cmake: a little helper function

for notifying the user about 3rdparty dependencies, which get pulled in
but will not get installed together with PFASST++

Author: torbjoernk

cmake/utility_functions.cmake

@@ -19,3 +19,11 @@ function(add_to_string_list in_string out_string)
 #   message(STATUS "Full string is now: '${in_string}'")
     set(${out_string} ${in_string} PARENT_SCOPE)
 endfunction(add_to_string_list)
+
+macro(msg_not_installed dependency_name)
+    message("!!!!")
+    message("!  ${dependency_name} will not be installed with PFASST++.")
+    message("!  When using PFASST++ with your own code, please make sure to also add")
+    message("!  ${dependency_name} manually to your project.")
+    message("!!!!")
+endmacro(msg_not_installed)