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##===----------------------------------------------------------------------===##
##
## This source file is part of the Swift open source project
##
## Copyright (c) 2024 Apple Inc. and the Swift project authors
## Licensed under Apache License v2.0
##
## See LICENSE.txt for license information
## See CONTRIBUTORS.md for the list of Swift project authors
##
## SPDX-License-Identifier: Apache-2.0
##
##===----------------------------------------------------------------------===##
cmake_minimum_required(VERSION 3.24)
list(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules)
if(POLICY CMP0156)
# Deduplicate linked libraries where appropriate
cmake_policy(SET CMP0156 NEW)
endif()
if(POLICY CMP0157)
# New Swift build model: improved incremental build performance and LSP support
cmake_policy(SET CMP0157 NEW)
endif()
if (NOT DEFINED CMAKE_C_COMPILER)
set(CMAKE_C_COMPILER clang)
endif()
project(Foundation
LANGUAGES C Swift)
if(NOT SWIFT_SYSTEM_NAME)
if(CMAKE_SYSTEM_NAME STREQUAL Darwin)
set(SWIFT_SYSTEM_NAME macosx)
else()
set(SWIFT_SYSTEM_NAME "$<LOWER_CASE:${CMAKE_SYSTEM_NAME}>")
endif()
endif()
# Don't enable WMO on Windows due to linker failures
if(NOT CMAKE_SYSTEM_NAME STREQUAL Windows)
# Enable whole module optimization for release builds & incremental for debug builds
if(POLICY CMP0157)
set(CMAKE_Swift_COMPILATION_MODE "$<IF:$<CONFIG:Release>,wholemodule,incremental>")
else()
add_compile_options($<$<AND:$<COMPILE_LANGUAGE:Swift>,$<CONFIG:Release>>:-wmo>)
endif()
endif()
set(CMAKE_SHARED_LINKER_FLAGS "")
set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
set(CMAKE_Swift_MODULE_DIRECTORY ${CMAKE_BINARY_DIR}/swift)
option(BUILD_SHARED_LIBS "build shared libraries" ON)
option(BUILD_FULLY_STATIC "build fully static" NO)
# Optionally build tools (on by default) but only when building shared libraries
if(BUILD_SHARED_LIBS)
option(FOUNDATION_BUILD_TOOLS "build tools" ON)
endif()
set(CMAKE_POSITION_INDEPENDENT_CODE YES)
# Fetchable dependcies
include(FetchContent)
if (_SwiftFoundationICU_SourceDIR)
FetchContent_Declare(SwiftFoundationICU
SOURCE_DIR ${_SwiftFoundationICU_SourceDIR})
else()
FetchContent_Declare(SwiftFoundationICU
GIT_REPOSITORY https://github.com/apple/swift-foundation-icu.git
GIT_TAG 0.0.9)
endif()
if (_SwiftFoundation_SourceDIR)
FetchContent_Declare(SwiftFoundation
SOURCE_DIR ${_SwiftFoundation_SourceDIR})
else()
FetchContent_Declare(SwiftFoundation
GIT_REPOSITORY https://github.com/apple/swift-foundation.git
GIT_TAG main)
endif()
FetchContent_MakeAvailable(SwiftFoundationICU SwiftFoundation)
include(CheckLinkerFlag)
include(CheckSymbolExists)
check_linker_flag(C "LINKER:--build-id=sha1" LINKER_SUPPORTS_BUILD_ID)
# Detect if the system libc defines symbols for these functions.
# If it is not availble, swift-corelibs-foundation has its own implementations
# that will be used. If it is available, it should not redefine them.
# Note: SwiftPM does not have the ability to introspect the contents of the SDK
# and therefore will always include these functions in the build and will
# cause build failures on platforms that define these functions.
check_symbol_exists("strlcat" "string.h" HAVE_STRLCAT)
check_symbol_exists("strlcpy" "string.h" HAVE_STRLCPY)
check_symbol_exists("issetugid" "unistd.h" HAVE_ISSETUGID)
add_compile_definitions(
$<$<AND:$<COMPILE_LANGUAGE:C>,$<BOOL:${HAVE_STRLCAT}>>:HAVE_STRLCAT>
$<$<AND:$<COMPILE_LANGUAGE:C>,$<BOOL:${HAVE_STRLCPY}>>:HAVE_STRLCPY>
$<$<AND:$<COMPILE_LANGUAGE:C>,$<BOOL:${HAVE_ISSETUGID}>>:HAVE_ISSETUGID>)
if(CMAKE_SYSTEM_NAME STREQUAL Linux)
check_symbol_exists(sched_getaffinity "sched.h" HAVE_SCHED_GETAFFINITY)
add_compile_definitions($<$<COMPILE_LANGUAGE:C>:HAVE_SCHED_GETAFFINITY>)
endif()
# Precompute module triple for installation
if(NOT SwiftFoundation_MODULE_TRIPLE)
set(module_triple_command "${CMAKE_Swift_COMPILER}" -print-target-info)
if(CMAKE_Swift_COMPILER_TARGET)
list(APPEND module_triple_command -target ${CMAKE_Swift_COMPILER_TARGET})
endif()
execute_process(COMMAND ${module_triple_command} OUTPUT_VARIABLE target_info_json)
string(JSON module_triple GET "${target_info_json}" "target" "moduleTriple")
set(SwiftFoundation_MODULE_TRIPLE "${module_triple}" CACHE STRING "swift module triple used for installed swiftmodule and swiftinterface files")
mark_as_advanced(SwiftFoundation_MODULE_TRIPLE)
endif()
# System dependencies
find_package(LibRT)
find_package(dispatch CONFIG)
if(NOT dispatch_FOUND)
if(CMAKE_SYSTEM_NAME STREQUAL "Linux" OR CMAKE_SYSTEM_NAME STREQUAL "Android")
set(DEFAULT_DISPATCH_INCLUDE_PATH "/usr/lib/swift")
elseif(CMAKE_SYSTEM_NAME STREQUAL "Windows")
set(DEFAULT_DISPATCH_INCLUDE_PATH "$ENV{SDKROOT}usr/include")
endif()
set(DISPATCH_INCLUDE_PATH "${DEFAULT_DISPATCH_INCLUDE_PATH}" CACHE STRING "A path to where you can find libdispatch headers")
message("-- dispatch_DIR not found, using dispatch from SDK at ${DISPATCH_INCLUDE_PATH}")
list(APPEND _Foundation_common_build_flags
"-I${DISPATCH_INCLUDE_PATH}"
"-I${DISPATCH_INCLUDE_PATH}/Block")
endif()
find_package(LibXml2 REQUIRED)
find_package(CURL REQUIRED)
# Common build flags (_CFURLSessionInterface, _CFXMLInterface, CoreFoundation)
list(APPEND _Foundation_common_build_flags
"-DDEPLOYMENT_RUNTIME_SWIFT"
"-DCF_BUILDING_CF"
"-DDEPLOYMENT_ENABLE_LIBDISPATCH"
"-DHAVE_STRUCT_TIMESPEC"
"-Wno-shorten-64-to-32"
"-Wno-deprecated-declarations"
"-Wno-unreachable-code"
"-Wno-conditional-uninitialized"
"-Wno-unused-variable"
"-Wno-unused-function"
"-Wno-microsoft-enum-forward-reference"
"-Wno-int-conversion"
"-Wno-switch"
"-fblocks")
if(CMAKE_SYSTEM_NAME STREQUAL "WASI")
list(APPEND _Foundation_common_build_flags
"-D_WASI_EMULATED_SIGNAL"
"-DHAVE_STRLCPY"
"-DHAVE_STRLCAT"
)
else()
list(APPEND _Foundation_common_build_flags
"-DSWIFT_CORELIBS_FOUNDATION_HAS_THREADS"
)
endif()
if(NOT "${CMAKE_C_SIMULATE_ID}" STREQUAL "MSVC")
list(APPEND _Foundation_common_build_flags
"-fconstant-cfstrings"
"-fdollars-in-identifiers"
"-fno-common"
"-fcf-runtime-abi=swift")
if(NOT CMAKE_SYSTEM_NAME STREQUAL OpenBSD)
list(APPEND _Foundation_common_build_flags
"-fexceptions")
endif()
else()
list(APPEND _Foundation_common_build_flags
"/EHsc"
"/clang:-fcf-runtime-abi=swift")
endif()
if(CMAKE_BUILD_TYPE STREQUAL Debug)
list(APPEND _Foundation_common_build_flags
"-DDEBUG")
endif()
# Swift build flags (Foundation, FoundationNetworking, FoundationXML)
set(_Foundation_swift_build_flags)
list(APPEND _Foundation_swift_build_flags
"-swift-version 6"
"-DDEPLOYMENT_RUNTIME_SWIFT"
"-Xfrontend"
"-require-explicit-sendable")
if(CMAKE_SYSTEM_NAME STREQUAL "WASI")
list(APPEND _Foundation_swift_build_flags
"-D_WASI_EMULATED_SIGNAL"
"-DHAVE_STRLCPY"
"-DHAVE_STRLCAT"
)
else()
list(APPEND _Foundation_swift_build_flags
"-DSWIFT_CORELIBS_FOUNDATION_HAS_THREADS"
)
endif()
if(CMAKE_SYSTEM_NAME STREQUAL "Linux" OR CMAKE_SYSTEM_NAME STREQUAL "Android")
list(APPEND _Foundation_common_build_flags
"-D_GNU_SOURCE")
endif()
include(GNUInstallDirs)
include(FoundationSwiftSupport)
add_subdirectory(Sources)
add_subdirectory(cmake/modules)
|
