diff --git a/llvm/CMakeLists.txt b/llvm/CMakeLists.txt
--- a/llvm/CMakeLists.txt
+++ b/llvm/CMakeLists.txt
@@ -507,9 +507,6 @@
 endif()
 set(LLVM_LIT_ARGS "${LIT_ARGS_DEFAULT}" CACHE STRING "Default options for lit")
 
-include(GetErrcMessages)
-get_errc_messages(LLVM_LIT_ERRC_MESSAGES)
-
 # On Win32 hosts, provide an option to specify the path to the GnuWin32 tools.
 if( WIN32 AND NOT CYGWIN )
   set(LLVM_LIT_TOOLS_DIR "" CACHE PATH "Path to GnuWin32 tools")
@@ -976,6 +973,10 @@
       NO_INSTALL
       ALWAYS_CLEAN)
   endif()
+
+  include(GetErrcMessages)
+  get_errc_messages(LLVM_LIT_ERRC_MESSAGES)
+
   add_subdirectory(utils/lit)
   add_subdirectory(test)
   add_subdirectory(unittests)
diff --git a/llvm/cmake/modules/GetErrcMessages.cmake b/llvm/cmake/modules/GetErrcMessages.cmake
--- a/llvm/cmake/modules/GetErrcMessages.cmake
+++ b/llvm/cmake/modules/GetErrcMessages.cmake
@@ -4,7 +4,6 @@
 # Messages are semi colon separated.
 # Keep amount, order and tested error codes in sync with llvm/utils/lit/lit/llvm/config.py.
 function(get_errc_messages outvar)
-
     set(errc_test_code ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/getErrc.cpp)
 
     file(WRITE ${errc_test_code} "