATH "ld.lld")
if((SWIFT_ENABLE_LLD_LINKER AND LDLLD_PATH AND NOT APPLE) OR
("${LFLAGS_SDK}" STREQUAL "WINDOWS" AND
NOT "${CMAKE_SYSTEM_NAME}" STREQUAL "WINDOWS"))
list(APPEND result "-fuse-ld=lld")
elseif(SWIFT_ENABLE_GOLD_LINKER AND
"${SWIFT_SDK_${LFLAGS_SDK}_OBJECT_FORMAT}" STREQUAL "ELF")
if(CMAKE_HOST_SYSTEM_NAME STREQUAL Windows)
list(APPEND result "-fuse-ld=gold.exe")
else()
list(APPEND result "-fuse-ld=gold")
endif()
endif()
endif()
# Enable dead stripping. Portions of this logic were copied from llvm's
# `add_link_opts` function (which, perhaps, should have been used here in the
# first place, but at this point it's hard to say whether that's feasible).
#
# TODO: Evaluate/enable -f{function,data}-sections --gc-sections for bfd,
# gold, and lld.
if(NOT CMAKE_BUILD_TYPE STREQUAL Debug)
if(${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(${LIPO_SDK} IN_LIST SWIFT_APPLE_PLATFORMS)
if(LIPO_CODESIGN)
set(codesign_command COMMAND "codesign" "-f" "-s" "-" "${LIPO_OUTPUT}")
endif()
# Use lipo to create the final binary.
add_custom_command_target(unused_var
COMMAND "${SWIFT_LIPO}" "-create" "-output" "${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]
# [IS_SDK_OVERLAY]
# 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.
#
# 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'
#
# 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
TARGET_LIBRARY
INSTALL_WITH_SHARED)
set(SWIFTLIB_SINGLE_single_parameter_options
ARCHITECTURE
DEPLOYMENT_VERSION_IOS
DEPLOYMENT_VERSION_OSX
DEPLOYMENT_VERSION_TVOS
DEPLOYMENT_VERSION_WATCHOS
INSTALL_IN_COMPONENT
DARWIN_INSTALL_NAME_DIR
SDK
DEPLOYMENT_VERSION_MACCATALYST
MACCATALYST_BUILD_FLAVOR)
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
SWIFT_COMPILE_FLAGS
MODULE_TARGETS)
cmake_parse_arguments(SWIFTLIB_SINGLE
"${SWIFTLIB_SINGLE_options}"
"${SWIFTLIB_SINGLE_single_parameter_options}"
"${SWIFTLIB_SINGLE_multiple_parameter_options}"
${ARGN})
# Determine macCatalyst build flavor
get_maccatalyst_build_flavor(maccatalyst_build_flavor
"${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)
message(FATAL_ERROR
"Either SHARED, STATIC, or OBJECT_LIBRARY must be specified")
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}/${SWIFTLIB_SINGLE_ARCHITECTURE}")
endif()
# Include LLVM Bitcode slices for iOS, Watch OS, and Apple TV OS device libraries.
set(embed_bitcode_arg)
if(SWIFT_EMBED_BITCODE_SECTION AND NOT SWIFTLIB_SINGLE_DONT_EMBED_BITCODE)
if("${SWIFTLIB_SINGLE_SDK}" STREQUAL "IOS" OR "${SWIFTLIB_SINGLE_SDK}" STREQUAL "TVOS" OR "${SWIFTLIB_SINGLE_SDK}" STREQUAL "WATCHOS")
list(APPEND SWIFTLIB_SINGLE_C_COMPILE_FLAGS "-fembed-bitcode")
set(embed_bitcode_arg EMBED_BITCODE)
endif()
endif()
if(XCODE)
string(REGEX MATCHALL "/[^/]+" split_path ${CMAKE_CURRENT_SOURCE_DIR})
list(GET split_path -1 dir)
file(GLOB_RECURSE SWIFTLIB_SINGLE_HEADERS
${SWIFT_SOURCE_DIR}/include/swift${dir}/*.h
${SWIFT_SOURCE_DIR}/include/swift${dir}/*.def
${CMAKE_CURRENT_SOURCE_DIR}/*.def)
file(GLOB_RECURSE SWIFTLIB_SINGLE_TDS
${SWIFT_SOURCE_DIR}/include/swift${dir}/*.td)
set_source_files_properties(${SWIFTLIB_SINGLE_HEADERS} ${SWIFTLIB_SINGLE_TDS}
PROPERTIES
HEADER_FILE_ONLY true)
source_group("TableGen descriptions" FILES ${SWIFTLIB_SINGLE_TDS})
set(SWIFTLIB_SINGLE_SOURCES ${SWIFTLIB_SINGLE_SOURCES} ${SWIFTLIB_SINGLE_HEADERS} ${SWIFTLIB_SINGLE_TDS})
endif()
if(MODULE)
set(libkind MODULE)
elseif(SWIFTLIB_SINGLE_OBJECT_LIBRARY)
set(libkind OBJECT)
# If both SHARED and STATIC are specified, we add the SHARED library first.
# The STATIC library is handled further below.
elseif(SWIFTLIB_SINGLE_SHARED)
set(libkind SHARED)
elseif(SWIFTLIB_SINGLE_STATIC)
set(libkind STATIC)
else()
message(FATAL_ERROR
"Either SHARED, STATIC, or OBJECT_LIBRARY must be specified")
endif()
if(SWIFTLIB_SINGLE_GYB_SOURCES)
handle_gyb_sources(
gyb_dependency_targets
SWIFTLIB_SINGLE_GYB_SOURCES
"${SWIFTLIB_SINGLE_ARCHITECTURE}")
set(SWIFTLIB_SINGLE_SOURCES ${SWIFTLIB_SINGLE_SOURCES}
${SWIFTLIB_SINGLE_GYB_SOURCES})
endif()
# Remove the "swift" prefix from the name to determine the module name.
if(SWIFTLIB_IS_STDLIB_CORE)
set(module_name "Swift")
else()
string(REPLACE swift "" module_name "${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;${SWIFTLIB_SINGLE_VFS_OVERLAY})
endif()
swift_windows_include_for_arch(${SWIFTLIB_SINGLE_ARCHITECTURE} SWIFTLIB_INCLUDE)
foreach(directory ${SWIFTLIB_INCLUDE})
list(APPEND SWIFTLIB_SINGLE_SWIFT_COMPILE_FLAGS -Xcc;-isystem;-Xcc;${directory})
endforeach()
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()
# FIXME: don't actually depend on the libraries in SWIFTLIB_SINGLE_LINK_LIBRARIES,
# just any swiftmodule files that are associated with them.
handle_swift_sources(
swift_object_dependency_target
swift_module_dependency_target
swift_sib_dependency_target
swift_sibopt_dependency_target
swift_sibgen_dependency_target
SWIFTLIB_SINGLE_SOURCES
SWIFTLIB_SINGLE_EXTERNAL_SOURCES ${name}
DEPENDS
${gyb_dependency_targets}
${SWIFTLIB_SINGLE_DEPENDS}
${SWIFTLIB_SINGLE_FILE_DEPENDS}
${SWIFTLIB_SINGLE_LINK_LIBRARIES}
SDK ${SWIFTLIB_SINGLE_SDK}
ARCHITECTURE ${SWIFTLIB_SINGLE_ARCHITECTURE}
MODULE_NAME ${module_name}
COMPILE_FLAGS ${SWIFTLIB_SINGLE_SWIFT_COMPILE_FLAGS}
${SWIFTLIB_SINGLE_IS_STDLIB_keyword}
${SWIFTLIB_SINGLE_IS_STDLIB_CORE_keyword}
${SWIFTLIB_SINGLE_IS_SDK_OVERLAY_keyword}
${embed_bitcode_arg}
INSTALL_IN_COMPONENT "${SWIFTLIB_SINGLE_INSTALL_IN_COMPONENT}"
MACCATALYST_BUILD_FLAVOR "${SWIFTLIB_SINGLE_MACCATALYST_BUILD_FLAVOR}")
add_swift_source_group("${SWIFTLIB_SINGLE_EXTERNAL_SOURCES}")
# If there were any swift sources, then a .swiftmodule may have been created.
# If that is the case, then add a target which is an alias of the module files.
set(VARIANT_SUFFIX "-${SWIFT_SDK_${SWIFTLIB_SINGLE_SDK}_LIB_SUBDIR}-${SWIFTLIB_SINGLE_ARCHITECTURE}")
if(maccatalyst_build_flavor STREQUAL "ios-like")
set(VARIANT_SUFFIX "-${SWIFT_SDK_MACCATALYST_LIB_SUBDIR}-${SWIFTLIB_SINGLE_ARCHITECTURE}")
endif()
if(NOT "${SWIFTLIB_SINGLE_MODULE_TARGETS}" STREQUAL "" AND NOT "${swift_module_dependency_target}" STREQUAL "")
foreach(module_target ${SWIFTLIB_SINGLE_MODULE_TARGETS})
add_custom_target("${module_target}"
DEPENDS ${swift_module_dependency_target})
set_target_properties("${module_target}" PROPERTIES
FOLDER "Swift libraries/Modules")
endforeach()
endif()
# For standalone overlay builds to work
if(NOT BUILD_STANDALONE)
if (EXISTS swift_sib_dependency_target AND NOT "${swift_sib_dependency_target}" STREQUAL "")
add_dependencies(swift-stdlib${VARIANT_SUFFIX}-sib ${swift_sib_dependency_target})
endif()
if (EXISTS swift_sibopt_dependency_target AND NOT "${swift_sibopt_dependency_target}" STREQUAL "")
add_dependencies(swift-stdlib${VARIANT_SUFFIX}-sibopt ${swift_sibopt_dependency_target})
endif()
if (EXISTS swift_sibgen_dependency_target AND NOT "${swift_sibgen_dependency_target}" STREQUAL "")
add_dependencies(swift-stdlib${VARIANT_SUFFIX}-sibgen ${swift_sibgen_dependency_target})
endif()
endif()
# Only build the modules for any arch listed in the *_MODULE_ARCHITECTURES.
if(SWIFTLIB_SINGLE_SDK IN_LIST SWIFT_APPLE_PLATFORMS
AND SWIFTLIB_SINGLE_ARCHITECTURE IN_LIST SWIFT_SDK_${SWIFTLIB_SINGLE_SDK}_MODULE_ARCHITECTURES)
# Create dummy target to hook up the module target dependency.
add_custom_target("${target}"
DEPENDS
"${swift_module_dependency_target}")
return()
endif()
set(SWIFTLIB_INCORPORATED_OBJECT_LIBRARIES_EXPRESSIONS)
foreach(object_library ${SWIFTLIB_SINGLE_INCORPORATE_OBJECT_LIBRARIES})
list(APPEND SWIFTLIB_INCORPORATED_OBJECT_LIBRARIES_EXPRESSIONS
$<TARGET_OBJECTS:${object_library}${VARIANT_SUFFIX}>)
endforeach()
set(SWIFTLIB_INCORPORATED_OBJECT_LIBRARIES_EXPRESSIONS_SHARED_ONLY)
foreach(object_library ${SWIFTLIB_SINGLE_INCORPORATE_OBJECT_LIBRARIES_SHARED_ONLY})
list(APPEND SWIFTLIB_INCORPORATED_OBJECT_LIBRARIES_EXPRESSIONS_SHARED_ONLY
$<TARGET_OBJECTS:${object_library}${VARIANT_SUFFIX}>)
endforeach()
set(SWIFTLIB_SINGLE_XCODE_WORKAROUND_SOURCES)
if(XCODE AND SWIFTLIB_SINGLE_TARGET_LIBRARY)
set(SWIFTLIB_SINGLE_XCODE_WORKAROUND_SOURCES
# Note: the dummy.cpp source file provides no definitions. However,
# it forces Xcode to properly link the static library.
${SWIFT_SOURCE_DIR}/cmake/dummy.cpp)
endif()
set(INCORPORATED_OBJECT_LIBRARIES_EXPRESSIONS ${SWIFTLIB_INCORPORATED_OBJECT_LIBRARIES_EXPRESSIONS})
if(${libkind} STREQUAL "SHARED")
list(APPEND INCORPORATED_OBJECT_LIBRARIES_EXPRESSIONS
${SWIFTLIB_INCORPORATED_OBJECT_LIBRARIES_EXPRESSIONS_SHARED_ONLY})
endif()
add_library("${target}" ${libkind}
${SWIFTLIB_SINGLE_SOURCES}
${SWIFTLIB_SINGLE_EXTERNAL_SOURCES}
${INCORPORATED_OBJECT_LIBRARIES_EXPRESSIONS}
${SWIFTLIB_SINGLE_XCODE_WORKAROUND_SOURCES})
# NOTE: always inject the LLVMSupport directory before anything else. We want
# to ensure that the runtime is built with our local copy of LLVMSupport
target_include_directories(${target} BEFORE PRIVATE
${SWIFT_SOURCE_DIR}/stdlib/include)
if(("${SWIFT_SDK_${SWIFTLIB_SINGLE_SDK}_OBJECT_FORMAT}" STREQUAL "ELF" OR
"${SWIFT_SDK_${SWIFTLIB_SINGLE_SDK}_OBJECT_FORMAT}" STREQUAL "COFF") AND
SWIFTLIB_SINGLE_TARGET_LIBRARY)
if("${libkind}" STREQUAL "SHARED" AND NOT SWIFTLIB_SINGLE_NOSWIFTRT)
# TODO(compnerd) switch to the generator expression when cmake is upgraded
# to a version which supports it.
# target_sources(${target}
# PRIVATE
# $<TARGET_OBJECTS:swiftImageRegistrationObject${SWIFT_SDK_${SWIFTLIB_SINGLE_SDK}_OBJECT_FORMAT}-${SWIFT_SDK_${SWIFTLIB_SINGLE_SDK}_LIB_SUBDIR}-${SWIFTLIB_SINGLE_ARCHITECTURE}>)
if(SWIFTLIB_SINGLE_SDK STREQUAL WINDOWS)
set(extension .obj)
else()
set(extension .o)
endif()
target_sources(${target}
PRIVATE
"${SWIFTLIB_DIR}/${SWIFTLIB_SINGLE_SUBDIR}/swiftrt${extension}")
set_source_files_properties("${SWIFTLIB_DIR}/${SWIFTLIB_SINGLE_SUBDIR}/swiftrt${extension}"
PROPERTIES
GENERATED 1)
endif()
endif()
_set_target_prefix_and_suffix("${target}" "${libkind}" "${SWIFTLIB_SINGLE_SDK}")
if("${SWIFTLIB_SINGLE_SDK}" STREQUAL "WINDOWS")
swift_windows_include_for_arch(${SWIFTLIB_SINGLE_ARCHITECTURE} SWIFTLIB_INCLUDE)
target_include_directories("${target}" SYSTEM PRIVATE ${SWIFTLIB_INCLUDE})
set_target_properties(${target}
PROPERTIES
CXX_STANDARD 14)
endif()
if("${SWIFTLIB_SINGLE_SDK}" STREQUAL "WINDOWS" AND NOT "${CMAKE_SYSTEM_NAME}" STREQUAL "Windows")
if("${libkind}" STREQUAL "SHARED")
# Each dll has an associated .lib (import library); since we may be
# building on a non-DLL platform (not windows), create an imported target
# for the library which created implicitly by the dll.
add_custom_command_target(${target}_IMPORT_LIBRARY
OUTPUT "${SWIFTLIB_DIR}/${SWIFTLIB_SINGLE_SUBDIR}/${name}.lib"
DEPENDS "${target}")
add_library(${target}_IMPLIB SHARED IMPORTED GLOBAL)
set_property(TARGET "${target}_IMPLIB" PROPERTY
IMPORTED_LOCATION "${SWIFTLIB_DIR}/${SWIFTLIB_SINGLE_SUBDIR}/${name}.lib")
add_dependencies(${target}_IMPLIB ${${target}_IMPORT_LIBRARY})
endif()
set_property(TARGET "${target}" PROPERTY NO_SONAME ON)
endif()
llvm_update_compile_flags(${target})
set_output_directory(${target}
BINARY_DIR ${SWIFT_RUNTIME_OUTPUT_INTDIR}
LIBRARY_DIR ${SWIFT_LIBRARY_OUTPUT_INTDIR})
if(MODULE)
set_target_properties("${target}" PROPERTIES
PREFIX ""
SUFFIX ${LLVM_PLUGIN_EXT})
endif()
if(SWIFTLIB_SINGLE_TARGET_LIBRARY)
# Install runtime libraries to lib/swift instead of lib. This works around
# the fact that -isysroot prevents linking to libraries in the system
# /usr/lib if Swift is installed in /usr.
set_target_properties("${target}" PROPERTIES
LIBRARY_OUTPUT_DIRECTORY ${SWIFTLIB_DIR}/${SWIFTLIB_SINGLE_SUBDIR}
ARCHIVE_OUTPUT_DIRECTORY ${SWIFTLIB_DIR}/${SWIFTLIB_SINGLE_SUBDIR})
if(SWIFTLIB_SINGLE_SDK STREQUAL WINDOWS AND SWIFTLIB_SINGLE_IS_STDLIB_CORE
AND libkind STREQUAL SHARED)
add_custom_command(TARGET ${target} POST_BUILD
COMMAND ${CMAKE_COMMAND} -E copy_if_different $<TARGET_FILE:${target}> ${SWIFTLIB_DIR}/${SWIFTLIB_SINGLE_SUBDIR})
endif()
foreach(config ${CMAKE_CONFIGURATION_TYPES})
string(TOUPPER ${config} config_upper)
escape_path_for_xcode("${config}" "${SWIFTLIB_DIR}" config_lib_dir)
set_target_properties(${target} PROPERTIES
LIBRARY_OUTPUT_DIRECTORY_${config_upper} ${config_lib_dir}/${SWIFTLIB_SINGLE_SUBDIR}
ARCHIVE_OUTPUT_DIRECTORY_${config_upper} ${config_lib_dir}/${SWIFTLIB_SINGLE_SUBDIR})
endforeach()
endif()
if(SWIFTLIB_SINGLE_SDK IN_LIST SWIFT_APPLE_PLATFORMS)
set(install_name_dir "@rpath")
if(SWIFTLIB_SINGLE_IS_STDLIB)
set(install_name_dir "${SWIFT_DARWIN_STDLIB_INSTALL_NAME_DIR}")
# iOS-like overlays are installed in a separate directory so that
# unzippered twins do not conflict.
if(maccatalyst_build_flavor STREQUAL "ios-like"
AND DEFINED SWIFT_DARWIN_MACCATALYST_STDLIB_INSTALL_NAME_DIR)
set(install_name_dir "${SWIFT_DARWIN_MACCATALYST_STDLIB_INSTALL_NAME_DIR}")
endif()
endif()
# Always use @rpath for XCTest
if(module_name STREQUAL "XCTest")
set(install_name_dir "@rpath")
endif()
if(SWIFTLIB_SINGLE_DARWIN_INSTALL_NAME_DIR)
set(install_name_dir "${SWIFTLIB_SINGLE_DARWIN_INSTALL_NAME_DIR}")
endif()
set_target_properties("${target}"
PROPERTIES
INSTALL_NAME_DIR "${install_name_dir}")
elseif("${SWIFTLIB_SINGLE_SDK}" STREQUAL "LINUX")
set_target_properties("${target}"
PROPERTIES
INSTALL_RPATH "$ORIGIN:/usr/lib/swift/linux")
elseif("${SWIFTLIB_SINGLE_SDK}" STREQUAL "CYGWIN")
set_target_properties("${target}"
PROPERTIES
INSTALL_RPATH "$ORIGIN:/usr/lib/swift/cygwin")
elseif("${SWIFTLIB_SINGLE_SDK}" STREQUAL "ANDROID")
# CMake generates an incorrect rule `$SONAME_FLAG $INSTALLNAME_DIR$SONAME`
# for an Android cross-build from a macOS host. Construct the proper linker
# flags manually in add_swift_target_library instead, see there with
# variable `swiftlib_link_flags_all`.
if(SWIFTLIB_SINGLE_TARGET_LIBRARY)
set_target_properties("${target}" PROPERTIES NO_SONAME TRUE)
endif()
# Only set the install RPATH if the toolchain and stdlib will be in Termux
# or some other native sysroot on Android.
if(NOT "${SWIFT_ANDROID_NATIVE_SYSROOT}" STREQUAL "")
set_target_properties("${target}"
PROPERTIES
INSTALL_RPATH "$ORIGIN")
endif()
endif()
set_target_properties("${target}" PROPERTIES BUILD_WITH_INSTALL_RPATH YES)
set_target_properties("${target}" PROPERTIES FOLDER "Swift libraries")
# Configure the static library target.
# Set compile and link flags for the non-static target.
# Do these LAST.
set(target_static)
if(SWIFTLIB_SINGLE_IS_STDLIB AND SWIFTLIB_SINGLE_STATIC)
set(target_static "${target}-static")
# We have already compiled Swift sources. Link everything into a static
# library.