From 1e52572be38541cc11ac39cef6cded8a640bb65b Mon Sep 17 00:00:00 2001
From: Martin Kroeker <martin@ruby.chemie.uni-freiburg.de>
Date: Wed, 15 May 2019 23:19:30 +0200
Subject: [PATCH] Add option USE_LOCKING for single-threaded build with locking
 support

---
 cmake/system.cmake | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/cmake/system.cmake b/cmake/system.cmake
index d0f560872..adedd32cc 100644
--- a/cmake/system.cmake
+++ b/cmake/system.cmake
@@ -136,6 +136,10 @@ endif ()
 
 if (USE_THREAD)
   message(STATUS "Multi-threading enabled with ${NUM_THREADS} threads.")
+else()
+  if (${USE_LOCKING})
+    set(CCOMMON_OPT "${CCOMMON_OPT} -DUSE_LOCKING")
+  endif ()
 endif ()
 
 include("${PROJECT_SOURCE_DIR}/cmake/prebuild.cmake")