From 84908103136f53edf8875df6399451eaaeb6f1d2 Mon Sep 17 00:00:00 2001
From: Gabor Kutas <gabor.kutas@ericsson.com>
Date: Thu, 23 Aug 2018 15:32:46 +0200
Subject: [PATCH] Option to be able to turn off revision include generation.

---
 lib/Basic/CMakeLists.txt | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/Basic/CMakeLists.txt b/lib/Basic/CMakeLists.txt
index d0c9b902f67e..944b58563543 100644
--- a/lib/Basic/CMakeLists.txt
+++ b/lib/Basic/CMakeLists.txt
@@ -11,8 +11,11 @@ find_first_existing_vc_file(clang_vc "${CLANG_SOURCE_DIR}")
 set(version_inc "${CMAKE_CURRENT_BINARY_DIR}/SVNVersion.inc")
 
 set(get_svn_script "${LLVM_CMAKE_PATH}/GetSVN.cmake")
+if(DEFINED NO_REV_GEN)
+	message(STATUS "No revision include generation ${NO_REV_GEN}")
+endif()
 
-if(DEFINED llvm_vc AND DEFINED clang_vc)
+if(NOT DEFINED NO_REV_GEN AND DEFINED llvm_vc AND DEFINED clang_vc)
   # Create custom target to generate the VC revision include.
   add_custom_command(OUTPUT "${version_inc}"
     DEPENDS "${llvm_vc}" "${clang_vc}" "${get_svn_script}"