diff --git a/CMakeLists.txt b/CMakeLists.txt
index 77a4c5e957da5422d6f4ba0f4e18c9fe5f8305e7..fd1301abc32e3cbef21362a6d1f025f225166d02 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -227,9 +227,16 @@ if(MSVC)
   endif(ENABLE_BUILD_DYNAMIC OR ENABLE_BUILD_SHARED)
 endif(MSVC)
 
+macro(set_config_option VARNAME STRING)
+  set(${VARNAME} TRUE)
+  list(APPEND CONFIG_OPTIONS ${STRING})
+  message(STATUS "Found " ${STRING})
+endmacro(set_config_option)
+
 if(ENABLE_OPENMP)
   find_package(OpenMP)
   if(OPENMP_FOUND)
+    set_config_option(HAVE_OPENMP "OpenMP")
     set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${OpenMP_C_FLAGS}")
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OpenMP_CXX_FLAGS}")
   endif(OPENMP_FOUND)
@@ -268,12 +275,6 @@ macro(find_all_libraries VARNAME LISTNAME PATH SUFFIX)
   endif(NUM_FOUND_LIBRARIES LESS NUM_LIST)
 endmacro(find_all_libraries)
 
-macro(set_config_option VARNAME STRING)
-  set(${VARNAME} TRUE)
-  list(APPEND CONFIG_OPTIONS ${STRING})
-  message(STATUS "Found " ${STRING})
-endmacro(set_config_option)
-
 macro(set_compile_flags LISTNAME FLAGS)
   foreach(FILE ${${LISTNAME}})
     get_source_file_property(PROP ${FILE} COMPILE_FLAGS)