CMake: Print a hint on how to get the help message in the autopilot macro

git-svn-id: https://svn.dealii.org/trunk@29360 0785d39b-7218-0410-832d-ea1e28bc413d

diff --git a/deal.II/cmake/macros/macro_deal_ii_invoke_autopilot.cmake b/deal.II/cmake/macros/macro_deal_ii_invoke_autopilot.cmake
index 8e1cc828b09c4d5d77cf6166b962bd5fa338fe01..e643446317817784650321d1267fa817c7565bbb 100644 (file)
--- a/deal.II/cmake/macros/macro_deal_ii_invoke_autopilot.cmake
+++ b/deal.II/cmake/macros/macro_deal_ii_invoke_autopilot.cmake
@@ -169,6 +169,8 @@ ${_switch_targets}#
     IF(NOT USAGE_PRINTED)
       INCLUDE(${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/print_usage.cmake)
       SET(USAGE_PRINTED TRUE CACHE INTERNAL "")
+    ELSE()
+      MESSAGE(STATUS "Run   $ make help   to print a detailed help message")
     ENDIF()
 
   ENDIF()