message: Remove pointless divergences from llvm.org
diff: @@ -66,7 +66,6 @@ ifneq "$(TRIPLE)" ""
  TRIPLE_SWIFTFLAGS :=-target $(TRIPLE)
  ifeq "$(TRIPLE_VENDOR)" "apple"
  ifeq "$(TRIPLE_OS)" "ios"
  - # Provide a reasonable SDKROOT if not specified.
  ifeq "$(SDKROOT)" ""
  # Set SDKROOT if it wasn't set
  ifneq (,$(findstring arm,$(ARCH)))
  @@ -601,13 +600,13 @@ else
  ifneq "$(DYLIB_NAME)" ""
  ifeq "$(DYLIB_ONLY)" ""
  $(EXE) : $(OBJECTS) $(ARCHIVE_NAME) $(DYLIB_FILENAME)
  - $(LD) $^ -L. -l$(DYLIB_NAME) $(LDFLAGS) -o "$(EXE)"
  + $(LD) $(OBJECTS) $(ARCHIVE_NAME) -L. -l$(DYLIB_NAME) $(LDFLAGS) -o "$(EXE)"
  else
  EXE = $(DYLIB_FILENAME)
  endif
  else
  $(EXE) : $(OBJECTS) $(ARCHIVE_NAME)
  - $(LD) $(LDFLAGS) $^ -o "$(EXE)"
  + $(LD) $(OBJECTS) $(LDFLAGS) $(ARCHIVE_NAME) -o "$(EXE)"
  endif
  endif
  #----------------------------------------------------------------------
  @@ -755,9 +754,6 @@ endif
  ifneq "$(DSYM)" ""
  $(RM) -r "$(DSYM)"
  endif
  -ifeq "$(MAKE_GMODULES)" "YES"
  - $(RM) -rf ./clang-module-cache
  -endif
  ifeq "$(OS)" "Windows_NT"
  # http://llvm.org/pr24589
  IF EXIST "$(EXE)" del "$(EXE)"
  