Revert "Revert "Revert "swift-lang: shuffle the source directory structure (N…"

cmake/modules/AddSwift.cmake

@@ -1293,11 +1293,6 @@ function(_add_swift_target_library_single target name)
       -libc;${SWIFT_STDLIB_MSVC_RUNTIME_LIBRARY})
   endif()
 
-  if(sourcekitd IN_LIST SWIFTLIB_SINGLE_DEPENDS)
-    list(REMOVE_ITEM SWIFTLIB_SINGLE_DEPENDS sourcekitd)
-    set(SWIFTLIB_SINGLE_INJECT_SOURCEKITD_DEPENDENCY TRUE)
-  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(
@@ -1323,10 +1318,6 @@ function(_add_swift_target_library_single target name)
       ${embed_bitcode_arg}
       INSTALL_IN_COMPONENT "${SWIFTLIB_SINGLE_INSTALL_IN_COMPONENT}"
       MACCATALYST_BUILD_FLAVOR "${SWIFTLIB_SINGLE_MACCATALYST_BUILD_FLAVOR}")
-  if(SWIFTLIB_SINGLE_INJECT_SOURCEKITD_DEPENDENCY)
-    add_dependencies(${swift_object_dependency_target}
-      sourcekitd)
-  endif()
   add_swift_source_group("${SWIFTLIB_SINGLE_EXTERNAL_SOURCES}")
 
   # If there were any swift sources, then a .swiftmodule may have been created.

stdlib/tools/CMakeLists.txt

@@ -1,11 +1,3 @@
 if(SWIFT_BUILD_DYNAMIC_STDLIB AND SWIFT_INCLUDE_TESTS)
   add_subdirectory(swift-reflection-test)
 endif()
-if(SWIFT_BUILD_SDK_OVERLAY)
-  include(CheckIncludeFiles)
-  check_include_files("xpc/xpc.h" HAVE_XPC_H)
-
-  if(SWIFT_BUILD_SOURCEKIT AND CMAKE_SYSTEM_NAME STREQUAL Darwin AND HAVE_XPC_H)
-    add_subdirectory(swift-lang)
-  endif()
-endif()

tools/SourceKit/tools/CMakeLists.txt

@@ -10,3 +10,4 @@ if(LibEdit_FOUND AND LibEdit_HAS_UNICODE)
   add_swift_tool_subdirectory(sourcekitd-repl)
 endif()
 add_swift_tool_subdirectory(complete-test)
+add_subdirectory(swift-lang)

tools/SourceKit/tools/swift-lang/CMakeLists.txt

@@ -0,0 +1,31 @@
+if(NOT SWIFT_SOURCEKIT_USE_INPROC_LIBRARY AND SWIFT_BUILD_STDLIB AND SWIFT_BUILD_SDK_OVERLAY)
+  # The build type of swiftlang should agree with stdlib
+  # This setting could avoid us adding additional search paths when building
+  # executables using SwiftLang.
+  set(SWIFT_LANG_LIBRARY_BUILD_TYPES)
+  if(SWIFT_BUILD_DYNAMIC_STDLIB)
+    list(APPEND SWIFT_LANG_LIBRARY_BUILD_TYPES SHARED)
+  endif()
+  if(SWIFT_BUILD_STATIC_STDLIB)
+    list(APPEND SWIFT_LANG_LIBRARY_BUILD_TYPES STATIC)
+  endif()
+
+  add_swift_target_library(swiftSwiftLang ${SWIFT_LANG_LIBRARY_BUILD_TYPES}
+    SwiftLang.swift
+    SourceKitdClient.swift
+    SourceKitdRequest.swift
+    SourceKitdResponse.swift
+    SourceKitdUID.swift
+
+    GYB_SOURCES
+      UIDs.swift.gyb
+
+    DEPENDS sourcekitd-test
+    SWIFT_MODULE_DEPENDS_OSX Darwin Foundation
+    PRIVATE_LINK_LIBRARIES sourcekitd
+    SWIFT_COMPILE_FLAGS -F${SWIFT_LIBRARY_OUTPUT_INTDIR}
+    INSTALL_IN_COMPONENT sourcekit-xpc-service
+    DARWIN_INSTALL_NAME_DIR "@rpath"
+    TARGET_SDKS ${SOURCEKIT_DEFAULT_TARGET_SDK}
+    IS_STDLIB)
+endif()