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AddSwift.cmake
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include(SwiftList)
include(SwiftXcodeSupport)
# 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
${ARGN})
if(NOT "${ADMT_UNPARSED_ARGUMENTS}" STREQUAL "")
message(FATAL_ERROR "unrecognized arguments: ${ADMT_UNPARSED_ARGUMENTS}")
endif()
if(NOT "${ADMT_DEPENDS}" STREQUAL "")
foreach(target ${ADMT_TARGETS})
add_dependencies("${target}" ${ADMT_DEPENDS})
endforeach()
endif()
endfunction()
function(_require_empty_list the_list the_message)
if(the_list)
message(FATAL_ERROR "${the_message}")
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)
set("${result_var_name}" "${SWIFT_SDK_${sdk}_LIB_SUBDIR}/${arch}" PARENT_SCOPE)
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}}
"-target" "${SWIFT_SDK_${CFLAGS_SDK}_ARCH_${CFLAGS_ARCH}_TRIPLE}")
is_darwin_based_sdk("${CFLAGS_SDK}" IS_DARWIN)
if(IS_DARWIN)
list(APPEND result "-isysroot" "${SWIFT_SDK_${CFLAGS_SDK}_PATH}")
else()
if(NOT "${SWIFT_SDK_${CFLAGS_SDK}_PATH}" STREQUAL "/")
list(APPEND result "--sysroot=${SWIFT_SDK_${CFLAGS_SDK}_PATH}")
endif()
endif()
if("${CFLAGS_SDK}" STREQUAL "ANDROID")
list(APPEND result
"--sysroot=${SWIFT_ANDROID_SDK_PATH}"
# Use the linker included in the Android NDK.
"-B" "${SWIFT_ANDROID_PREBUILT_PATH}/arm-linux-androideabi/bin/")
endif()
if("${CFLAGS_SDK}" STREQUAL "WINDOWS")
list(APPEND result "-DLLVM_ON_WIN32")
list(APPEND result "-D_CRT_SECURE_NO_WARNINGS")
list(APPEND result "-D_CRT_NONSTDC_NO_WARNINGS")
# TODO(compnerd) permit building for different families
list(APPEND result "-D_CRT_USE_WINAPI_FAMILY_DESKTOP_APP")
# TODO(compnerd) handle /MT
list(APPEND result "-D_DLL")
list(APPEND result "-fms-compatibility-version=1900")
endif()
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()
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
""
"${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)
list(APPEND result "-O2")
# Add -momit-leaf-frame-pointer on x86.
if("${CFLAGS_ARCH}" STREQUAL "i386" OR "${CFLAGS_ARCH}" STREQUAL "x86_64")
list(APPEND result "-momit-leaf-frame-pointer")
endif()
else()
list(APPEND result "-O0")
endif()
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()
if("${CFLAGS_SDK}" STREQUAL "WINDOWS")
list(APPEND result -Xclang;--dependent-lib=oldnames)
# TODO(compnerd) handle /MT, /MTd, /MD, /MDd
if("${CMAKE_BUILD_TYPE}" STREQUAL "RELEASE")
list(APPEND result "-D_MD")
list(APPEND result -Xclang;--dependent-lib=msvcrt)
else()
list(APPEND result "-D_MDd")
list(APPEND result -Xclang;--dependent-lib=msvcrtd)
endif()
list(APPEND result -fno-pic)
endif()
if(CFLAGS_ENABLE_ASSERTIONS)
list(APPEND result "-UNDEBUG")
else()
list(APPEND result "-DNDEBUG")
endif()
if(CFLAGS_ANALYZE_CODE_COVERAGE)
list(APPEND result "-fprofile-instr-generate"
"-fcoverage-mapping")
endif()
if("${CFLAGS_SDK}" STREQUAL "ANDROID")
# FIXME: Instead of hardcoding paths in the Android NDK, these paths should
# be passed in via ENV, as with the Windows build.
list(APPEND result
"-I${SWIFT_ANDROID_NDK_PATH}/sources/cxx-stl/llvm-libc++/include"
"-I${SWIFT_ANDROID_NDK_PATH}/sources/cxx-stl/llvm-libc++abi/include"
"-I${SWIFT_ANDROID_NDK_PATH}/sources/android/support/include")
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, so don't include it.
if (NOT "${CMAKE_SYSTEM_NAME}" STREQUAL "Windows")
list(APPEND result "-sdk" "${SWIFT_SDK_${sdk}_PATH}")
endif()
list(APPEND result
"-target" "${SWIFT_SDK_${sdk}_ARCH_${arch}_TRIPLE}"
"-resource-dir" "${SWIFTLIB_DIR}")
is_darwin_based_sdk("${sdk}" IS_DARWIN)
if(IS_DARWIN)
list(APPEND result
"-F" "${SWIFT_SDK_${sdk}_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()
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 LIBRARY_SEARCH_DIRECTORIES)
cmake_parse_arguments(LFLAGS
""
"${oneValueArgs}"
""
${ARGN})
if("${LFLAGS_SDK}" STREQUAL "")
message(FATAL_ERROR "Should specify an SDK")
endif()
if("${LFLAGS_ARCH}" STREQUAL "")
message(FATAL_ERROR "Should specify an architecture")
endif()
set(result ${${LFLAGS_RESULT_VAR_NAME}})
set(library_search_directories ${${LFLAGS_LIBRARY_SEARCH_DIRECTORIES}})
_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("${LFLAGS_SDK}" STREQUAL "LINUX")
list(APPEND result "-lpthread" "-ldl")
elseif("${LFLAGS_SDK}" STREQUAL "FREEBSD")
list(APPEND result "-lpthread")
elseif("${LFLAGS_SDK}" STREQUAL "CYGWIN")
# No extra libraries required.
elseif("${LFLAGS_SDK}" STREQUAL "WINDOWS")
# NOTE: we do not use "/MD" or "/MDd" and select the runtime via linker
# options. This causes conflicts.
list(APPEND result "-nostdlib")
elseif("${LFLAGS_SDK}" STREQUAL "ANDROID")
list(APPEND result
"-ldl"
"${SWIFT_ANDROID_NDK_PATH}/sources/cxx-stl/llvm-libc++/libs/armeabi-v7a/libc++_shared.so")
list(APPEND library_search_directories
"${SWIFT_ANDROID_PREBUILT_PATH}/lib/gcc/arm-linux-androideabi/${SWIFT_ANDROID_NDK_GCC_VERSION}.x")
else()
list(APPEND result "-lobjc")
# 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_${LFLAGS_SDK}_ICU_UC}" STREQUAL "")
list(APPEND library_search_directories "${SWIFT_${sdk}_ICU_UC}")
endif()
if(NOT "${SWIFT_${LFLAGS_SDK}_ICU_I18N}" STREQUAL "")
list(APPEND library_search_directories "${SWIFT_${sdk}_ICU_I18N}")
endif()
set("${LFLAGS_RESULT_VAR_NAME}" "${result}" PARENT_SCOPE)
set("${LFLAGS_LIBRARY_SEARCH_DIRECTORIES}" "${library_search_directories}" PARENT_SCOPE)
endfunction()
# Look up extra flags for a module that matches a regexp.
function(_add_extra_swift_flags_for_module module_name result_var_name)
set(result_list)
list(LENGTH SWIFT_EXPERIMENTAL_EXTRA_REGEXP_FLAGS listlen)
if (${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})
if(SWIFT_CMAKE_HAS_GENERATOR_EXPRESSIONS)
list(APPEND source_binaries $<TARGET_FILE:${source_target}>)
else()
get_property(source_binary
TARGET ${source_target}
PROPERTY LOCATION)
list(APPEND source_binaries "${source_binary}")
endif()
endforeach()
is_darwin_based_sdk("${LIPO_SDK}" IS_DARWIN)
if(IS_DARWIN)
if(LIPO_CODESIGN)
set(codesign_command COMMAND "codesign" "-f" "-s" "-" "${LIPO_OUTPUT}")
endif()
# Use lipo to create the final binary.
add_custom_command_target(unused_var
COMMAND "${LIPO}" "-create" "-output" "${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 " ${CMAKE_LIBRARY_PATH_FLAG}${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_COMPONENT_DEPENDS comp1 ...]
# [C_COMPILE_FLAGS flag1...]
# [SWIFT_COMPILE_FLAGS flag1...]
# [LINK_FLAGS flag1...]
# [API_NOTES_NON_OVERLAY]
# [FILE_DEPENDS target1 ...]
# [DONT_EMBED_BITCODE]
# [IS_STDLIB]
# [IS_STDLIB_CORE]
# [IS_SDK_OVERLAY]
# [FORCE_BUILD_FOR_HOST_SDK]
# 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_COMPONENT_DEPENDS
# 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.
#
# API_NOTES_NON_OVERLAY
# Generate API notes for non-overlayed modules with this target.
#
# 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.
#
# FORCE_BUILD_FOR_HOST_SDK
# Regardless of the defaults, also build this library for the host SDK.
#
# source1 ...
# Sources to add into this library
function(_add_swift_library_single target name)
set(SWIFTLIB_SINGLE_options
SHARED STATIC OBJECT_LIBRARY IS_STDLIB IS_STDLIB_CORE IS_SDK_OVERLAY
TARGET_LIBRARY FORCE_BUILD_FOR_HOST_SDK
API_NOTES_NON_OVERLAY DONT_EMBED_BITCODE)
cmake_parse_arguments(SWIFTLIB_SINGLE
"${SWIFTLIB_SINGLE_options}"
"MODULE_TARGET;SDK;ARCHITECTURE;INSTALL_IN_COMPONENT;DEPLOYMENT_VERSION_OSX;DEPLOYMENT_VERSION_IOS;DEPLOYMENT_VERSION_TVOS;DEPLOYMENT_VERSION_WATCHOS"
"DEPENDS;LINK_LIBRARIES;FRAMEWORK_DEPENDS;FRAMEWORK_DEPENDS_WEAK;LLVM_COMPONENT_DEPENDS;C_COMPILE_FLAGS;SWIFT_COMPILE_FLAGS;LINK_FLAGS;PRIVATE_LINK_LIBRARIES;INTERFACE_LINK_LIBRARIES;INCORPORATE_OBJECT_LIBRARIES;INCORPORATE_OBJECT_LIBRARIES_SHARED_ONLY;FILE_DEPENDS"
${ARGN})
set(SWIFTLIB_SINGLE_SOURCES ${SWIFTLIB_SINGLE_UNPARSED_ARGUMENTS})
translate_flags(SWIFTLIB_SINGLE "${SWIFTLIB_SINGLE_options}")
# Check arguments.
if ("${SWIFTLIB_SINGLE_SDK}" STREQUAL "")
message(FATAL_ERROR "Should specify an SDK")
endif()
if ("${SWIFTLIB_SINGLE_ARCHITECTURE}" STREQUAL "")
message(FATAL_ERROR "Should specify an architecture")
endif()
if("${SWIFTLIB_SINGLE_INSTALL_IN_COMPONENT}" STREQUAL "")
message(FATAL_ERROR "INSTALL_IN_COMPONENT is required")
endif()
if(NOT SWIFTLIB_SINGLE_SHARED AND
NOT SWIFTLIB_SINGLE_STATIC AND
NOT SWIFTLIB_SINGLE_OBJECT_LIBRARY)
message(FATAL_ERROR
"Either SHARED, STATIC, or OBJECT_LIBRARY must be specified")
endif()
# Determine the subdirectory where this library will be installed.
set(SWIFTLIB_SINGLE_SUBDIR
"${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 "${SWIFTLIB_SINGLE_SDK}" STREQUAL "WATCHOS")
list(APPEND SWIFTLIB_SINGLE_C_COMPILE_FLAGS "-fembed-bitcode")
list(APPEND SWIFTLIB_SINGLE_LINK_FLAGS "-Xlinker" "-bitcode_bundle" "-Xlinker" "-bitcode_hide_symbols" "-Xlinker" "-lto_library" "-Xlinker" "${LLVM_LIBRARY_DIR}/libLTO.dylib")
set(embed_bitcode_arg EMBED_BITCODE)
endif()
endif()
if (SWIFT_COMPILER_VERSION)
is_darwin_based_sdk("${SWIFTLIB_SINGLE_SDK}" IS_DARWIN)
if(IS_DARWIN)
list(APPEND SWIFTLIB_SINGLE_LINK_FLAGS "-Xlinker" "-current_version" "-Xlinker" "${SWIFT_COMPILER_VERSION}" "-Xlinker" "-compatibility_version" "-Xlinker" "1")
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} ${SWIFTLIB_SINGLE_TDS})
endif()
if(MODULE)
set(libkind MODULE)
elseif(SWIFTLIB_SINGLE_OBJECT_LIBRARY)
set(libkind OBJECT)
# If both SHARED and STATIC are specified, we add the SHARED library first.
# The STATIC library is handled further below.
elseif(SWIFTLIB_SINGLE_SHARED)
set(libkind SHARED)
elseif(SWIFTLIB_SINGLE_STATIC)
set(libkind STATIC)
else()
message(FATAL_ERROR
"Either SHARED, STATIC, or OBJECT_LIBRARY must be specified")
endif()
handle_gyb_sources(
gyb_dependency_targets
SWIFTLIB_SINGLE_SOURCES
"${SWIFTLIB_SINGLE_ARCHITECTURE}")
# Figure out whether and which API notes to create.
set(SWIFTLIB_SINGLE_API_NOTES)
if(SWIFTLIB_SINGLE_API_NOTES_NON_OVERLAY)
# Adopt all of the non-overlay API notes.
foreach(framework_name ${SWIFT_API_NOTES_INPUTS})
if (${framework_name} STREQUAL "WatchKit" AND
${SWIFTLIB_SINGLE_SDK} STREQUAL "OSX")
# HACK: don't build WatchKit API notes for OS X.
else()
if (NOT IS_DIRECTORY "${SWIFT_SOURCE_DIR}/stdlib/public/SDK/${framework_name}")
list(APPEND SWIFTLIB_SINGLE_API_NOTES "${framework_name}")
endif()
endif()
endforeach()
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 "${name}")
endif()
if("${module_name}" IN_LIST SWIFT_API_NOTES_INPUTS)
set(SWIFTLIB_SINGLE_API_NOTES "${module_name}")
endif()
# On platforms that use ELF binaries we add markers for metadata sections in
# the shared libraries using these object files. This wouldn't be necessary
# if the link was done by the swift binary: rdar://problem/19007002
if("${SWIFT_SDK_${SWIFTLIB_SINGLE_SDK}_OBJECT_FORMAT}" STREQUAL "ELF")
if("${libkind}" STREQUAL "SHARED")
set(arch_subdir "${SWIFTLIB_DIR}/${SWIFTLIB_SINGLE_SUBDIR}")
set(SWIFT_SECTIONS_OBJECT_BEGIN "${arch_subdir}/swift_begin.o")
set(SWIFT_SECTIONS_OBJECT_END "${arch_subdir}/swift_end.o")
endif()
endif()
if("${SWIFTLIB_SINGLE_SDK}" STREQUAL "WINDOWS")
list(APPEND SWIFTLIB_SINGLE_SWIFT_COMPILE_FLAGS -Xfrontend;-autolink-library;-Xfrontend;oldnames)
# TODO(compnerd) handle /MT and /MTd
if("${CMAKE_BUILD_TYPE}" STREQUAL "RELEASE")
list(APPEND SWIFTLIB_SINGLE_SWIFT_COMPILE_FLAGS -Xfrontend;-autolink-library;-Xfrontend;msvcrt)
else()
list(APPEND SWIFTLIB_SINGLE_SWIFT_COMPILE_FLAGS -Xfrontend;-autolink-library;-Xfrontend;msvcrtd)
endif()
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_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}
${SWIFTLIB_SINGLE_INTERFACE_LINK_LIBRARIES}
SDK ${SWIFTLIB_SINGLE_SDK}
ARCHITECTURE ${SWIFTLIB_SINGLE_ARCHITECTURE}
API_NOTES ${SWIFTLIB_SINGLE_API_NOTES}
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_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 ${swift_module_dependency_target})
endif()
if (swift_sib_dependency_target)
add_dependencies(swift-stdlib${VARIANT_SUFFIX}-sib
${swift_sib_dependency_target})
endif()
if (swift_sibgen_dependency_target)
add_dependencies(swift-stdlib${VARIANT_SUFFIX}-sibgen
${swift_sibgen_dependency_target})
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}
${SWIFT_SECTIONS_OBJECT_BEGIN}
${SWIFTLIB_SINGLE_SOURCES}
${SWIFTLIB_SINGLE_EXTERNAL_SOURCES}
${INCORPORATED_OBJECT_LIBRARIES_EXPRESSIONS}
${SWIFTLIB_SINGLE_XCODE_WORKAROUND_SOURCES}
${SWIFT_SECTIONS_OBJECT_END})
_set_target_prefix_and_suffix("${target}" "${libkind}" "${SWIFTLIB_SINGLE_SDK}")
if(SWIFTLIB_SINGLE_TARGET_LIBRARY)
if(NOT "${SWIFT_${SWIFTLIB_SINGLE_SDK}_ICU_UC_INCLUDE}" STREQUAL "")
target_include_directories("${target}" SYSTEM PRIVATE "${SWIFT_${SWIFTLIB_SINGLE_SDK}_ICU_UC_INCLUDE}")
endif()
if(NOT "${SWIFT_${SWIFTLIB_SINGLE_SDK}_ICU_I18N_INCLUDE}" STREQUAL "")
target_include_directories("${target}" SYSTEM PRIVATE "${SWIFT_${SWIFTLIB_SINGLE_SDK}_ICU_I18N_INCLUDE}")
endif()
endif()
if("${SWIFTLIB_SINGLE_SDK}" STREQUAL "WINDOWS")
if("${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 "${target}" PROPERTY NO_SONAME ON)
endif()
# The section metadata objects are generated sources, and we need to tell CMake
# not to expect to find them prior to their generation.
if("${SWIFT_SDK_${SWIFTLIB_SINGLE_SDK}_OBJECT_FORMAT}" STREQUAL "ELF")
if("${libkind}" STREQUAL "SHARED")
set_source_files_properties(${SWIFT_SECTIONS_OBJECT_BEGIN} PROPERTIES GENERATED 1)
set_source_files_properties(${SWIFT_SECTIONS_OBJECT_END} PROPERTIES GENERATED 1)
add_dependencies("${target}" section_magic)
endif()
endif()
llvm_update_compile_flags(${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})
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()
is_darwin_based_sdk("${SWIFTLIB_SINGLE_SDK}" IS_DARWIN)
if(IS_DARWIN)
set(install_name_dir "@rpath")
if(SWIFTLIB_SINGLE_IS_STDLIB)
# Always use @rpath for XCTest.
if(NOT "${module_name}" STREQUAL "XCTest")
set(install_name_dir "${SWIFT_DARWIN_STDLIB_INSTALL_NAME_DIR}")
endif()
endif()
set_target_properties("${target}"
PROPERTIES
INSTALL_NAME_DIR "${install_name_dir}")
elseif("${SWIFTLIB_SINGLE_SDK}" STREQUAL "LINUX" AND NOT "${SWIFTLIB_SINGLE_SDK}" STREQUAL "ANDROID")
set_target_properties("${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/windows")
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 "${target}-static")
# We have already compiled Swift sources. Link everything into a static
# library.
add_library(${target_static} STATIC
${SWIFTLIB_SINGLE_SOURCES}
${SWIFTLIB_INCORPORATED_OBJECT_LIBRARIES_EXPRESSIONS}
${SWIFTLIB_SINGLE_XCODE_WORKAROUND_SOURCES})
set_output_directory(${target_static}
BINARY_DIR ${SWIFT_RUNTIME_OUTPUT_INTDIR}
LIBRARY_DIR ${SWIFT_LIBRARY_OUTPUT_INTDIR})
foreach(config ${CMAKE_CONFIGURATION_TYPES})
string(TOUPPER ${config} config_upper)
escape_path_for_xcode(
"${config}" "${SWIFTSTATICLIB_DIR}" config_lib_dir)
set_target_properties(${target_static} PROPERTIES
LIBRARY_OUTPUT_DIRECTORY_${config_upper} ${config_lib_dir}/${SWIFTLIB_SINGLE_SUBDIR}
ARCHIVE_OUTPUT_DIRECTORY_${config_upper} ${config_lib_dir}/${SWIFTLIB_SINGLE_SUBDIR})
endforeach()
set_target_properties(${target_static} PROPERTIES
LIBRARY_OUTPUT_DIRECTORY ${SWIFTSTATICLIB_DIR}/${SWIFTLIB_SINGLE_SUBDIR}
ARCHIVE_OUTPUT_DIRECTORY ${SWIFTSTATICLIB_DIR}/${SWIFTLIB_SINGLE_SUBDIR})
endif()
set_target_properties(${target}
PROPERTIES
# Library name (without the variant information)
OUTPUT_NAME ${name})
if(target_static)
set_target_properties(${target_static}
PROPERTIES
OUTPUT_NAME ${name})
endif()
# Don't build standard libraries by default. We will enable building
# standard libraries that the user requested; the rest can be built on-demand.
if(SWIFTLIB_SINGLE_TARGET_LIBRARY)
foreach(t "${target}" ${target_static})
set_target_properties(${t} PROPERTIES EXCLUDE_FROM_ALL TRUE)
endforeach()
endif()
# Handle linking and dependencies.
add_dependencies_multiple_targets(
TARGETS "${target}" ${target_static}
DEPENDS
${SWIFTLIB_SINGLE_DEPENDS}
${gyb_dependency_targets}
"${swift_object_dependency_target}"
"${swift_module_dependency_target}"
${LLVM_COMMON_DEPENDS})
# HACK: On some systems or build directory setups, CMake will not find static
# archives of Clang libraries in the Clang build directory, and it will pass
# them as '-lclangFoo'. Some other logic in CMake would reorder libraries
# specified with this syntax, which breaks linking.
set(prefixed_link_libraries)
foreach(dep ${SWIFTLIB_SINGLE_LINK_LIBRARIES})
if("${dep}" MATCHES "^clang")
set(dep "${LLVM_LIBRARY_OUTPUT_INTDIR}/lib${dep}.a")
endif()
if("${dep}" STREQUAL "cmark")
set(dep "${CMARK_LIBRARY_DIR}/lib${dep}.a")
endif()
list(APPEND prefixed_link_libraries "${dep}")
endforeach()
set(SWIFTLIB_SINGLE_LINK_LIBRARIES "${prefixed_link_libraries}")
if("${libkind}" STREQUAL "SHARED")
target_link_libraries("${target}" PRIVATE ${SWIFTLIB_SINGLE_LINK_LIBRARIES})
elseif("${libkind}" STREQUAL "OBJECT")
_require_empty_list(
"${SWIFTLIB_SINGLE_LINK_LIBRARIES}"
"OBJECT_LIBRARY may not link to anything")
else()
target_link_libraries("${target}" INTERFACE ${SWIFTLIB_SINGLE_LINK_LIBRARIES})
endif()
# Don't add the icucore target.
set(SWIFTLIB_SINGLE_LINK_LIBRARIES_WITHOUT_ICU)
foreach(item ${SWIFTLIB_SINGLE_LINK_LIBRARIES})
if(NOT "${item}" STREQUAL "icucore")
list(APPEND SWIFTLIB_SINGLE_LINK_LIBRARIES_WITHOUT_ICU "${item}")
endif()
endforeach()
if(target_static)
_list_add_string_suffix(
"${SWIFTLIB_SINGLE_LINK_LIBRARIES_WITHOUT_ICU}"
"-static"
target_static_depends)
# FIXME: should this be target_link_libraries?
add_dependencies_multiple_targets(
TARGETS "${target_static}"
DEPENDS ${target_static_depends})
endif()
# Link against system frameworks.
foreach(FRAMEWORK ${SWIFTLIB_SINGLE_FRAMEWORK_DEPENDS})
foreach(t "${target}" ${target_static})
target_link_libraries("${t}" PUBLIC "-framework ${FRAMEWORK}")
endforeach()