diff --git a/MAC/APL/CUDaemons/src/CMakeLists.txt b/MAC/APL/CUDaemons/src/CMakeLists.txt
index b2d30766a478476317adf472e2dc20cf0408131f..a954d031ca836faa34bb43b2bc4170cbc7990899 100644
--- a/MAC/APL/CUDaemons/src/CMakeLists.txt
+++ b/MAC/APL/CUDaemons/src/CMakeLists.txt
@@ -20,6 +20,9 @@
 
 include(LofarPackageVersion)
 
+# Extra preprocessor definitions
+#add_definitions(-DBOOST_DISABLE_THREADS)
+
 # Create symbolic link in binary include directory to current directory.
 execute_process(COMMAND ${CMAKE_COMMAND} -E create_symlink
   ${CMAKE_CURRENT_SOURCE_DIR}
diff --git a/MAC/APL/CURTDBDaemons/src/CMakeLists.txt b/MAC/APL/CURTDBDaemons/src/CMakeLists.txt
index caa60dfb4e7d02c7f5ca51aec942f150e7689540..c55a649d8fa04ccb68b1e03d6f10b40d97b9285b 100644
--- a/MAC/APL/CURTDBDaemons/src/CMakeLists.txt
+++ b/MAC/APL/CURTDBDaemons/src/CMakeLists.txt
@@ -20,6 +20,9 @@
 
 include(LofarPackageVersion)
 
+# Extra preprocessor definitions
+#add_definitions(-DBOOST_DISABLE_THREADS)
+
 # Create symbolic link in binary include directory to current directory.
 execute_process(COMMAND ${CMAKE_COMMAND} -E create_symlink
   ${CMAKE_CURRENT_SOURCE_DIR}
diff --git a/MAC/APL/MainCU/src/CMakeLists.txt b/MAC/APL/MainCU/src/CMakeLists.txt
index 6f126b55819f0976e570192300344c46978d6f27..21702b078b4af3c8365de47ec4b3ac42cb92631b 100644
--- a/MAC/APL/MainCU/src/CMakeLists.txt
+++ b/MAC/APL/MainCU/src/CMakeLists.txt
@@ -20,6 +20,9 @@
 
 include(LofarPackageVersion)
 
+# Extra preprocessor definitions
+#add_definitions(-DBOOST_DISABLE_THREADS)
+
 # Create symbolic link in binary include directory to current directory.
 execute_process(COMMAND ${CMAKE_COMMAND} -E create_symlink
   ${CMAKE_CURRENT_SOURCE_DIR}