set(swift_runtime_compile_flags ${SWIFT_RUNTIME_CORE_CXX_FLAGS})
set(swift_runtime_linker_flags ${SWIFT_RUNTIME_CORE_LINK_FLAGS})

if(SWIFT_RUNTIME_CLOBBER_FREED_OBJECTS)
  list(APPEND swift_runtime_compile_flags
      "-DSWIFT_RUNTIME_CLOBBER_FREED_OBJECTS=1")
endif()

if(SWIFT_RUNTIME_CRASH_REPORTER_CLIENT)
  list(APPEND swift_runtime_compile_flags
      "-DSWIFT_HAVE_CRASHREPORTERCLIENT=1")
endif()

set(swift_runtime_leaks_sources)
if(SWIFT_RUNTIME_ENABLE_LEAK_CHECKER)
  list(APPEND swift_runtime_compile_flags
       "-DSWIFT_RUNTIME_ENABLE_LEAK_CHECKER=1")
  set(swift_runtime_leaks_sources Leaks.mm)
endif()

list(APPEND swift_runtime_compile_flags
     "-D__SWIFT_CURRENT_DYLIB=swiftCore")

set(swift_runtime_objc_sources
    ErrorObject.mm
    SwiftObject.mm
    SwiftValue.mm
    Reflection.mm
    "${SWIFT_SOURCE_DIR}/lib/Demangling/OldRemangler.cpp"
    "${SWIFT_SOURCE_DIR}/lib/Demangling/Remangler.cpp")

set(swift_runtime_sources
    AnyHashableSupport.cpp
    Array.cpp
    Casting.cpp
    CygwinPort.cpp
    Demangle.cpp
    Enum.cpp
    ErrorObjectConstants.cpp
    ErrorObjectNative.cpp
    Errors.cpp
    ErrorDefaultImpls.cpp
    Exclusivity.cpp
    Heap.cpp
    HeapObject.cpp
    ImageInspectionMachO.cpp
    ImageInspectionELF.cpp
    ImageInspectionWin32.cpp
    KnownMetadata.cpp
    Metadata.cpp
    MetadataLookup.cpp
    MutexPThread.cpp
    MutexWin32.cpp
    Once.cpp
    Portability.cpp
    ProtocolConformance.cpp
    RefCount.cpp
    RuntimeEntrySymbols.cpp
    RuntimeInvocationsTracking.cpp
    "${SWIFT_SOURCE_DIR}/lib/Demangling/OldDemangler.cpp"
    "${SWIFT_SOURCE_DIR}/lib/Demangling/Demangler.cpp"
    "${SWIFT_SOURCE_DIR}/lib/Demangling/NodePrinter.cpp"
    "${SWIFT_SOURCE_DIR}/lib/Demangling/Context.cpp"
    "${SWIFT_SOURCE_DIR}/lib/Demangling/ManglingUtils.cpp"
    "${SWIFT_SOURCE_DIR}/lib/Demangling/Punycode.cpp")

# Acknowledge that the following sources are known.
set(LLVM_OPTIONAL_SOURCES
    MutexPThread.cpp
    MutexWin32.cpp
    CygwinPort.cpp
    ImageInspectionELF.cpp
    StaticBinaryELF.cpp
    SwiftRT-ELF.cpp
    ${swift_runtime_sources}
    ${swift_runtime_objc_sources}
    ${swift_runtime_leaks_sources})

set(swift_runtime_library_compile_flags ${swift_runtime_compile_flags})
list(APPEND swift_runtime_library_compile_flags -DswiftCore_EXPORTS)
list(APPEND swift_runtime_library_compile_flags -I${SWIFT_SOURCE_DIR}/include)

if(SWIFT_BUILD_STATIC_STDLIB)
  set(static_binary_lnk_file_list)
  foreach(sdk ${SWIFT_SDKS}) 
    if(NOT "${sdk}" STREQUAL "LINUX" AND
       NOT "${sdk}" STREQUAL "FREEBSD" AND
       NOT "${sdk}" STREQUAL "ANDROID")
      continue()
    endif()

    string(TOLOWER "${sdk}" lowercase_sdk)
    # Generate the static-executable-args.lnk file used for ELF systems (eg linux)
    set(linkfile "${lowercase_sdk}/static-executable-args.lnk")
    add_custom_command_target(swift_static_binary_${sdk}_args
      COMMAND
        "${CMAKE_COMMAND}" -E copy
        "${SWIFT_SOURCE_DIR}/utils/static-executable-args.lnk"
        "${SWIFTSTATICLIB_DIR}/${linkfile}"
      OUTPUT
        "${SWIFTSTATICLIB_DIR}/${linkfile}"
      DEPENDS
        "${SWIFT_SOURCE_DIR}/utils/static-executable-args.lnk")

    list(APPEND static_binary_lnk_file_list ${swift_static_binary_${sdk}_args})
    swift_install_in_component(stdlib
      FILES "${SWIFTSTATICLIB_DIR}/${linkfile}"
      DESTINATION "lib/swift_static/${lowercase_sdk}")
  endforeach()
  add_custom_target(static_binary_magic ALL DEPENDS ${static_binary_lnk_file_list})
endif()

add_swift_library(swiftRuntime OBJECT_LIBRARY TARGET_LIBRARY
  ${swift_runtime_sources}
  ${swift_runtime_objc_sources}
  ${swift_runtime_leaks_sources}
  C_COMPILE_FLAGS ${swift_runtime_library_compile_flags}
  LINK_FLAGS ${swift_runtime_linker_flags}
  INSTALL_IN_COMPONENT never_install)

set(ELFISH_SDKS)
foreach(sdk ${SWIFT_CONFIGURED_SDKS})
  if("${SWIFT_SDK_${sdk}_OBJECT_FORMAT}" STREQUAL "ELF")
    list(APPEND ELFISH_SDKS ${sdk})
  endif()
endforeach()

add_swift_library(swiftImageRegistrationObject
                  OBJECT_LIBRARY IS_STDLIB IS_STDLIB_CORE
                  SwiftRT-ELF.cpp
                  C_COMPILE_FLAGS ${SWIFT_RUNTIME_CORE_CXX_FLAGS}
                  LINK_FLAGS ${SWIFT_RUNTIME_CORE_LINK_FLAGS}
                  TARGET_SDKS ${ELFISH_SDKS}
                  INSTALL_IN_COMPONENT none)

foreach(sdk ${SWIFT_CONFIGURED_SDKS})
  foreach(arch ${SWIFT_SDK_${sdk}_ARCHITECTURES})
    set(arch_subdir "${SWIFT_SDK_${sdk}_LIB_SUBDIR}/${arch}")
    set(arch_suffix "${SWIFT_SDK_${sdk}_LIB_SUBDIR}-${arch}")

    if("${SWIFT_SDK_${sdk}_OBJECT_FORMAT}" STREQUAL "ELF")
      # TODO(compnerd) switch to the generator expression when cmake is upgraded
      # to a version which supports it.
      # set(swiftrtObject "$<TARGET_OBJECTS:swiftImageRegistrationObject-${arch_suffix}>")
      set(swiftrtObject ${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/swiftImageRegistrationObject-${arch_suffix}.dir/SwiftRT-ELF.cpp${CMAKE_C_OUTPUT_EXTENSION})
      set(swiftrtPath "${SWIFTLIB_DIR}/${arch_subdir}/swiftrt${CMAKE_C_OUTPUT_EXTENSION}")

      add_custom_command_target(swiftImageRegistration-${arch_suffix}
                                COMMAND
                                  "${CMAKE_COMMAND}" -E copy "${swiftrtObject}" "${swiftrtPath}"
                                OUTPUT
                                  "${swiftrtPath}"
                                DEPENDS
                                  "${swiftrtObject}")
      swift_install_in_component(stdlib
                                 FILES
                                   "${swiftrtPath}"
                                 DESTINATION
                                   "lib/swift/${arch_subdir}")
      add_dependencies(swift-stdlib-${arch_suffix} ${swiftImageRegistration-${arch_suffix}})

      add_custom_target(swiftImageRegistration-${arch_suffix}
                        ALL DEPENDS
                          ${swiftImageRegistration-${arch_suffix}})
    endif()
  endforeach()
endforeach()