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AddSwift.cmake
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include(SwiftList)
include(SwiftXcodeSupport)
include(SwiftWindowsSupport)
include(SwiftAndroidSupport)
# SWIFTLIB_DIR is the directory in the build tree where Swift resource files
# should be placed. Note that $CMAKE_CFG_INTDIR expands to "." for
# single-configuration builds.
set(SWIFTLIB_DIR
"${CMAKE_BINARY_DIR}/${CMAKE_CFG_INTDIR}/lib/swift")
set(SWIFTSTATICLIB_DIR
"${CMAKE_BINARY_DIR}/${CMAKE_CFG_INTDIR}/lib/swift_static")
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}" ${ADMT_DEPENDS})
endforeach()
endif()
endfunction()
# Compute the library subdirectory to use for the given sdk and
# architecture, placing the result in 'result_var_name'.
function(compute_library_subdir result_var_name sdk arch)
if(sdk IN_LIST SWIFT_APPLE_PLATFORMS)
set("${result_var_name}" "${SWIFT_SDK_${sdk}_LIB_SUBDIR}" PARENT_SCOPE)
else()
set("${result_var_name}" "${SWIFT_SDK_${sdk}_LIB_SUBDIR}/${arch}" PARENT_SCOPE)
endif()
endfunction()
function(_compute_lto_flag option out_var)
string(TOLOWER "${option}" lowercase_option)
if (lowercase_option STREQUAL "full")
set(${out_var} "-flto=full" PARENT_SCOPE)
elseif (lowercase_option STREQUAL "thin")
set(${out_var} "-flto=thin" PARENT_SCOPE)
endif()
endfunction()
function(_set_target_prefix_and_suffix target kind sdk)
precondition(target MESSAGE "target is required")
precondition(kind MESSAGE "kind is required")
precondition(sdk MESSAGE "sdk is required")
if(${sdk} STREQUAL ANDROID)
if(${kind} STREQUAL STATIC)
set_target_properties(${target} PROPERTIES PREFIX "lib" SUFFIX ".a")
elseif(${kind} STREQUAL SHARED)
set_target_properties(${target} PROPERTIES PREFIX "lib" SUFFIX ".so")
endif()
elseif(${sdk} STREQUAL WINDOWS)
if(${kind} STREQUAL STATIC)
set_target_properties(${target} PROPERTIES PREFIX "" SUFFIX ".lib")
elseif(${kind} STREQUAL SHARED)
set_target_properties(${target} PROPERTIES PREFIX "" SUFFIX ".dll")
endif()
endif()
endfunction()
function(is_darwin_based_sdk sdk_name out_var)
if ("${sdk_name}" STREQUAL "OSX" OR
"${sdk_name}" STREQUAL "IOS" OR
"${sdk_name}" STREQUAL "IOS_SIMULATOR" OR
"${sdk_name}" STREQUAL "TVOS" OR
"${sdk_name}" STREQUAL "TVOS_SIMULATOR" OR
"${sdk_name}" STREQUAL "WATCHOS" OR
"${sdk_name}" STREQUAL "WATCHOS_SIMULATOR")
set(${out_var} TRUE PARENT_SCOPE)
else()
set(${out_var} FALSE PARENT_SCOPE)
endif()
endfunction()
# Usage:
# _add_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_IOS version
# DEPLOYMENT_VERSION_TVOS version
# DEPLOYMENT_VERSION_WATCHOS version
#
# )
function(_add_variant_c_compile_link_flags)
set(oneValueArgs SDK ARCH BUILD_TYPE RESULT_VAR_NAME ENABLE_LTO ANALYZE_CODE_COVERAGE
DEPLOYMENT_VERSION_OSX DEPLOYMENT_VERSION_IOS DEPLOYMENT_VERSION_TVOS DEPLOYMENT_VERSION_WATCHOS)
cmake_parse_arguments(CFLAGS
""
"${oneValueArgs}"
""
${ARGN})
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")
set(DEPLOYMENT_VERSION ${CFLAGS_DEPLOYMENT_VERSION_OSX})
elseif("${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$" AND
NOT SWIFT_COMPILER_IS_MSVC_LIKE)
list(APPEND result "-target" "${SWIFT_SDK_${CFLAGS_SDK}_ARCH_${CFLAGS_ARCH}_TRIPLE}${DEPLOYMENT_VERSION}")
endif()
set(_sysroot "${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)
list(APPEND result
"-arch" "${CFLAGS_ARCH}"
"-F" "${SWIFT_SDK_${CFLAGS_SDK}_PATH}/../../../Developer/Library/Frameworks"
"-m${SWIFT_SDK_${CFLAGS_SDK}_VERSION_MIN_NAME}-version-min=${DEPLOYMENT_VERSION}")
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_variant_c_compile_flags)
set(oneValueArgs SDK ARCH BUILD_TYPE ENABLE_ASSERTIONS ANALYZE_CODE_COVERAGE
DEPLOYMENT_VERSION_OSX DEPLOYMENT_VERSION_IOS DEPLOYMENT_VERSION_TVOS DEPLOYMENT_VERSION_WATCHOS
RESULT_VAR_NAME ENABLE_LTO)
cmake_parse_arguments(CFLAGS
"FORCE_BUILD_OPTIMIZED"
"${oneValueArgs}"
""
${ARGN})
set(result ${${CFLAGS_RESULT_VAR_NAME}})
_add_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_IOS "${CFLAGS_DEPLOYMENT_VERSION_IOS}"
DEPLOYMENT_VERSION_TVOS "${CFLAGS_DEPLOYMENT_VERSION_TVOS}"
DEPLOYMENT_VERSION_WATCHOS "${CFLAGS_DEPLOYMENT_VERSION_WATCHOS}"
RESULT_VAR_NAME result)
is_build_type_optimized("${CFLAGS_BUILD_TYPE}" optimized)
if(optimized OR CFLAGS_FORCE_BUILD_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 doesn't support -Xclang. We don't need to manually specify
# the dependent libraries as `cl` does so.
if(NOT "${CMAKE_C_COMPILER_ID}" STREQUAL "MSVC")
list(APPEND result -Xclang;--dependent-lib=oldnames)
# TODO(compnerd) handle /MT, /MTd
if("${CFLAGS_BUILD_TYPE}" STREQUAL "Debug")
list(APPEND result -Xclang;--dependent-lib=msvcrtd)
else()
list(APPEND result -Xclang;--dependent-lib=msvcrt)
endif()
endif()
# 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")
# 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 ${CFLAGS_ARCH}_INCLUDE)
list(APPEND result -isystem;${path})
endforeach()
list(APPEND result "-D__ANDROID_API__=${SWIFT_ANDROID_API_LEVEL}")
elseif(CFLAGS_SDK STREQUAL WINDOWS)
swift_windows_include_for_arch(${CFLAGS_ARCH} ${CFLAGS_ARCH}_INCLUDE)
foreach(path ${${CFLAGS_ARCH}_INCLUDE})
list(APPEND result "\"${CMAKE_INCLUDE_FLAG_C}${path}\"")
endforeach()
endif()
set(ICU_UC_INCLUDE_DIR ${SWIFT_${CFLAGS_SDK}_${CFLAGS_ARCH}_ICU_UC_INCLUDE})
if(NOT "${ICU_UC_INCLUDE_DIR}" STREQUAL "" AND
NOT "${ICU_UC_INCLUDE_DIR}" STREQUAL "/usr/include" AND
NOT "${ICU_UC_INCLUDE_DIR}" STREQUAL "/usr/${SWIFT_SDK_${CFLAGS_SDK}_ARCH_${CFLAGS_ARCH}_TRIPLE}/include" AND
NOT "${ICU_UC_INCLUDE_DIR}" STREQUAL "/usr/${SWIFT_SDK_${SWIFT_HOST_VARIANT_SDK}_ARCH_${SWIFT_HOST_VARIANT_ARCH}_TRIPLE}/include")
if(SWIFT_COMPILER_IS_MSVC_LIKE)
list(APPEND result -I;${ICU_UC_INCLUDE_DIR})
else()
list(APPEND result -isystem;${ICU_UC_INCLUDE_DIR})
endif()
endif()
set(ICU_I18N_INCLUDE_DIR ${SWIFT_${CFLAGS_SDK}_${CFLAGS_ARCH}_ICU_I18N_INCLUDE})
if(NOT "${ICU_I18N_INCLUDE_DIR}" STREQUAL "" AND
NOT "${ICU_I18N_INCLUDE_DIR}" STREQUAL "/usr/include" AND
NOT "${ICU_I18N_INCLUDE_DIR}" STREQUAL "/usr/${SWIFT_SDK_${CFLAGS_SDK}_ARCH_${CFLAGS_ARCH}_TRIPLE}/include" AND
NOT "${ICU_I18N_INCLUDE_DIR}" STREQUAL "/usr/${SWIFT_SDK_${SWIFT_HOST_VARIANT_SDK}_ARCH_${SWIFT_HOST_VARIANT_ARCH}_TRIPLE}/include")
if(SWIFT_COMPILER_IS_MSVC_LIKE)
list(APPEND result -I;${ICU_I18N_INCLUDE_DIR})
else()
list(APPEND result -isystem;${ICU_I18N_INCLUDE_DIR})
endif()
endif()
set("${CFLAGS_RESULT_VAR_NAME}" "${result}" PARENT_SCOPE)
endfunction()
function(_add_variant_swift_compile_flags
sdk arch build_type enable_assertions result_var_name)
set(result ${${result_var_name}})
# On Windows, we don't set SWIFT_SDK_WINDOWS_PATH_ARCH_{ARCH}_PATH, so don't include it.
# On Android the sdk is split to two different paths for includes and libs, so these
# need to be set manually.
if (NOT "${sdk}" STREQUAL "WINDOWS" AND NOT "${sdk}" STREQUAL "ANDROID")
list(APPEND result "-sdk" "${SWIFT_SDK_${sdk}_ARCH_${arch}_PATH}")
endif()
is_darwin_based_sdk("${sdk}" IS_DARWIN)
if(IS_DARWIN)
list(APPEND result
"-target" "${SWIFT_SDK_${sdk}_ARCH_${arch}_TRIPLE}${SWIFT_SDK_${sdk}_DEPLOYMENT_VERSION}")
else()
list(APPEND result
"-target" "${SWIFT_SDK_${sdk}_ARCH_${arch}_TRIPLE}")
endif()
if("${sdk}" STREQUAL "ANDROID")
swift_android_include_for_arch(${arch} ${arch}_swift_include)
foreach(path IN LISTS ${arch}_swift_include)
list(APPEND result "\"${CMAKE_INCLUDE_FLAG_C}${path}\"")
endforeach()
endif()
if(NOT BUILD_STANDALONE)
list(APPEND result "-resource-dir" "${SWIFTLIB_DIR}")
endif()
if(IS_DARWIN)
list(APPEND result
"-F" "${SWIFT_SDK_${sdk}_ARCH_${arch}_PATH}/../../../Developer/Library/Frameworks")
endif()
is_build_type_optimized("${build_type}" optimized)
if(optimized)
list(APPEND result "-O")
else()
list(APPEND result "-Onone")
endif()
is_build_type_with_debuginfo("${build_type}" debuginfo)
if(debuginfo)
list(APPEND result "-g")
endif()
if(enable_assertions)
list(APPEND result "-D" "INTERNAL_CHECKS_ENABLED")
endif()
if(SWIFT_ENABLE_RUNTIME_FUNCTION_COUNTERS)
list(APPEND result "-D" "SWIFT_ENABLE_RUNTIME_FUNCTION_COUNTERS")
endif()
if(SWIFT_ENABLE_EXPERIMENTAL_DIFFERENTIABLE_PROGRAMMING)
list(APPEND result "-D" "SWIFT_ENABLE_EXPERIMENTAL_DIFFERENTIABLE_PROGRAMMING")
endif()
set("${result_var_name}" "${result}" PARENT_SCOPE)
endfunction()
function(_add_variant_link_flags)
set(oneValueArgs SDK ARCH BUILD_TYPE ENABLE_ASSERTIONS ANALYZE_CODE_COVERAGE
DEPLOYMENT_VERSION_OSX DEPLOYMENT_VERSION_IOS DEPLOYMENT_VERSION_TVOS DEPLOYMENT_VERSION_WATCHOS
RESULT_VAR_NAME ENABLE_LTO LTO_OBJECT_NAME LINK_LIBRARIES_VAR_NAME LIBRARY_SEARCH_DIRECTORIES_VAR_NAME)
cmake_parse_arguments(LFLAGS
""
"${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_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 "${LFLAGS_DEPLOYMENT_VERSION_OSX}"
DEPLOYMENT_VERSION_IOS "${LFLAGS_DEPLOYMENT_VERSION_IOS}"
DEPLOYMENT_VERSION_TVOS "${LFLAGS_DEPLOYMENT_VERSION_TVOS}"
DEPLOYMENT_VERSION_WATCHOS "${LFLAGS_DEPLOYMENT_VERSION_WATCHOS}"
RESULT_VAR_NAME result)
if("${LFLAGS_SDK}" STREQUAL "LINUX")
list(APPEND link_libraries "pthread" "atomic" "dl")
elseif("${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()
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()
# Look up extra flags for a module that matches a regexp.
function(_add_extra_swift_flags_for_module module_name result_var_name)
set(result_list)
list(LENGTH SWIFT_EXPERIMENTAL_EXTRA_REGEXP_FLAGS listlen)
if (${listlen} GREATER 0)
math(EXPR listlen "${listlen}-1")
foreach(i RANGE 0 ${listlen} 2)
list(GET SWIFT_EXPERIMENTAL_EXTRA_REGEXP_FLAGS ${i} regex)
if (module_name MATCHES "${regex}")
math(EXPR ip1 "${i}+1")
list(GET SWIFT_EXPERIMENTAL_EXTRA_REGEXP_FLAGS ${ip1} flags)
list(APPEND result_list ${flags})
message(STATUS "Matched '${regex}' to module '${module_name}'. Compiling ${module_name} with special flags: ${flags}")
endif()
endforeach()
endif()
list(LENGTH SWIFT_EXPERIMENTAL_EXTRA_NEGATIVE_REGEXP_FLAGS listlen)
if (${listlen} GREATER 0)
math(EXPR listlen "${listlen}-1")
foreach(i RANGE 0 ${listlen} 2)
list(GET SWIFT_EXPERIMENTAL_EXTRA_NEGATIVE_REGEXP_FLAGS ${i} regex)
if (NOT module_name MATCHES "${regex}")
math(EXPR ip1 "${i}+1")
list(GET SWIFT_EXPERIMENTAL_EXTRA_NEGATIVE_REGEXP_FLAGS ${ip1} flags)
list(APPEND result_list ${flags})
message(STATUS "Matched NEGATIVE '${regex}' to module '${module_name}'. Compiling ${module_name} with special flags: ${flags}")
endif()
endforeach()
endif()
set("${result_var_name}" ${result_list} 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()
function(swift_target_link_search_directories target directories)
set(STLD_FLAGS "")
foreach(directory ${directories})
set(STLD_FLAGS "${STLD_FLAGS} \"${CMAKE_LIBRARY_PATH_FLAG}${directory}\"")
endforeach()
set_property(TARGET ${target} APPEND_STRING PROPERTY LINK_FLAGS ${STLD_FLAGS})
endfunction()
# Add a single variant of a new Swift library.
#
# Usage:
# _add_swift_library_single(
# target
# name
# [MODULE_TARGET]
# [SHARED]
# [STATIC]
# [SDK sdk]
# [ARCHITECTURE architecture]
# [DEPENDS dep1 ...]
# [LINK_LIBRARIES dep1 ...]
# [FRAMEWORK_DEPENDS dep1 ...]
# [FRAMEWORK_DEPENDS_WEAK dep1 ...]
# [LLVM_LINK_COMPONENTS comp1 ...]
# [C_COMPILE_FLAGS flag1...]
# [SWIFT_COMPILE_FLAGS flag1...]
# [LINK_FLAGS flag1...]
# [FILE_DEPENDS target1 ...]
# [DONT_EMBED_BITCODE]
# [IS_STDLIB]
# [FORCE_BUILD_OPTIMIZED]
# [IS_STDLIB_CORE]
# [IS_SDK_OVERLAY]
# INSTALL_IN_COMPONENT comp
# source1 [source2 source3 ...])
#
# target
# Name of the target (e.g., swiftParse-IOS-armv7).
#
# name
# Name of the library (e.g., swiftParse).
#
# MODULE_TARGET
# Name 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.
#
# LLVM_LINK_COMPONENTS
# LLVM components this library depends on.
#
# 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.
#
# source1 ...
# Sources to add into this library
function(_add_swift_library_single target name)
set(SWIFTLIB_SINGLE_options
DONT_EMBED_BITCODE
FORCE_BUILD_OPTIMIZED
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
MODULE_TARGET
SDK)
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
LLVM_LINK_COMPONENTS
PRIVATE_LINK_LIBRARIES
SWIFT_COMPILE_FLAGS)
cmake_parse_arguments(SWIFTLIB_SINGLE
"${SWIFTLIB_SINGLE_options}"
"${SWIFTLIB_SINGLE_single_parameter_options}"
"${SWIFTLIB_SINGLE_multiple_parameter_options}"
${ARGN})
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}/${SWIFTLIB_SINGLE_ARCHITECTURE}")
# Include LLVM Bitcode slices for iOS, Watch OS, and Apple TV OS device libraries.
set(embed_bitcode_arg)
if(SWIFT_EMBED_BITCODE_SECTION AND NOT SWIFTLIB_SINGLE_DONT_EMBED_BITCODE)
if("${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")
list(APPEND SWIFTLIB_SINGLE_LINK_FLAGS "-Xlinker" "-bitcode_bundle" "-Xlinker" "-lto_library" "-Xlinker" "${LLVM_LIBRARY_DIR}/libLTO.dylib")
# If we are asked to hide symbols, pass the obfuscation flag to libLTO.
if (SWIFT_EMBED_BITCODE_SECTION_HIDE_SYMBOLS)
list(APPEND SWIFTLIB_SINGLE_LINK_FLAGS "-Xlinker" "-bitcode_hide_symbols")
endif()
set(embed_bitcode_arg EMBED_BITCODE)
endif()
endif()
if(${SWIFTLIB_SINGLE_SDK} IN_LIST SWIFT_APPLE_PLATFORMS)
list(APPEND SWIFTLIB_SINGLE_LINK_FLAGS "-Xlinker" "-compatibility_version" "-Xlinker" "1")
if (SWIFT_COMPILER_VERSION)
list(APPEND SWIFTLIB_SINGLE_LINK_FLAGS "-Xlinker" "-current_version" "-Xlinker" "${SWIFT_COMPILER_VERSION}" )
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_generate_sdk_vfs_overlay(SWIFTLIB_SINGLE_VFS_OVERLAY_FLAGS)
foreach(flag ${SWIFTLIB_SINGLE_VFS_OVERLAY_FLAGS})
list(APPEND SWIFTLIB_SINGLE_SWIFT_COMPILE_FLAGS -Xcc;${flag})
list(APPEND SWIFTLIB_SINGLE_C_COMPILE_FLAGS ${flag})
endforeach()
endif()
swift_windows_include_for_arch(${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}")
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(NOT "${SWIFTLIB_SINGLE_MODULE_TARGET}" STREQUAL "" AND NOT "${swift_module_dependency_target}" STREQUAL "")
add_custom_target("${SWIFTLIB_SINGLE_MODULE_TARGET}"
DEPENDS ${swift_module_dependency_target})
set_target_properties("${SWIFTLIB_SINGLE_MODULE_TARGET}" PROPERTIES
FOLDER "Swift libraries/Modules")
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}
${SWIFTLIB_SINGLE_XCODE_WORKAROUND_SOURCES})
if(("${SWIFT_SDK_${SWIFTLIB_SINGLE_SDK}_OBJECT_FORMAT}" STREQUAL "ELF" OR
"${SWIFT_SDK_${SWIFTLIB_SINGLE_SDK}_OBJECT_FORMAT}" STREQUAL "COFF") AND
SWIFTLIB_SINGLE_TARGET_LIBRARY)