CMakeLists.txt

#[[
This source file is part of the Swift Atomics Open Source Project

Copyright (c) 2021 Apple Inc. and the Swift project authors
Licensed under Apache License v2.0 with Runtime Library Exception

See https://swift.org/LICENSE.txt for license information
#]]

cmake_minimum_required(VERSION 3.16)
project(swift-atomics
  LANGUAGES C Swift)

list(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules)

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)

if(CMAKE_SYSTEM_NAME STREQUAL Windows OR CMAKE_SYSTEM_NAME STREQUAL Darwin)
  option(BUILD_SHARED_LIBS "Build shared libraries by default" YES)
endif()

include(CTest)
include(SwiftSupport)

set(ATOMICS_SWIFT_FLAGS)
set(ATOMICS_C_FLAGS)

if(CMAKE_Swift_COMPILER_VERSION VERSION_GREATER_EQUAL 5.9)
  list(APPEND ATOMICS_SWIFT_FLAGS
    "-enable-experimental-feature BuiltinModule"
    "-DATOMICS_NATIVE_BUILTINS"
    "-Xcc" "-DATOMICS_NATIVE_BUILTINS=1")
  list(APPEND ATOMICS_C_FLAGS
    "-DATOMICS_NATIVE_BUILTINS=1")
endif()

add_subdirectory(Sources)
if(BUILD_TESTING)
  add_subdirectory(Tests)
endif()

get_property(SWIFT_ATOMICS_EXPORTS GLOBAL PROPERTY SWIFT_ATOMICS_EXPORTS)
export(TARGETS ${SWIFT_ATOMICS_EXPORTS}
  NAMESPACE SwiftAtomics::
  FILE swift-atomics-config.cmake
  EXPORT_LINK_INTERFACE_LIBRARIES)