Revert "swift-lang: shuffle the source directory structure (NFC)"

This reverts commit edbe22b63c.

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()

stdlib/tools/swift-lang/CMakeLists.txt

@@ -1,27 +0,0 @@
-if(SWIFT_HOST_VARIANT MATCHES "^iphoneos")
-  set(SWIFT_LANG_TARGET_SDK "IOS")
-elseif(SWIFT_HOST_VARIANT MATCHES "^iphonesimulator")
-  set(SWIFT_LANG_TARGET_SDK "IOS_SIMULATOR")
-elseif(SWIFT_HOST_VARIANT MATCHES "^macosx")
-  set(SWIFT_LANG_TARGET_SDK "OSX")
-else()
-  message(SEND_ERROR "Unknown SDK for SwiftLang")
-endif()
-
-add_swift_target_library(swiftSwiftLang SHARED
-  SwiftLang.swift
-  SourceKitdClient.swift
-  SourceKitdRequest.swift
-  SourceKitdResponse.swift
-  SourceKitdUID.swift
-
-  GYB_SOURCES
-    UIDs.swift.gyb
-
-  SWIFT_MODULE_DEPENDS_OSX Darwin Foundation
-  PRIVATE_LINK_LIBRARIES sourcekitd
-  SWIFT_COMPILE_FLAGS -F${CMAKE_BINARY_DIR}/${CMAKE_CFG_INTDIR}/lib
-  INSTALL_IN_COMPONENT sourcekit-xpc-service
-  DARWIN_INSTALL_NAME_DIR "@rpath"
-  TARGET_SDKS ${SWIFT_LANG_TARGET_SDK}
-  IS_STDLIB)

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()